Refactor timestamp property in policy models to use Instant

Updated JPA classes to use java.sql.TImestamp rather than Instant.

Issue-ID: POLICY-3069
Signed-off-by: zrrmmua <ramesh.murugan.iyer@est.tech>
Change-Id: If5b874ec96931d4b8dd142d46a9980e83a4708fc

3 files changed, 40 insertions, 33 deletions

diff --git a/models-provider/src/test/java/org/onap/policy/models/provider/impl/DatabasePolicyModelsProviderTest.java b/models-provider/src/test/java/org/onap/policy/models/provider/impl/DatabasePolicyModelsProviderTest.java
index 4f574906a..0cdd1bc40 100644
--- a/models-provider/src/test/java/org/onap/policy/models/provider/impl/DatabasePolicyModelsProviderTest.java
+++ b/models-provider/src/test/java/org/onap/policy/models/provider/impl/DatabasePolicyModelsProviderTest.java
@@ -29,8 +29,8 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 
+import java.time.Instant;
 import java.util.ArrayList;
-import java.util.Date;
 import java.util.List;
 import org.junit.Before;
 import org.junit.Test;
@@ -75,7 +75,7 @@ public class DatabasePolicyModelsProviderTest {
 
     private static final String VERSION_100 = "1.0.0";
 
-    private static final Date TIMESTAMP = new Date();
+    private static final Instant TIMESTAMP = Instant.EPOCH;
 
     private static final String ORDER = "DESC";
 
@@ -370,7 +370,7 @@ public class DatabasePolicyModelsProviderTest {
 
         PdpStatistics pdpStatistics = new PdpStatistics();
         pdpStatistics.setPdpInstanceId(NAME);
-        pdpStatistics.setTimeStamp(new Date());
+        pdpStatistics.setTimeStamp(TIMESTAMP);
         pdpStatistics.setPdpGroupName(GROUP);
         pdpStatistics.setPdpSubGroupName("type");
         ArrayList<PdpStatistics> statisticsArrayList = new ArrayList<>();
@@ -403,31 +403,34 @@ public class DatabasePolicyModelsProviderTest {
         assertEquals(1, databaseProvider.updatePdpStatistics(statisticsArrayList).size());
 
         assertEquals(NAME, databaseProvider.getPdpStatistics(null, null).get(0).getPdpInstanceId());
-        assertEquals(NAME, databaseProvider.getFilteredPdpStatistics(null, GROUP, null, null, null, ORDER, 0).get(0)
-                .getPdpInstanceId());
+        assertEquals(NAME, databaseProvider.getFilteredPdpStatistics(null, GROUP, null,
+            null, null, ORDER, 0).get(0).getPdpInstanceId());
+        assertEquals(0, databaseProvider.getFilteredPdpStatistics(null, GROUP, null,
+            Instant.now(), null, ORDER, 0).size());
+        assertEquals(NAME, databaseProvider.getFilteredPdpStatistics(null, GROUP, null,
+            null, TIMESTAMP, ORDER, 0).get(0).getPdpInstanceId());
         assertEquals(0,
-                databaseProvider.getFilteredPdpStatistics(null, GROUP, null, new Date(), null, ORDER, 0).size());
-        assertEquals(NAME, databaseProvider.getFilteredPdpStatistics(null, GROUP, null, null, new Date(), ORDER, 0)
-                .get(0).getPdpInstanceId());
-        assertEquals(0,
-                databaseProvider.getFilteredPdpStatistics(null, GROUP, null, new Date(), new Date(), ORDER, 0).size());
+                databaseProvider.getFilteredPdpStatistics(null, GROUP, null, Instant.now(),
+                    Instant.now(), ORDER, 0).size());
 
-        assertEquals(NAME, databaseProvider.getFilteredPdpStatistics(NAME, GROUP, null, null, null, ORDER, 0).get(0)
-                .getPdpInstanceId());
+        assertEquals(NAME, databaseProvider.getFilteredPdpStatistics(NAME, GROUP, null, null,
+            null, ORDER, 0).get(0).getPdpInstanceId());
         assertEquals(0,
-                databaseProvider.getFilteredPdpStatistics(NAME, GROUP, null, new Date(), new Date(), ORDER, 0).size());
+                databaseProvider.getFilteredPdpStatistics(NAME, GROUP, null, Instant.now(), Instant.now(),
+                    ORDER, 0).size());
+
+        assertEquals(NAME, databaseProvider.getFilteredPdpStatistics(NAME, GROUP, "type",
+            null, null, ORDER, 0).get(0).getPdpInstanceId());
 
-        assertEquals(NAME, databaseProvider.getFilteredPdpStatistics(NAME, GROUP, "type", null, null, ORDER, 0).get(0)
-                .getPdpInstanceId());
-        assertEquals(0, databaseProvider.getFilteredPdpStatistics(NAME, GROUP, "type", new Date(), new Date(), ORDER, 0)
-                .size());
+        assertEquals(0, databaseProvider.getFilteredPdpStatistics(NAME, GROUP, "type",
+            Instant.now(), Instant.now(), ORDER, 0).size());
 
