Adding apex event-model module

- Adding apex event-model module
- Fixing namespaces

Change-Id: If37a1773000ca99eb5d97703fdeb5788ce55365c
Issue-ID: POLICY-856
Signed-off-by: ramverma <ram.krishna.verma@ericsson.com>

5 files changed, 1016 insertions, 0 deletions

diff --git a/model/event-model/src/test/java/org/onap/policy/apex/model/eventmodel/concepts/TestEventModel.java b/model/event-model/src/test/java/org/onap/policy/apex/model/eventmodel/concepts/TestEventModel.java
new file mode 100644
index 000000000..dbff0666d
--- /dev/null
+++ b/model/event-model/src/test/java/org/onap/policy/apex/model/eventmodel/concepts/TestEventModel.java
@@ -0,0 +1,89 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2016-2018 Ericsson. 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.apex.model.eventmodel.concepts;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
+import org.onap.policy.apex.model.basicmodel.concepts.AxKeyInformation;
+import org.onap.policy.apex.model.contextmodel.concepts.AxContextSchemas;
+import org.onap.policy.apex.model.eventmodel.concepts.AxEventModel;
+import org.onap.policy.apex.model.eventmodel.concepts.AxEvents;
+
+/**
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class TestEventModel {
+
+    @Test
+    public void testEventModel() {
+        assertNotNull(new AxEventModel());
+        assertNotNull(new AxEventModel(new AxArtifactKey()));
+        assertNotNull(
+                new AxEventModel(new AxArtifactKey(), new AxContextSchemas(), new AxKeyInformation(), new AxEvents()));
+
+        final AxArtifactKey modelKey = new AxArtifactKey("ModelKey", "0.0.1");
+        final AxArtifactKey schemasKey = new AxArtifactKey("SchemasKey", "0.0.1");
+        final AxArtifactKey eventsKey = new AxArtifactKey("EventsKey", "0.0.1");
+        final AxArtifactKey keyInfoKey = new AxArtifactKey("SchemasKey", "0.0.1");
+        final AxEventModel model = new AxEventModel(modelKey, new AxContextSchemas(schemasKey),
+                new AxKeyInformation(keyInfoKey), new AxEvents(eventsKey));
+        model.register();
+
+        model.clean();
+        assertNotNull(model);
+        assertEquals("AxEventModel:(AxEventModel:(key=AxArtifactKey:(nam", model.toString().substring(0, 50));
+
+        final AxEventModel clonedModel = new AxEventModel(model);
+
+        assertFalse(model.hashCode() == 0);
+
+        assertTrue(model.equals(model));
+        assertTrue(model.equals(clonedModel));
+        assertFalse(model.equals("Hello"));
+        assertFalse(model.equals(new AxEventModel(new AxArtifactKey())));
+        assertFalse(model.equals(new AxEventModel(modelKey, new AxContextSchemas(), new AxKeyInformation(keyInfoKey),
+                new AxEvents(eventsKey))));
+        assertFalse(model.equals(new AxEventModel(modelKey, new AxContextSchemas(schemasKey), new AxKeyInformation(),
+                new AxEvents(eventsKey))));
+        assertFalse(model.equals(new AxEventModel(modelKey, new AxContextSchemas(schemasKey),
+                new AxKeyInformation(keyInfoKey), new AxEvents())));
+        assertTrue(model.equals(new AxEventModel(modelKey, new AxContextSchemas(schemasKey),
+                new AxKeyInformation(keyInfoKey), new AxEvents(eventsKey))));
+
+        assertEquals(0, model.compareTo(model));
+        assertEquals(0, model.compareTo(clonedModel));
+        assertNotEquals(0, model.compareTo(new AxArtifactKey()));
+        assertNotEquals(0, model.compareTo(new AxEventModel(modelKey, new AxContextSchemas(),
+                new AxKeyInformation(keyInfoKey), new AxEvents(eventsKey))));
+        assertNotEquals(0, model.compareTo(new AxEventModel(modelKey, new AxContextSchemas(schemasKey),
+                new AxKeyInformation(), new AxEvents(eventsKey))));
+        assertNotEquals(0, model.compareTo(new AxEventModel(modelKey, new AxContextSchemas(schemasKey),
+                new AxKeyInformation(keyInfoKey), new AxEvents())));
+        assertEquals(0, model.compareTo(new AxEventModel(modelKey, new AxContextSchemas(schemasKey),
+                new AxKeyInformation(keyInfoKey), new AxEvents(eventsKey))));
+    }
+}
diff --git a/model/event-model/src/test/java/org/onap/policy/apex/model/eventmodel/concepts/TestEvents.java b/model/event-model/src/test/java/org/onap/policy/apex/model/eventmodel/concepts/TestEvents.java
new file mode 100644
index 000000000..5456dfad8
--- /dev/null
+++ b/model/event-model/src/test/java/org/onap/policy/apex/model/eventmodel/concepts/TestEvents.java
@@ -0,0 +1,298 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2016-2018 Ericsson. 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.apex.model.eventmodel.concepts;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import java.util.TreeMap;
+import java.util.TreeSet;
+
+import org.junit.Test;
+import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
+import org.onap.policy.apex.model.basicmodel.concepts.AxKey;
+import org.onap.policy.apex.model.basicmodel.concepts.AxReferenceKey;
+import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult;
+import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult.ValidationResult;
+import org.onap.policy.apex.model.eventmodel.concepts.AxEvent;
+import org.onap.policy.apex.model.eventmodel.concepts.AxEvents;
+import org.onap.policy.apex.model.eventmodel.concepts.AxField;
+
+/**
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class TestEvents {
+
+    @Test
+    public void testEvents() {
+        final TreeMap<String, AxField> parameterMap = new TreeMap<>();
+        final TreeMap<String, AxField> parameterMapEmpty = new TreeMap<>();
+
+        assertNotNull(new AxEvent());
+        assertNotNull(new AxEvent(new AxArtifactKey()));
+        assertNotNull(new AxEvent(new AxArtifactKey(), "namespace"));
+        assertNotNull(new AxEvent(new AxArtifactKey(), "namespace", "source", "target"));
+        assertNotNull(new AxEvent(new AxArtifactKey(), "namespace", "source", "target"));
+        assertNotNull(new AxEvent(new AxArtifactKey(), "namespace", "source", "target", parameterMap));
+
+        final AxEvent event = new AxEvent();
+
+        final AxArtifactKey eventKey = new AxArtifactKey("EventName", "0.0.1");
+        event.setKey(eventKey);
+        assertEquals("EventName:0.0.1", event.getKey().getID());
+        assertEquals("EventName:0.0.1", event.getKeys().get(0).getID());
+
+        event.setNameSpace("namespace");
+        assertEquals("namespace", event.getNameSpace());
+
+        event.setSource("source");
+        assertEquals("source", event.getSource());
+
+        event.setTarget("target");
+        assertEquals("target", event.getTarget());
+
+        event.setParameterMap(parameterMap);
+        assertEquals(0, event.getParameterMap().size());
+
+        final AxField eventField =
+                new AxField(new AxReferenceKey(eventKey, "Field0"), new AxArtifactKey("Field0Schema", "0.0.1"));
