/*
 * 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/tasks/v2beta2/cloudtasks.proto

package com.google.cloud.tasks.v2beta2;

public interface LeaseTasksRequestOrBuilder
    extends
    // @@protoc_insertion_point(interface_extends:google.cloud.tasks.v2beta2.LeaseTasksRequest)
    com.google.protobuf.MessageOrBuilder {

  /**
   *
   *
   * <pre>
   * Required. The queue name. For example:
   * `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
   * </pre>
   *
   * <code>
   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
   * </code>
   *
   * @return The parent.
   */
  java.lang.String getParent();
  /**
   *
   *
   * <pre>
   * Required. The queue name. For example:
   * `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
   * </pre>
   *
   * <code>
   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
   * </code>
   *
   * @return The bytes for parent.
   */
  com.google.protobuf.ByteString getParentBytes();

  /**
   *
   *
   * <pre>
   * The maximum number of tasks to lease.
   * The system will make a best effort to return as close to as
   * `max_tasks` as possible.
   * The largest that `max_tasks` can be is 1000.
   * The maximum total size of a [lease tasks
   * response][google.cloud.tasks.v2beta2.LeaseTasksResponse] is 32 MB. If the
   * sum of all task sizes requested reaches this limit, fewer tasks than
   * requested are returned.
   * </pre>
   *
   * <code>int32 max_tasks = 2;</code>
   *
   * @return The maxTasks.
   */
  int getMaxTasks();

  /**
   *
   *
   * <pre>
   * Required. The duration of the lease.
   * Each task returned in the
   * [response][google.cloud.tasks.v2beta2.LeaseTasksResponse] will have its
   * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time] set to the
   * current time plus the `lease_duration`. The task is leased until its
   * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time]; thus, the
   * task will not be returned to another
   * [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks] call before
   * its [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time].
   * After the worker has successfully finished the work associated
   * with the task, the worker must call via
   * [AcknowledgeTask][google.cloud.tasks.v2beta2.CloudTasks.AcknowledgeTask]
   * before the [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time].
   * Otherwise the task will be returned to a later
   * [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks] call so that
   * another worker can retry it.
   * The maximum lease duration is 1 week.
   * `lease_duration` will be truncated to the nearest second.
   * </pre>
   *
   * <code>.google.protobuf.Duration lease_duration = 3 [(.google.api.field_behavior) = REQUIRED];
   * </code>
   *
   * @return Whether the leaseDuration field is set.
   */
  boolean hasLeaseDuration();
  /**
   *
   *
   * <pre>
   * Required. The duration of the lease.
   * Each task returned in the
   * [response][google.cloud.tasks.v2beta2.LeaseTasksResponse] will have its
   * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time] set to the
   * current time plus the `lease_duration`. The task is leased until its
   * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time]; thus, the
   * task will not be returned to another
   * [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks] call before
   * its [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time].
   * After the worker has successfully finished the work associated
   * with the task, the worker must call via
   * [AcknowledgeTask][google.cloud.tasks.v2beta2.CloudTasks.AcknowledgeTask]
   * before the [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time].
   * Otherwise the task will be returned to a later
   * [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks] call so that
   * another worker can retry it.
   * The maximum lease duration is 1 week.
   * `lease_duration` will be truncated to the nearest second.
   * </pre>
   *
   * <code>.google.protobuf.Duration lease_duration = 3 [(.google.api.field_behavior) = REQUIRED];
   * </code>
   *
   * @return The leaseDuration.
   */
  com.google.protobuf.Duration getLeaseDuration();
  /**
   *
   *
   * <pre>
   * Required. The duration of the lease.
   * Each task returned in the
   * [response][google.cloud.tasks.v2beta2.LeaseTasksResponse] will have its
   * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time] set to the
   * current time plus the `lease_duration`. The task is leased until its
   * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time]; thus, the
   * task will not be returned to another
   * [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks] call before
   * its [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time].
   * After the worker has successfully finished the work associated
   * with the task, the worker must call via
   * [AcknowledgeTask][google.cloud.tasks.v2beta2.CloudTasks.AcknowledgeTask]
   * before the [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time].
   * Otherwise the task will be returned to a later
   * [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks] call so that
   * another worker can retry it.
   * The maximum lease duration is 1 week.
   * `lease_duration` will be truncated to the nearest second.
   * </pre>
   *
   * <code>.google.protobuf.Duration lease_duration = 3 [(.google.api.field_behavior) = REQUIRED];
   * </code>
   */
  com.google.protobuf.DurationOrBuilder getLeaseDurationOrBuilder();

