pull generic code from mdctransaction into metric

created generic metric classes that would be used
now for 2 purposes: 1) existing logging framework of
metrics and transactions, 2) generic metric tracking to
be use to report pdp statistics.

Issue-ID: POLICY-3033
Signed-off-by: jhh <jorge.hernandez-herrero@att.com>
Change-Id: I8f5d773f27871e19c8796d1fe2f3972b4c21fe67
Signed-off-by: jhh <jorge.hernandez-herrero@att.com>

2 files changed, 261 insertions, 0 deletions

diff --git a/policy-utils/src/test/java/org/onap/policy/drools/metrics/MetricTest.java b/policy-utils/src/test/java/org/onap/policy/drools/metrics/MetricTest.java
new file mode 100644
index 00000000..5a5965c4
--- /dev/null
+++ b/policy-utils/src/test/java/org/onap/policy/drools/metrics/MetricTest.java
@@ -0,0 +1,192 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.drools.metrics;
+
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+
+import com.openpojo.reflection.PojoClass;
+import com.openpojo.reflection.impl.PojoClassFactory;
+import com.openpojo.validation.Validator;
+import com.openpojo.validation.ValidatorBuilder;
+import com.openpojo.validation.rule.impl.GetterMustExistRule;
+import com.openpojo.validation.rule.impl.SetterMustExistRule;
+import com.openpojo.validation.test.impl.GetterTester;
+import com.openpojo.validation.test.impl.SetterTester;
+import java.text.SimpleDateFormat;
+import java.time.Duration;
+import java.time.Instant;
+import java.util.Date;
+import org.junit.Test;
+
+public class MetricTest {
+
+    @Test
+    public void testPojo() {
+        PojoClass metric = PojoClassFactory.getPojoClass(Metric.class);
+        Validator val = ValidatorBuilder
+                .create()
+                .with(new SetterMustExistRule())
+                .with(new GetterMustExistRule())
+                .with(new SetterTester())
+                .with(new GetterTester())
+                .build();
+        val.validate(metric);
+    }
+
+    @Test
+    public void testEndTimeSetter() {
+        Metric metric = new Metric();
+
+        assertNull(metric.getEndTime());
+        metric.setEndTime(null);
+        assertNotNull(metric.getEndTime());
+    }
+
+    @Test
+    public void testStartTimeSetter() {
+        Metric metric = new Metric();
+
+        assertNull(metric.getStartTime());
+        metric.setStartTime(null);
+        assertNotNull(metric.getStartTime());
+    }
+
+    @Test
+    public void testElapsedTimeSetter() {
+        Metric metric = new Metric();
+
+        assertNull(metric.getElapsedTime());
+        metric.setElapsedTime(null);
+        assertNull(metric.getElapsedTime());
+
+        Instant start = Instant.now();
+        metric.setStartTime(start);
+        metric.setElapsedTime(null);
+        assertNull(metric.getElapsedTime());
+
+        Instant end = Instant.now();
+        metric.setEndTime(end);
+        metric.setElapsedTime(null);
+        assertNotNull(metric.getElapsedTime());
+        Long duration = Duration.between(start, end).toMillis();
+        assertEquals(duration, metric.getElapsedTime());
+    }
+
+    @Test
+    public void testInvocationIdSetter() {
+        Metric metric = new Metric();
+
+        assertNull(metric.getInvocationId());
+        metric.setInvocationId(null);
+        assertNotNull(metric.getInvocationId());
+    }
+
+    @Test
+    public void testServiceNameSetter() {
+        Metric metric = new Metric();
+
+        assertNull(metric.getServiceName());
+        metric.setServiceName(null);
+        assertEquals(Metric.HOST_TYPE, metric.getServiceName());
+    }
+
+    @Test
+    public void testInstanceUuidSetter() {
+        Metric metric = new Metric();
+
+        assertNull(metric.getInstanceUuid());
+        metric.setInstanceUuid(null);
+        assertNotNull(metric.getInstanceUuid());
+    }
+
+    @Test
+    public void testRequestIdSetter() {
