/*
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
// Generated by the protocol buffer compiler.  DO NOT EDIT!
// source: google/cloud/recommendationengine/v1beta1/user_event.proto

package com.google.cloud.recommendationengine.v1beta1;

/**
 *
 *
 * <pre>
 * UserEvent captures all metadata information recommendation engine needs to
 * know about how end users interact with customers' website.
 * </pre>
 *
 * Protobuf type {@code google.cloud.recommendationengine.v1beta1.UserEvent}
 */
public final class UserEvent extends com.google.protobuf.GeneratedMessageV3
    implements
    // @@protoc_insertion_point(message_implements:google.cloud.recommendationengine.v1beta1.UserEvent)
    UserEventOrBuilder {
  private static final long serialVersionUID = 0L;
  // Use UserEvent.newBuilder() to construct.
  private UserEvent(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
    super(builder);
  }

  private UserEvent() {
    eventType_ = "";
    eventSource_ = 0;
  }

  @java.lang.Override
  @SuppressWarnings({"unused"})
  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
    return new UserEvent();
  }

  @java.lang.Override
  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
    return this.unknownFields;
  }

  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    return com.google.cloud.recommendationengine.v1beta1.UserEventOuterClass
        .internal_static_google_cloud_recommendationengine_v1beta1_UserEvent_descriptor;
  }

  @java.lang.Override
  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
      internalGetFieldAccessorTable() {
    return com.google.cloud.recommendationengine.v1beta1.UserEventOuterClass
        .internal_static_google_cloud_recommendationengine_v1beta1_UserEvent_fieldAccessorTable
        .ensureFieldAccessorsInitialized(
            com.google.cloud.recommendationengine.v1beta1.UserEvent.class,
            com.google.cloud.recommendationengine.v1beta1.UserEvent.Builder.class);
  }

  /**
   *
   *
   * <pre>
   * User event source.
   * </pre>
   *
   * Protobuf enum {@code google.cloud.recommendationengine.v1beta1.UserEvent.EventSource}
   */
  public enum EventSource implements com.google.protobuf.ProtocolMessageEnum {
    /**
     *
     *
     * <pre>
     * Unspecified event source.
     * </pre>
     *
     * <code>EVENT_SOURCE_UNSPECIFIED = 0;</code>
     */
    EVENT_SOURCE_UNSPECIFIED(0),
    /**
     *
     *
     * <pre>
     * The event is ingested via a javascript pixel or Recommendations AI Tag
     * through automl datalayer or JS Macros.
     * </pre>
     *
     * <code>AUTOML = 1;</code>
     */
    AUTOML(1),
    /**
     *
     *
     * <pre>
     * The event is ingested via Recommendations AI Tag through Enhanced
     * Ecommerce datalayer.
     * </pre>
     *
     * <code>ECOMMERCE = 2;</code>
     */
    ECOMMERCE(2),
    /**
     *
     *
     * <pre>
     * The event is ingested via Import user events API.
     * </pre>
     *
     * <code>BATCH_UPLOAD = 3;</code>
     */
    BATCH_UPLOAD(3),
    UNRECOGNIZED(-1),
    ;

    /**
     *
     *
     * <pre>
     * Unspecified event source.
     * </pre>
     *
     * <code>EVENT_SOURCE_UNSPECIFIED = 0;</code>
     */
    public static final int EVENT_SOURCE_UNSPECIFIED_VALUE = 0;
    /**
     *
     *
     * <pre>
     * The event is ingested via a javascript pixel or Recommendations AI Tag
     * through automl datalayer or JS Macros.
     * </pre>
     *
     * <code>AUTOML = 1;</code>
     */
    public static final int AUTOML_VALUE = 1;
    /**
     *
     *
     * <pre>
     * The event is ingested via Recommendations AI Tag through Enhanced
     * Ecommerce datalayer.
     * </pre>
     *
     * <code>ECOMMERCE = 2;</code>
     */
    public static final int ECOMMERCE_VALUE = 2;
    /**
     *
     *
     * <pre>
     * The event is ingested via Import user events API.
     * </pre>
     *
     * <code>BATCH_UPLOAD = 3;</code>
     */
    public static final int BATCH_UPLOAD_VALUE = 3;

    public final int getNumber() {
      if (this == UNRECOGNIZED) {
        throw new java.lang.IllegalArgumentException(
            "Can't get the number of an unknown enum value.");
      }
      return value;
    }

    /**
     * @param value The numeric wire value of the corresponding enum entry.
     * @return The enum associated with the given numeric wire value.
     * @deprecated Use {@link #forNumber(int)} instead.
     */
    @java.lang.Deprecated
    public static EventSource valueOf(int value) {
      return forNumber(value);
    }

    /**
     * @param value The numeric wire value of the corresponding enum entry.
     * @return The enum associated with the given numeric wire value.
     */
    public static EventSource forNumber(int value) {
      switch (value) {
        case 0:
          return EVENT_SOURCE_UNSPECIFIED;
        case 1:
          return AUTOML;
        case 2:
          return ECOMMERCE;
        case 3:
          return BATCH_UPLOAD;
        default:
          return null;
      }
    }

    public static com.google.protobuf.Internal.EnumLiteMap<EventSource> internalGetValueMap() {
      return internalValueMap;
    }

    private static final com.google.protobuf.Internal.EnumLiteMap<EventSource> internalValueMap =
        new com.google.protobuf.Internal.EnumLiteMap<EventSource>() {
          public EventSource findValueByNumber(int number) {
            return EventSource.forNumber(number);
          }
        };

    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
      if (this == UNRECOGNIZED) {
        throw new java.lang.IllegalStateException(
            "Can't get the descriptor of an unrecognized enum value.");
      }
      return getDescriptor().getValues().get(ordinal());
    }

    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
      return getDescriptor();
    }

    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
      return com.google.cloud.recommendationengine.v1beta1.UserEvent.getDescriptor()
          .getEnumTypes()
          .get(0);
    }

    private static final EventSource[] VALUES = values();

    public static EventSource valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
      if (desc.getType() != getDescriptor()) {
        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
      }
      if (desc.getIndex() == -1) {
        return UNRECOGNIZED;
      }
      return VALUES[desc.getIndex()];
    }

    private final int value;

    private EventSource(int value) {
      this.value = value;
    }

    // @@protoc_insertion_point(enum_scope:google.cloud.recommendationengine.v1beta1.UserEvent.EventSource)
  }

  public static final int EVENT_TYPE_FIELD_NUMBER = 1;

