/*
 * Copyright (C) 2023 The Android Open Source Project
 *
 * 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
 *
 *      http://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.
 */

package android.tools.traces.surfaceflinger

data class Transaction(
    val pid: Int,
    val uid: Int,
    val requestedVSyncId: Long,
    val postTime: Long,
    val id: Long,
    val mergedTransactionIds: Collection<Long>,
) {
    var appliedInEntry: TransactionsTraceEntry? = null

    val appliedVSyncId: Long
        get() = appliedInEntry?.vSyncId ?: 0

    override fun toString(): String {
        return "Transaction#${hashCode().toString(16)}" +
            "(pid=$pid, uid=$uid, requestedVSyncId=$requestedVSyncId, postTime=$postTime, " +
            "id=$id)"
    }

    companion object {
        fun emptyTransaction(): Transaction {
            return Transaction(0, 0, 0, 0, 0, emptyList())
        }
    }
}