com.cloudera.spark.hbase.example.HBaseStreamingBulkPutExample.scala Maven / Gradle / Ivy

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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 com.cloudera.spark.hbase.example

import org.apache.spark.SparkContext
import org.apache.hadoop.hbase.HBaseConfiguration
import org.apache.hadoop.fs.Path
import org.apache.hadoop.hbase.util.Bytes
import org.apache.hadoop.hbase.client.Put
import org.apache.spark.streaming.StreamingContext
import org.apache.spark.streaming.Seconds
import org.apache.spark.SparkConf
import com.cloudera.spark.hbase.HBaseContext

object HBaseStreamingBulkPutExample {
  def main(args: Array[String]) {
    if (args.length == 0) {
      System.out.println("HBaseStreamingBulkPutExample {host} {port} {tableName} {columnFamily}");
      return;
    }

    val host = args(0);
    val port = args(1);
    val tableName = args(2);
    val columnFamily = args(3);

    println("host:" + host)
    println("port:" + Integer.parseInt(port))
    println("tableName:" + tableName)
    println("columnFamily:" + columnFamily)

    val sparkConf = new SparkConf().setAppName("HBaseBulkPutTimestampExample " + tableName + " " + columnFamily)
    sparkConf.set("spark.cleaner.ttl", "120000");
    val sc = new SparkContext(sparkConf)

    val ssc = new StreamingContext(sc, Seconds(1))

    val lines = ssc.socketTextStream(host, port.toInt)

    val conf = HBaseConfiguration.create();
    conf.addResource(new Path("/etc/hbase/conf/core-site.xml"));
    conf.addResource(new Path("/etc/hbase/conf/hbase-site.xml"));

    val hbaseContext = new HBaseContext(sc, conf);

    hbaseContext.streamBulkPut[String](lines,
      tableName,
      (putRecord) => {
        if (putRecord.length() > 0) {
          val put = new Put(Bytes.toBytes(putRecord))
          put.add(Bytes.toBytes("c"), Bytes.toBytes("foo"), Bytes.toBytes("bar"))
          put
        } else {
          null
        }
      },
      false);

    ssc.start();
      
      
  }
}