  @SuppressWarnings("serial")
  private volatile java.lang.Object eventType_ = "";
  /**
   *
   *
   * <pre>
   * Required. User event type. Allowed values are:
   * * `add-to-cart` Products being added to cart.
   * * `add-to-list` Items being added to a list (shopping list, favorites
   *   etc).
   * * `category-page-view` Special pages such as sale or promotion pages
   *   viewed.
   * * `checkout-start` User starting a checkout process.
   * * `detail-page-view` Products detail page viewed.
   * * `home-page-view` Homepage viewed.
   * * `page-visit` Generic page visits not included in the event types above.
   * * `purchase-complete` User finishing a purchase.
   * * `refund` Purchased items being refunded or returned.
   * * `remove-from-cart` Products being removed from cart.
   * * `remove-from-list` Items being removed from a list.
   * * `search` Product search.
   * * `shopping-cart-page-view` User viewing a shopping cart.
   * * `impression` List of items displayed. Used by Google Tag Manager.
   * </pre>
   *
   * <code>string event_type = 1 [(.google.api.field_behavior) = REQUIRED];</code>
   *
   * @return The eventType.
   */
  @java.lang.Override
  public java.lang.String getEventType() {
    java.lang.Object ref = eventType_;
    if (ref instanceof java.lang.String) {
      return (java.lang.String) ref;
    } else {
      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
      java.lang.String s = bs.toStringUtf8();
      eventType_ = s;
      return s;
    }
  }
  /**
   *
   *
   * <pre>
   * Required. User event type. Allowed values are:
   * * `add-to-cart` Products being added to cart.
   * * `add-to-list` Items being added to a list (shopping list, favorites
   *   etc).
   * * `category-page-view` Special pages such as sale or promotion pages
   *   viewed.
   * * `checkout-start` User starting a checkout process.
   * * `detail-page-view` Products detail page viewed.
   * * `home-page-view` Homepage viewed.
   * * `page-visit` Generic page visits not included in the event types above.
   * * `purchase-complete` User finishing a purchase.
   * * `refund` Purchased items being refunded or returned.
   * * `remove-from-cart` Products being removed from cart.
   * * `remove-from-list` Items being removed from a list.
   * * `search` Product search.
   * * `shopping-cart-page-view` User viewing a shopping cart.
   * * `impression` List of items displayed. Used by Google Tag Manager.
   * </pre>
   *
   * <code>string event_type = 1 [(.google.api.field_behavior) = REQUIRED];</code>
   *
   * @return The bytes for eventType.
   */
  @java.lang.Override
  public com.google.protobuf.ByteString getEventTypeBytes() {
    java.lang.Object ref = eventType_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      eventType_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }

  public static final int USER_INFO_FIELD_NUMBER = 2;
  private com.google.cloud.recommendationengine.v1beta1.UserInfo userInfo_;
  /**
   *
   *
   * <pre>
   * Required. User information.
   * </pre>
   *
   * <code>
   * .google.cloud.recommendationengine.v1beta1.UserInfo user_info = 2 [(.google.api.field_behavior) = REQUIRED];
   * </code>
   *
   * @return Whether the userInfo field is set.
   */
  @java.lang.Override
  public boolean hasUserInfo() {
    return userInfo_ != null;
  }
  /**
   *
   *
   * <pre>
   * Required. User information.
   * </pre>
   *
   * <code>
   * .google.cloud.recommendationengine.v1beta1.UserInfo user_info = 2 [(.google.api.field_behavior) = REQUIRED];
   * </code>
   *
   * @return The userInfo.
   */
  @java.lang.Override
  public com.google.cloud.recommendationengine.v1beta1.UserInfo getUserInfo() {
    return userInfo_ == null
        ? com.google.cloud.recommendationengine.v1beta1.UserInfo.getDefaultInstance()
        : userInfo_;
  }
  /**
   *
   *
   * <pre>
   * Required. User information.
   * </pre>
   *
   * <code>
   * .google.cloud.recommendationengine.v1beta1.UserInfo user_info = 2 [(.google.api.field_behavior) = REQUIRED];
   * </code>
   */
  @java.lang.Override
  public com.google.cloud.recommendationengine.v1beta1.UserInfoOrBuilder getUserInfoOrBuilder() {
    return userInfo_ == null
        ? com.google.cloud.recommendationengine.v1beta1.UserInfo.getDefaultInstance()
        : userInfo_;
  }

  public static final int EVENT_DETAIL_FIELD_NUMBER = 3;
  private com.google.cloud.recommendationengine.v1beta1.EventDetail eventDetail_;
  /**
   *
   *
   * <pre>
   * Optional. User event detailed information common across different
   * recommendation types.
   * </pre>
   *
   * <code>
   * .google.cloud.recommendationengine.v1beta1.EventDetail event_detail = 3 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   *
   * @return Whether the eventDetail field is set.
   */
  @java.lang.Override
  public boolean hasEventDetail() {
    return eventDetail_ != null;
  }
  /**
   *
   *
   * <pre>
   * Optional. User event detailed information common across different
   * recommendation types.
   * </pre>
   *
   * <code>
   * .google.cloud.recommendationengine.v1beta1.EventDetail event_detail = 3 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   *
   * @return The eventDetail.
   */
  @java.lang.Override
  public com.google.cloud.recommendationengine.v1beta1.EventDetail getEventDetail() {
    return eventDetail_ == null
        ? com.google.cloud.recommendationengine.v1beta1.EventDetail.getDefaultInstance()
        : eventDetail_;
  }
  /**
   *
   *
   * <pre>
   * Optional. User event detailed information common across different
   * recommendation types.
   * </pre>
   *
   * <code>
   * .google.cloud.recommendationengine.v1beta1.EventDetail event_detail = 3 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   */
  @java.lang.Override
  public com.google.cloud.recommendationengine.v1beta1.EventDetailOrBuilder
      getEventDetailOrBuilder() {
    return eventDetail_ == null
        ? com.google.cloud.recommendationengine.v1beta1.EventDetail.getDefaultInstance()
        : eventDetail_;
  }

  public static final int PRODUCT_EVENT_DETAIL_FIELD_NUMBER = 4;
  private com.google.cloud.recommendationengine.v1beta1.ProductEventDetail productEventDetail_;
  /**
   *
   *
   * <pre>
   * Optional. Retail product specific user event metadata.
   * This field is required for the following event types:
   * * `add-to-cart`
   * * `add-to-list`
   * * `category-page-view`
   * * `checkout-start`
   * * `detail-page-view`
   * * `purchase-complete`
   * * `refund`
   * * `remove-from-cart`
   * * `remove-from-list`
   * * `search`
   * This field is optional for the following event types:
   * * `page-visit`
   * * `shopping-cart-page-view` - note that 'product_event_detail' should be
   *   set for this unless the shopping cart is empty.
   * This field is not allowed for the following event types:
   * * `home-page-view`
   * </pre>
   *
   * <code>
   * .google.cloud.recommendationengine.v1beta1.ProductEventDetail product_event_detail = 4 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   *
   * @return Whether the productEventDetail field is set.
   */
  @java.lang.Override
  public boolean hasProductEventDetail() {
    return productEventDetail_ != null;
  }
  /**
   *
   *
   * <pre>
   * Optional. Retail product specific user event metadata.
   * This field is required for the following event types:
   * * `add-to-cart`
   * * `add-to-list`
   * * `category-page-view`
   * * `checkout-start`
   * * `detail-page-view`
   * * `purchase-complete`
   * * `refund`
   * * `remove-from-cart`
   * * `remove-from-list`
   * * `search`
   * This field is optional for the following event types:
   * * `page-visit`
   * * `shopping-cart-page-view` - note that 'product_event_detail' should be
   *   set for this unless the shopping cart is empty.
   * This field is not allowed for the following event types:
   * * `home-page-view`
   * </pre>
   *
   * <code>
   * .google.cloud.recommendationengine.v1beta1.ProductEventDetail product_event_detail = 4 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   *
   * @return The productEventDetail.
   */
  @java.lang.Override
  public com.google.cloud.recommendationengine.v1beta1.ProductEventDetail getProductEventDetail() {
    return productEventDetail_ == null
        ? com.google.cloud.recommendationengine.v1beta1.ProductEventDetail.getDefaultInstance()
        : productEventDetail_;
  }
  /**
   *
   *
   * <pre>
   * Optional. Retail product specific user event metadata.
   * This field is required for the following event types:
   * * `add-to-cart`
   * * `add-to-list`
   * * `category-page-view`
   * * `checkout-start`
   * * `detail-page-view`
   * * `purchase-complete`
   * * `refund`
   * * `remove-from-cart`
   * * `remove-from-list`
   * * `search`
   * This field is optional for the following event types:
   * * `page-visit`
   * * `shopping-cart-page-view` - note that 'product_event_detail' should be
   *   set for this unless the shopping cart is empty.
   * This field is not allowed for the following event types:
   * * `home-page-view`
   * </pre>
   *
   * <code>
   * .google.cloud.recommendationengine.v1beta1.ProductEventDetail product_event_detail = 4 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   */
  @java.lang.Override
  public com.google.cloud.recommendationengine.v1beta1.ProductEventDetailOrBuilder
      getProductEventDetailOrBuilder() {
    return productEventDetail_ == null
        ? com.google.cloud.recommendationengine.v1beta1.ProductEventDetail.getDefaultInstance()
        : productEventDetail_;
  }

