Use apache Triple

Replaced policy-utils/Triple with apache Triple.

Issue-ID: POLICY-2694
Change-Id: I160f90c03f18b7da8dec5d0a00f809bcfb29680b
Signed-off-by: Jim Hahn <jrh3@att.com>

6 files changed, 79 insertions, 227 deletions

diff --git a/feature-pooling-dmaap/src/test/java/org/onap/policy/drools/pooling/state/ActiveStateTest.java b/feature-pooling-dmaap/src/test/java/org/onap/policy/drools/pooling/state/ActiveStateTest.java
index e24c3c1e..d8ed62c8 100644
--- a/feature-pooling-dmaap/src/test/java/org/onap/policy/drools/pooling/state/ActiveStateTest.java
+++ b/feature-pooling-dmaap/src/test/java/org/onap/policy/drools/pooling/state/ActiveStateTest.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP
  * ================================================================================
- * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2018, 2020 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2020 Nordix Foundation
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -38,6 +38,7 @@ import static org.mockito.Mockito.when;
 import java.util.Arrays;
 import java.util.Map;
 import org.apache.commons.lang3.tuple.Pair;
+import org.apache.commons.lang3.tuple.Triple;
 import org.junit.Before;
 import org.junit.Test;
 import org.onap.policy.drools.pooling.message.BucketAssignments;
@@ -46,7 +47,6 @@ import org.onap.policy.drools.pooling.message.Leader;
 import org.onap.policy.drools.pooling.message.Message;
 import org.onap.policy.drools.pooling.message.Offline;
 import org.onap.policy.drools.pooling.message.Query;
-import org.onap.policy.drools.utils.Triple;
 
 public class ActiveStateTest extends SupportBasicStateTester {
 
@@ -304,18 +304,18 @@ public class ActiveStateTest extends SupportBasicStateTester {
 
         // heart beat generator
         timer = repeatedTasks.remove();
-        assertEquals(STD_INTER_HEARTBEAT_MS, timer.first().longValue());
-        assertEquals(STD_INTER_HEARTBEAT_MS, timer.second().longValue());
+        assertEquals(STD_INTER_HEARTBEAT_MS, timer.getLeft().longValue());
+        assertEquals(STD_INTER_HEARTBEAT_MS, timer.getMiddle().longValue());
 
         // my heart beat checker
         timer = repeatedTasks.remove();
-        assertEquals(STD_ACTIVE_HEARTBEAT_MS, timer.first().longValue());
-        assertEquals(STD_ACTIVE_HEARTBEAT_MS, timer.second().longValue());
+        assertEquals(STD_ACTIVE_HEARTBEAT_MS, timer.getLeft().longValue());
+        assertEquals(STD_ACTIVE_HEARTBEAT_MS, timer.getMiddle().longValue());
 
         // predecessor's heart beat checker
         timer = repeatedTasks.remove();
-        assertEquals(STD_ACTIVE_HEARTBEAT_MS, timer.first().longValue());
-        assertEquals(STD_ACTIVE_HEARTBEAT_MS, timer.second().longValue());
+        assertEquals(STD_ACTIVE_HEARTBEAT_MS, timer.getLeft().longValue());
+        assertEquals(STD_ACTIVE_HEARTBEAT_MS, timer.getMiddle().longValue());
     }
 
     @Test
@@ -333,13 +333,13 @@ public class ActiveStateTest extends SupportBasicStateTester {
 
         // heart beat generator
         timer = repeatedTasks.remove();
-        assertEquals(STD_INTER_HEARTBEAT_MS, timer.first().longValue());
-        assertEquals(STD_INTER_HEARTBEAT_MS, timer.second().longValue());
+        assertEquals(STD_INTER_HEARTBEAT_MS, timer.getLeft().longValue());
+        assertEquals(STD_INTER_HEARTBEAT_MS, timer.getMiddle().longValue());
 
         // my heart beat checker
         timer = repeatedTasks.remove();
-        assertEquals(STD_ACTIVE_HEARTBEAT_MS, timer.first().longValue());
-        assertEquals(STD_ACTIVE_HEARTBEAT_MS, timer.second().longValue());
+        assertEquals(STD_ACTIVE_HEARTBEAT_MS, timer.getLeft().longValue());
+        assertEquals(STD_ACTIVE_HEARTBEAT_MS, timer.getMiddle().longValue());
     }
 
     @Test
@@ -356,7 +356,7 @@ public class ActiveStateTest extends SupportBasicStateTester {
         verify(mgr).publish(anyString(), any(Heartbeat.class));
 
