1 files changed, 90 insertions, 0 deletions
diff --git a/common-logging/src/main/java/org/openecomp/policy/common/logging/eelf/EventTrackInfo.java b/common-logging/src/main/java/org/openecomp/policy/common/logging/eelf/EventTrackInfo.java
new file mode 100644
index 00000000..c6ed63d4
--- /dev/null
+++ b/common-logging/src/main/java/org/openecomp/policy/common/logging/eelf/EventTrackInfo.java
@@ -0,0 +1,90 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ECOMP-Logging
+ * ================================================================================
+ * 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.policy.common.logging.eelf;
+
+import java.io.IOException;
+import java.time.Instant;
+import java.util.Properties;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.openecomp.policy.common.logging.flexlogger.PropertyUtil;
+
+/**
+ * 
+ * EventTrackInfo contains a ConcurrentHashMap of EventData
+ *
+ */
+public class EventTrackInfo {
+
+    private ConcurrentHashMap<String, EventData> eventInfo = null;    
+       
+	public EventTrackInfo() {
+		/*
+		 * An initial capacity of 16 ensures the number of elements before resizing happens
+		 * Load factor of 0,9 ensures a dense packaging inside ConcurrentHashMap which will optimize memory use
+		 * ConcurencyLevel set to 1 will ensure that only one shard is created and maintained 
+		 */
+		eventInfo = new ConcurrentHashMap<String, EventData>(16, 0.9f, 1);	
+	}
+   
+	/**
+	 * Returns an instance of EventData associated to this requestID
+	 * @param requestID
+	 * @return EventData
+	 */
+	public EventData getEventDataByRequestID(String requestID){
+		return eventInfo.get(requestID);
+	}
+	
+	/**
+	 * Stores an EventData object in a ConcurrentHashMap using its requestID as key.
+	 * @param event
+	 */
+	public void storeEventData(EventData event){
+		
+		if(event == null || event.getRequestID() == null || event.getRequestID().isEmpty()){
+			return;
+		}
+		//in case override the start time, check the original event was already stored or not 
+		if(!eventInfo.containsKey(event.getRequestID())){
+			eventInfo.put(event.getRequestID(), event);		
+		}
+	}
+	
+	/**
+	 * Removes an EventData object from a ConcurrentHashMap using the eventId as key. 
+	 * @param eventId
+	 */
+	public void remove(String eventId){
+		if(eventInfo != null){
+			eventInfo.remove(eventId);
+		}
+	}
+	
+	/**
+	 * Returns a ConcurrentHashMap of EventData
+	 */
+	public ConcurrentHashMap<String, EventData> getEventInfo() {
+		return eventInfo;
+	}
+
+}