  public static final int EVENT_TIME_FIELD_NUMBER = 5;
  private com.google.protobuf.Timestamp eventTime_;
  /**
   *
   *
   * <pre>
   * Optional. Only required for ImportUserEvents method. Timestamp of user
   * event created.
   * </pre>
   *
   * <code>.google.protobuf.Timestamp event_time = 5 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   *
   * @return Whether the eventTime field is set.
   */
  @java.lang.Override
  public boolean hasEventTime() {
    return eventTime_ != null;
  }
  /**
   *
   *
   * <pre>
   * Optional. Only required for ImportUserEvents method. Timestamp of user
   * event created.
   * </pre>
   *
   * <code>.google.protobuf.Timestamp event_time = 5 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   *
   * @return The eventTime.
   */
  @java.lang.Override
  public com.google.protobuf.Timestamp getEventTime() {
    return eventTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : eventTime_;
  }
  /**
   *
   *
   * <pre>
   * Optional. Only required for ImportUserEvents method. Timestamp of user
   * event created.
   * </pre>
   *
   * <code>.google.protobuf.Timestamp event_time = 5 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   */
  @java.lang.Override
  public com.google.protobuf.TimestampOrBuilder getEventTimeOrBuilder() {
    return eventTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : eventTime_;
  }

  public static final int EVENT_SOURCE_FIELD_NUMBER = 6;
  private int eventSource_ = 0;
  /**
   *
   *
   * <pre>
   * Optional. This field should *not* be set when using JavaScript pixel
   * or the Recommendations AI Tag. Defaults to `EVENT_SOURCE_UNSPECIFIED`.
   * </pre>
   *
   * <code>
   * .google.cloud.recommendationengine.v1beta1.UserEvent.EventSource event_source = 6 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   *
   * @return The enum numeric value on the wire for eventSource.
   */
  @java.lang.Override
  public int getEventSourceValue() {
    return eventSource_;
  }
  /**
   *
   *
   * <pre>
   * Optional. This field should *not* be set when using JavaScript pixel
   * or the Recommendations AI Tag. Defaults to `EVENT_SOURCE_UNSPECIFIED`.
   * </pre>
   *
   * <code>
   * .google.cloud.recommendationengine.v1beta1.UserEvent.EventSource event_source = 6 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   *
   * @return The eventSource.
   */
  @java.lang.Override
  public com.google.cloud.recommendationengine.v1beta1.UserEvent.EventSource getEventSource() {
    com.google.cloud.recommendationengine.v1beta1.UserEvent.EventSource result =
        com.google.cloud.recommendationengine.v1beta1.UserEvent.EventSource.forNumber(eventSource_);
    return result == null
        ? com.google.cloud.recommendationengine.v1beta1.UserEvent.EventSource.UNRECOGNIZED
        : result;
  }

  private byte memoizedIsInitialized = -1;

  @java.lang.Override
  public final boolean isInitialized() {
    byte isInitialized = memoizedIsInitialized;
    if (isInitialized == 1) return true;
    if (isInitialized == 0) return false;

    memoizedIsInitialized = 1;
    return true;
  }

  @java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(eventType_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, eventType_);
    }
    if (userInfo_ != null) {
      output.writeMessage(2, getUserInfo());
    }
    if (eventDetail_ != null) {
      output.writeMessage(3, getEventDetail());
    }
    if (productEventDetail_ != null) {
      output.writeMessage(4, getProductEventDetail());
    }
    if (eventTime_ != null) {
      output.writeMessage(5, getEventTime());
    }
    if (eventSource_
        != com.google.cloud.recommendationengine.v1beta1.UserEvent.EventSource
            .EVENT_SOURCE_UNSPECIFIED
            .getNumber()) {
      output.writeEnum(6, eventSource_);
    }
    getUnknownFields().writeTo(output);
  }

  @java.lang.Override
  public int getSerializedSize() {
    int size = memoizedSize;
    if (size != -1) return size;

    size = 0;
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(eventType_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, eventType_);
    }
    if (userInfo_ != null) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getUserInfo());
    }
    if (eventDetail_ != null) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, getEventDetail());
    }
    if (productEventDetail_ != null) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, getProductEventDetail());
    }
    if (eventTime_ != null) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(5, getEventTime());
    }
    if (eventSource_
        != com.google.cloud.recommendationengine.v1beta1.UserEvent.EventSource
            .EVENT_SOURCE_UNSPECIFIED
            .getNumber()) {
      size += com.google.protobuf.CodedOutputStream.computeEnumSize(6, eventSource_);
    }
    size += getUnknownFields().getSerializedSize();
    memoizedSize = size;
    return size;
  }

  @java.lang.Override
  public boolean equals(final java.lang.Object obj) {
    if (obj == this) {
      return true;
    }
    if (!(obj instanceof com.google.cloud.recommendationengine.v1beta1.UserEvent)) {
      return super.equals(obj);
    }
    com.google.cloud.recommendationengine.v1beta1.UserEvent other =
        (com.google.cloud.recommendationengine.v1beta1.UserEvent) obj;

    if (!getEventType().equals(other.getEventType())) return false;
    if (hasUserInfo() != other.hasUserInfo()) return false;
    if (hasUserInfo()) {
      if (!getUserInfo().equals(other.getUserInfo())) return false;
    }
    if (hasEventDetail() != other.hasEventDetail()) return false;
    if (hasEventDetail()) {
      if (!getEventDetail().equals(other.getEventDetail())) return false;
    }
    if (hasProductEventDetail() != other.hasProductEventDetail()) return false;
    if (hasProductEventDetail()) {
      if (!getProductEventDetail().equals(other.getProductEventDetail())) return false;
    }
    if (hasEventTime() != other.hasEventTime()) return false;
    if (hasEventTime()) {
      if (!getEventTime().equals(other.getEventTime())) return false;
    }
    if (eventSource_ != other.eventSource_) return false;
    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
    return true;
  }

  @java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
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    hash = (37 * hash) + EVENT_SOURCE_FIELD_NUMBER;
    hash = (53 * hash) + eventSource_;
    hash = (29 * hash) + getUnknownFields().hashCode();
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  @java.lang.Override
  public Builder newBuilderForType() {
    return newBuilder();
  }