         // fire the task
-        assertNull(task.third().fire());
+        assertNull(task.getRight().fire());
 
         // should have generated a second pair of heart beats
         verify(mgr, times(2)).publish(anyString(), any(Heartbeat.class));
@@ -381,7 +381,7 @@ public class ActiveStateTest extends SupportBasicStateTester {
         when(mgr.goInactive()).thenReturn(next);
 
         // fire the task - should not transition
-        assertNull(task.third().fire());
+        assertNull(task.getRight().fire());
 
         verify(mgr, never()).publishAdmin(any(Query.class));
     }
@@ -398,7 +398,7 @@ public class ActiveStateTest extends SupportBasicStateTester {
         when(mgr.goStart()).thenReturn(next);
 
         // fire the task - should transition
-        assertEquals(next, task.third().fire());
+        assertEquals(next, task.getRight().fire());
 
         // should continue to distribute
         verify(mgr, never()).startDistributing(null);
@@ -423,7 +423,7 @@ public class ActiveStateTest extends SupportBasicStateTester {
         when(mgr.goQuery()).thenReturn(next);
 
         // fire the task - should NOT transition
-        assertNull(task.third().fire());
+        assertNull(task.getRight().fire());
 
         verify(mgr, never()).publishAdmin(any(Query.class));
     }
@@ -440,7 +440,7 @@ public class ActiveStateTest extends SupportBasicStateTester {
         when(mgr.goQuery()).thenReturn(next);
 
         // fire the task - should transition
-        assertEquals(next, task.third().fire());
+        assertEquals(next, task.getRight().fire());
 
         verify(mgr).publishAdmin(any(Query.class));
     }
diff --git a/feature-pooling-dmaap/src/test/java/org/onap/policy/drools/pooling/state/StartStateTest.java b/feature-pooling-dmaap/src/test/java/org/onap/policy/drools/pooling/state/StartStateTest.java
index 1fd49c50..142fbf7e 100644
--- a/feature-pooling-dmaap/src/test/java/org/onap/policy/drools/pooling/state/StartStateTest.java
+++ b/feature-pooling-dmaap/src/test/java/org/onap/policy/drools/pooling/state/StartStateTest.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP
  * ================================================================================
- * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2018, 2020 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2020 Nordix Foundation
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -33,6 +33,7 @@ import static org.mockito.Mockito.when;
 
 import java.util.Map;
 import org.apache.commons.lang3.tuple.Pair;
+import org.apache.commons.lang3.tuple.Triple;
 import org.junit.Before;
 import org.junit.Test;
 import org.onap.policy.drools.pooling.message.Forward;
@@ -42,7 +43,6 @@ import org.onap.policy.drools.pooling.message.Leader;
 import org.onap.policy.drools.pooling.message.Message;
 import org.onap.policy.drools.pooling.message.Offline;
 import org.onap.policy.drools.pooling.message.Query;
-import org.onap.policy.drools.utils.Triple;
 
 public class StartStateTest extends SupportBasicStateTester {
 
@@ -92,15 +92,15 @@ public class StartStateTest extends SupportBasicStateTester {
          */
         Triple<Long, Long, StateTimerTask> generator = repeatedTasks.removeFirst();
 
-        assertEquals(STD_INTER_HEARTBEAT_MS, generator.first().longValue());
-        assertEquals(STD_INTER_HEARTBEAT_MS, generator.second().longValue());
+        assertEquals(STD_INTER_HEARTBEAT_MS, generator.getLeft().longValue());
+        assertEquals(STD_INTER_HEARTBEAT_MS, generator.getMiddle().longValue());
 
         // invoke the task - it should generate another heartbeat
-        assertEquals(null, generator.third().fire());
+        assertEquals(null, generator.getRight().fire());
         verify(mgr, times(2)).publish(MY_HOST, msg.getRight());
 
