com.cloudera.spark.hbase.example.HBaseBulkPutHdfsTmpExample.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 com.cloudera.spark.hbase.HBaseContext
import org.apache.hadoop.fs.Path
import org.apache.hadoop.hbase.HBaseConfiguration
import org.apache.hadoop.hbase.client.Put
import org.apache.hadoop.hbase.util.Bytes
import org.apache.spark.{SparkConf, SparkContext}

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

    val tableName = args(0);
    val columnFamily = args(1);

    val sparkConf = new SparkConf().setAppName("HBaseBulkPutExample " + tableName + " " + columnFamily)
    val sc = new SparkContext(sparkConf)

    //[(Array[Byte], Array[(Array[Byte], Array[Byte], Array[Byte])])]
    val rdd = sc.parallelize(Array(
      (Bytes.toBytes("1"), Array((Bytes.toBytes(columnFamily), Bytes.toBytes("1"), Bytes.toBytes("1")))),
      (Bytes.toBytes("2"), Array((Bytes.toBytes(columnFamily), Bytes.toBytes("1"), Bytes.toBytes("2")))),
      (Bytes.toBytes("3"), Array((Bytes.toBytes(columnFamily), Bytes.toBytes("1"), Bytes.toBytes("3")))),
      (Bytes.toBytes("4"), Array((Bytes.toBytes(columnFamily), Bytes.toBytes("1"), Bytes.toBytes("4")))),
      (Bytes.toBytes("5"), Array((Bytes.toBytes(columnFamily), Bytes.toBytes("1"), Bytes.toBytes("5"))))
    )
    )

    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, "/tmp/SparkOnHBase.conf");
    hbaseContext.bulkPut[(Array[Byte], Array[(Array[Byte], Array[Byte], Array[Byte])])](rdd,
      tableName,
      (putRecord) => {
        val put = new Put(putRecord._1)
        putRecord._2.foreach((putValue) => put.add(putValue._1, putValue._2, putValue._3))
        put
      },
      true);
	}
}