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  }

  public static Builder newBuilder(
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    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
  }

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  public Builder toBuilder() {
    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
  }

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  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
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    return builder;
  }
  /**
   *
   *
   * <pre>
   * UserEvent captures all metadata information recommendation engine needs to
   * know about how end users interact with customers' website.
   * </pre>
   *
   * Protobuf type {@code google.cloud.recommendationengine.v1beta1.UserEvent}
   */
  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
      implements
      // @@protoc_insertion_point(builder_implements:google.cloud.recommendationengine.v1beta1.UserEvent)
      com.google.cloud.recommendationengine.v1beta1.UserEventOrBuilder {
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      eventDetail_ = null;
      if (eventDetailBuilder_ != null) {
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        eventDetailBuilder_ = null;
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      productEventDetail_ = null;
      if (productEventDetailBuilder_ != null) {
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      eventTime_ = null;
      if (eventTimeBuilder_ != null) {
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      eventSource_ = 0;
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    @java.lang.Override
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    }

    @java.lang.Override
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    @java.lang.Override
    public com.google.cloud.recommendationengine.v1beta1.UserEvent build() {
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      if (!result.isInitialized()) {
        throw newUninitializedMessageException(result);
      }
      return result;
    }

    @java.lang.Override
    public com.google.cloud.recommendationengine.v1beta1.UserEvent buildPartial() {
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      if (bitField0_ != 0) {
        buildPartial0(result);
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      onBuilt();
      return result;
    }

    private void buildPartial0(com.google.cloud.recommendationengine.v1beta1.UserEvent result) {
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    @java.lang.Override
    public Builder setField(
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      return super.setRepeatedField(field, index, value);
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    @java.lang.Override
    public Builder addRepeatedField(
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      }
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    public Builder mergeFrom(com.google.cloud.recommendationengine.v1beta1.UserEvent other) {
      if (other == com.google.cloud.recommendationengine.v1beta1.UserEvent.getDefaultInstance())
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      if (!other.getEventType().isEmpty()) {
        eventType_ = other.eventType_;
        bitField0_ |= 0x00000001;
        onChanged();
      }
      if (other.hasUserInfo()) {
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      if (other.hasProductEventDetail()) {
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      if (other.eventSource_ != 0) {
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      onChanged();
      return this;
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    public final boolean isInitialized() {
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    @java.lang.Override
    public Builder mergeFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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      if (extensionRegistry == null) {
        throw new java.lang.NullPointerException();
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      try {
        boolean done = false;
        while (!done) {
          int tag = input.readTag();
          switch (tag) {
            case 0:
              done = true;
              break;
            case 10:
              {
                eventType_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000001;
                break;
              } // case 10
            case 18:
              {
                input.readMessage(getUserInfoFieldBuilder().getBuilder(), extensionRegistry);
                bitField0_ |= 0x00000002;
                break;
              } // case 18
            case 26:
              {
                input.readMessage(getEventDetailFieldBuilder().getBuilder(), extensionRegistry);
                bitField0_ |= 0x00000004;
                break;
              } // case 26
            case 34:
              {
                input.readMessage(
                    getProductEventDetailFieldBuilder().getBuilder(), extensionRegistry);
                bitField0_ |= 0x00000008;
                break;
              } // case 34
            case 42:
              {
                input.readMessage(getEventTimeFieldBuilder().getBuilder(), extensionRegistry);
                bitField0_ |= 0x00000010;
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            case 48:
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        throw e.unwrapIOException();
      } finally {
        onChanged();
      } // finally
      return this;
    }

    private int bitField0_;

    private java.lang.Object eventType_ = "";
    /**
     *
     *
     * <pre>
     * Required. User event type. Allowed values are:
     * * `add-to-cart` Products being added to cart.
     * * `add-to-list` Items being added to a list (shopping list, favorites
     *   etc).
     * * `category-page-view` Special pages such as sale or promotion pages
     *   viewed.
     * * `checkout-start` User starting a checkout process.
     * * `detail-page-view` Products detail page viewed.
     * * `home-page-view` Homepage viewed.
     * * `page-visit` Generic page visits not included in the event types above.
     * * `purchase-complete` User finishing a purchase.
     * * `refund` Purchased items being refunded or returned.
     * * `remove-from-cart` Products being removed from cart.
     * * `remove-from-list` Items being removed from a list.
     * * `search` Product search.
     * * `shopping-cart-page-view` User viewing a shopping cart.
     * * `impression` List of items displayed. Used by Google Tag Manager.
     * </pre>
     *
     * <code>string event_type = 1 [(.google.api.field_behavior) = REQUIRED];</code>
     *
     * @return The eventType.
     */
    public java.lang.String getEventType() {
      java.lang.Object ref = eventType_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        eventType_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * Required. User event type. Allowed values are:
     * * `add-to-cart` Products being added to cart.
     * * `add-to-list` Items being added to a list (shopping list, favorites
     *   etc).
     * * `category-page-view` Special pages such as sale or promotion pages
     *   viewed.
     * * `checkout-start` User starting a checkout process.
     * * `detail-page-view` Products detail page viewed.
     * * `home-page-view` Homepage viewed.
     * * `page-visit` Generic page visits not included in the event types above.
     * * `purchase-complete` User finishing a purchase.
     * * `refund` Purchased items being refunded or returned.
     * * `remove-from-cart` Products being removed from cart.
     * * `remove-from-list` Items being removed from a list.
     * * `search` Product search.
     * * `shopping-cart-page-view` User viewing a shopping cart.
     * * `impression` List of items displayed. Used by Google Tag Manager.
     * </pre>
     *
     * <code>string event_type = 1 [(.google.api.field_behavior) = REQUIRED];</code>
     *
     * @return The bytes for eventType.
     */
    public com.google.protobuf.ByteString getEventTypeBytes() {
      java.lang.Object ref = eventType_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        eventType_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * Required. User event type. Allowed values are:
     * * `add-to-cart` Products being added to cart.
     * * `add-to-list` Items being added to a list (shopping list, favorites
     *   etc).
     * * `category-page-view` Special pages such as sale or promotion pages
     *   viewed.
     * * `checkout-start` User starting a checkout process.
     * * `detail-page-view` Products detail page viewed.
     * * `home-page-view` Homepage viewed.
     * * `page-visit` Generic page visits not included in the event types above.
     * * `purchase-complete` User finishing a purchase.
     * * `refund` Purchased items being refunded or returned.
     * * `remove-from-cart` Products being removed from cart.
     * * `remove-from-list` Items being removed from a list.
     * * `search` Product search.
     * * `shopping-cart-page-view` User viewing a shopping cart.
     * * `impression` List of items displayed. Used by Google Tag Manager.
     * </pre>
     *
     * <code>string event_type = 1 [(.google.api.field_behavior) = REQUIRED];</code>
     *
     * @param value The eventType to set.
     * @return This builder for chaining.
     */
    public Builder setEventType(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      eventType_ = value;
      bitField0_ |= 0x00000001;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Required. User event type. Allowed values are:
     * * `add-to-cart` Products being added to cart.
     * * `add-to-list` Items being added to a list (shopping list, favorites
     *   etc).
     * * `category-page-view` Special pages such as sale or promotion pages
     *   viewed.
     * * `checkout-start` User starting a checkout process.
     * * `detail-page-view` Products detail page viewed.
     * * `home-page-view` Homepage viewed.
     * * `page-visit` Generic page visits not included in the event types above.
     * * `purchase-complete` User finishing a purchase.
     * * `refund` Purchased items being refunded or returned.
     * * `remove-from-cart` Products being removed from cart.
     * * `remove-from-list` Items being removed from a list.
     * * `search` Product search.
     * * `shopping-cart-page-view` User viewing a shopping cart.
     * * `impression` List of items displayed. Used by Google Tag Manager.
     * </pre>
     *
     * <code>string event_type = 1 [(.google.api.field_behavior) = REQUIRED];</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearEventType() {
      eventType_ = getDefaultInstance().getEventType();
      bitField0_ = (bitField0_ & ~0x00000001);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Required. User event type. Allowed values are:
     * * `add-to-cart` Products being added to cart.
     * * `add-to-list` Items being added to a list (shopping list, favorites
     *   etc).
     * * `category-page-view` Special pages such as sale or promotion pages
     *   viewed.
     * * `checkout-start` User starting a checkout process.
     * * `detail-page-view` Products detail page viewed.
     * * `home-page-view` Homepage viewed.
     * * `page-visit` Generic page visits not included in the event types above.
     * * `purchase-complete` User finishing a purchase.
     * * `refund` Purchased items being refunded or returned.
     * * `remove-from-cart` Products being removed from cart.
     * * `remove-from-list` Items being removed from a list.
     * * `search` Product search.
     * * `shopping-cart-page-view` User viewing a shopping cart.
     * * `impression` List of items displayed. Used by Google Tag Manager.
     * </pre>
     *
     * <code>string event_type = 1 [(.google.api.field_behavior) = REQUIRED];</code>
     *
     * @param value The bytes for eventType to set.
     * @return This builder for chaining.
     */
    public Builder setEventTypeBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      eventType_ = value;
      bitField0_ |= 0x00000001;
      onChanged();
      return this;
    }

