diff options
Diffstat (limited to 'engine-d/src/main/java/org/onap/holmes/engine/dmaap')
-rw-r--r-- | engine-d/src/main/java/org/onap/holmes/engine/dmaap/DMaaPAlarmPolling.java | 53 | ||||
-rw-r--r-- | engine-d/src/main/java/org/onap/holmes/engine/dmaap/SubscriberAction.java | 61 |
2 files changed, 114 insertions, 0 deletions
diff --git a/engine-d/src/main/java/org/onap/holmes/engine/dmaap/DMaaPAlarmPolling.java b/engine-d/src/main/java/org/onap/holmes/engine/dmaap/DMaaPAlarmPolling.java new file mode 100644 index 0000000..52f3915 --- /dev/null +++ b/engine-d/src/main/java/org/onap/holmes/engine/dmaap/DMaaPAlarmPolling.java @@ -0,0 +1,53 @@ +/* + * Copyright 2017 ZTE Corporation. + * + * 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. + */ +package org.onap.holmes.engine.dmaap; + +import java.util.ArrayList; +import java.util.List; +import lombok.extern.slf4j.Slf4j; +import org.onap.holmes.common.api.stat.VesAlarm; +import org.onap.holmes.common.exception.CorrelationException; +import org.onap.holmes.dsa.dmaappolling.Subscriber; +import org.onap.holmes.engine.manager.DroolsEngine; + +@Slf4j +public class DMaaPAlarmPolling implements Runnable { + + private Subscriber subscriber; + private DroolsEngine droolsEngine; + private volatile boolean isAlive = true; + + public DMaaPAlarmPolling(Subscriber subscriber, DroolsEngine droolsEngine) { + this.subscriber = subscriber; + this.droolsEngine = droolsEngine; + } + + public void run() { + while (isAlive) { + List<VesAlarm> vesAlarmList = new ArrayList<>(); + try { + vesAlarmList = subscriber.subscribe(); + } catch (CorrelationException e) { + log.error("Failed polling request alarm." + e.getMessage()); + } + vesAlarmList.forEach(vesAlarm -> droolsEngine.putRaisedIntoStream(vesAlarm)); + } + } + + public void stopTask() { + isAlive = false; + } +} diff --git a/engine-d/src/main/java/org/onap/holmes/engine/dmaap/SubscriberAction.java b/engine-d/src/main/java/org/onap/holmes/engine/dmaap/SubscriberAction.java new file mode 100644 index 0000000..8d80a6b --- /dev/null +++ b/engine-d/src/main/java/org/onap/holmes/engine/dmaap/SubscriberAction.java @@ -0,0 +1,61 @@ +/* + * Copyright 2017 ZTE Corporation. + * + * 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. + */ +package org.onap.holmes.engine.dmaap; + +import java.util.HashMap; +import java.util.Iterator; +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; +import javax.annotation.PreDestroy; +import javax.inject.Inject; +import org.jvnet.hk2.annotations.Service; +import org.onap.holmes.dsa.dmaappolling.Subscriber; +import org.onap.holmes.engine.manager.DroolsEngine; + +@Service +public class SubscriberAction { + + @Inject + private DroolsEngine droolsEngine; + private HashMap<String, DMaaPAlarmPolling> pollingTasks = new HashMap<>(); + + public synchronized void addSubscriber(Subscriber subscriber) { + if (!pollingTasks.containsKey(subscriber.getTopic())) { + DMaaPAlarmPolling pollingTask = new DMaaPAlarmPolling(subscriber, droolsEngine); + Thread thread = new Thread(pollingTask); + thread.start(); + pollingTasks.put(subscriber.getTopic(), pollingTask); + } + } + + public synchronized void removeSubscriber(Subscriber subscriber) { + if (pollingTasks.containsKey(subscriber.getTopic())) { + pollingTasks.get(subscriber.getTopic()).stopTask(); + pollingTasks.remove(subscriber.getTopic()); + } + } + + @PreDestroy + public void stopPollingTasks() { + Iterator iterator = pollingTasks.entrySet().iterator(); + while (iterator.hasNext()) { + Map.Entry entry = (Map.Entry)iterator.next(); + String key = (String) entry.getKey(); + pollingTasks.get(key).stopTask(); + } + pollingTasks.clear(); + } +} |