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/*-
* ============LICENSE_START=======================================================
* openECOMP : APP-C
* ================================================================================
* 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.appc.sdc.listener;
import java.net.URI;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.commons.lang3.concurrent.BasicThreadFactory;
import org.openecomp.appc.adapter.dmaap.EventSender;
import org.openecomp.sdc.api.IDistributionClient;
import org.openecomp.sdc.api.consumer.INotificationCallback;
import org.openecomp.sdc.api.notification.IArtifactInfo;
import org.openecomp.sdc.api.notification.INotificationData;
import org.openecomp.sdc.api.notification.IResourceInstance;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import org.osgi.framework.BundleContext;
import org.osgi.framework.FrameworkUtil;
import org.osgi.framework.ServiceReference;
public class AsdcCallback implements INotificationCallback {
private final EELFLogger logger = EELFManager.getInstance().getLogger(AsdcCallback.class);
private URI storeUri;
private IDistributionClient client;
private EventSender eventSender = null;
private ThreadPoolExecutor executor;
private int threadCount = 10;
private AtomicBoolean isRunning = new AtomicBoolean(false);
public AsdcCallback(URI storeUri, IDistributionClient client) {
this.storeUri = storeUri;
this.client = client;
// Create the thread pool
executor = new ThreadPoolExecutor(threadCount, threadCount, 1, TimeUnit.SECONDS,
new ArrayBlockingQueue<Runnable>(threadCount * 2));
// Custom Named thread factory
BasicThreadFactory threadFactory = new BasicThreadFactory.Builder().namingPattern("Appc-Listener-%d").build();
executor.setThreadFactory(threadFactory);
isRunning.set(true);
}
@Override
public void activateCallback(INotificationData data) {
if (null == eventSender) {
try {
BundleContext bctx = FrameworkUtil.getBundle(EventSender.class).getBundleContext();
ServiceReference sref = bctx.getServiceReference(EventSender.class);
eventSender = (EventSender) bctx.getService(sref);
} catch (Throwable t) {
logger.error("AsdcCallback failed on initializing EventSender", t);
}
}
if (isRunning.get()) {
for (IResourceInstance resource : data.getResources()) {
for (IArtifactInfo artifact : resource.getArtifacts()) {
logger.info(Util.toAsdcStoreDocumentInput(data, resource, artifact, "abc"));
if (executor.getQueue().size() >= threadCount) {
// log warning about job backlog
}
executor.submit(new DownloadAndStoreOp(client, eventSender, data, resource, artifact, storeUri));
}
}
} else {
// TODO - return a failed result so asdc knows we are shut down
}
}
public void stop() {
stop(10);
}
public void stop(int waitSec) {
isRunning.set(false);
logger.info(String.format("Stopping the ASDC listener and waiting up to %ds for %d pending jobs", waitSec,
executor.getQueue().size()));
boolean cleanShutdown = false;
executor.shutdown();
try {
cleanShutdown = executor.awaitTermination(waitSec, TimeUnit.SECONDS);
executor.shutdownNow(); // In case of timeout
} catch (InterruptedException e) {
e.printStackTrace();
}
logger.info(String.format("Attempting to shutdown cleanly: %s", cleanShutdown ? "SUCCESS" : "FAILURE"));
logger.info("Shutdown complete.");
}
}
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