    private com.google.cloud.recommendationengine.v1beta1.UserInfo userInfo_;
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.recommendationengine.v1beta1.UserInfo,
            com.google.cloud.recommendationengine.v1beta1.UserInfo.Builder,
            com.google.cloud.recommendationengine.v1beta1.UserInfoOrBuilder>
        userInfoBuilder_;
    /**
     *
     *
     * <pre>
     * Required. User information.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.UserInfo user_info = 2 [(.google.api.field_behavior) = REQUIRED];
     * </code>
     *
     * @return Whether the userInfo field is set.
     */
    public boolean hasUserInfo() {
      return ((bitField0_ & 0x00000002) != 0);
    }
    /**
     *
     *
     * <pre>
     * Required. User information.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.UserInfo user_info = 2 [(.google.api.field_behavior) = REQUIRED];
     * </code>
     *
     * @return The userInfo.
     */
    public com.google.cloud.recommendationengine.v1beta1.UserInfo getUserInfo() {
      if (userInfoBuilder_ == null) {
        return userInfo_ == null
            ? com.google.cloud.recommendationengine.v1beta1.UserInfo.getDefaultInstance()
            : userInfo_;
      } else {
        return userInfoBuilder_.getMessage();
      }
    }
    /**
     *
     *
     * <pre>
     * Required. User information.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.UserInfo user_info = 2 [(.google.api.field_behavior) = REQUIRED];
     * </code>
     */
    public Builder setUserInfo(com.google.cloud.recommendationengine.v1beta1.UserInfo value) {
      if (userInfoBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        userInfo_ = value;
      } else {
        userInfoBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000002;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Required. User information.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.UserInfo user_info = 2 [(.google.api.field_behavior) = REQUIRED];
     * </code>
     */
    public Builder setUserInfo(
        com.google.cloud.recommendationengine.v1beta1.UserInfo.Builder builderForValue) {
      if (userInfoBuilder_ == null) {
        userInfo_ = builderForValue.build();
      } else {
        userInfoBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00000002;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Required. User information.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.UserInfo user_info = 2 [(.google.api.field_behavior) = REQUIRED];
     * </code>
     */
    public Builder mergeUserInfo(com.google.cloud.recommendationengine.v1beta1.UserInfo value) {
      if (userInfoBuilder_ == null) {
        if (((bitField0_ & 0x00000002) != 0)
            && userInfo_ != null
            && userInfo_
                != com.google.cloud.recommendationengine.v1beta1.UserInfo.getDefaultInstance()) {
          getUserInfoBuilder().mergeFrom(value);
        } else {
          userInfo_ = value;
        }
      } else {
        userInfoBuilder_.mergeFrom(value);
      }
      bitField0_ |= 0x00000002;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Required. User information.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.UserInfo user_info = 2 [(.google.api.field_behavior) = REQUIRED];
     * </code>
     */
    public Builder clearUserInfo() {
      bitField0_ = (bitField0_ & ~0x00000002);
      userInfo_ = null;
      if (userInfoBuilder_ != null) {
        userInfoBuilder_.dispose();
        userInfoBuilder_ = null;
      }
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Required. User information.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.UserInfo user_info = 2 [(.google.api.field_behavior) = REQUIRED];
     * </code>
     */
    public com.google.cloud.recommendationengine.v1beta1.UserInfo.Builder getUserInfoBuilder() {
      bitField0_ |= 0x00000002;
      onChanged();
      return getUserInfoFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * Required. User information.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.UserInfo user_info = 2 [(.google.api.field_behavior) = REQUIRED];
     * </code>
     */
    public com.google.cloud.recommendationengine.v1beta1.UserInfoOrBuilder getUserInfoOrBuilder() {
      if (userInfoBuilder_ != null) {
        return userInfoBuilder_.getMessageOrBuilder();
      } else {
        return userInfo_ == null
            ? com.google.cloud.recommendationengine.v1beta1.UserInfo.getDefaultInstance()
            : userInfo_;
      }
    }
    /**
     *
     *
     * <pre>
     * Required. User information.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.UserInfo user_info = 2 [(.google.api.field_behavior) = REQUIRED];
     * </code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.recommendationengine.v1beta1.UserInfo,
            com.google.cloud.recommendationengine.v1beta1.UserInfo.Builder,
            com.google.cloud.recommendationengine.v1beta1.UserInfoOrBuilder>
        getUserInfoFieldBuilder() {
      if (userInfoBuilder_ == null) {
        userInfoBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.recommendationengine.v1beta1.UserInfo,
                com.google.cloud.recommendationengine.v1beta1.UserInfo.Builder,
                com.google.cloud.recommendationengine.v1beta1.UserInfoOrBuilder>(
                getUserInfo(), getParentForChildren(), isClean());
        userInfo_ = null;
      }
      return userInfoBuilder_;
    }

