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-rw-r--r--engine-d/src/main/java/org/onap/holmes/engine/dmaappolling/DMaaPPollingRequest.java47
-rw-r--r--engine-d/src/main/java/org/onap/holmes/engine/dmaappolling/SubscriberAction.java51
2 files changed, 98 insertions, 0 deletions
diff --git a/engine-d/src/main/java/org/onap/holmes/engine/dmaappolling/DMaaPPollingRequest.java b/engine-d/src/main/java/org/onap/holmes/engine/dmaappolling/DMaaPPollingRequest.java
new file mode 100644
index 0000000..24e0817
--- /dev/null
+++ b/engine-d/src/main/java/org/onap/holmes/engine/dmaappolling/DMaaPPollingRequest.java
@@ -0,0 +1,47 @@
+/*
+ * 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.dmaappolling;
+
+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 DMaaPPollingRequest implements Runnable {
+
+ private Subscriber subscriber;
+
+ private DroolsEngine droolsEngine;
+
+ public DMaaPPollingRequest(Subscriber subscriber, DroolsEngine droolsEngine) {
+ this.subscriber = subscriber;
+ this.droolsEngine = droolsEngine;
+ }
+
+ public void run() {
+ 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));
+ }
+}
diff --git a/engine-d/src/main/java/org/onap/holmes/engine/dmaappolling/SubscriberAction.java b/engine-d/src/main/java/org/onap/holmes/engine/dmaappolling/SubscriberAction.java
new file mode 100644
index 0000000..1e71899
--- /dev/null
+++ b/engine-d/src/main/java/org/onap/holmes/engine/dmaappolling/SubscriberAction.java
@@ -0,0 +1,51 @@
+/*
+ * 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.dmaappolling;
+
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.TimeUnit;
+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 ConcurrentHashMap<String, ScheduledFuture> pollingRequests = new ConcurrentHashMap<String, ScheduledFuture>();
+ private ScheduledExecutorService service = Executors.newSingleThreadScheduledExecutor();
+
+ public void addSubscriber(Subscriber subscriber) {
+ DMaaPPollingRequest pollingTask = new DMaaPPollingRequest(subscriber, droolsEngine);
+ ScheduledFuture future = service
+ .scheduleAtFixedRate(pollingTask, 0, subscriber.getPeriod(), TimeUnit.MILLISECONDS);
+ pollingRequests.put(subscriber.getTopic(), future);
+ }
+
+ public void removeSubscriber(Subscriber subscriber) {
+ ScheduledFuture future = pollingRequests.get(subscriber.getTopic());
+ if (future != null) {
+ future.cancel(true);
+ }
+ pollingRequests.remove(subscriber.getTopic());
+ }
+}