content: /*
   * 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
   *
   *     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 org.apache.ambari.server.controller.jdbc;
  
  import java.sql.Connection;
  import java.sql.DriverManager;
  import java.sql.SQLException;
  
  /**
   * Connection factory implementation for job history postgres db.
   */
  public class JobHistoryPostgresConnectionFactory implements ConnectionFactory {
    private static final String DEFAULT_HOSTNAME = "localhost";
    private static final String DEFAULT_DBNAME = "ambarirca";
    private static final String DEFAULT_USERNAME = "mapred";
    private static final String DEFAULT_PASSWORD = "mapred";
  
    private String url;
    private String username;
    private String password;
  
    /**
     * Create a connection factory with default parameters.
     */
    public JobHistoryPostgresConnectionFactory() {
      this(DEFAULT_HOSTNAME, DEFAULT_DBNAME, DEFAULT_USERNAME, DEFAULT_PASSWORD);
    }
  
    /**
     * Create a connection factory with given parameters.
     * 
     * @param hostname host running postgres
     * @param dbname name of the postgres db
     * @param username username for postgres db
     * @param password password for postgres db
     */
    public JobHistoryPostgresConnectionFactory(String hostname, String dbname, String username, String password) {
      url = "jdbc:postgresql://" + hostname + "/" + dbname;
      this.username = username;
      this.password = password;
      try {
        Class.forName("org.postgresql.Driver");
      } catch (ClassNotFoundException e) {
        throw new IllegalStateException("Can't load postgresql", e);
      }
    }
  
    @Override
    public Connection getConnection() throws SQLException {
      return DriverManager.getConnection(url, username, password);
    }
  }
  