| /** |
| * 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.datatorrent.contrib.kinesis; |
| |
| import com.amazonaws.auth.AWSCredentialsProvider; |
| import com.amazonaws.auth.DefaultAWSCredentialsProviderChain; |
| import com.amazonaws.services.kinesis.AmazonKinesisClient; |
| import com.amazonaws.services.kinesis.model.*; |
| |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| import java.util.List; |
| /** |
| * A kinesis producer for testing |
| */ |
| public class KinesisTestProducer implements Runnable |
| { |
| protected String streamName; |
| protected transient AmazonKinesisClient client = null; |
| |
| private int sendCount = 20; |
| private int batchSize = 92; |
| List<PutRecordsRequestEntry> putRecordsRequestEntryList = new ArrayList<PutRecordsRequestEntry>(); |
| private boolean hasPartition = false; |
| private List<String> records; |
| |
| public void setRecords(List<String> records) { |
| this.records = records; |
| } |
| |
| private void createClient() |
| { |
| AWSCredentialsProvider credentials = new DefaultAWSCredentialsProviderChain(); |
| client = new AmazonKinesisClient(credentials); |
| } |
| |
| public KinesisTestProducer(String topic) |
| { |
| this(topic, false); |
| } |
| |
| public KinesisTestProducer(String topic, boolean hasPartition) |
| { |
| this.streamName = topic; |
| this.hasPartition = hasPartition; |
| createClient(); |
| } |
| |
| private void generateRecords() |
| { |
| // Create dummy message |
| int recordNo = 1; |
| while (recordNo <= sendCount) { |
| String dataStr = "Record_" + recordNo; |
| PutRecordsRequestEntry putRecordsEntry = new PutRecordsRequestEntry(); |
| putRecordsEntry.setData(ByteBuffer.wrap(dataStr.getBytes())); |
| putRecordsEntry.setPartitionKey(dataStr); |
| putRecordsRequestEntryList.add(putRecordsEntry); |
| if( (putRecordsRequestEntryList.size() == batchSize) || (recordNo == sendCount )) |
| { |
| PutRecordsRequest putRecordsRequest = new PutRecordsRequest(); |
| putRecordsRequest.setStreamName(streamName); |
| putRecordsRequest.setRecords(putRecordsRequestEntryList); |
| client.putRecords(putRecordsRequest); |
| putRecordsRequestEntryList.clear(); |
| } |
| recordNo++; |
| } |
| } |
| |
| @Override |
| public void run() |
| { |
| if (records == null) { |
| generateRecords(); |
| } else { |
| for (String msg : records) { |
| PutRecordRequest putRecordRequest = new PutRecordRequest(); |
| putRecordRequest.setStreamName(streamName); |
| putRecordRequest.setData(ByteBuffer.wrap(msg.getBytes())); |
| putRecordRequest.setPartitionKey(msg); |
| client.putRecord(putRecordRequest); |
| } |
| } |
| } |
| |
| public int getBatchSize() |
| { |
| return batchSize; |
| } |
| |
| public void setBatchSize(int batchSize) |
| { |
| this.batchSize = batchSize; |
| } |
| |
| public int getSendCount() |
| { |
| return sendCount; |
| } |
| |
| public void setSendCount(int sendCount) |
| { |
| this.sendCount = sendCount; |
| } |
| } // End of KinesisTestProducer |