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.apex.malhar.contrib.hbase;
  
  import java.io.IOException;
  import org.apache.hadoop.conf.Configuration;
  import org.apache.hadoop.hbase.HBaseConfiguration;
  import org.apache.hadoop.hbase.client.HTable;
  
  /**
   * Implements the base class for the HBase operators. <br>
   * <p>
   * <br>
   * The HBase operators extend this class. The base class contains the HBase properties and also sets up
   * the configuration to be used by the HBase operators.<br>
   *
   * <br>
   * @displayName HBase Operator Base
   * @category Output
   * @tags hbase, base, properties
   * @since 0.3.2
   */
  public class HBaseOperatorBase
  {
    private String zookeeperQuorum;
    private int zookeeperClientPort;
    protected String tableName;
  
    protected transient HTable table;
    protected transient Configuration configuration;
  
    /**
     * Get the zookeeper quorum location.
     * @return The zookeeper quorum location
     */
    public String getZookeeperQuorum()
    {
      return zookeeperQuorum;
    }
  
    /**
     * Set the zookeeper quorum location.
     * @param zookeeperQuorum The zookeeper quorum location
     */
    public void setZookeeperQuorum(String zookeeperQuorum)
    {
      this.zookeeperQuorum = zookeeperQuorum;
    }
  
    /**
     * Get the zookeeper client port.
     * @return The zookeeper client port
     */
    public int getZookeeperClientPort()
    {
      return zookeeperClientPort;
    }
  
    /**
     * Set the zookeeper client port.
     * @param zookeeperClientPort The zookeeper client port
     */
    public void setZookeeperClientPort(int zookeeperClientPort)
    {
      this.zookeeperClientPort = zookeeperClientPort;
    }
  
    /**
     * Get the HBase table name.
     * @return The HBase table name
     */
    public String getTableName()
    {
      return tableName;
    }
  
    /**
     * Set the HBase table name.
     * @param tableName The HBase table name
     */
    public void setTableName(String tableName)
    {
      this.tableName = tableName;
    }
  
    /**
     * Get the configuration.
     * @return The configuration
     */
    public Configuration getConfiguration()
    {
      return configuration;
    }
  
    /**
     * Setup the configuration.
     * Setup the configuration using the different properties set in the class. This method
     * should be called before using the configuration or table.
     * @throws IOException
     */
    protected void setupConfiguration() throws IOException
    {
      configuration = HBaseConfiguration.create();
      configuration.set("hbase.zookeeper.quorum", zookeeperQuorum);
      configuration.set("hbase.zookeeper.property.clientPort", "" + zookeeperClientPort);
      table = new HTable(configuration, tableName);
    }
  
    /**
     * Get the HBase table.
     * If setupConfiguration was called and was successful this method returns the table
     * that was setup by the method. Otherwise null is returned.
     * @return The HBase table if configuration setup was successful, null otherwise
     * @throws IOException
     */
    protected HTable getTable() throws IOException
    {
      return table;
    }
  
  }
  