         // and again
-        assertEquals(null, generator.third().fire());
+        assertEquals(null, generator.getRight().fire());
         verify(mgr, times(3)).publish(MY_HOST, msg.getRight());
 
 
diff --git a/feature-pooling-dmaap/src/test/java/org/onap/policy/drools/pooling/state/SupportBasicStateTester.java b/feature-pooling-dmaap/src/test/java/org/onap/policy/drools/pooling/state/SupportBasicStateTester.java
index a1246938..1a65c802 100644
--- a/feature-pooling-dmaap/src/test/java/org/onap/policy/drools/pooling/state/SupportBasicStateTester.java
+++ b/feature-pooling-dmaap/src/test/java/org/onap/policy/drools/pooling/state/SupportBasicStateTester.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP
  * ================================================================================
- * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2018, 2020 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2020 Nordix Foundation
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -37,13 +37,13 @@ import java.util.SortedSet;
 import java.util.TreeSet;
 import java.util.concurrent.atomic.AtomicReference;
 import org.apache.commons.lang3.tuple.Pair;
+import org.apache.commons.lang3.tuple.Triple;
 import org.onap.policy.drools.pooling.CancellableScheduledTask;
 import org.onap.policy.drools.pooling.PoolingManager;
 import org.onap.policy.drools.pooling.PoolingProperties;
 import org.onap.policy.drools.pooling.message.BucketAssignments;
 import org.onap.policy.drools.pooling.message.Leader;
 import org.onap.policy.drools.pooling.message.Message;
-import org.onap.policy.drools.utils.Triple;
 
 /**
  * Superclass used to test subclasses of {@link State}.
@@ -179,7 +179,7 @@ public class SupportBasicStateTester {
         // capture scheduleWithFixedDelay() arguments, and return a new future
         when(mgr.scheduleWithFixedDelay(anyLong(), anyLong(), any(StateTimerTask.class))).thenAnswer(invocation -> {
             Object[] args = invocation.getArguments();
-            repeatedTasks.add(new Triple<>((Long) args[0], (Long) args[1], (StateTimerTask) args[2]));
+            repeatedTasks.add(Triple.of((Long) args[0], (Long) args[1], (StateTimerTask) args[2]));
 
             CancellableScheduledTask sched = mock(CancellableScheduledTask.class);
             repeatedSchedules.add(sched);
diff --git a/policy-management/src/test/java/org/onap/policy/drools/protocol/coders/ProtocolCoderToolsetTest.java b/policy-management/src/test/java/org/onap/policy/drools/protocol/coders/ProtocolCoderToolsetTest.java
index 6b497fa3..abf9b387 100644
--- a/policy-management/src/test/java/org/onap/policy/drools/protocol/coders/ProtocolCoderToolsetTest.java
+++ b/policy-management/src/test/java/org/onap/policy/drools/protocol/coders/ProtocolCoderToolsetTest.java
@@ -26,6 +26,8 @@ import java.io.IOException;
 import java.nio.file.Paths;
 import java.util.List;
 import java.util.Properties;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
 import org.junit.After;
 import org.junit.Assert;
 import org.junit.Before;
@@ -42,7 +44,6 @@ import org.onap.policy.drools.properties.DroolsPropertyConstants;
 import org.onap.policy.drools.protocol.coders.EventProtocolCoder.CoderFilters;
 import org.onap.policy.drools.protocol.coders.TopicCoderFilterConfiguration.CustomGsonCoder;
 import org.onap.policy.drools.util.KieUtils;
-import org.onap.policy.drools.utils.Triple;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -68,11 +69,10 @@ public class ProtocolCoderToolsetTest {
      */
     @BeforeClass
     public static void setUpClass() throws IOException {
-        releaseId = KieUtils.installArtifact(
-            Paths.get(MavenDroolsControllerTest.JUNIT_ECHO_KMODULE_PATH).toFile(),
-            Paths.get(MavenDroolsControllerTest.JUNIT_ECHO_KMODULE_POM_PATH).toFile(),
-            MavenDroolsControllerTest.JUNIT_ECHO_KJAR_DRL_PATH,
-            Paths.get(MavenDroolsControllerTest.JUNIT_ECHO_KMODULE_DRL_PATH).toFile());
+        releaseId = KieUtils.installArtifact(Paths.get(MavenDroolsControllerTest.JUNIT_ECHO_KMODULE_PATH).toFile(),
+                        Paths.get(MavenDroolsControllerTest.JUNIT_ECHO_KMODULE_POM_PATH).toFile(),
+                        MavenDroolsControllerTest.JUNIT_ECHO_KJAR_DRL_PATH,
+                        Paths.get(MavenDroolsControllerTest.JUNIT_ECHO_KMODULE_DRL_PATH).toFile());
     }
 
