HBaseTest.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
 *
 * 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.coheigea.camel.hbase;

import java.io.IOException;
import java.net.ServerSocket;

import org.apache.camel.spring.Main;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.HColumnDescriptor;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.Admin;
import org.apache.hadoop.hbase.client.Connection;
import org.apache.hadoop.hbase.client.ConnectionFactory;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.client.Table;
import org.apache.hadoop.hbase.util.Bytes;

/**
 * This demo shows how to use Apache Camel to invoke on Apache HBase.
 */
public class HBaseTest extends org.junit.Assert {
    
    private static HBaseTestingUtility utility;
    
    @org.junit.BeforeClass
    public static void setup() throws Exception {
        
        utility = new HBaseTestingUtility();
        int port = Integer.parseInt(System.getProperty("hbase.port"));
        utility.getConfiguration().set("test.hbase.zookeeper.property.clientPort", "" + port);
        utility.getConfiguration().set("hbase.master.port", "" + getFreePort());
        utility.getConfiguration().set("hbase.master.info.port", "" + getFreePort());
        utility.getConfiguration().set("hbase.regionserver.port", "" + getFreePort());
        utility.getConfiguration().set("hbase.regionserver.info.port", "" + getFreePort());
        utility.getConfiguration().set("zookeeper.znode.parent", "/hbase-unsecure");
        utility.startMiniCluster();
        
        // Create a table
        final Configuration conf = HBaseConfiguration.create();
        conf.set("hbase.zookeeper.quorum", "localhost");
        conf.set("hbase.zookeeper.property.clientPort", "" + port);
        conf.set("zookeeper.znode.parent", "/hbase-unsecure");
        
        Connection conn = ConnectionFactory.createConnection(conf);
        Admin admin = conn.getAdmin();
        
        // Create a table
        if (!admin.tableExists(TableName.valueOf("temp"))) {
            HTableDescriptor tableDescriptor = new HTableDescriptor(TableName.valueOf("temp"));
    
            // Adding column families to table descriptor
            tableDescriptor.addFamily(new HColumnDescriptor("colfam1"));
            tableDescriptor.addFamily(new HColumnDescriptor("colfam2"));
    
            admin.createTable(tableDescriptor);
        }
        
        // Add a new row
        Put put = new Put(Bytes.toBytes("row1"));
        put.addColumn(Bytes.toBytes("colfam1"), Bytes.toBytes("col1"), Bytes.toBytes("val1"));
        Table table = conn.getTable(TableName.valueOf("temp"));
        table.put(put);
        
        put = new Put(Bytes.toBytes("row2"));
        put.addColumn(Bytes.toBytes("colfam1"), Bytes.toBytes("col1"), Bytes.toBytes("val2"));
        table.put(put);

        conn.close();
    }
    
    @org.junit.AfterClass
    public static void cleanup() throws Exception {
        utility.shutdownMiniCluster();
    }
    
    @org.junit.Test
    public void testHBase() throws Exception {
        // Start up the Camel route
        Main main = new Main();
        main.setApplicationContextUri("camel-hbase.xml");
        
        main.start();
        
        // Sleep to allow time to copy the files etc.
        Thread.sleep(10 * 1000);
        
        main.stop();
    }
    
    private static int getFreePort() throws IOException {
        ServerSocket serverSocket = new ServerSocket(0);
        int port = serverSocket.getLocalPort();
        serverSocket.close();
        return port;
    }
}