2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.openecomp.sdc.be.workers;
23 import org.openecomp.sdc.be.config.BeEcompErrorManager;
24 import org.openecomp.sdc.common.log.wrappers.Logger;
26 import java.util.concurrent.LinkedBlockingQueue;
27 import java.util.concurrent.TimeUnit;
30 * Created by michael on 6/24/2016.
32 public class Worker<T extends Job<E>, E> implements Runnable {
34 private static final int QUEUE_POLL_TIMEAUT = 500;
35 private String workerName;
36 private LinkedBlockingQueue<T> inputQueue;
38 private LinkedBlockingQueue<E> outputQueue;
40 private static Logger log = Logger.getLogger(Worker.class.getName());
42 public Worker(String workerName, LinkedBlockingQueue<T> inputQueue, LinkedBlockingQueue<E> outputQueue) {
43 this.workerName = workerName;
44 this.inputQueue = inputQueue;
45 this.outputQueue = outputQueue;
53 log.trace("worker:{} doing work", workerName);
54 T job = inputQueue.poll(QUEUE_POLL_TIMEAUT, TimeUnit.MILLISECONDS);
57 log.debug("worker:{} nothing to do");
60 this.outputQueue.put(job.doWork());
61 log.trace("worker:{} done with work", workerName);
63 } catch (Exception e) {
64 BeEcompErrorManager.getInstance().logInternalFlowError("executingJobFailed",
65 "failed during job execution worker" + workerName, BeEcompErrorManager.ErrorSeverity.ERROR);
66 log.debug("worker: {} nothing to do stoping", workerName, e);