     /**
@@ -104,28 +104,25 @@ public class ProtocolCoderToolsetTest {
      * @param protocolFilter protocol filter
      */
     private void testGsonToolset(JsonProtocolFilter protocolFilter) {
-        GsonProtocolCoderToolset gsonToolset = new GsonProtocolCoderToolset(
-                EventProtocolParams.builder().topic(JUNIT_PROTOCOL_CODER_TOPIC)
-                        .groupId(releaseId.getGroupId())
-                        .artifactId(releaseId.getArtifactId())
-                        .eventClass(Triple.class.getName())
-                        .protocolFilter(protocolFilter)
-                        .customGsonCoder(null)
-                        .modelClassLoaderHash(12345678), CONTROLLER_ID);
+        GsonProtocolCoderToolset gsonToolset =
+                        new GsonProtocolCoderToolset(EventProtocolParams.builder().topic(JUNIT_PROTOCOL_CODER_TOPIC)
+                                        .groupId(releaseId.getGroupId()).artifactId(releaseId.getArtifactId())
+                                        .eventClass(ThreeStrings.class.getName()).protocolFilter(protocolFilter)
+                                        .customGsonCoder(null).modelClassLoaderHash(12345678), CONTROLLER_ID);
 
         Assert.assertNotNull(gsonToolset.getEncoder());
         Assert.assertNotNull(gsonToolset.getDecoder());
 
         testToolset(protocolFilter, gsonToolset);
 
-        Triple<String, String, String> triple = createTriple();
+        ThreeStrings triple = createTriple();
         gsonToolset.setCustomCoder(new CustomGsonCoder(this.getClass().getName(), "customCoder"));
         String tripleEncoded = encode(gsonToolset, triple);
         decode(protocolFilter, gsonToolset, triple, tripleEncoded);
     }
 
-    private Triple<String, String, String> createTriple() {
-        return new Triple<>("v1", "v2", "v3");
+    private ThreeStrings createTriple() {
+        return new ThreeStrings("v1", "v2", "v3");
     }
 
     private void testToolset(JsonProtocolFilter protocolFilter, ProtocolCoderToolset coderToolset) {
@@ -137,61 +134,59 @@ public class ProtocolCoderToolsetTest {
         addRemoveCoder(coderToolset);
 
         /* restore original filters */
-        coderToolset.addCoder(Triple.class.getName(), protocolFilter, 654321);
+        coderToolset.addCoder(ThreeStrings.class.getName(), protocolFilter, 654321);
 
-        Triple<String, String, String> triple = createTriple();
+        ThreeStrings triple = createTriple();
 
         String tripleEncoded = encode(coderToolset, triple);
 
         decode(protocolFilter, coderToolset, triple, tripleEncoded);
     }
 
-    @SuppressWarnings("unchecked")
     private void decode(JsonProtocolFilter protocolFilter, ProtocolCoderToolset coderToolset,
-            Triple<String, String, String> triple, String tripleEncoded) {
+                    ThreeStrings triple, String tripleEncoded) {
 
-        Triple<String, String, String> tripleDecoded = null;
+        ThreeStrings tripleDecoded = null;
         try {
-            tripleDecoded = (Triple<String, String, String>) coderToolset.decode(tripleEncoded);
+            tripleDecoded = (ThreeStrings) coderToolset.decode(tripleEncoded);
         } catch (UnsupportedOperationException e) {
             /* OK */
             logger.trace("Junit expected exception - decode does not pass filtering", e);
         }
 
-        CoderFilters coderFilters = coderToolset.getCoder(Triple.class.getName());
-        Assert.assertSame(coderFilters.getCodedClass(), Triple.class.getName());
+        CoderFilters coderFilters = coderToolset.getCoder(ThreeStrings.class.getName());
+        Assert.assertSame(coderFilters.getCodedClass(), ThreeStrings.class.getName());
         Assert.assertSame(coderFilters.getFilter(), protocolFilter);
         Assert.assertNotNull(coderFilters.getFilter().getRule());
 
         coderFilters.getFilter().setRule("[?($.second =~ /^v2$/ && $.third =~ /.*v3.*/)]");
 
-        tripleDecoded = (Triple<String, String, String>) coderToolset.decode(tripleEncoded);
+        tripleDecoded = (ThreeStrings) coderToolset.decode(tripleEncoded);
 
-        Assert.assertEquals(triple.first(), tripleDecoded.first());
-        Assert.assertEquals(triple.second(), tripleDecoded.second());
-        Assert.assertEquals(triple.third(), tripleDecoded.third());
+        Assert.assertEquals(triple.getFirst(), tripleDecoded.getFirst());
+        Assert.assertEquals(triple.getSecond(), tripleDecoded.getSecond());
+        Assert.assertEquals(triple.getThird(), tripleDecoded.getThird());
 
         coderFilters.getFilter().setRule(null);
         Assert.assertEquals("[?($ =~ /.*/)]", coderFilters.getFilter().getRule());
 