+        event.getParameterMap().put(eventField.getKey().getLocalName(), eventField);
+        assertEquals(1, event.getParameterMap().size());
+
+        final AxField eventFieldBadParent =
+                new AxField(new AxReferenceKey(new AxArtifactKey("OtherEvent", "0.0.01"), "Field0"),
+                        new AxArtifactKey("Field0Schema", "0.0.1"));
+
+        final AxArtifactKey newEventKey = new AxArtifactKey("NewEventName", "0.0.1");
+        event.setKey(newEventKey);
+        assertEquals("NewEventName:0.0.1", event.getKey().getID());
+        assertEquals("NewEventName:0.0.1", event.getKeys().get(0).getID());
+        assertEquals("NewEventName:0.0.1",
+                event.getParameterMap().get("Field0").getKey().getParentArtifactKey().getID());
+        event.setKey(eventKey);
+        assertEquals("EventName:0.0.1", event.getKey().getID());
+        assertEquals("EventName:0.0.1", event.getKeys().get(0).getID());
+
+        assertTrue("Field0", event.getFields().contains(eventField));
+        assertTrue(event.hasFields(new TreeSet<AxField>(parameterMap.values())));
+
+        AxValidationResult result = new AxValidationResult();
+        result = event.validate(result);
+        assertEquals(AxValidationResult.ValidationResult.VALID, result.getValidationResult());
+
+        event.setKey(AxArtifactKey.getNullKey());
+        result = new AxValidationResult();
+        result = event.validate(result);
+        assertEquals(ValidationResult.INVALID, result.getValidationResult());
+
+        event.setKey(eventKey);
+        result = new AxValidationResult();
+        result = event.validate(result);
+        assertEquals(ValidationResult.VALID, result.getValidationResult());
+
+        event.setNameSpace("");
+        result = new AxValidationResult();
+        result = event.validate(result);
+        assertEquals(ValidationResult.WARNING, result.getValidationResult());
+
+        event.setNameSpace("namespace");
+        result = new AxValidationResult();
+        result = event.validate(result);
+        assertEquals(ValidationResult.VALID, result.getValidationResult());
+
+        event.setSource("");
+        result = new AxValidationResult();
+        result = event.validate(result);
+        assertEquals(ValidationResult.OBSERVATION, result.getValidationResult());
+
+        event.setSource("source");
+        result = new AxValidationResult();
+        result = event.validate(result);
+        assertEquals(ValidationResult.VALID, result.getValidationResult());
+
+        event.setTarget("");
+        result = new AxValidationResult();
+        result = event.validate(result);
+        assertEquals(ValidationResult.OBSERVATION, result.getValidationResult());
+
+        event.setTarget("target");
+        result = new AxValidationResult();
+        result = event.validate(result);
+        assertEquals(ValidationResult.VALID, result.getValidationResult());
+
+        event.getParameterMap().put(AxKey.NULL_KEY_NAME, null);
+        result = new AxValidationResult();
+        result = event.validate(result);
+        assertEquals(ValidationResult.INVALID, result.getValidationResult());
+
+        event.getParameterMap().remove(AxKey.NULL_KEY_NAME);
+        result = new AxValidationResult();
+        result = event.validate(result);
+        assertEquals(ValidationResult.VALID, result.getValidationResult());
+
+        event.getParameterMap().put("NullField", null);
+        result = new AxValidationResult();
+        result = event.validate(result);
+        assertEquals(ValidationResult.INVALID, result.getValidationResult());
+
+        event.getParameterMap().remove("NullField");
+        result = new AxValidationResult();
+        result = event.validate(result);
+        assertEquals(ValidationResult.VALID, result.getValidationResult());
+
+        event.getParameterMap().put("NullField", eventField);
+        result = new AxValidationResult();
+        result = event.validate(result);
+        assertEquals(ValidationResult.INVALID, result.getValidationResult());
+
+        event.getParameterMap().remove("NullField");
+        result = new AxValidationResult();
+        result = event.validate(result);
+        assertEquals(ValidationResult.VALID, result.getValidationResult());
+
+        event.getParameterMap().put("BadParent", eventFieldBadParent);
+        result = new AxValidationResult();
+        result = event.validate(result);
+        assertEquals(ValidationResult.INVALID, result.getValidationResult());
+
+        event.getParameterMap().remove("BadParent");
+        result = new AxValidationResult();
+        result = event.validate(result);
+        assertEquals(ValidationResult.VALID, result.getValidationResult());
+
+        event.clean();
+        event.afterUnmarshal(null, null);
+
+        final AxEvent clonedEvent = new AxEvent(event);
+        assertEquals("AxEvent:(key=AxArtifactKey:(name=EventName,version=0.0.1),nameSpace=namespace",
+                clonedEvent.toString().substring(0, 77));
+
+        assertFalse(event.hashCode() == 0);
+
+        assertTrue(event.equals(event));
+        assertTrue(event.equals(clonedEvent));
+        assertFalse(event.equals(null));
+        assertFalse(event.equals("Hello"));
+        assertFalse(
+                event.equals(new AxEvent(AxArtifactKey.getNullKey(), "namespace", "source", "target", parameterMap)));
+        assertFalse(event.equals(new AxEvent(eventKey, "namespace1", "source", "target", parameterMap)));
+        assertFalse(event.equals(new AxEvent(eventKey, "namespace", "source2", "target", parameterMap)));
+        assertFalse(event.equals(new AxEvent(eventKey, "namespace", "source", "target3", parameterMap)));
+        assertFalse(event.equals(new AxEvent(eventKey, "namespace", "source", "target", parameterMapEmpty)));
+        assertTrue(event.equals(new AxEvent(eventKey, "namespace", "source", "target", parameterMap)));
+
+        assertEquals(0, event.compareTo(event));
+        assertEquals(0, event.compareTo(clonedEvent));
+        assertNotEquals(0, event.compareTo(new AxArtifactKey()));
+        assertNotEquals(0, event.compareTo(null));
+        assertNotEquals(0, event
+                .compareTo(new AxEvent(AxArtifactKey.getNullKey(), "namespace", "source", "target", parameterMap)));
+        assertNotEquals(0, event.compareTo(new AxEvent(eventKey, "namespace1", "source", "target", parameterMap)));
+        assertNotEquals(0, event.compareTo(new AxEvent(eventKey, "namespace", "source2", "target", parameterMap)));
+        assertNotEquals(0, event.compareTo(new AxEvent(eventKey, "namespace", "source", "target3", parameterMap)));
+        assertNotEquals(0, event.compareTo(new AxEvent(eventKey, "namespace", "source", "target", parameterMapEmpty)));
