[POLICY-73] replace openecomp for policy-engine

Change-Id: I54072f6bcd388c0e05562614ee89b4ae7ad67004
Signed-off-by: Guo Ruijing <ruijing.guo@intel.com>
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>

1 files changed, 162 insertions, 0 deletions

diff --git a/ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/jmx/PdpRestMonitor.java b/ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/jmx/PdpRestMonitor.java
new file mode 100644
index 000000000..cdeec9acb
--- /dev/null
+++ b/ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/jmx/PdpRestMonitor.java
@@ -0,0 +1,162 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP-PDP-REST
+ * ================================================================================
+ * 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.onap.policy.pdp.rest.jmx;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.atomic.AtomicLong;
+
+import org.onap.policy.xacml.util.MetricsUtil.AvgLatency;
+import org.onap.policy.xacml.util.MetricsUtil.MaxLatency;
+import org.onap.policy.xacml.util.MetricsUtil.MinLatency;
+
+public class PdpRestMonitor implements PdpRestMonitorMBean {	
+	private static PdpRestMonitor singleton = new PdpRestMonitor();
+	
+	private final AtomicLong pdpEvaluationAttempts = new AtomicLong();
+	private final AtomicLong pdpEvaluationSuccesses = new AtomicLong();
+	private final AtomicLong pdpEvaluationNA = new AtomicLong();
+	private final AtomicLong pdpEvaluationPermit = new AtomicLong();
+	private final AtomicLong pdpEvaluationDeny = new AtomicLong();
+	private final Map<String, Integer> policyCount = new HashMap<>();
+	
+	private final MinLatency pdpEngineDecisionMinLatency = new MinLatency();
+	private final MaxLatency pdpEngineDecisionMaxLatency = new MaxLatency();
+	private final AvgLatency pdpEngineDecisionAvgLatency =  new AvgLatency();
+	
+	private volatile long lastDecisionLatency = 0;
+	
+	@Override
+	public long getPdpEvaluationAttempts() {
+		return pdpEvaluationAttempts.longValue();
+	}
+	@Override
+	public long getPdpEvaluationPermit() {
+		return pdpEvaluationPermit.longValue();
+	}
+	@Override
+	public long getPdpEvaluationDeny() {
+		return pdpEvaluationDeny.longValue();
+	}
+	@Override
+	public long getPdpEvaluationSuccesses() {
+		return pdpEvaluationSuccesses.longValue();
+	}
+
+	@Override
+	public long getpdpEvaluationNA() {
+		return pdpEvaluationNA.longValue();
+	}
+	@Override
+	public long getLastDecisionLatency() {
+		return lastDecisionLatency;
+	}
+	
+	/**
+	 * @return the pdpEngineDecisionMinLatency
+	 */
+	@Override
+	public long getPdpEngineDecisionMinLatency() {
+		return pdpEngineDecisionMinLatency.min();
+	}
+
+	/**
+	 * @return the pdpEngineDecisionMaxLatency
+	 */
+	@Override
+	public long getPdpEngineDecisionMaxLatency() {
+		return pdpEngineDecisionMaxLatency.max();
+	}
+
+	/**
+	 * @return the pdpEngineDecisionAvgLatency
+	 */
+	@Override
+	public long getPdpEngineDecisionAvgLatency() {
+		return pdpEngineDecisionAvgLatency.avg();
+	}
+
+	@Override
+	public synchronized void resetLatency() {
+		this.lastDecisionLatency = 0;
+		this.pdpEngineDecisionMinLatency.reset();
+		this.pdpEngineDecisionMaxLatency.reset();
+		this.pdpEngineDecisionAvgLatency.reset();
+	}
+	
+	@Override
+	public synchronized void resetCounters() {
+		this.pdpEvaluationAttempts.set(0);
+		this.pdpEvaluationSuccesses.set(0);
+		this.pdpEvaluationNA.set(0);
+		this.policyCount.clear();
+	}
+	
+	public void pdpEvaluationAttempts() {
+		pdpEvaluationAttempts.incrementAndGet();
+	}
+	
+	public void pdpEvaluationSuccess() {
+		pdpEvaluationSuccesses.incrementAndGet();		
+	}
+	
+	public void pdpEvaluationNA(){
+		pdpEvaluationNA.incrementAndGet();
+	}
+	public void pdpEvaluationPermit(){
+		pdpEvaluationPermit.incrementAndGet();
+	}
+	public void pdpEvaluationDeny(){
+		pdpEvaluationDeny.incrementAndGet();
+	}
+	
+	public synchronized void computeLatency(long latency) {
+		this.lastDecisionLatency = latency;
+		this.pdpEngineDecisionMinLatency.compute(latency);
+		this.pdpEngineDecisionMaxLatency.compute(latency);
+		this.pdpEngineDecisionAvgLatency.compute(latency);
+	}
+
+	public void policyCountAdd(String policyID, Integer count){
+		int countValue = count;
+		if (policyCount.containsKey(policyID)){
+			countValue = countValue + policyCount.get(policyID);		
+		}
+		policyCount.put(policyID, countValue);
+	}
+	public Map<String, Integer> getpolicyMap() {
+		return policyCount;
+	}
+	public Integer getpolicyCount(String policyID) {
+		if (policyCount.containsKey(policyID)){
+			return policyCount.get(policyID);
+		}
+		return null;
+	}
+	
+	public static PdpRestMonitor getSingleton() {
+		return singleton;
+	}
+	public static void setSingleton(PdpRestMonitor singleton) {
+		PdpRestMonitor.singleton = singleton;
+	}
+
+}