  /**
   *
   *
   * <pre>
   * The response_view specifies which subset of the
   * [Task][google.cloud.tasks.v2beta2.Task] will be returned.
   * By default response_view is
   * [BASIC][google.cloud.tasks.v2beta2.Task.View.BASIC]; not all information is
   * retrieved by default because some data, such as payloads, might be
   * desirable to return only when needed because of its large size or because
   * of the sensitivity of data that it contains.
   * Authorization for [FULL][google.cloud.tasks.v2beta2.Task.View.FULL]
   * requires `cloudtasks.tasks.fullView` [Google
   * IAM](https://cloud.google.com/iam/) permission on the
   * [Task][google.cloud.tasks.v2beta2.Task] resource.
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta2.Task.View response_view = 4;</code>
   *
   * @return The enum numeric value on the wire for responseView.
   */
  int getResponseViewValue();
  /**
   *
   *
   * <pre>
   * The response_view specifies which subset of the
   * [Task][google.cloud.tasks.v2beta2.Task] will be returned.
   * By default response_view is
   * [BASIC][google.cloud.tasks.v2beta2.Task.View.BASIC]; not all information is
   * retrieved by default because some data, such as payloads, might be
   * desirable to return only when needed because of its large size or because
   * of the sensitivity of data that it contains.
   * Authorization for [FULL][google.cloud.tasks.v2beta2.Task.View.FULL]
   * requires `cloudtasks.tasks.fullView` [Google
   * IAM](https://cloud.google.com/iam/) permission on the
   * [Task][google.cloud.tasks.v2beta2.Task] resource.
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta2.Task.View response_view = 4;</code>
   *
   * @return The responseView.
   */
  com.google.cloud.tasks.v2beta2.Task.View getResponseView();

  /**
   *
   *
   * <pre>
   * `filter` can be used to specify a subset of tasks to lease.
   * When `filter` is set to `tag=&lt;my-tag&gt;` then the
   * [response][google.cloud.tasks.v2beta2.LeaseTasksResponse] will contain only
   * tasks whose [tag][google.cloud.tasks.v2beta2.PullMessage.tag] is equal to
   * `&lt;my-tag&gt;`. `&lt;my-tag&gt;` must be less than 500 characters.
   * When `filter` is set to `tag_function=oldest_tag()`, only tasks which have
   * the same tag as the task with the oldest
   * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time] will be
   * returned.
   * Grammar Syntax:
   * * `filter = "tag=" tag | "tag_function=" function`
   * * `tag = string`
   * * `function = "oldest_tag()"`
   * The `oldest_tag()` function returns tasks which have the same tag as the
   * oldest task (ordered by schedule time).
   * SDK compatibility: Although the SDK allows tags to be either
   * string or
   * [bytes](https://cloud.google.com/appengine/docs/standard/java/javadoc/com/google/appengine/api/taskqueue/TaskOptions.html#tag-byte:A-),
   * only UTF-8 encoded tags can be used in Cloud Tasks. Tag which
   * aren't UTF-8 encoded can't be used in the
   * [filter][google.cloud.tasks.v2beta2.LeaseTasksRequest.filter] and the
   * task's [tag][google.cloud.tasks.v2beta2.PullMessage.tag] will be displayed
   * as empty in Cloud Tasks.
   * </pre>
   *
   * <code>string filter = 5;</code>
   *
   * @return The filter.
   */
  java.lang.String getFilter();
  /**
   *
   *
   * <pre>
   * `filter` can be used to specify a subset of tasks to lease.
   * When `filter` is set to `tag=&lt;my-tag&gt;` then the
   * [response][google.cloud.tasks.v2beta2.LeaseTasksResponse] will contain only
   * tasks whose [tag][google.cloud.tasks.v2beta2.PullMessage.tag] is equal to
   * `&lt;my-tag&gt;`. `&lt;my-tag&gt;` must be less than 500 characters.
   * When `filter` is set to `tag_function=oldest_tag()`, only tasks which have
   * the same tag as the task with the oldest
   * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time] will be
   * returned.
   * Grammar Syntax:
   * * `filter = "tag=" tag | "tag_function=" function`
   * * `tag = string`
   * * `function = "oldest_tag()"`
   * The `oldest_tag()` function returns tasks which have the same tag as the
   * oldest task (ordered by schedule time).
   * SDK compatibility: Although the SDK allows tags to be either
   * string or
   * [bytes](https://cloud.google.com/appengine/docs/standard/java/javadoc/com/google/appengine/api/taskqueue/TaskOptions.html#tag-byte:A-),
   * only UTF-8 encoded tags can be used in Cloud Tasks. Tag which
   * aren't UTF-8 encoded can't be used in the
   * [filter][google.cloud.tasks.v2beta2.LeaseTasksRequest.filter] and the
   * task's [tag][google.cloud.tasks.v2beta2.PullMessage.tag] will be displayed
   * as empty in Cloud Tasks.
   * </pre>
   *
   * <code>string filter = 5;</code>
   *
   * @return The bytes for filter.
   */
  com.google.protobuf.ByteString getFilterBytes();
}