+        assertEquals(0, event.compareTo(new AxEvent(eventKey, "namespace", "source", "target", parameterMap)));
+
+        assertNotNull(event.getKeys());
+
+        final AxEvents events = new AxEvents();
+        result = new AxValidationResult();
+        result = events.validate(result);
+        assertEquals(ValidationResult.INVALID, result.getValidationResult());
+
+        // Invalid, no events in event map
+        events.setKey(new AxArtifactKey("EventsKey", "0.0.1"));
+        assertEquals("EventsKey:0.0.1", events.getKey().getID());
+
+        result = new AxValidationResult();
+        result = events.validate(result);
+        assertEquals(ValidationResult.INVALID, result.getValidationResult());
+
+        events.getEventMap().put(eventKey, event);
+        result = new AxValidationResult();
+        result = events.validate(result);
+        assertEquals(ValidationResult.VALID, result.getValidationResult());
+
+        events.getEventMap().put(AxArtifactKey.getNullKey(), null);
+        result = new AxValidationResult();
+        result = events.validate(result);
+        assertEquals(ValidationResult.INVALID, result.getValidationResult());
+
+        events.getEventMap().remove(AxArtifactKey.getNullKey());
+        result = new AxValidationResult();
+        result = events.validate(result);
+        assertEquals(ValidationResult.VALID, result.getValidationResult());
+
+        events.getEventMap().put(new AxArtifactKey("NullValueKey", "0.0.1"), null);
+        result = new AxValidationResult();
+        result = events.validate(result);
+        assertEquals(ValidationResult.INVALID, result.getValidationResult());
+
+        events.getEventMap().remove(new AxArtifactKey("NullValueKey", "0.0.1"));
+        result = new AxValidationResult();
+        result = events.validate(result);
+        assertEquals(ValidationResult.VALID, result.getValidationResult());
+
+        events.getEventMap().put(new AxArtifactKey("BadEventKey", "0.0.1"), event);
+        result = new AxValidationResult();
+        result = events.validate(result);
+        assertEquals(ValidationResult.INVALID, result.getValidationResult());
+
+        events.getEventMap().remove(new AxArtifactKey("BadEventKey", "0.0.1"));
+        result = new AxValidationResult();
+        result = events.validate(result);
+        assertEquals(ValidationResult.VALID, result.getValidationResult());
+
+        events.clean();
+        events.afterUnmarshal(null, null);
+
+        final AxEvents clonedEvents = new AxEvents(events);
+        assertEquals("AxEvents:(key=AxArtifactKey:(name=EventsKey,version=0.0.1),e",
+                clonedEvents.toString().substring(0, 60));
+
+        assertFalse(events.hashCode() == 0);
+
+        assertTrue(events.equals(events));
+        assertTrue(events.equals(clonedEvents));
+        assertFalse(events.equals(null));
+        assertFalse(events.equals("Hello"));
+        assertFalse(events.equals(new AxEvents(new AxArtifactKey())));
+
+        assertEquals(0, events.compareTo(events));
+        assertEquals(0, events.compareTo(clonedEvents));
+        assertNotEquals(0, events.compareTo(null));
+        assertNotEquals(0, events.compareTo(new AxArtifactKey()));
+        assertNotEquals(0, events.compareTo(new AxEvents(new AxArtifactKey())));
+
+        clonedEvents.get(eventKey).setSource("AnotherSource");
+        assertNotEquals(0, events.compareTo(clonedEvents));
+
+        assertEquals(events.getKey(), events.getKeys().get(0));
+
+        assertEquals("EventName", events.get("EventName").getKey().getName());
+        assertEquals("EventName", events.get("EventName", "0.0.1").getKey().getName());
+        assertEquals(1, events.getAll("EventName", "0.0.1").size());
+        assertEquals(0, events.getAll("NonExistantEventsName").size());
+    }
+}
diff --git a/model/event-model/src/test/java/org/onap/policy/apex/model/eventmodel/concepts/TestField.java b/model/event-model/src/test/java/org/onap/policy/apex/model/eventmodel/concepts/TestField.java
new file mode 100644
index 000000000..11b8b745e
--- /dev/null
+++ b/model/event-model/src/test/java/org/onap/policy/apex/model/eventmodel/concepts/TestField.java
@@ -0,0 +1,136 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2016-2018 Ericsson. 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.apex.model.eventmodel.concepts;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
+import org.onap.policy.apex.model.basicmodel.concepts.AxReferenceKey;
+import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult;
+import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult.ValidationResult;
+import org.onap.policy.apex.model.eventmodel.concepts.AxField;
+import org.onap.policy.apex.model.eventmodel.concepts.AxInputField;
+import org.onap.policy.apex.model.eventmodel.concepts.AxOutputField;
+
+/**
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class TestField {
+
+    @Test
+    public void testField() {
+        assertNotNull(new AxField());
+        assertNotNull(new AxField(new AxReferenceKey()));
+        assertNotNull(new AxField(new AxReferenceKey(), new AxArtifactKey()));
+        assertNotNull(new AxField(new AxReferenceKey(), new AxArtifactKey(), false));
+        assertNotNull(new AxField("LocalName", new AxArtifactKey(), false));
+        assertNotNull(new AxField("LocalName", new AxArtifactKey()));
+        assertNotNull(new AxField("LocalName", new AxArtifactKey(), false));
+
+        assertNotNull(new AxInputField());
+        assertNotNull(new AxInputField(new AxReferenceKey()));
+        assertNotNull(new AxInputField(new AxReferenceKey(), new AxArtifactKey()));
+        assertNotNull(new AxInputField(new AxReferenceKey(), new AxArtifactKey(), true));
+        assertNotNull(new AxInputField("LocalName", new AxArtifactKey()));
+        assertNotNull(new AxInputField(new AxInputField()));
+
+        assertNotNull(new AxOutputField());
+        assertNotNull(new AxOutputField(new AxReferenceKey()));
+        assertNotNull(new AxOutputField(new AxReferenceKey(), new AxArtifactKey()));
+        assertNotNull(new AxOutputField(new AxReferenceKey(), new AxArtifactKey(), false));
+        assertNotNull(new AxOutputField("LocalName", new AxArtifactKey()));
+        assertNotNull(new AxOutputField(new AxOutputField()));
+
+        final AxField field = new AxField();
+
+        final AxReferenceKey fieldKey = new AxReferenceKey("FieldName", "0.0.1", "PLN", "LN");
+        field.setKey(fieldKey);
+        assertEquals("FieldName:0.0.1:PLN:LN", field.getKey().getID());
+        assertEquals("FieldName:0.0.1:PLN:LN", field.getKeys().get(0).getID());
+
+        final AxArtifactKey schemaKey = new AxArtifactKey("SchemaName", "0.0.1");
+        field.setSchema(schemaKey);
+        assertEquals("SchemaName:0.0.1", field.getSchema().getID());
+
+        assertEquals(false, field.getOptional());
+        field.setOptional(true);
