Refactor Pap code to use Instant from Date

Issue-ID: POLICY-3069
Signed-off-by: zrrmmua <ramesh.murugan.iyer@est.tech>
Change-Id: I0e1b8ccc41749cd53a299397c8399f833279df59

3 files changed, 10 insertions, 9 deletions

diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/StatisticsRestProvider.java b/main/src/main/java/org/onap/policy/pap/main/rest/StatisticsRestProvider.java
index 9a283391..512dbe76 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/StatisticsRestProvider.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/StatisticsRestProvider.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2020 Nordix Foundation.
+ *  Copyright (C) 2020-2021 Nordix Foundation.
  *  Modifications Copyright (C) 2019 AT&T Intellectual Property.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -21,8 +21,8 @@
 
 package org.onap.policy.pap.main.rest;
 
+import java.time.Instant;
 import java.util.ArrayList;
-import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -86,8 +86,8 @@ public class StatisticsRestProvider {
                 Registry.get(PapConstants.REG_PAP_DAO_FACTORY, PolicyModelsProviderFactoryWrapper.class);
         Map<String, Map<String, List<PdpStatistics>>> pdpStatisticsMap;
         try (PolicyModelsProvider databaseProvider = modelProviderWrapper.create()) {
-            Date startTime = null;
-            Date endTime = null;
+            Instant startTime = null;
+            Instant endTime = null;
 
             if (groupName == null) {
                 pdpStatisticsMap = generatePdpStatistics(databaseProvider.getPdpStatistics(pdpName, startTime));
diff --git a/main/src/test/java/org/onap/policy/pap/main/comm/PdpHeartbeatListenerTest.java b/main/src/test/java/org/onap/policy/pap/main/comm/PdpHeartbeatListenerTest.java
index 1fdbfe65..01edbdcf 100644
--- a/main/src/test/java/org/onap/policy/pap/main/comm/PdpHeartbeatListenerTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/comm/PdpHeartbeatListenerTest.java
@@ -25,6 +25,7 @@ import static org.junit.Assert.assertEquals;
 
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
+import java.time.Instant;
 import java.util.Arrays;
 import java.util.Date;
 import java.util.List;
@@ -57,7 +58,7 @@ public class PdpHeartbeatListenerTest extends End2EndBase {
     private static final CommInfrastructure INFRA = CommInfrastructure.NOOP;
     private static final String TOPIC = "my-topic";
 
-    private Date timeStamp;
+    private Instant timeStamp;
     private PdpHeartbeatListener pdpHeartbeatListener;
 
     @Test
@@ -207,7 +208,7 @@ public class PdpHeartbeatListenerTest extends End2EndBase {
     public void testPdpStatistics() throws CoderException, PfModelException, ParseException {
         addGroups("PdpGroups.json");
         pdpHeartbeatListener = new PdpHeartbeatListener(new PdpParameters());
-        timeStamp = new SimpleDateFormat("yyyy-MM-dd").parse("2020-01-01");
+        timeStamp = Instant.parse("2021-02-12T17:48:01.029211400Z");
 
         // init default pdp group
         final PdpStatus status1 = new PdpStatus();
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/StatisticsTest.java b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/StatisticsTest.java
index 75aafba6..2f6cc3a1 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/StatisticsTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/StatisticsTest.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2020 Nordix Foundation.
+ * Modifications Copyright (C) 2020-2021 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,8 +24,8 @@ package org.onap.policy.pap.main.rest.e2e;
 import static org.junit.Assert.assertEquals;
 
 import java.net.HttpURLConnection;
+import java.time.Instant;
 import java.util.ArrayList;
-import java.util.Date;
 import java.util.List;
 import java.util.Map;
 import javax.ws.rs.client.Invocation;
@@ -117,7 +117,7 @@ public class StatisticsTest extends End2EndBase {
             pdpStatisticsRecord.setPdpGroupName("defaultGroup");
             pdpStatisticsRecord.setPdpSubGroupName("apex");
             pdpStatisticsRecord.setPdpInstanceId("pdp1");
-            pdpStatisticsRecord.setTimeStamp(new Date());
+            pdpStatisticsRecord.setTimeStamp(Instant.now());
             pdpStatisticsRecord.setPolicyDeployCount(1);
             pdpStatisticsRecord.setPolicyDeployFailCount(0);
             pdpStatisticsRecord.setPolicyDeploySuccessCount(1);