-        tripleDecoded = (Triple<String, String, String>) coderToolset.decode(tripleEncoded);
+        tripleDecoded = (ThreeStrings) coderToolset.decode(tripleEncoded);
 
-        Assert.assertEquals(tripleDecoded.first(), triple.first());
-        Assert.assertEquals(tripleDecoded.second(), triple.second());
-        Assert.assertEquals(tripleDecoded.third(), triple.third());
+        Assert.assertEquals(tripleDecoded.getFirst(), triple.getFirst());
+        Assert.assertEquals(tripleDecoded.getSecond(), triple.getSecond());
+        Assert.assertEquals(tripleDecoded.getThird(), triple.getThird());
 
         coderFilters.getFilter().setRule("[?($.third =~ /.*v3.*/)]");
     }
 
-    private String encode(ProtocolCoderToolset coderToolset, Triple<String, String, String> triple) {
+    private String encode(ProtocolCoderToolset coderToolset, ThreeStrings triple) {
         String tripleEncoded = coderToolset.encode(triple);
         Assert.assertTrue(!tripleEncoded.isEmpty());
         return tripleEncoded;
     }
 
     private void addRemoveCoder(ProtocolCoderToolset coderToolset) {
-        coderToolset.addCoder(this.getClass().getName(),
-                new JsonProtocolFilter("[?($.second =~ /.*/)]"), 654321);
+        coderToolset.addCoder(this.getClass().getName(), new JsonProtocolFilter("[?($.second =~ /.*/)]"), 654321);
         Assert.assertEquals(2, coderToolset.getCoders().size());
 
         coderToolset.removeCoders(this.getClass().getName());
@@ -199,18 +194,16 @@ public class ProtocolCoderToolsetTest {
     }
 
     private void updateCoderFilterRule(ProtocolCoderToolset coderToolset) {
-        coderToolset.addCoder(Triple.class.getName(), new JsonProtocolFilter("[?($.third =~ /.*/)]"), 654321);
+        coderToolset.addCoder(ThreeStrings.class.getName(), new JsonProtocolFilter("[?($.third =~ /.*/)]"), 654321);
 
         Assert.assertEquals(1, coderToolset.getCoders().size());
 
-        Assert.assertEquals(654321, coderToolset.getCoder(Triple.class.getName()).getModelClassLoaderHash());
+        Assert.assertEquals(654321, coderToolset.getCoder(ThreeStrings.class.getName()).getModelClassLoaderHash());
 
-        Assert.assertNotNull(
-                coderToolset.getCoder(
-                        Triple.class.getName()).getFilter().getRule());
+        Assert.assertNotNull(coderToolset.getCoder(ThreeStrings.class.getName()).getFilter().getRule());
 
-        Assert.assertEquals("[?($.third =~ /.*/)]", coderToolset.getCoder(Triple.class.getName())
-                .getFilter().getRule());
+        Assert.assertEquals("[?($.third =~ /.*/)]",
+                        coderToolset.getCoder(ThreeStrings.class.getName()).getFilter().getRule());
     }
 
     private void validateInitialization(JsonProtocolFilter protocolFilter, ProtocolCoderToolset coderToolset) {
@@ -224,7 +217,7 @@ public class ProtocolCoderToolsetTest {
         CoderFilters coderFilters = coderToolset.getCoder(CONTROLLER_ID);
         Assert.assertNull(coderFilters);
 
-        coderFilters = coderToolset.getCoder(Triple.class.getName());
+        coderFilters = coderToolset.getCoder(ThreeStrings.class.getName());
         Assert.assertNotNull(coderFilters);
 