+        assertEquals(true, field.getOptional());
+
+        AxValidationResult result = new AxValidationResult();
+        result = field.validate(result);
+        assertEquals(AxValidationResult.ValidationResult.VALID, result.getValidationResult());
+
+        field.setKey(AxReferenceKey.getNullKey());
+        result = new AxValidationResult();
+        result = field.validate(result);
+        assertEquals(ValidationResult.INVALID, result.getValidationResult());
+
+        field.setKey(fieldKey);
+        result = new AxValidationResult();
+        result = field.validate(result);
+        assertEquals(ValidationResult.VALID, result.getValidationResult());
+
+        field.setSchema(AxArtifactKey.getNullKey());
+        result = new AxValidationResult();
+        result = field.validate(result);
+        assertEquals(ValidationResult.INVALID, result.getValidationResult());
+
+        field.setSchema(schemaKey);
+        result = new AxValidationResult();
+        result = field.validate(result);
+        assertEquals(ValidationResult.VALID, result.getValidationResult());
+
+        field.clean();
+
+        final AxField clonedField = new AxField(field);
+        assertEquals(
+                "AxField:(key=AxReferenceKey:(parentKeyName=FieldName,parentKeyVersion=0.0.1,parentLocalName=PLN,localName=LN),fieldSchemaKey=AxArtifactKey:(name=SchemaName,version=0.0.1),optional=true)",
+                clonedField.toString());
+
+        assertFalse(field.hashCode() == 0);
+
+        assertTrue(field.equals(field));
+        assertTrue(field.equals(clonedField));
+        assertFalse(field.equals(null));
+        assertFalse(field.equals("Hello"));
+        assertFalse(field.equals(new AxField(AxReferenceKey.getNullKey(), AxArtifactKey.getNullKey(), false)));
+        assertFalse(field.equals(new AxField(fieldKey, AxArtifactKey.getNullKey(), false)));
+        assertFalse(field.equals(new AxField(fieldKey, schemaKey, false)));
+        assertTrue(field.equals(new AxField(fieldKey, schemaKey, true)));
+
+        assertEquals(0, field.compareTo(field));
+        assertEquals(0, field.compareTo(clonedField));
+        assertNotEquals(0, field.compareTo(new AxArtifactKey()));
+        assertNotEquals(0, field.compareTo(null));
+        assertNotEquals(0,
+                field.compareTo(new AxField(AxReferenceKey.getNullKey(), AxArtifactKey.getNullKey(), false)));
+        assertNotEquals(0, field.compareTo(new AxField(fieldKey, AxArtifactKey.getNullKey(), false)));
+        assertNotEquals(0, field.compareTo(new AxField(fieldKey, schemaKey, false)));
+        assertEquals(0, field.compareTo(new AxField(fieldKey, schemaKey, true)));
+
+        assertNotNull(field.getKeys());
+    }
+}
diff --git a/model/event-model/src/test/java/org/onap/policy/apex/model/eventmodel/handling/TestApexEventModel.java b/model/event-model/src/test/java/org/onap/policy/apex/model/eventmodel/handling/TestApexEventModel.java
new file mode 100644
index 000000000..ee2638a54
--- /dev/null
+++ b/model/event-model/src/test/java/org/onap/policy/apex/model/eventmodel/handling/TestApexEventModel.java
@@ -0,0 +1,184 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2016-2018 Ericsson. 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.apex.model.eventmodel.handling;
+
+import static org.junit.Assert.assertTrue;
+
+import java.io.File;
+import java.sql.Connection;
+import java.sql.DriverManager;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult;
+import org.onap.policy.apex.model.basicmodel.dao.DAOParameters;
+import org.onap.policy.apex.model.basicmodel.test.TestApexModel;
+import org.onap.policy.apex.model.eventmodel.concepts.AxEventModel;
+
+public class TestApexEventModel {
+    private Connection connection;
+    TestApexModel<AxEventModel> testApexModel;
+
+    @Before
+    public void setup() throws Exception {
+        Class.forName("org.apache.derby.jdbc.EmbeddedDriver").newInstance();
+        connection = DriverManager.getConnection("jdbc:derby:memory:apex_test;create=true");
+
+        testApexModel = new TestApexModel<AxEventModel>(AxEventModel.class, new TestApexEventModelCreator());
+    }
+
+    @After
+    public void teardown() throws Exception {
+        connection.close();
+        new File("derby.log").delete();
+    }
+
+    @Test
+    public void testModelValid() throws Exception {
+        final AxValidationResult result = testApexModel.testApexModelValid();
+        assertTrue(result.toString().equals(VALID_MODEL_STRING));
+    }
+
+    @Test
+    public void testApexModelVaidateObservation() throws Exception {
+        final AxValidationResult result = testApexModel.testApexModelVaidateObservation();
+        assertTrue(result.toString().equals(OBSERVATION_MODEL_STRING));
+    }
+
+    @Test
+    public void testApexModelVaidateWarning() throws Exception {
+        final AxValidationResult result = testApexModel.testApexModelVaidateWarning();
+        assertTrue(result.toString().equals(WARNING_MODEL_STRING));
+    }
+
+    @Test
+    public void testModelVaidateInvalidModel() throws Exception {
+        final AxValidationResult result = testApexModel.testApexModelVaidateInvalidModel();
+        assertTrue(result.toString().equals(INVALID_MODEL_STRING));
+    }
+
+    @Test
+    public void testModelVaidateMalstructured() throws Exception {
+        final AxValidationResult result = testApexModel.testApexModelVaidateMalstructured();
+        assertTrue(result.toString().equals(INVALID_MODEL_MALSTRUCTURED_STRING));
+    }
+
+    @Test
+    public void testModelWriteReadXML() throws Exception {
+        testApexModel.testApexModelWriteReadXML();
+    }
+
+    @Test
+    public void testModelWriteReadJSON() throws Exception {
+        testApexModel.testApexModelWriteReadJSON();
+    }
+
+    @Test
+    public void testModelWriteReadJPA() throws Exception {
+        final DAOParameters daoParameters = new DAOParameters();
+        daoParameters.setPluginClass("org.onap.policy.apex.model.basicmodel.dao.impl.DefaultApexDao");
+        daoParameters.setPersistenceUnit("DAOTest");
+
+        testApexModel.testApexModelWriteReadJPA(daoParameters);
+    }
+
+    private static final String VALID_MODEL_STRING = "***validation of model successful***";
+
+    private static final String OBSERVATION_MODEL_STRING = "\n"
+            + "***observations noted during validation of model***\n"
+            + "AxArtifactKey:(name=event0,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:OBSERVATION:source on event is blank\n"
+            + "AxArtifactKey:(name=event0,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:OBSERVATION:target on event is blank\n"
+            + "AxArtifactKey:(name=event1,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:OBSERVATION:source on event is blank\n"
+            + "AxArtifactKey:(name=event1,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:OBSERVATION:target on event is blank\n"
