mobile/android/base/db/PerProfileDatabaseProvider.java

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/mobile/android/base/db/PerProfileDatabaseProvider.java	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,50 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
     1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +package org.mozilla.gecko.db;
     1.9 +
    1.10 +import org.mozilla.gecko.db.PerProfileDatabases.DatabaseHelperFactory;
    1.11 +
    1.12 +import android.content.Context;
    1.13 +import android.database.sqlite.SQLiteOpenHelper;
    1.14 +
    1.15 +/**
    1.16 + * Abstract class containing methods needed to make a SQLite-based content
    1.17 + * provider with a database helper of type T, where one database helper is
    1.18 + * held per profile.
    1.19 + */
    1.20 +public abstract class PerProfileDatabaseProvider<T extends SQLiteOpenHelper> extends AbstractPerProfileDatabaseProvider {
    1.21 +    private PerProfileDatabases<T> databases;
    1.22 +
    1.23 +    @Override
    1.24 +    protected PerProfileDatabases<T> getDatabases() {
    1.25 +        return databases;
    1.26 +    }
    1.27 +
    1.28 +    protected abstract String getDatabaseName();
    1.29 +
    1.30 +    /**
    1.31 +     * Creates and returns an instance of the appropriate DB helper.
    1.32 +     *
    1.33 +     * @param  context       to use to create the database helper
    1.34 +     * @param  databasePath  path to the DB file
    1.35 +     * @return               instance of the database helper
    1.36 +     */
    1.37 +    protected abstract T createDatabaseHelper(Context context, String databasePath);
    1.38 +
    1.39 +    @Override
    1.40 +    public boolean onCreate() {
    1.41 +        synchronized (this) {
    1.42 +            databases = new PerProfileDatabases<T>(
    1.43 +                getContext(), getDatabaseName(), new DatabaseHelperFactory<T>() {
    1.44 +                    @Override
    1.45 +                    public T makeDatabaseHelper(Context context, String databasePath) {
    1.46 +                        return createDatabaseHelper(context, databasePath);
    1.47 +                    }
    1.48 +                });
    1.49 +        }
    1.50 +
    1.51 +        return true;
    1.52 +    }
    1.53 +}

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