Moving all files to root directory

Change-Id: Ica5535fd6ec85f350fe1640b42137b49f83f10f0
Signed-off-by: Patrick Brady <pb071s@att.com>

14 files changed, 668 insertions, 0 deletions

diff --git a/appc-dispatcher/appc-dispatcher-common/state-machine-lib/.gitignore b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/.gitignore
new file mode 100644
index 000000000..b83d22266
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/.gitignore
@@ -0,0 +1 @@
+/target/
diff --git a/appc-dispatcher/appc-dispatcher-common/state-machine-lib/.settings/org.eclipse.wst.common.project.facet.core.xml b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/.settings/org.eclipse.wst.common.project.facet.core.xml
new file mode 100644
index 000000000..f4ef8aa0a
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/.settings/org.eclipse.wst.common.project.facet.core.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<faceted-project>
+  <installed facet="java" version="1.8"/>
+</faceted-project>
diff --git a/appc-dispatcher/appc-dispatcher-common/state-machine-lib/pom.xml b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/pom.xml
new file mode 100644
index 000000000..10f74c6da
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/pom.xml
@@ -0,0 +1,32 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.openecomp.appc</groupId>
+        <artifactId>appc-dispatcher-common</artifactId>
+        <version>1.0.0</version>
+    </parent>
+  <artifactId>state-machine-lib</artifactId>
+  <packaging>bundle</packaging>
+
+  <name>state-machine-lib</name>
+  <url>http://maven.apache.org</url>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-bundle-plugin</artifactId>
+                <configuration>
+                    <instructions>
+                        <Bundle-SymbolicName>${project.artifactId}</Bundle-SymbolicName>
+                        <Bundle-Version>${project.version}</Bundle-Version>
+                        <Export-Package>org.openecomp.appc.statemachine.*</Export-Package>
+                    </instructions>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>
diff --git a/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/StateMachine.java b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/StateMachine.java
new file mode 100644
index 000000000..daa8a1ed3
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/StateMachine.java
@@ -0,0 +1,29 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 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.openecomp.appc.statemachine;
+
+import org.openecomp.appc.statemachine.objects.*;
+
+
+public interface StateMachine {
+    StateMachineResponse handleEvent(State currentState, Event event) throws InvalidInputException;
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/impl/StateMachineFactory.java b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/impl/StateMachineFactory.java
new file mode 100644
index 000000000..d8a135be4
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/impl/StateMachineFactory.java
@@ -0,0 +1,43 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 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.openecomp.appc.statemachine.impl;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.openecomp.appc.statemachine.StateMachine;
+import org.openecomp.appc.statemachine.objects.Event;
+import org.openecomp.appc.statemachine.objects.State;
+import org.openecomp.appc.statemachine.objects.StateMachineMetadata;
+
+
+public class StateMachineFactory {
+
+    private StateMachineFactory(){
+
+    }
+
+    public static StateMachine getStateMachine(StateMachineMetadata metadata){
+        StateMachine machine = new StateMachineImpl(metadata);
+        return machine;
+    }
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/impl/StateMachineImpl.java b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/impl/StateMachineImpl.java
new file mode 100644
index 000000000..f4f6612f8
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/impl/StateMachineImpl.java
@@ -0,0 +1,93 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 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.openecomp.appc.statemachine.impl;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.openecomp.appc.statemachine.StateMachine;
+import org.openecomp.appc.statemachine.objects.*;
+
+
+public class StateMachineImpl implements StateMachine {
+
+	private final Set<State> states;
+
+	private final Set<Event> events;
+
+	StateMachineImpl(StateMachineMetadata metadata){
+		this.states = new HashSet<State>();
+		this.states.addAll(metadata.getStates());
+		this.events = new HashSet<Event>();
+		this.events.addAll(metadata.getEvents());
+	}
+
+	public StateMachineResponse handleEvent(State inputState, Event event) throws InvalidInputException{
+
+		if(!validateInputs(inputState,event)){
+			throw new InvalidInputException("VNF State or incoming event is invalid. State = " +inputState + " event = " + event );
+		}
+
+		StateMachineResponse response = new StateMachineResponse();
+		State currentState = null,nextState = null;
+		for(State stateInSet:states){
+			if(stateInSet.equals(inputState)){
+				currentState = stateInSet;