+            + "AxArtifactKey:(name=event2,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:OBSERVATION:source on event is blank\n"
+            + "AxArtifactKey:(name=event2,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:OBSERVATION:target on event is blank\n"
+            + "********************************";
+
+    private static final String WARNING_MODEL_STRING = "\n" + "***warnings issued during validation of model***\n"
+            + "AxArtifactKey:(name=event0,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:WARNING:nameSpace on event is blank\n"
+            + "AxArtifactKey:(name=event0,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:OBSERVATION:source on event is blank\n"
+            + "AxArtifactKey:(name=event0,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:OBSERVATION:target on event is blank\n"
+            + "AxArtifactKey:(name=event1,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:WARNING:nameSpace on event is blank\n"
+            + "AxArtifactKey:(name=event1,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:OBSERVATION:source on event is blank\n"
+            + "AxArtifactKey:(name=event1,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:OBSERVATION:target on event is blank\n"
+            + "AxArtifactKey:(name=event2,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:WARNING:nameSpace on event is blank\n"
+            + "AxArtifactKey:(name=event2,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:OBSERVATION:source on event is blank\n"
+            + "AxArtifactKey:(name=event2,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:OBSERVATION:target on event is blank\n"
+            + "********************************";
+
+    private static final String INVALID_MODEL_STRING = "\n" + "***validation of model failed***\n"
+            + "AxArtifactKey:(name=KeyInfoMapKey,version=0.0.1):org.onap.policy.apex.model.basicmodel.concepts.AxKeyInformation:INVALID:keyInfoMap may not be empty\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for key AxArtifactKey:(name=smallEventModel,version=0.0.1)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for key AxArtifactKey:(name=KeyInfoMapKey,version=0.0.1)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for key AxArtifactKey:(name=Schemas,version=0.0.1)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for key AxArtifactKey:(name=BigIntType,version=0.0.1)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for key AxArtifactKey:(name=BooleanType,version=0.0.1)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for key AxArtifactKey:(name=IntType,version=0.0.1)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for key AxArtifactKey:(name=MapType,version=0.0.1)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for key AxArtifactKey:(name=SetType,version=0.0.1)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for key AxArtifactKey:(name=StringType,version=0.0.1)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for key AxArtifactKey:(name=smallEventMap,version=0.0.1)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for key AxArtifactKey:(name=event0,version=0.0.1)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for parent key of key AxReferenceKey:(parentKeyName=event0,parentKeyVersion=0.0.1,parentLocalName=NULL,localName=par0)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for parent key of key AxReferenceKey:(parentKeyName=event0,parentKeyVersion=0.0.1,parentLocalName=NULL,localName=par1)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for parent key of key AxReferenceKey:(parentKeyName=event0,parentKeyVersion=0.0.1,parentLocalName=NULL,localName=par2)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for parent key of key AxReferenceKey:(parentKeyName=event0,parentKeyVersion=0.0.1,parentLocalName=NULL,localName=par3)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for parent key of key AxReferenceKey:(parentKeyName=event0,parentKeyVersion=0.0.1,parentLocalName=NULL,localName=par4)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for parent key of key AxReferenceKey:(parentKeyName=event0,parentKeyVersion=0.0.1,parentLocalName=NULL,localName=par5)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for parent key of key AxReferenceKey:(parentKeyName=event0,parentKeyVersion=0.0.1,parentLocalName=NULL,localName=par6)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for key AxArtifactKey:(name=event1,version=0.0.1)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for parent key of key AxReferenceKey:(parentKeyName=event0,parentKeyVersion=0.0.1,parentLocalName=NULL,localName=theOnlyPar)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:duplicate key AxArtifactKey:(name=event1,version=0.0.1) found\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for key AxArtifactKey:(name=event1,version=0.0.1)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:duplicate key AxReferenceKey:(parentKeyName=event0,parentKeyVersion=0.0.1,parentLocalName=NULL,localName=theOnlyPar) found\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for parent key of key AxReferenceKey:(parentKeyName=event0,parentKeyVersion=0.0.1,parentLocalName=NULL,localName=theOnlyPar)\n"
+            + "AxArtifactKey:(name=event0,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:OBSERVATION:source on event is blank\n"
+            + "AxArtifactKey:(name=event0,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:OBSERVATION:target on event is blank\n"
+            + "AxArtifactKey:(name=event1,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:OBSERVATION:source on event is blank\n"
+            + "AxArtifactKey:(name=event1,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:OBSERVATION:target on event is blank\n"
+            + "AxArtifactKey:(name=event1,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:INVALID:parent key on parameter field AxReferenceKey:(parentKeyName=event0,parentKeyVersion=0.0.1,parentLocalName=NULL,localName=theOnlyPar) does not equal event key\n"
+            + "AxArtifactKey:(name=smallEventMap,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvents:INVALID:key on event entry key AxArtifactKey:(name=event2,version=0.0.1) does not equal event value key AxArtifactKey:(name=event1,version=0.0.1)\n"
+            + "AxArtifactKey:(name=event1,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:OBSERVATION:source on event is blank\n"
+            + "AxArtifactKey:(name=event1,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:OBSERVATION:target on event is blank\n"
+            + "AxArtifactKey:(name=event1,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:INVALID:parent key on parameter field AxReferenceKey:(parentKeyName=event0,parentKeyVersion=0.0.1,parentLocalName=NULL,localName=theOnlyPar) does not equal event key\n"
