michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: package org.mozilla.gecko.db;
michael@0: 
michael@0: import org.mozilla.gecko.db.PerProfileDatabases.DatabaseHelperFactory;
michael@0: 
michael@0: import android.content.Context;
michael@0: import android.database.sqlite.SQLiteOpenHelper;
michael@0: 
michael@0: /**
michael@0:  * Abstract class containing methods needed to make a SQLite-based content
michael@0:  * provider with a database helper of type T, where one database helper is
michael@0:  * held per profile.
michael@0:  */
michael@0: public abstract class PerProfileDatabaseProvider<T extends SQLiteOpenHelper> extends AbstractPerProfileDatabaseProvider {
michael@0:     private PerProfileDatabases<T> databases;
michael@0: 
michael@0:     @Override
michael@0:     protected PerProfileDatabases<T> getDatabases() {
michael@0:         return databases;
michael@0:     }
michael@0: 
michael@0:     protected abstract String getDatabaseName();
michael@0: 
michael@0:     /**
michael@0:      * Creates and returns an instance of the appropriate DB helper.
michael@0:      *
michael@0:      * @param  context       to use to create the database helper
michael@0:      * @param  databasePath  path to the DB file
michael@0:      * @return               instance of the database helper
michael@0:      */
michael@0:     protected abstract T createDatabaseHelper(Context context, String databasePath);
michael@0: 
michael@0:     @Override
michael@0:     public boolean onCreate() {
michael@0:         synchronized (this) {
michael@0:             databases = new PerProfileDatabases<T>(
michael@0:                 getContext(), getDatabaseName(), new DatabaseHelperFactory<T>() {
michael@0:                     @Override
michael@0:                     public T makeDatabaseHelper(Context context, String databasePath) {
michael@0:                         return createDatabaseHelper(context, databasePath);
michael@0:                     }
michael@0:                 });
michael@0:         }
michael@0: 
michael@0:         return true;
michael@0:     }
michael@0: }