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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.db;
import org.mozilla.gecko.AppConstants.Versions;
import org.mozilla.gecko.db.PerProfileDatabases.DatabaseHelperFactory;
import android.content.Context;
import android.database.sqlite.SQLiteOpenHelper;
/**
* Abstract class containing methods needed to make a SQLite-based content
* provider with a database helper of type T, where one database helper is
* held per profile.
*/
public abstract class PerProfileDatabaseProvider<T extends SQLiteOpenHelper> extends AbstractPerProfileDatabaseProvider {
private PerProfileDatabases<T> databases;
@Override
protected PerProfileDatabases<T> getDatabases() {
return databases;
}
protected abstract String getDatabaseName();
/**
* Creates and returns an instance of the appropriate DB helper.
*
* @param context to use to create the database helper
* @param databasePath path to the DB file
* @return instance of the database helper
*/
protected abstract T createDatabaseHelper(Context context, String databasePath);
@Override
public boolean onCreate() {
synchronized (this) {
databases = new PerProfileDatabases<T>(
getContext(), getDatabaseName(), new DatabaseHelperFactory<T>() {
@Override
public T makeDatabaseHelper(Context context, String databasePath) {
final T helper = createDatabaseHelper(context, databasePath);
if (Versions.feature16Plus) {
helper.setWriteAheadLoggingEnabled(true);
}
return helper;
}
});
}
return true;
}
}
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