1/* 2 * Copyright (C) 2018 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 17package androidx.core.database.sqlite 18 19import android.database.sqlite.SQLiteDatabase 20 21/** 22 * Run [body] in a transaction marking it as successful if it completes without exception. 23 * 24 * @param exclusive Run in `EXCLUSIVE` mode when true, `IMMEDIATE` mode otherwise. 25 */ 26inline fun <T> SQLiteDatabase.transaction( 27 exclusive: Boolean = true, 28 body: SQLiteDatabase.() -> T 29): T { 30 if (exclusive) { 31 beginTransaction() 32 } else { 33 beginTransactionNonExclusive() 34 } 35 try { 36 val result = body() 37 setTransactionSuccessful() 38 return result 39 } finally { 40 endTransaction() 41 } 42} 43