+            + "********************************";
+
+    private static final String INVALID_MODEL_MALSTRUCTURED_STRING = "\n" + "***validation of model failed***\n"
+            + "AxArtifactKey:(name=KeyInfoMapKey,version=0.0.1):org.onap.policy.apex.model.basicmodel.concepts.AxKeyInformation:INVALID:keyInfoMap may not be empty\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for key AxArtifactKey:(name=smallEventModel,version=0.0.1)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for key AxArtifactKey:(name=KeyInfoMapKey,version=0.0.1)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for key AxArtifactKey:(name=Schemas,version=0.0.1)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for key AxArtifactKey:(name=SetType,version=0.0.1)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for key AxArtifactKey:(name=smallEventMap,version=0.0.1)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for key AxArtifactKey:(name=event1,version=0.0.1)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for parent key of key AxReferenceKey:(parentKeyName=event1,parentKeyVersion=0.0.1,parentLocalName=NULL,localName=theOnlyPar)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:duplicate key AxArtifactKey:(name=event1,version=0.0.1) found\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for key AxArtifactKey:(name=event1,version=0.0.1)\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:duplicate key AxReferenceKey:(parentKeyName=event1,parentKeyVersion=0.0.1,parentLocalName=NULL,localName=theOnlyPar) found\n"
+            + "AxArtifactKey:(name=smallEventModel,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEventModel:INVALID:key information not found for parent key of key AxReferenceKey:(parentKeyName=event1,parentKeyVersion=0.0.1,parentLocalName=NULL,localName=theOnlyPar)\n"
+            + "AxArtifactKey:(name=event1,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:OBSERVATION:source on event is blank\n"
+            + "AxArtifactKey:(name=event1,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:OBSERVATION:target on event is blank\n"
+            + "AxArtifactKey:(name=smallEventMap,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvents:INVALID:key on event entry key AxArtifactKey:(name=event2,version=0.0.1) does not equal event value key AxArtifactKey:(name=event1,version=0.0.1)\n"
+            + "AxArtifactKey:(name=event1,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:OBSERVATION:source on event is blank\n"
+            + "AxArtifactKey:(name=event1,version=0.0.1):org.onap.policy.apex.model.eventmodel.concepts.AxEvent:OBSERVATION:target on event is blank\n"
+            + "********************************";
+}
diff --git a/model/event-model/src/test/java/org/onap/policy/apex/model/eventmodel/handling/TestApexEventModelCreator.java b/model/event-model/src/test/java/org/onap/policy/apex/model/eventmodel/handling/TestApexEventModelCreator.java
new file mode 100644
index 000000000..039d2305b
--- /dev/null
+++ b/model/event-model/src/test/java/org/onap/policy/apex/model/eventmodel/handling/TestApexEventModelCreator.java
@@ -0,0 +1,309 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2016-2018 Ericsson. 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.apex.model.eventmodel.handling;
+
+import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
+import org.onap.policy.apex.model.basicmodel.concepts.AxKeyInformation;
+import org.onap.policy.apex.model.basicmodel.concepts.AxReferenceKey;
+import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult;
+import org.onap.policy.apex.model.basicmodel.test.TestApexModelCreator;
+import org.onap.policy.apex.model.contextmodel.concepts.AxContextSchema;
+import org.onap.policy.apex.model.contextmodel.concepts.AxContextSchemas;
+import org.onap.policy.apex.model.eventmodel.concepts.AxEvent;
+import org.onap.policy.apex.model.eventmodel.concepts.AxEventModel;
+import org.onap.policy.apex.model.eventmodel.concepts.AxEvents;
+import org.onap.policy.apex.model.eventmodel.concepts.AxField;
+
+public class TestApexEventModelCreator implements TestApexModelCreator<AxEventModel> {
+
+    @Override
+    public AxEventModel getModel() {
+        final AxContextSchema axSchema0 =
+                new AxContextSchema(new AxArtifactKey("BooleanType", "0.0.1"), "Java", "java.lang.Boolean");
+        final AxContextSchema axSchema1 =
+                new AxContextSchema(new AxArtifactKey("IntType", "0.0.1"), "Java", "java.lang.Integer");
+        final AxContextSchema axSchema2 =
+                new AxContextSchema(new AxArtifactKey("StringType", "0.0.1"), "Java", "java.lang.String");
+        final AxContextSchema axSchema3 = new AxContextSchema(new AxArtifactKey("KeyType", "0.0.1"), "Java",
+                "org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey");
+        final AxContextSchema axSchema4 = new AxContextSchema(new AxArtifactKey("MapType", "0.0.1"), "Java",
+                "org.onap.policy.apex.model.basicmodel.concepts.AxKeyInformation");
+        final AxContextSchema axSchema5 =
+                new AxContextSchema(new AxArtifactKey("BigIntType", "0.0.1"), "Java", "java.math.BigInteger");
+        final AxContextSchema axSchema6 = new AxContextSchema(new AxArtifactKey("ModelType", "0.0.1"), "Java",
+                "org.onap.policy.apex.model.basicmodel.concepts.AxModel");
+
+        final AxContextSchemas dataTypes = new AxContextSchemas(new AxArtifactKey("Schemas", "0.0.1"));
+        dataTypes.getSchemasMap().put(axSchema0.getKey(), axSchema0);
+        dataTypes.getSchemasMap().put(axSchema1.getKey(), axSchema1);
+        dataTypes.getSchemasMap().put(axSchema2.getKey(), axSchema2);
+        dataTypes.getSchemasMap().put(axSchema3.getKey(), axSchema3);
+        dataTypes.getSchemasMap().put(axSchema4.getKey(), axSchema4);
+        dataTypes.getSchemasMap().put(axSchema5.getKey(), axSchema5);
+        dataTypes.getSchemasMap().put(axSchema6.getKey(), axSchema6);
+
+        final AxEvents eventMap = new AxEvents(new AxArtifactKey("smallEventMap", "0.0.1"));
+
+        final AxEvent event0 = new AxEvent(new AxArtifactKey("event0", "0.0.1"),
+                "org.onap.policy.apex.model.eventmodel.events", "Source", "Target");
+        event0.getParameterMap().put("par0",
+                new AxField(new AxReferenceKey(event0.getKey(), "par0"), axSchema0.getKey()));
+        event0.getParameterMap().put("par1",
+                new AxField(new AxReferenceKey(event0.getKey(), "par1"), axSchema1.getKey()));
+        event0.getParameterMap().put("par2",
+                new AxField(new AxReferenceKey(event0.getKey(), "par2"), axSchema2.getKey()));
+        event0.getParameterMap().put("par3",
+                new AxField(new AxReferenceKey(event0.getKey(), "par3"), axSchema6.getKey()));
+        event0.getParameterMap().put("par4",