    private com.google.cloud.recommendationengine.v1beta1.EventDetail eventDetail_;
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.recommendationengine.v1beta1.EventDetail,
            com.google.cloud.recommendationengine.v1beta1.EventDetail.Builder,
            com.google.cloud.recommendationengine.v1beta1.EventDetailOrBuilder>
        eventDetailBuilder_;
    /**
     *
     *
     * <pre>
     * Optional. User event detailed information common across different
     * recommendation types.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.EventDetail event_detail = 3 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     *
     * @return Whether the eventDetail field is set.
     */
    public boolean hasEventDetail() {
      return ((bitField0_ & 0x00000004) != 0);
    }
    /**
     *
     *
     * <pre>
     * Optional. User event detailed information common across different
     * recommendation types.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.EventDetail event_detail = 3 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     *
     * @return The eventDetail.
     */
    public com.google.cloud.recommendationengine.v1beta1.EventDetail getEventDetail() {
      if (eventDetailBuilder_ == null) {
        return eventDetail_ == null
            ? com.google.cloud.recommendationengine.v1beta1.EventDetail.getDefaultInstance()
            : eventDetail_;
      } else {
        return eventDetailBuilder_.getMessage();
      }
    }
    /**
     *
     *
     * <pre>
     * Optional. User event detailed information common across different
     * recommendation types.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.EventDetail event_detail = 3 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder setEventDetail(com.google.cloud.recommendationengine.v1beta1.EventDetail value) {
      if (eventDetailBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        eventDetail_ = value;
      } else {
        eventDetailBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000004;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Optional. User event detailed information common across different
     * recommendation types.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.EventDetail event_detail = 3 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder setEventDetail(
        com.google.cloud.recommendationengine.v1beta1.EventDetail.Builder builderForValue) {
      if (eventDetailBuilder_ == null) {
        eventDetail_ = builderForValue.build();
      } else {
        eventDetailBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00000004;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Optional. User event detailed information common across different
     * recommendation types.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.EventDetail event_detail = 3 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder mergeEventDetail(
        com.google.cloud.recommendationengine.v1beta1.EventDetail value) {
      if (eventDetailBuilder_ == null) {
        if (((bitField0_ & 0x00000004) != 0)
            && eventDetail_ != null
            && eventDetail_
                != com.google.cloud.recommendationengine.v1beta1.EventDetail.getDefaultInstance()) {
          getEventDetailBuilder().mergeFrom(value);
        } else {
          eventDetail_ = value;
        }
      } else {
        eventDetailBuilder_.mergeFrom(value);
      }
      bitField0_ |= 0x00000004;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Optional. User event detailed information common across different
     * recommendation types.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.EventDetail event_detail = 3 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder clearEventDetail() {
      bitField0_ = (bitField0_ & ~0x00000004);
      eventDetail_ = null;
      if (eventDetailBuilder_ != null) {
        eventDetailBuilder_.dispose();
        eventDetailBuilder_ = null;
      }
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Optional. User event detailed information common across different
     * recommendation types.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.EventDetail event_detail = 3 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public com.google.cloud.recommendationengine.v1beta1.EventDetail.Builder
        getEventDetailBuilder() {
      bitField0_ |= 0x00000004;
      onChanged();
      return getEventDetailFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * Optional. User event detailed information common across different
     * recommendation types.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.EventDetail event_detail = 3 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public com.google.cloud.recommendationengine.v1beta1.EventDetailOrBuilder
        getEventDetailOrBuilder() {
      if (eventDetailBuilder_ != null) {
        return eventDetailBuilder_.getMessageOrBuilder();
      } else {
        return eventDetail_ == null
            ? com.google.cloud.recommendationengine.v1beta1.EventDetail.getDefaultInstance()
            : eventDetail_;
      }
    }
    /**
     *
     *
     * <pre>
     * Optional. User event detailed information common across different
     * recommendation types.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.EventDetail event_detail = 3 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.recommendationengine.v1beta1.EventDetail,
            com.google.cloud.recommendationengine.v1beta1.EventDetail.Builder,
            com.google.cloud.recommendationengine.v1beta1.EventDetailOrBuilder>
        getEventDetailFieldBuilder() {
      if (eventDetailBuilder_ == null) {
        eventDetailBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.recommendationengine.v1beta1.EventDetail,
                com.google.cloud.recommendationengine.v1beta1.EventDetail.Builder,
                com.google.cloud.recommendationengine.v1beta1.EventDetailOrBuilder>(
                getEventDetail(), getParentForChildren(), isClean());
        eventDetail_ = null;
      }
      return eventDetailBuilder_;
    }

