modify dmaap request way

Issue-ID: HOLMES-71

Change-Id: Ie6bc1234fd0108e651635e8f8bfb45b0dcb4cd13
Signed-off-by: Shiwei Tian <tian.shiwei@zte.com.cn>

1 files changed, 53 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;
+    }
+}