1 /* 2 * Copyright (C) 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.adservices.data.measurement; 18 19 /** 20 * Interface for transaction handling in Datastore. 21 */ 22 public interface ITransaction { 23 24 /** 25 * Begin the transaction. 26 */ begin()27 void begin(); 28 29 /** 30 * Rollback the transaction. 31 */ rollback()32 void rollback(); 33 34 /** 35 * End the transaction. 36 */ end()37 void end(); 38 } 39