1 files changed, 70 insertions, 0 deletions
diff --git a/common-be/src/main/java/org/openecomp/sdc/be/workers/Worker.java b/common-be/src/main/java/org/openecomp/sdc/be/workers/Worker.java
new file mode 100644
index 0000000000..83be4b2ee5
--- /dev/null
+++ b/common-be/src/main/java/org/openecomp/sdc/be/workers/Worker.java
@@ -0,0 +1,70 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.be.workers;
+
+import org.openecomp.sdc.be.config.BeEcompErrorManager;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Created by michael on 6/24/2016.
+ */
+public class Worker<T extends Job<E>, E> implements Runnable {
+
+	private String workerName;
+	private LinkedBlockingQueue<T> inputQueue;
+
+	private LinkedBlockingQueue<E> outputQueue;
+
+	private static Logger log = LoggerFactory.getLogger(Worker.class.getName());
+
+	public Worker(String workerName, LinkedBlockingQueue<T> inputQueue, LinkedBlockingQueue<E> outputQueue) {
+		this.workerName = workerName;
+		this.inputQueue = inputQueue;
+		this.outputQueue = outputQueue;
+	}
+
+	@Override
+	public void run() {
+
+		try {
+			while (true) {
+				log.trace("worker:{} doing work", workerName);
+				T job = inputQueue.poll(500, TimeUnit.MILLISECONDS);
+				if (job == null) {
+
+					log.debug("worker:{} nothing to do");
+					break;
+				}
+				this.outputQueue.put(job.doWork());
+				log.trace("worker:{} done with work", workerName);
+			}
+		} catch (Exception e) {
+			BeEcompErrorManager.getInstance().logInternalFlowError("executingJobFailed",
+					"failed during job execution worker" + workerName, BeEcompErrorManager.ErrorSeverity.ERROR);
+			log.debug("worker:" + workerName + " nothing to do stoping", e);
+		}
+	}
+
+}