| /* |
| * 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.hadoop.hbase.spark.example.hbasecontext; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.HBaseConfiguration; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.client.Put; |
| import org.apache.hadoop.hbase.spark.JavaHBaseContext; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.apache.spark.SparkConf; |
| import org.apache.spark.api.java.JavaSparkContext; |
| import org.apache.spark.api.java.function.Function; |
| import org.apache.spark.streaming.Duration; |
| import org.apache.spark.streaming.api.java.JavaReceiverInputDStream; |
| import org.apache.spark.streaming.api.java.JavaStreamingContext; |
| import org.apache.yetus.audience.InterfaceAudience; |
| |
| /** |
| * This is a simple example of BulkPut with Spark Streaming |
| */ |
| @InterfaceAudience.Private |
| final public class JavaHBaseStreamingBulkPutExample { |
| |
| private JavaHBaseStreamingBulkPutExample() {} |
| |
| public static void main(String[] args) { |
| if (args.length < 4) { |
| System.out.println("JavaHBaseBulkPutExample " + |
| "{host} {port} {tableName}"); |
| return; |
| } |
| |
| String host = args[0]; |
| String port = args[1]; |
| String tableName = args[2]; |
| |
| SparkConf sparkConf = |
| new SparkConf().setAppName("JavaHBaseStreamingBulkPutExample " + |
| tableName + ":" + port + ":" + tableName); |
| |
| JavaSparkContext jsc = new JavaSparkContext(sparkConf); |
| |
| try { |
| JavaStreamingContext jssc = |
| new JavaStreamingContext(jsc, new Duration(1000)); |
| |
| JavaReceiverInputDStream<String> javaDstream = |
| jssc.socketTextStream(host, Integer.parseInt(port)); |
| |
| Configuration conf = HBaseConfiguration.create(); |
| |
| JavaHBaseContext hbaseContext = new JavaHBaseContext(jsc, conf); |
| |
| hbaseContext.streamBulkPut(javaDstream, |
| TableName.valueOf(tableName), |
| new PutFunction()); |
| } finally { |
| jsc.stop(); |
| } |
| } |
| |
| public static class PutFunction implements Function<String, Put> { |
| |
| private static final long serialVersionUID = 1L; |
| |
| public Put call(String v) throws Exception { |
| String[] part = v.split(","); |
| Put put = new Put(Bytes.toBytes(part[0])); |
| |
| put.addColumn(Bytes.toBytes(part[1]), |
| Bytes.toBytes(part[2]), |
| Bytes.toBytes(part[3])); |
| return put; |
| } |
| |
| } |
| } |