mirror of https://github.com/M66B/FairEmail.git
110 lines
3.3 KiB
Kotlin
110 lines
3.3 KiB
Kotlin
/*
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* Copyright 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package androidx.room
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import androidx.sqlite.db.SupportSQLiteStatement
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import java.util.concurrent.Executor
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/**
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* Implements an instance of [SupportSQLiteStatement] for SQLite queries.
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*/
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internal class QueryInterceptorStatement(
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private val delegate: SupportSQLiteStatement,
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private val sqlStatement: String,
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private val queryCallbackExecutor: Executor,
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private val queryCallback: RoomDatabase.QueryCallback,
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) : SupportSQLiteStatement by delegate {
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private val bindArgsCache = mutableListOf<Any?>()
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override fun execute() {
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queryCallbackExecutor.execute {
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queryCallback.onQuery(sqlStatement, bindArgsCache)
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}
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delegate.execute()
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}
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override fun executeUpdateDelete(): Int {
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queryCallbackExecutor.execute {
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queryCallback.onQuery(sqlStatement, bindArgsCache)
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}
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return delegate.executeUpdateDelete()
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}
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override fun executeInsert(): Long {
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queryCallbackExecutor.execute {
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queryCallback.onQuery(sqlStatement, bindArgsCache)
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}
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return delegate.executeInsert()
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}
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override fun simpleQueryForLong(): Long {
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queryCallbackExecutor.execute {
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queryCallback.onQuery(sqlStatement, bindArgsCache)
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}
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return delegate.simpleQueryForLong()
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}
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override fun simpleQueryForString(): String? {
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queryCallbackExecutor.execute {
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queryCallback.onQuery(sqlStatement, bindArgsCache)
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}
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return delegate.simpleQueryForString()
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}
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override fun bindNull(index: Int) {
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saveArgsToCache(index, null)
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delegate.bindNull(index)
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}
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override fun bindLong(index: Int, value: Long) {
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saveArgsToCache(index, value)
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delegate.bindLong(index, value)
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}
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override fun bindDouble(index: Int, value: Double) {
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saveArgsToCache(index, value)
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delegate.bindDouble(index, value)
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}
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override fun bindString(index: Int, value: String) {
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saveArgsToCache(index, value)
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delegate.bindString(index, value)
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}
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override fun bindBlob(index: Int, value: ByteArray) {
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saveArgsToCache(index, value)
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delegate.bindBlob(index, value)
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}
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override fun clearBindings() {
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bindArgsCache.clear()
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delegate.clearBindings()
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}
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private fun saveArgsToCache(bindIndex: Int, value: Any?) {
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val index = bindIndex - 1
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if (index >= bindArgsCache.size) {
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// Add null entries to the list until we have the desired # of indices
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repeat(index - bindArgsCache.size + 1) {
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bindArgsCache.add(null)
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}
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}
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bindArgsCache[index] = value
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}
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}
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