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/*
* Copyright (C) 2022 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 com.android.adservices.data.measurement;
import android.annotation.Nullable;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import com.android.adservices.data.DbHelper;
import com.android.adservices.service.FlagsFactory;
import com.android.internal.annotations.VisibleForTesting;
/**
* Datastore manager for SQLite database.
*/
class SQLDatastoreManager extends DatastoreManager {
private final DbHelper mDbHelper;
private static SQLDatastoreManager sSingleton;
/**
* Acquire an instance of {@link SQLDatastoreManager}.
*/
static synchronized SQLDatastoreManager getInstance(Context context) {
if (sSingleton == null) {
sSingleton = new SQLDatastoreManager(context);
}
return sSingleton;
}
private SQLDatastoreManager(Context context) {
mDbHelper = DbHelper.getInstance(context);
}
@Override
@Nullable
protected ITransaction createNewTransaction() {
SQLiteDatabase db = mDbHelper.safeGetWritableDatabase();
if (db == null) {
return null;
}
return new SQLTransaction(db);
}
@Override
@VisibleForTesting
public IMeasurementDao getMeasurementDao() {
return new MeasurementDao(
() ->
mDbHelper.getDbFileSize()
>= FlagsFactory.getFlags().getMeasurementDbSizeLimit());
}
}
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