+        Metric metric = new Metric();
+
+        assertNull(metric.getRequestId());
+        metric.setRequestId(null);
+        assertNotNull(metric.getRequestId());
+    }
+
+    @Test
+    public void testPartnerSetter() {
+        Metric metric = new Metric();
+
+        assertNull(metric.getPartner());
+        metric.setPartner(null);
+        assertEquals(Metric.HOST_TYPE, metric.getPartner());
+    }
+
+    @Test
+    public void testServerNameSetter() {
+        Metric metric = new Metric();
+
+        assertNull(metric.getServerName());
+        metric.setServerName(null);
+        assertEquals(Metric.HOSTNAME, metric.getServerName());
+    }
+
+    @Test
+    public void testServerFqdnSetter() {
+        Metric metric = new Metric();
+
+        assertNull(metric.getServerFqdn());
+        metric.setServerFqdn(null);
+        assertEquals(Metric.HOSTNAME, metric.getServerFqdn());
+    }
+
+    @Test
+    public void testVirtualServerNameSetter() {
+        Metric metric = new Metric();
+
+        assertNull(metric.getVirtualServerName());
+        metric.setVirtualServerName(null);
+        assertEquals(Metric.HOSTNAME, metric.getVirtualServerName());
+    }
+
+    @Test
+    public void testEqualsToString() {
+        Metric metric1 = new Metric();
+        Metric metric2 = new Metric();
+
+        assertEquals(metric1, metric2);
+
+        metric1.setRequestId(null);
+        assertNotEquals(metric1, metric2);
+
+        metric1.setRequestId("a");
+        metric2.setRequestId("a");
+        assertEquals(metric1, metric2);
+
+        assertThat(metric1.toString()).startsWith("Metric");
+    }
+
+    @Test
+    public void testToTimestamp() {
+        Instant now = Instant.now();
+        assertEquals(new SimpleDateFormat(Metric.DATE_FORMAT).format(Date.from(now)), Metric.toTimestamp(now));
+    }
+}
\ No newline at end of file
diff --git a/policy-utils/src/test/java/org/onap/policy/drools/metrics/TransMetricTest.java b/policy-utils/src/test/java/org/onap/policy/drools/metrics/TransMetricTest.java
new file mode 100644
index 00000000..e3e8fb79
--- /dev/null
+++ b/policy-utils/src/test/java/org/onap/policy/drools/metrics/TransMetricTest.java
@@ -0,0 +1,69 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.drools.metrics;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+
+import com.openpojo.reflection.PojoClass;
+import com.openpojo.reflection.impl.PojoClassFactory;
+import com.openpojo.validation.Validator;
+import com.openpojo.validation.ValidatorBuilder;
+import com.openpojo.validation.rule.impl.GetterMustExistRule;
+import com.openpojo.validation.rule.impl.SetterMustExistRule;
+import com.openpojo.validation.test.impl.GetterTester;
+import com.openpojo.validation.test.impl.SetterTester;
+import org.junit.Test;
+
+public class TransMetricTest {
+
+    @Test
+    public void testPojo() {
+        PojoClass metric = PojoClassFactory.getPojoClass(TransMetric.class);
+        Validator val = ValidatorBuilder
+                                .create()
+                                .with(new SetterMustExistRule())
+                                .with(new GetterMustExistRule())
+                                .with(new SetterTester())
+                                .with(new GetterTester())
+                                .build();
+        val.validate(metric);
+    }
+
+    @Test
+    public void testEqualsToString() {
+        TransMetric trans1 = new TransMetric();
+        TransMetric trans2 = new TransMetric();
+
+        assertEquals(trans1, trans2);
+
+        trans1.setRequestId(null);
+        assertNotEquals(trans1, trans2);
+
+        trans1.setRequestId("a");
+        trans2.setRequestId("a");
+        assertEquals(trans1, trans2);
+
+        assertThat(trans1.toString()).startsWith("TransMetric");
+    }
+
+}
\ No newline at end of file