hadoop-ozone/recon/src/main/java/org/apache/hadoop/ozone/recon/persistence/SqliteDataSourceProvider.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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 org.apache.hadoop.ozone.recon.persistence;

import javax.sql.DataSource;

import org.sqlite.SQLiteDataSource;

import com.google.inject.Inject;
import com.google.inject.Provider;

/**
 * Provide a {@link javax.sql.DataSource} for the application.
 */
public class SqliteDataSourceProvider implements Provider<DataSource> {

  private DataSourceConfiguration configuration;

  @Inject
  public SqliteDataSourceProvider(DataSourceConfiguration configuration) {
    this.configuration = configuration;
  }

  /**
   * Create a pooled datasource for the application.
   * <p>
   * Default sqlite database does not work with a connection pool, actually
   * most embedded databases do not, hence returning native implementation for
   * default db.
   */
  @Override
  public DataSource get() {
    SQLiteDataSource ds = new SQLiteDataSource();
    ds.setUrl(configuration.getJdbcUrl());
    return ds;
  }
}