mirror of https://github.com/M66B/FairEmail.git
129 lines
4.0 KiB
Java
129 lines
4.0 KiB
Java
/*
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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.annotation.NonNull;
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import androidx.sqlite.db.SupportSQLiteStatement;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.concurrent.Executor;
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/**
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* Implements an instance of {@link SupportSQLiteStatement} for SQLite queries.
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*/
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final class QueryInterceptorStatement implements SupportSQLiteStatement {
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private final SupportSQLiteStatement mDelegate;
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private final RoomDatabase.QueryCallback mQueryCallback;
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private final String mSqlStatement;
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private final List<Object> mBindArgsCache = new ArrayList<>();
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private final Executor mQueryCallbackExecutor;
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QueryInterceptorStatement(@NonNull SupportSQLiteStatement compileStatement,
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@NonNull RoomDatabase.QueryCallback queryCallback, String sqlStatement,
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@NonNull Executor queryCallbackExecutor) {
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mDelegate = compileStatement;
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mQueryCallback = queryCallback;
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mSqlStatement = sqlStatement;
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mQueryCallbackExecutor = queryCallbackExecutor;
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}
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@Override
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public void execute() {
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mQueryCallbackExecutor.execute(() -> mQueryCallback.onQuery(mSqlStatement, mBindArgsCache));
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mDelegate.execute();
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}
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@Override
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public int executeUpdateDelete() {
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mQueryCallbackExecutor.execute(() -> mQueryCallback.onQuery(mSqlStatement, mBindArgsCache));
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return mDelegate.executeUpdateDelete();
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}
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@Override
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public long executeInsert() {
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mQueryCallbackExecutor.execute(() -> mQueryCallback.onQuery(mSqlStatement, mBindArgsCache));
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return mDelegate.executeInsert();
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}
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@Override
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public long simpleQueryForLong() {
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mQueryCallbackExecutor.execute(() -> mQueryCallback.onQuery(mSqlStatement, mBindArgsCache));
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return mDelegate.simpleQueryForLong();
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}
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@Override
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public String simpleQueryForString() {
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mQueryCallbackExecutor.execute(() -> mQueryCallback.onQuery(mSqlStatement, mBindArgsCache));
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return mDelegate.simpleQueryForString();
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}
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@Override
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public void bindNull(int index) {
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saveArgsToCache(index, mBindArgsCache.toArray());
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mDelegate.bindNull(index);
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}
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@Override
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public void bindLong(int index, long value) {
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saveArgsToCache(index, value);
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mDelegate.bindLong(index, value);
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}
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@Override
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public void bindDouble(int index, double value) {
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saveArgsToCache(index, value);
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mDelegate.bindDouble(index, value);
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}
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@Override
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public void bindString(int index, String value) {
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saveArgsToCache(index, value);
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mDelegate.bindString(index, value);
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}
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@Override
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public void bindBlob(int index, byte[] value) {
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saveArgsToCache(index, value);
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mDelegate.bindBlob(index, value);
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}
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@Override
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public void clearBindings() {
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mBindArgsCache.clear();
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mDelegate.clearBindings();
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}
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@Override
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public void close() throws IOException {
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mDelegate.close();
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}
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private void saveArgsToCache(int bindIndex, Object value) {
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int index = bindIndex - 1;
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if (index >= mBindArgsCache.size()) {
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// Add null entries to the list until we have the desired # of indices
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for (int i = mBindArgsCache.size(); i <= index; i++) {
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mBindArgsCache.add(null);
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}
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}
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mBindArgsCache.set(index, value);
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}
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}
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