| /** |
| * 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.apex.malhar.contrib.zmq; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.zeromq.ZMQ; |
| |
| import org.apache.apex.malhar.contrib.helper.MessageQueueTestHelper; |
| |
| class ZeroMQMessageGenerator |
| { |
| private static final Logger logger = LoggerFactory.getLogger(ZeroMQMessageGenerator.class); |
| |
| private ZMQ.Context context; |
| private ZMQ.Socket publisher; |
| private ZMQ.Socket syncservice; |
| private final int SUBSCRIBERS_EXPECTED = 1; |
| |
| String pubAddr = "tcp://*:5556"; |
| String syncAddr = "tcp://*:5557"; |
| |
| public void setup() |
| { |
| context = ZMQ.context(1); |
| logger.debug("Publishing on ZeroMQ"); |
| publisher = context.socket(ZMQ.PUB); |
| publisher.bind(pubAddr); |
| syncservice = context.socket(ZMQ.REP); |
| syncservice.bind(syncAddr); |
| } |
| |
| public void send(Object message) |
| { |
| String msg = message.toString(); |
| publisher.send(msg.getBytes(), 0); |
| } |
| |
| public void teardown() |
| { |
| publisher.close(); |
| context.term(); |
| } |
| |
| public void generateMessages(int msgCount) throws InterruptedException |
| { |
| for (int subscribers = 0; subscribers < SUBSCRIBERS_EXPECTED; subscribers++) { |
| byte[] value = syncservice.recv(0); |
| syncservice.send("".getBytes(), 0); |
| } |
| for (int i = 0; i < msgCount; i++) { |
| ArrayList<HashMap<String, Integer>> dataMaps = MessageQueueTestHelper.getMessages(); |
| for (int j = 0; j < dataMaps.size(); j++) { |
| send(dataMaps.get(j)); |
| } |
| } |
| } |
| } |
| |