         Assert.assertEquals(coderFilters.getFilter(), protocolFilter);
@@ -243,8 +236,10 @@ public class ProtocolCoderToolsetTest {
         droolsControllerConfig.put(DroolsPropertyConstants.RULES_GROUPID, releaseId.getGroupId());
         droolsControllerConfig.put(DroolsPropertyConstants.RULES_ARTIFACTID, releaseId.getArtifactId());
         droolsControllerConfig.put(DroolsPropertyConstants.RULES_VERSION, releaseId.getVersion());
-        droolsControllerConfig.put(PolicyEndPointProperties.PROPERTY_NOOP_SINK_TOPICS + "." + JUNIT_PROTOCOL_CODER_TOPIC
-                + PolicyEndPointProperties.PROPERTY_TOPIC_EVENTS_SUFFIX, Triple.class.getName());
+        droolsControllerConfig.put(
+                        PolicyEndPointProperties.PROPERTY_NOOP_SINK_TOPICS + "." + JUNIT_PROTOCOL_CODER_TOPIC
+                                        + PolicyEndPointProperties.PROPERTY_TOPIC_EVENTS_SUFFIX,
+                        ThreeStrings.class.getName());
 
         return DroolsControllerConstants.getFactory().build(droolsControllerConfig, null, noopTopics);
     }
@@ -252,4 +247,16 @@ public class ProtocolCoderToolsetTest {
     private JsonProtocolFilter createFilterSet() {
         return new JsonProtocolFilter("[?($.first =~ /.*/ && $.second =~ /^blah.*/ && $.third =~ /^hello$/)]");
     }
+
+    /**
+     * Note: We need an object that can be constructed, but the apache Triple cannot, thus
+     * we create our own class just for these tests.
+     */
+    @Getter
+    @AllArgsConstructor
+    public static class ThreeStrings {
+        private String first;
+        private String second;
+        private String third;
+    }
 }
diff --git a/policy-utils/src/main/java/org/onap/policy/drools/utils/Triple.java b/policy-utils/src/main/java/org/onap/policy/drools/utils/Triple.java
deleted file mode 100644
index d37a5d92..00000000
--- a/policy-utils/src/main/java/org/onap/policy/drools/utils/Triple.java
+++ /dev/null
@@ -1,93 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP
- * ================================================================================
- * Copyright (C) 2017-2018 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.drools.utils;
-
-public class Triple<F, S, T> {
-
-    private F first;
-    private S second;
-    private T third;
-
-    public Triple() {
-        // empty constructor
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param first first
-     * @param second second
-     * @param third third
-     */
-    public Triple(F first, S second, T third) {
-        this.first = first;
-        this.second = second;
-        this.third = third;
-    }
-
-    public F first() {
-        return this.getFirst();
-    }
-
-    public void first(F first) {
-        this.setFirst(first);
-    }
-
-    public F getFirst() {
-        return first;
-    }
-
-    public void setFirst(F first) {
-        this.first = first;
-    }
-
-    public S second() {
-        return this.getSecond();
-    }
-
-    public void second(S second) {
-        this.setSecond(second);
-    }
-
-    public S getSecond() {
-        return second;
-    }
-
-    public void setSecond(S second) {
-        this.second = second;
-    }
-
-    public T third() {
-        return this.getThird();
-    }
-
-    public void third(T third) {
-        this.setThird(third);
-    }
-
-    public T getThird() {
-        return this.third;
-    }
-
-    public void setThird(T third) {
-        this.third = third;
-    }
-}
diff --git a/policy-utils/src/test/java/org/onap/policy/drools/utils/TripleTest.java b/policy-utils/src/test/java/org/onap/policy/drools/utils/TripleTest.java
deleted file mode 100644
index b62c9530..00000000
--- a/policy-utils/src/test/java/org/onap/policy/drools/utils/TripleTest.java
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * ONAP
- * ================================================================================
- * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2020 Nordix Foundation
- * ================================================================================
- * 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.drools.utils;
-
-import org.junit.Assert;
-import org.junit.Test;
-
-public class TripleTest {
-
-    @Test
-    public void test() {
-        Triple<String, String, String> triple  =
-                new Triple<>("one", "two", "three");
-
-        Assert.assertEquals("one", triple.first());
-        Assert.assertEquals("one", triple.getFirst());
-
-        Assert.assertEquals("two", triple.second());
-        Assert.assertEquals("two", triple.getSecond());
-
-        Assert.assertEquals("three", triple.third());
-        Assert.assertEquals("three", triple.getThird());
-
-        triple.first("I");
-        Assert.assertEquals("I", triple.first());
-
-        triple.setFirst("1");
-        Assert.assertEquals("1", triple.first());
-
-        triple.second("2");
-        Assert.assertEquals("2", triple.second());
-
-        triple.setSecond("II");
-        Assert.assertEquals("II", triple.second());
-
-        triple.third("3");
-        Assert.assertEquals("3", triple.third());
-
-        triple.setThird("III");
-        Assert.assertEquals("III", triple.third());
-
-    }
-}
\ No newline at end of file