    private com.google.cloud.recommendationengine.v1beta1.ProductEventDetail productEventDetail_;
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.recommendationengine.v1beta1.ProductEventDetail,
            com.google.cloud.recommendationengine.v1beta1.ProductEventDetail.Builder,
            com.google.cloud.recommendationengine.v1beta1.ProductEventDetailOrBuilder>
        productEventDetailBuilder_;
    /**
     *
     *
     * <pre>
     * Optional. Retail product specific user event metadata.
     * This field is required for the following event types:
     * * `add-to-cart`
     * * `add-to-list`
     * * `category-page-view`
     * * `checkout-start`
     * * `detail-page-view`
     * * `purchase-complete`
     * * `refund`
     * * `remove-from-cart`
     * * `remove-from-list`
     * * `search`
     * This field is optional for the following event types:
     * * `page-visit`
     * * `shopping-cart-page-view` - note that 'product_event_detail' should be
     *   set for this unless the shopping cart is empty.
     * This field is not allowed for the following event types:
     * * `home-page-view`
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.ProductEventDetail product_event_detail = 4 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     *
     * @return Whether the productEventDetail field is set.
     */
    public boolean hasProductEventDetail() {
      return ((bitField0_ & 0x00000008) != 0);
    }
    /**
     *
     *
     * <pre>
     * Optional. Retail product specific user event metadata.
     * This field is required for the following event types:
     * * `add-to-cart`
     * * `add-to-list`
     * * `category-page-view`
     * * `checkout-start`
     * * `detail-page-view`
     * * `purchase-complete`
     * * `refund`
     * * `remove-from-cart`
     * * `remove-from-list`
     * * `search`
     * This field is optional for the following event types:
     * * `page-visit`
     * * `shopping-cart-page-view` - note that 'product_event_detail' should be
     *   set for this unless the shopping cart is empty.
     * This field is not allowed for the following event types:
     * * `home-page-view`
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.ProductEventDetail product_event_detail = 4 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     *
     * @return The productEventDetail.
     */
    public com.google.cloud.recommendationengine.v1beta1.ProductEventDetail
        getProductEventDetail() {
      if (productEventDetailBuilder_ == null) {
        return productEventDetail_ == null
            ? com.google.cloud.recommendationengine.v1beta1.ProductEventDetail.getDefaultInstance()
            : productEventDetail_;
      } else {
        return productEventDetailBuilder_.getMessage();
      }
    }
    /**
     *
     *
     * <pre>
     * Optional. Retail product specific user event metadata.
     * This field is required for the following event types:
     * * `add-to-cart`
     * * `add-to-list`
     * * `category-page-view`
     * * `checkout-start`
     * * `detail-page-view`
     * * `purchase-complete`
     * * `refund`
     * * `remove-from-cart`
     * * `remove-from-list`
     * * `search`
     * This field is optional for the following event types:
     * * `page-visit`
     * * `shopping-cart-page-view` - note that 'product_event_detail' should be
     *   set for this unless the shopping cart is empty.
     * This field is not allowed for the following event types:
     * * `home-page-view`
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.ProductEventDetail product_event_detail = 4 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder setProductEventDetail(
        com.google.cloud.recommendationengine.v1beta1.ProductEventDetail value) {
      if (productEventDetailBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        productEventDetail_ = value;
      } else {
        productEventDetailBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Optional. Retail product specific user event metadata.
     * This field is required for the following event types:
     * * `add-to-cart`
     * * `add-to-list`
     * * `category-page-view`
     * * `checkout-start`
     * * `detail-page-view`
     * * `purchase-complete`
     * * `refund`
     * * `remove-from-cart`
     * * `remove-from-list`
     * * `search`
     * This field is optional for the following event types:
     * * `page-visit`
     * * `shopping-cart-page-view` - note that 'product_event_detail' should be
     *   set for this unless the shopping cart is empty.
     * This field is not allowed for the following event types:
     * * `home-page-view`
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.ProductEventDetail product_event_detail = 4 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder setProductEventDetail(
        com.google.cloud.recommendationengine.v1beta1.ProductEventDetail.Builder builderForValue) {
      if (productEventDetailBuilder_ == null) {
        productEventDetail_ = builderForValue.build();
      } else {
        productEventDetailBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Optional. Retail product specific user event metadata.
     * This field is required for the following event types:
     * * `add-to-cart`
     * * `add-to-list`
     * * `category-page-view`
     * * `checkout-start`
     * * `detail-page-view`
     * * `purchase-complete`
     * * `refund`
     * * `remove-from-cart`
     * * `remove-from-list`
     * * `search`
     * This field is optional for the following event types:
     * * `page-visit`
     * * `shopping-cart-page-view` - note that 'product_event_detail' should be
     *   set for this unless the shopping cart is empty.
     * This field is not allowed for the following event types:
     * * `home-page-view`
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.ProductEventDetail product_event_detail = 4 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder mergeProductEventDetail(
        com.google.cloud.recommendationengine.v1beta1.ProductEventDetail value) {
      if (productEventDetailBuilder_ == null) {
        if (((bitField0_ & 0x00000008) != 0)
            && productEventDetail_ != null
            && productEventDetail_
                != com.google.cloud.recommendationengine.v1beta1.ProductEventDetail
                    .getDefaultInstance()) {
          getProductEventDetailBuilder().mergeFrom(value);
        } else {
          productEventDetail_ = value;
        }
      } else {
        productEventDetailBuilder_.mergeFrom(value);
      }
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Optional. Retail product specific user event metadata.
     * This field is required for the following event types:
     * * `add-to-cart`
     * * `add-to-list`
     * * `category-page-view`
     * * `checkout-start`
     * * `detail-page-view`
     * * `purchase-complete`
     * * `refund`
     * * `remove-from-cart`
     * * `remove-from-list`
     * * `search`
     * This field is optional for the following event types:
     * * `page-visit`
     * * `shopping-cart-page-view` - note that 'product_event_detail' should be
     *   set for this unless the shopping cart is empty.
     * This field is not allowed for the following event types:
     * * `home-page-view`
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.ProductEventDetail product_event_detail = 4 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder clearProductEventDetail() {
      bitField0_ = (bitField0_ & ~0x00000008);
      productEventDetail_ = null;
      if (productEventDetailBuilder_ != null) {
        productEventDetailBuilder_.dispose();
        productEventDetailBuilder_ = null;
      }
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Optional. Retail product specific user event metadata.
     * This field is required for the following event types:
     * * `add-to-cart`
     * * `add-to-list`
     * * `category-page-view`
     * * `checkout-start`
     * * `detail-page-view`
     * * `purchase-complete`
     * * `refund`
     * * `remove-from-cart`
     * * `remove-from-list`
     * * `search`
     * This field is optional for the following event types:
     * * `page-visit`
     * * `shopping-cart-page-view` - note that 'product_event_detail' should be
     *   set for this unless the shopping cart is empty.
     * This field is not allowed for the following event types:
     * * `home-page-view`
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.ProductEventDetail product_event_detail = 4 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public com.google.cloud.recommendationengine.v1beta1.ProductEventDetail.Builder
        getProductEventDetailBuilder() {
      bitField0_ |= 0x00000008;
      onChanged();
      return getProductEventDetailFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * Optional. Retail product specific user event metadata.
     * This field is required for the following event types:
     * * `add-to-cart`
     * * `add-to-list`
     * * `category-page-view`
     * * `checkout-start`
     * * `detail-page-view`
     * * `purchase-complete`
     * * `refund`
     * * `remove-from-cart`
     * * `remove-from-list`
     * * `search`
     * This field is optional for the following event types:
     * * `page-visit`
     * * `shopping-cart-page-view` - note that 'product_event_detail' should be
     *   set for this unless the shopping cart is empty.
     * This field is not allowed for the following event types:
     * * `home-page-view`
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.ProductEventDetail product_event_detail = 4 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public com.google.cloud.recommendationengine.v1beta1.ProductEventDetailOrBuilder
        getProductEventDetailOrBuilder() {
      if (productEventDetailBuilder_ != null) {
        return productEventDetailBuilder_.getMessageOrBuilder();
      } else {
        return productEventDetail_ == null
            ? com.google.cloud.recommendationengine.v1beta1.ProductEventDetail.getDefaultInstance()
            : productEventDetail_;
      }
    }
    /**
     *
     *
     * <pre>
     * Optional. Retail product specific user event metadata.
     * This field is required for the following event types:
     * * `add-to-cart`
     * * `add-to-list`
     * * `category-page-view`
     * * `checkout-start`
     * * `detail-page-view`
     * * `purchase-complete`
     * * `refund`
     * * `remove-from-cart`
     * * `remove-from-list`
     * * `search`
     * This field is optional for the following event types:
     * * `page-visit`
     * * `shopping-cart-page-view` - note that 'product_event_detail' should be
     *   set for this unless the shopping cart is empty.
     * This field is not allowed for the following event types:
     * * `home-page-view`
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.ProductEventDetail product_event_detail = 4 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.recommendationengine.v1beta1.ProductEventDetail,
            com.google.cloud.recommendationengine.v1beta1.ProductEventDetail.Builder,
            com.google.cloud.recommendationengine.v1beta1.ProductEventDetailOrBuilder>
        getProductEventDetailFieldBuilder() {
      if (productEventDetailBuilder_ == null) {
        productEventDetailBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.recommendationengine.v1beta1.ProductEventDetail,
                com.google.cloud.recommendationengine.v1beta1.ProductEventDetail.Builder,
                com.google.cloud.recommendationengine.v1beta1.ProductEventDetailOrBuilder>(
                getProductEventDetail(), getParentForChildren(), isClean());
        productEventDetail_ = null;
      }
      return productEventDetailBuilder_;
    }

