org.apache.phoenix.hive.HivePhoenixOutputCommitter.java Source code

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Here is the source code for org.apache.phoenix.hive.HivePhoenixOutputCommitter.java

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/*
 * 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.phoenix.hive;

import java.io.IOException;
import java.sql.Connection;
import java.sql.SQLException;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.phoenix.mapreduce.PhoenixOutputCommitter;

/**
* HivePhoenixOutputCommitter
*
* @version 1.0
* @since   2015-02-08 
*/

public class HivePhoenixOutputCommitter extends PhoenixOutputCommitter {
    public final Log LOG = LogFactory.getLog(HivePhoenixOutputCommitter.class);

    public void commit(Connection connection) throws IOException {
        try {
            if ((connection == null) || (connection.isClosed()))
                throw new IOException("Trying to commit a connection that is null or closed: " + connection);
        } catch (SQLException e) {
            throw new IOException("Exception calling isClosed on connection", e);
        }
        try {
            this.LOG.info("Commit called on task completion");
            connection.commit();
        } catch (SQLException e) {
            throw new IOException("Exception while trying to commit a connection. ", e);
        } finally {
            try {
                this.LOG.info("Closing connection to database on task completion");
                connection.close();
            } catch (SQLException e) {
                this.LOG.warn("Exception while trying to close database connection", e);
            }
        }
    }

}