-        assertEquals(NAME, databaseProvider.getFilteredPdpStatistics(NAME, GROUP, "type", null, null, ORDER, 1).get(0)
-                .getPdpInstanceId());
-        assertEquals(NAME, databaseProvider.getFilteredPdpStatistics(NAME, GROUP, "type", null, null, ORDER, 5).get(0)
-                .getPdpInstanceId());
-        assertEquals(0, databaseProvider.getFilteredPdpStatistics(NAME, GROUP, "type", new Date(), new Date(), ORDER, 5)
-                .size());
+        assertEquals(NAME, databaseProvider.getFilteredPdpStatistics(NAME, GROUP, "type",
+            null, null, ORDER, 1).get(0).getPdpInstanceId());
+        assertEquals(NAME, databaseProvider.getFilteredPdpStatistics(NAME, GROUP, "type",
+            null, null, ORDER, 5).get(0).getPdpInstanceId());
+        assertEquals(0, databaseProvider.getFilteredPdpStatistics(NAME, GROUP, "type",
+            Instant.now(), Instant.now(), ORDER, 5).size());
 
         assertEquals(NAME, databaseProvider.deletePdpStatistics(NAME, null).get(0).getPdpInstanceId());
         assertEquals(0, databaseProvider.getPdpStatistics(null, null).size());
@@ -436,7 +439,8 @@ public class DatabasePolicyModelsProviderTest {
         assertThat(databaseProvider.getAllPolicyStatus(new ToscaConceptIdentifierOptVersion("MyPolicy", null)))
                 .isEmpty();
         assertThat(databaseProvider.getGroupPolicyStatus(GROUP)).isEmpty();
-        assertThatCode(() -> databaseProvider.cudPolicyStatus(null, null, null)).doesNotThrowAnyException();
+        assertThatCode(() -> databaseProvider.cudPolicyStatus(null, null, null))
+            .doesNotThrowAnyException();
 
         databaseProvider.close();
     }
diff --git a/models-provider/src/test/java/org/onap/policy/models/provider/impl/DummyBadProviderImpl.java b/models-provider/src/test/java/org/onap/policy/models/provider/impl/DummyBadProviderImpl.java
index f2e8e8489..4daeaba4c 100644
--- a/models-provider/src/test/java/org/onap/policy/models/provider/impl/DummyBadProviderImpl.java
+++ b/models-provider/src/test/java/org/onap/policy/models/provider/impl/DummyBadProviderImpl.java
@@ -22,10 +22,10 @@
 
 package org.onap.policy.models.provider.impl;
 
+import java.time.Instant;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
-import java.util.Date;
 import java.util.List;
 import javax.ws.rs.core.Response;
 import lombok.NonNull;
@@ -203,13 +203,13 @@ public class DummyBadProviderImpl implements PolicyModelsProvider {
     }
 
     @Override
-    public List<PdpStatistics> getPdpStatistics(final String name, final Date timestamp) throws PfModelException {
+    public List<PdpStatistics> getPdpStatistics(final String name, final Instant timestamp) throws PfModelException {
         return new ArrayList<>();
     }
 
     @Override
     public List<PdpStatistics> getFilteredPdpStatistics(String name, String pdpGroupName, String pdpSubGroup,
-            Date startTimeStamp, Date endTimeStamp, String sortOrder, int getRecordNum) {
+            Instant startTimeStamp, Instant endTimeStamp, String sortOrder, int getRecordNum) {
         // Not implemented
         return new ArrayList<>();
     }
@@ -229,7 +229,7 @@ public class DummyBadProviderImpl implements PolicyModelsProvider {
     }
 
     @Override
-    public List<PdpStatistics> deletePdpStatistics(final String name, final Date timestamp) {
+    public List<PdpStatistics> deletePdpStatistics(final String name, final Instant timestamp) {
         // Not implemented
         return null;
     }
diff --git a/models-provider/src/test/java/org/onap/policy/models/provider/impl/DummyPolicyModelsProviderTest.java b/models-provider/src/test/java/org/onap/policy/models/provider/impl/DummyPolicyModelsProviderTest.java
index a57cc956d..428aecc36 100644
--- a/models-provider/src/test/java/org/onap/policy/models/provider/impl/DummyPolicyModelsProviderTest.java
+++ b/models-provider/src/test/java/org/onap/policy/models/provider/impl/DummyPolicyModelsProviderTest.java
@@ -30,8 +30,8 @@ import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
+import java.time.Instant;
 import java.util.ArrayList;
-import java.util.Date;
 import org.junit.Test;
 import org.onap.policy.models.pdp.concepts.Pdp;
 import org.onap.policy.models.pdp.concepts.PdpGroupFilter;
@@ -112,15 +112,18 @@ public class DummyPolicyModelsProviderTest {
         assertTrue(dummyProvider.getPdpStatistics("name", null).isEmpty());
 
         assertTrue(
-                dummyProvider.getFilteredPdpStatistics("name", null, null, new Date(), new Date(), null, 0).isEmpty());
+                dummyProvider.getFilteredPdpStatistics("name", null, null,
+                    Instant.now(), Instant.now(), null, 0).isEmpty());
         assertTrue(dummyProvider.createPdpStatistics(null).isEmpty());
         assertTrue(dummyProvider.updatePdpStatistics(null).isEmpty());
-        assertTrue(dummyProvider.deletePdpStatistics(null, new Date()).isEmpty());
+        assertTrue(dummyProvider.deletePdpStatistics(null, Instant.now()).isEmpty());
 
         assertThat(dummyProvider.getAllPolicyStatus()).isEmpty();
-        assertThat(dummyProvider.getAllPolicyStatus(new ToscaConceptIdentifierOptVersion("MyPolicy", null))).isEmpty();
+        assertThat(dummyProvider.getAllPolicyStatus(new ToscaConceptIdentifierOptVersion("MyPolicy",
+            null))).isEmpty();
         assertThat(dummyProvider.getGroupPolicyStatus("name")).isEmpty();
-        assertThatCode(() -> dummyProvider.cudPolicyStatus(null, null, null)).doesNotThrowAnyException();
+        assertThatCode(() -> dummyProvider.cudPolicyStatus(null, null,
+            null)).doesNotThrowAnyException();
     }
 
     @Test