    private com.google.protobuf.Timestamp eventTime_;
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Timestamp,
            com.google.protobuf.Timestamp.Builder,
            com.google.protobuf.TimestampOrBuilder>
        eventTimeBuilder_;
    /**
     *
     *
     * <pre>
     * Optional. Only required for ImportUserEvents method. Timestamp of user
     * event created.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp event_time = 5 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     *
     * @return Whether the eventTime field is set.
     */
    public boolean hasEventTime() {
      return ((bitField0_ & 0x00000010) != 0);
    }
    /**
     *
     *
     * <pre>
     * Optional. Only required for ImportUserEvents method. Timestamp of user
     * event created.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp event_time = 5 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     *
     * @return The eventTime.
     */
    public com.google.protobuf.Timestamp getEventTime() {
      if (eventTimeBuilder_ == null) {
        return eventTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : eventTime_;
      } else {
        return eventTimeBuilder_.getMessage();
      }
    }
    /**
     *
     *
     * <pre>
     * Optional. Only required for ImportUserEvents method. Timestamp of user
     * event created.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp event_time = 5 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder setEventTime(com.google.protobuf.Timestamp value) {
      if (eventTimeBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        eventTime_ = value;
      } else {
        eventTimeBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000010;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Optional. Only required for ImportUserEvents method. Timestamp of user
     * event created.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp event_time = 5 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder setEventTime(com.google.protobuf.Timestamp.Builder builderForValue) {
      if (eventTimeBuilder_ == null) {
        eventTime_ = builderForValue.build();
      } else {
        eventTimeBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00000010;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Optional. Only required for ImportUserEvents method. Timestamp of user
     * event created.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp event_time = 5 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder mergeEventTime(com.google.protobuf.Timestamp value) {
      if (eventTimeBuilder_ == null) {
        if (((bitField0_ & 0x00000010) != 0)
            && eventTime_ != null
            && eventTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
          getEventTimeBuilder().mergeFrom(value);
        } else {
          eventTime_ = value;
        }
      } else {
        eventTimeBuilder_.mergeFrom(value);
      }
      bitField0_ |= 0x00000010;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Optional. Only required for ImportUserEvents method. Timestamp of user
     * event created.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp event_time = 5 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder clearEventTime() {
      bitField0_ = (bitField0_ & ~0x00000010);
      eventTime_ = null;
      if (eventTimeBuilder_ != null) {
        eventTimeBuilder_.dispose();
        eventTimeBuilder_ = null;
      }
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Optional. Only required for ImportUserEvents method. Timestamp of user
     * event created.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp event_time = 5 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public com.google.protobuf.Timestamp.Builder getEventTimeBuilder() {
      bitField0_ |= 0x00000010;
      onChanged();
      return getEventTimeFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * Optional. Only required for ImportUserEvents method. Timestamp of user
     * event created.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp event_time = 5 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public com.google.protobuf.TimestampOrBuilder getEventTimeOrBuilder() {
      if (eventTimeBuilder_ != null) {
        return eventTimeBuilder_.getMessageOrBuilder();
      } else {
        return eventTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : eventTime_;
      }
    }
    /**
     *
     *
     * <pre>
     * Optional. Only required for ImportUserEvents method. Timestamp of user
     * event created.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp event_time = 5 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Timestamp,
            com.google.protobuf.Timestamp.Builder,
            com.google.protobuf.TimestampOrBuilder>
        getEventTimeFieldBuilder() {
      if (eventTimeBuilder_ == null) {
        eventTimeBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.protobuf.Timestamp,
                com.google.protobuf.Timestamp.Builder,
                com.google.protobuf.TimestampOrBuilder>(
                getEventTime(), getParentForChildren(), isClean());
        eventTime_ = null;
      }
      return eventTimeBuilder_;
    }

    private int eventSource_ = 0;
    /**
     *
     *
     * <pre>
     * Optional. This field should *not* be set when using JavaScript pixel
     * or the Recommendations AI Tag. Defaults to `EVENT_SOURCE_UNSPECIFIED`.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.UserEvent.EventSource event_source = 6 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     *
     * @return The enum numeric value on the wire for eventSource.
     */
    @java.lang.Override
    public int getEventSourceValue() {
      return eventSource_;
    }
    /**
     *
     *
     * <pre>
     * Optional. This field should *not* be set when using JavaScript pixel
     * or the Recommendations AI Tag. Defaults to `EVENT_SOURCE_UNSPECIFIED`.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.UserEvent.EventSource event_source = 6 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     *
     * @param value The enum numeric value on the wire for eventSource to set.
     * @return This builder for chaining.
     */
    public Builder setEventSourceValue(int value) {
      eventSource_ = value;
      bitField0_ |= 0x00000020;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Optional. This field should *not* be set when using JavaScript pixel
     * or the Recommendations AI Tag. Defaults to `EVENT_SOURCE_UNSPECIFIED`.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.UserEvent.EventSource event_source = 6 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     *
     * @return The eventSource.
     */
    @java.lang.Override
    public com.google.cloud.recommendationengine.v1beta1.UserEvent.EventSource getEventSource() {
      com.google.cloud.recommendationengine.v1beta1.UserEvent.EventSource result =
          com.google.cloud.recommendationengine.v1beta1.UserEvent.EventSource.forNumber(
              eventSource_);
      return result == null
          ? com.google.cloud.recommendationengine.v1beta1.UserEvent.EventSource.UNRECOGNIZED
          : result;
    }
    /**
     *
     *
     * <pre>
     * Optional. This field should *not* be set when using JavaScript pixel
     * or the Recommendations AI Tag. Defaults to `EVENT_SOURCE_UNSPECIFIED`.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.UserEvent.EventSource event_source = 6 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     *
     * @param value The eventSource to set.
     * @return This builder for chaining.
     */
    public Builder setEventSource(
        com.google.cloud.recommendationengine.v1beta1.UserEvent.EventSource value) {
      if (value == null) {
        throw new NullPointerException();
      }
      bitField0_ |= 0x00000020;
      eventSource_ = value.getNumber();
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Optional. This field should *not* be set when using JavaScript pixel
     * or the Recommendations AI Tag. Defaults to `EVENT_SOURCE_UNSPECIFIED`.
     * </pre>
     *
     * <code>
     * .google.cloud.recommendationengine.v1beta1.UserEvent.EventSource event_source = 6 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     *
     * @return This builder for chaining.
     */
    public Builder clearEventSource() {
      bitField0_ = (bitField0_ & ~0x00000020);
      eventSource_ = 0;
      onChanged();
      return this;
    }

    @java.lang.Override
    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.setUnknownFields(unknownFields);
    }

    @java.lang.Override
    public final Builder mergeUnknownFields(
        final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.mergeUnknownFields(unknownFields);
    }

    // @@protoc_insertion_point(builder_scope:google.cloud.recommendationengine.v1beta1.UserEvent)
  }

  // @@protoc_insertion_point(class_scope:google.cloud.recommendationengine.v1beta1.UserEvent)
  private static final com.google.cloud.recommendationengine.v1beta1.UserEvent DEFAULT_INSTANCE;

  static {
    DEFAULT_INSTANCE = new com.google.cloud.recommendationengine.v1beta1.UserEvent();
  }

  public static com.google.cloud.recommendationengine.v1beta1.UserEvent getDefaultInstance() {
    return DEFAULT_INSTANCE;
  }

  private static final com.google.protobuf.Parser<UserEvent> PARSER =
      new com.google.protobuf.AbstractParser<UserEvent>() {
        @java.lang.Override
        public UserEvent parsePartialFrom(
            com.google.protobuf.CodedInputStream input,
            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
            throws com.google.protobuf.InvalidProtocolBufferException {
          Builder builder = newBuilder();
          try {
            builder.mergeFrom(input, extensionRegistry);
          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
            throw e.setUnfinishedMessage(builder.buildPartial());
          } catch (com.google.protobuf.UninitializedMessageException e) {
            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
          } catch (java.io.IOException e) {
            throw new com.google.protobuf.InvalidProtocolBufferException(e)
                .setUnfinishedMessage(builder.buildPartial());
          }
          return builder.buildPartial();
        }
      };

  public static com.google.protobuf.Parser<UserEvent> parser() {
    return PARSER;
  }

  @java.lang.Override
  public com.google.protobuf.Parser<UserEvent> getParserForType() {
    return PARSER;
  }

  @java.lang.Override
  public com.google.cloud.recommendationengine.v1beta1.UserEvent getDefaultInstanceForType() {
    return DEFAULT_INSTANCE;
  }
}