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/*
* ============LICENSE_START=======================================================
* ONAP : ccsdk features
* ================================================================================
* Copyright (C) 2019 highstreet technologies GmbH Intellectual Property.
* All rights reserved.
* ================================================================================
* Update Copyright (C) 2020 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.onap.ccsdk.features.sdnr.wt.mountpointstateprovider.impl;
import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.NetconfNetworkElementService;
import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.VESCollectorCfgService;
import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.VESCollectorConfigChangeListener;
import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.VESCollectorService;
import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.NetconfNodeStateService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class MountpointStateProviderImpl implements VESCollectorConfigChangeListener, AutoCloseable {
private static final Logger LOG = LoggerFactory.getLogger(MountpointStateProviderImpl.class);
private static final String APPLICATION_NAME = "mountpoint-state-provider";
private NetconfNodeStateService netconfNodeStateService;
private NetconfNetworkElementService netconfNetworkElementService;
private MountpointNodeConnectListenerImpl nodeConnectListener;
private MountpointNodeStateListenerImpl nodeStateListener;
private MountpointStatePublisher mountpointStatePublisher;
private VESCollectorService vesCollectorService;
private boolean vesCollectorEnabledCV = false; //Current value
public MountpointStateProviderImpl() {
LOG.info("Creating provider class for {}", APPLICATION_NAME);
nodeConnectListener = null;
nodeStateListener = null;
}
public void setNetconfNodeStateService(NetconfNodeStateService netconfNodeStateService) {
this.netconfNodeStateService = netconfNodeStateService;
}
public void setNetconfNetworkElementService(NetconfNetworkElementService netconfNetworkElementService) {
this.netconfNetworkElementService = netconfNetworkElementService;
}
public void init() {
LOG.info("Init call for {}", APPLICATION_NAME);
nodeConnectListener = new MountpointNodeConnectListenerImpl(netconfNodeStateService);
nodeStateListener = new MountpointNodeStateListenerImpl(netconfNodeStateService);
vesCollectorService = netconfNetworkElementService.getServiceProvider().getVESCollectorService();
vesCollectorService.registerForChanges(this);
boolean vesCollectorEnabled = vesCollectorService.getConfig().isVESCollectorEnabled();
if (vesCollectorEnabled) {
startPublishing();
}
}
/**
* Reflect status for Unit Tests
*
* @return Text with status
*/
public String isInitializationOk() {
return "No implemented";
}
public void startPublishing() {
mountpointStatePublisher = new MountpointStatePublisher(
netconfNetworkElementService.getServiceProvider().getVESCollectorService());
Thread t = new Thread(mountpointStatePublisher);
t.start();
nodeConnectListener.start(mountpointStatePublisher);
nodeStateListener.start(mountpointStatePublisher);
}
public void stopPublishing() throws Exception {
mountpointStatePublisher.stop();
close(nodeConnectListener, nodeStateListener);
}
@Override
public void close() throws Exception {
LOG.info("{} closing ...", this.getClass().getName());
mountpointStatePublisher.stop();
vesCollectorService.deregister(this);
close(nodeConnectListener, nodeStateListener);
LOG.info("{} closing done", APPLICATION_NAME);
}
/**
* Used to close all Services, that should support AutoCloseable Pattern
*
* @param toClose
* @throws Exception
*/
private void close(AutoCloseable... toCloseList) throws Exception {
for (AutoCloseable element : toCloseList) {
if (element != null) {
element.close();
}
}
}
@Override
public void notify(VESCollectorCfgService cfg) {
boolean vesCollectorEnabledPV = cfg.isVESCollectorEnabled(); // Pending value a.k.a new value
if (vesCollectorEnabledPV != vesCollectorEnabledCV) {
vesCollectorEnabledCV = vesCollectorEnabledPV;
if (vesCollectorEnabledPV) {
startPublishing();
} else {
try {
stopPublishing();
} catch (Exception e) {
LOG.debug("{}", e);
}
}
}
}
}
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