+                new AxField(new AxReferenceKey(event0.getKey(), "par4"), axSchema4.getKey()));
+        event0.getParameterMap().put("par5",
+                new AxField(new AxReferenceKey(event0.getKey(), "par5"), axSchema5.getKey()));
+        event0.getParameterMap().put("par6",
+                new AxField(new AxReferenceKey(event0.getKey(), "par6"), axSchema5.getKey()));
+        eventMap.getEventMap().put(event0.getKey(), event0);
+
+        final AxEvent event1 = new AxEvent(new AxArtifactKey("event1", "0.0.1"),
+                "org.onap.policy.apex.model.eventmodel.events", "Source", "Target");
+        event1.getParameterMap().put("theOnlyPar",
+                new AxField(new AxReferenceKey(event1.getKey(), "theOnlyPar"), axSchema3.getKey()));
+        eventMap.getEventMap().put(event1.getKey(), event1);
+
+        final AxEvent event2 = new AxEvent(new AxArtifactKey("event2", "0.0.1"),
+                "org.onap.policy.apex.model.eventmodel.events", "Source", "Target");
+        eventMap.getEventMap().put(event2.getKey(), event2);
+
+        final AxKeyInformation keyInformation = new AxKeyInformation(new AxArtifactKey("KeyInfoMapKey", "0.0.1"));
+
+        final AxEventModel eventModel =
+                new AxEventModel(new AxArtifactKey("EventModel", "0.0.1"), dataTypes, keyInformation, eventMap);
+        keyInformation.generateKeyInfo(eventModel);
+
+        eventModel.validate(new AxValidationResult());
+        return eventModel;
+    }
+
+    @Override
+    public AxEventModel getInvalidModel() {
+        final AxContextSchema axSchema0 =
+                new AxContextSchema(new AxArtifactKey("BooleanType", "0.0.1"), "Java", "java.lang.Zoolean");
+        final AxContextSchema axSchema1 =
+                new AxContextSchema(new AxArtifactKey("IntType", "0.0.1"), "Java", "java.lang.Integer");
+        final AxContextSchema axSchema2 =
+                new AxContextSchema(new AxArtifactKey("StringType", "0.0.1"), "Java", "java.lang.String");
+        final AxContextSchema axSchema3 =
+                new AxContextSchema(new AxArtifactKey("SetType", "0.0.1"), "Java", "java.util.Set");
+        final AxContextSchema axSchema4 =
+                new AxContextSchema(new AxArtifactKey("MapType", "0.0.1"), "Java", "java.util.Map");
+        final AxContextSchema axSchema5 =
+                new AxContextSchema(new AxArtifactKey("BigIntType", "0.0.1"), "Java", "java.math.BigInteger");
+
+        final AxContextSchemas dataTypes = new AxContextSchemas(new AxArtifactKey("Schemas", "0.0.1"));
+        dataTypes.getSchemasMap().put(axSchema0.getKey(), axSchema0);
+        dataTypes.getSchemasMap().put(axSchema1.getKey(), axSchema1);
+        dataTypes.getSchemasMap().put(axSchema2.getKey(), axSchema2);
+        dataTypes.getSchemasMap().put(axSchema3.getKey(), axSchema3);
+        dataTypes.getSchemasMap().put(axSchema4.getKey(), axSchema4);
+        dataTypes.getSchemasMap().put(axSchema5.getKey(), axSchema5);
+
+        final AxEvents eventMap = new AxEvents(new AxArtifactKey("smallEventMap", "0.0.1"));
+
+        final AxEvent event0 =
+                new AxEvent(new AxArtifactKey("event0", "0.0.1"), "org.onap.policy.apex.model.eventmodel.events");
+        event0.getParameterMap().put("par0",
+                new AxField(new AxReferenceKey(event0.getKey(), "par0"), axSchema0.getKey()));
+        event0.getParameterMap().put("par1",
+                new AxField(new AxReferenceKey(event0.getKey(), "par1"), axSchema1.getKey()));
+        event0.getParameterMap().put("par2",
+                new AxField(new AxReferenceKey(event0.getKey(), "par2"), axSchema2.getKey()));
+        event0.getParameterMap().put("par3",
+                new AxField(new AxReferenceKey(event0.getKey(), "par3"), axSchema3.getKey()));
+        event0.getParameterMap().put("par4",
+                new AxField(new AxReferenceKey(event0.getKey(), "par4"), axSchema4.getKey()));
+        event0.getParameterMap().put("par5",
+                new AxField(new AxReferenceKey(event0.getKey(), "par5"), axSchema5.getKey()));
+        event0.getParameterMap().put("par6",
+                new AxField(new AxReferenceKey(event0.getKey(), "par6"), axSchema5.getKey()));
+        eventMap.getEventMap().put(event0.getKey(), event0);
+
+        final AxEvent event1 =
+                new AxEvent(new AxArtifactKey("event1", "0.0.1"), "org.onap.policy.apex.model.eventmodel.events");
+        event1.getParameterMap().put("theOnlyPar",
+                new AxField(new AxReferenceKey(event0.getKey(), "theOnlyPar"), axSchema3.getKey()));
+        eventMap.getEventMap().put(event1.getKey(), event1);
+
+        final AxEvent event2 =
+                new AxEvent(new AxArtifactKey("event2", "0.0.1"), "org.onap.policy.apex.model.eventmodel.events");
+        eventMap.getEventMap().put(event2.getKey(), event1);
+
+        final AxKeyInformation keyInformation = new AxKeyInformation(new AxArtifactKey("KeyInfoMapKey", "0.0.1"));
+
+        final AxEventModel eventModel =
+                new AxEventModel(new AxArtifactKey("smallEventModel", "0.0.1"), dataTypes, keyInformation, eventMap);
+
+        return eventModel;
+    }
+
+    @Override
+    public AxEventModel getMalstructuredModel() {
+        final AxContextSchema axSchema3 =
+                new AxContextSchema(new AxArtifactKey("SetType", "0.0.1"), "Java", "java.util.Set");
+        final AxContextSchemas dataTypes = new AxContextSchemas(new AxArtifactKey("Schemas", "0.0.1"));
+        dataTypes.getSchemasMap().put(axSchema3.getKey(), axSchema3);
+
+        final AxEvents eventMap = new AxEvents(new AxArtifactKey("smallEventMap", "0.0.1"));
+
+        final AxEvent event1 =
+                new AxEvent(new AxArtifactKey("event1", "0.0.1"), "org.onap.policy.apex.model.eventmodel.events");
+        event1.getParameterMap().put("theOnlyPar",
+                new AxField(new AxReferenceKey(event1.getKey(), "theOnlyPar"), axSchema3.getKey()));
+        eventMap.getEventMap().put(event1.getKey(), event1);
+
+        final AxEvent event2 =
+                new AxEvent(new AxArtifactKey("event2", "0.0.1"), "org.onap.policy.apex.model.eventmodel.events");
+        eventMap.getEventMap().put(event2.getKey(), event1);
+
+        final AxKeyInformation keyInformation = new AxKeyInformation(new AxArtifactKey("KeyInfoMapKey", "0.0.1"));
+
+        final AxEventModel eventModel =
+                new AxEventModel(new AxArtifactKey("smallEventModel", "0.0.1"), dataTypes, keyInformation, eventMap);
+
+        eventModel.validate(new AxValidationResult());
+
+        return eventModel;
+    }
+
+    @Override
+    public AxEventModel getWarningModel() {
+        final AxContextSchema axSchema0 =
+                new AxContextSchema(new AxArtifactKey("BooleanType", "0.0.1"), "Java", "java.lang.Boolean");
+        final AxContextSchema axSchema1 =
+                new AxContextSchema(new AxArtifactKey("IntType", "0.0.1"), "Java", "java.lang.Integer");
+        final AxContextSchema axSchema2 =
+                new AxContextSchema(new AxArtifactKey("StringType", "0.0.1"), "Java", "java.lang.String");
+        final AxContextSchema axSchema3 =
+                new AxContextSchema(new AxArtifactKey("SetType", "0.0.1"), "Java", "java.util.Set");
+        final AxContextSchema axSchema4 =
+                new AxContextSchema(new AxArtifactKey("MapType", "0.0.1"), "Java", "java.util.Map");
+        final AxContextSchema axSchema5 =
+                new AxContextSchema(new AxArtifactKey("BigIntType", "0.0.1"), "Java", "java.math.BigInteger");
+        final AxContextSchemas dataTypes = new AxContextSchemas(new AxArtifactKey("Schemas", "0.0.1"));
+        dataTypes.getSchemasMap().put(axSchema0.getKey(), axSchema0);
+        dataTypes.getSchemasMap().put(axSchema1.getKey(), axSchema1);
+        dataTypes.getSchemasMap().put(axSchema2.getKey(), axSchema2);
+        dataTypes.getSchemasMap().put(axSchema3.getKey(), axSchema3);
+        dataTypes.getSchemasMap().put(axSchema4.getKey(), axSchema4);
+        dataTypes.getSchemasMap().put(axSchema5.getKey(), axSchema5);
+
+        final AxEvents eventMap = new AxEvents(new AxArtifactKey("smallEventMap", "0.0.1"));
+
+        final AxEvent event0 = new AxEvent(new AxArtifactKey("event0", "0.0.1"), "");
+        event0.getParameterMap().put("par0",
+                new AxField(new AxReferenceKey(event0.getKey(), "par0"), axSchema0.getKey()));
+        event0.getParameterMap().put("par1",
+                new AxField(new AxReferenceKey(event0.getKey(), "par1"), axSchema1.getKey()));
+        event0.getParameterMap().put("par2",
+                new AxField(new AxReferenceKey(event0.getKey(), "par2"), axSchema2.getKey()));
+        event0.getParameterMap().put("par3",
+                new AxField(new AxReferenceKey(event0.getKey(), "par3"), axSchema3.getKey()));
+        event0.getParameterMap().put("par4",
+                new AxField(new AxReferenceKey(event0.getKey(), "par4"), axSchema4.getKey()));
+        event0.getParameterMap().put("par5",
+                new AxField(new AxReferenceKey(event0.getKey(), "par5"), axSchema5.getKey()));
+        eventMap.getEventMap().put(event0.getKey(), event0);
+
+        final AxEvent event1 = new AxEvent(new AxArtifactKey("event1", "0.0.1"), "");
+        event1.getParameterMap().put("theOnlyPar",
+                new AxField(new AxReferenceKey(event1.getKey(), "theOnlyPar"), axSchema3.getKey()));
+        eventMap.getEventMap().put(event1.getKey(), event1);
+
+        final AxEvent event2 = new AxEvent(new AxArtifactKey("event2", "0.0.1"), "");
+        eventMap.getEventMap().put(event2.getKey(), event2);
+
+        final AxKeyInformation keyInformation = new AxKeyInformation(new AxArtifactKey("KeyInfoMapKey", "0.0.1"));
+
+        final AxEventModel eventModel =
+                new AxEventModel(new AxArtifactKey("smallEventModel", "0.0.1"), dataTypes, keyInformation, eventMap);
+        eventModel.getKeyInformation().generateKeyInfo(eventModel);
+        eventModel.validate(new AxValidationResult());
+
+        return eventModel;
+    }
+
+    @Override
+    public AxEventModel getObservationModel() {
+        final AxContextSchema axSchema0 =
+                new AxContextSchema(new AxArtifactKey("BooleanType", "0.0.1"), "Java", "java.lang.Boolean");
+        final AxContextSchema axSchema1 =
+                new AxContextSchema(new AxArtifactKey("IntType", "0.0.1"), "Java", "java.lang.Integer");
+        final AxContextSchema axSchema2 =
+                new AxContextSchema(new AxArtifactKey("StringType", "0.0.1"), "Java", "java.lang.String");
+        final AxContextSchema axSchema3 =
+                new AxContextSchema(new AxArtifactKey("SetType", "0.0.1"), "Java", "java.util.Set");
+        final AxContextSchema axSchema4 =
+                new AxContextSchema(new AxArtifactKey("MapType", "0.0.1"), "Java", "java.util.Map");
+        final AxContextSchema axSchema5 =
+                new AxContextSchema(new AxArtifactKey("BigIntType", "0.0.1"), "Java", "java.math.BigInteger");
+        final AxContextSchemas schemas = new AxContextSchemas(new AxArtifactKey("Schemas", "0.0.1"));
+        schemas.getSchemasMap().put(axSchema0.getKey(), axSchema0);
+        schemas.getSchemasMap().put(axSchema1.getKey(), axSchema1);
+        schemas.getSchemasMap().put(axSchema2.getKey(), axSchema2);
+        schemas.getSchemasMap().put(axSchema3.getKey(), axSchema3);
+        schemas.getSchemasMap().put(axSchema4.getKey(), axSchema4);
+        schemas.getSchemasMap().put(axSchema5.getKey(), axSchema5);
+
+        final AxEvents eventMap = new AxEvents(new AxArtifactKey("smallEventMap", "0.0.1"));
+
+        final AxEvent event0 =
+                new AxEvent(new AxArtifactKey("event0", "0.0.1"), "org.onap.policy.apex.model.eventmodel.events");
+        event0.getParameterMap().put("par0",
+                new AxField(new AxReferenceKey(event0.getKey(), "par0"), axSchema0.getKey()));
+        event0.getParameterMap().put("par1",
+                new AxField(new AxReferenceKey(event0.getKey(), "par1"), axSchema1.getKey()));
+        event0.getParameterMap().put("par2",
+                new AxField(new AxReferenceKey(event0.getKey(), "par2"), axSchema2.getKey()));
+        event0.getParameterMap().put("par3",
+                new AxField(new AxReferenceKey(event0.getKey(), "par3"), axSchema3.getKey()));
+        event0.getParameterMap().put("par4",
+                new AxField(new AxReferenceKey(event0.getKey(), "par4"), axSchema4.getKey()));
+        event0.getParameterMap().put("par5",
+                new AxField(new AxReferenceKey(event0.getKey(), "par5"), axSchema5.getKey()));
+        eventMap.getEventMap().put(event0.getKey(), event0);
+
+        final AxEvent event1 =
+                new AxEvent(new AxArtifactKey("event1", "0.0.1"), "org.onap.policy.apex.model.eventmodel.events");
+        event1.getParameterMap().put("theOnlyPar",
+                new AxField(new AxReferenceKey(event1.getKey(), "theOnlyPar"), axSchema3.getKey()));
+        eventMap.getEventMap().put(event1.getKey(), event1);
+
+        final AxEvent event2 =
+                new AxEvent(new AxArtifactKey("event2", "0.0.1"), "org.onap.policy.apex.model.eventmodel.events");
+        eventMap.getEventMap().put(event2.getKey(), event2);
+
+        final AxKeyInformation keyInformation = new AxKeyInformation(new AxArtifactKey("KeyInfoMapKey", "0.0.1"));
+
+        final AxEventModel eventModel =
+                new AxEventModel(new AxArtifactKey("smallEventModel", "0.0.1"), schemas, keyInformation, eventMap);
+        eventModel.getKeyInformation().generateKeyInfo(eventModel);
+        eventModel.validate(new AxValidationResult());
+
+        return eventModel;
+    }
+}