+				break;
+			}
+		}
+		for(Transition transition : currentState.getTransitions()){
+			if(event.equals(transition.getEvent())){
+				nextState = transition.getNextState();
+			}
+		}
+		if(nextState == null){
+			response.setResponse(Response.NO_TRANSITION_DEFINED);
+		}
+		else if(inputState.equals(nextState)){
+			response.setResponse(Response.NO_STATE_CHANGE);
+		}
+		else{
+			response.setResponse(Response.VALID_TRANSITION);
+		}
+		response.setNextState(nextState);
+		return response;
+	}
+
+	private boolean validateInputs(State state,Event event){
+		if(state ==null || event == null){
+			return false;
+		}
+		if(!(this.states.contains(state) && this.events.contains(event))){
+			return false;
+		}
+		return true;
+	}
+
+	@Override
+	public String toString() {
+		return "StateMachineImpl{" +
+				"states=" + states +
+				", events=" + events +
+				'}';
+	}
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/objects/Event.java b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/objects/Event.java
new file mode 100644
index 000000000..377cd8138
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/objects/Event.java
@@ -0,0 +1,59 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 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.openecomp.appc.statemachine.objects;
+
+public class Event{
+	
+	private String eventName;
+	
+	private Event(){
+		
+	}
+	@Override
+	public int hashCode(){
+		return this.eventName.hashCode();
+	}
+	@Override
+	public boolean equals(Object obj){
+		if(obj == null){
+			return false;
+		}
+		if(!(obj instanceof Event)){
+			return false;
+		}
+		Event event = (Event)obj;
+		return this.eventName.equals(event.getEventName());
+	}
+
+	public Event(String eventName){
+		this();
+		this.eventName = eventName;
+	}
+
+	public String getEventName() {
+		return eventName;
+	}
+	@Override
+	public String toString(){
+		return this.eventName;
+	}
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/objects/InvalidInputException.java b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/objects/InvalidInputException.java
new file mode 100644
index 000000000..db6b6d3ce
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/objects/InvalidInputException.java
@@ -0,0 +1,28 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 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.openecomp.appc.statemachine.objects;
+
+public class InvalidInputException extends Exception{
+    public InvalidInputException(String message){
+        super(message);
+    }
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/objects/Response.java b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/objects/Response.java
new file mode 100644
index 000000000..8f24c46a0
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/objects/Response.java
@@ -0,0 +1,30 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 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.openecomp.appc.statemachine.objects;
+
+
+public enum Response {
+    NO_TRANSITION_DEFINED,NO_STATE_CHANGE,VALID_TRANSITION;
+    public String toString(){
+        return this.name();
+    }
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/objects/State.java b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/objects/State.java
new file mode 100644
index 000000000..18daef02e
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/objects/State.java
@@ -0,0 +1,79 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 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.openecomp.appc.statemachine.objects;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+
+
+public class State{
+	private String stateName;
+	private List<Transition> transitions;
+
+	private State(){
+		
+	}
+	
+	public State(String state){
+		this();
+		this.stateName = state;
+		this.transitions = new ArrayList<Transition>();
+	}
+	
+	@Override
+	public int hashCode(){
+		return this.stateName.hashCode();
+	}
+	
+	@Override
+	public boolean equals(Object obj){
+		if(obj == null){
+			return false;
+		}
+		if(!(obj instanceof State)){
+			return false;
+		}
+		State state = (State)obj;
+		return this.stateName.equals(state.getStateName());
+	}
+	
+
+	public String getStateName(){
+		return stateName;
+	}
+	
+	void addTransition(Transition transition){
+		this.transitions.add(transition);
+	}
+
+	public List<Transition> getTransitions() {
+		return transitions;
+	}
+
+	@Override
+	public String toString(){
+		return this.stateName;
+	}
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/objects/StateMachineMetadata.java b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/objects/StateMachineMetadata.java
new file mode 100644
index 000000000..6625fef19
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/objects/StateMachineMetadata.java
@@ -0,0 +1,79 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 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.openecomp.appc.statemachine.objects;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+
+public class StateMachineMetadata {
+
+    Set<State> states;
+    Set<Event> events;
+
+    private StateMachineMetadata(StateMachineMetadataBuilder builder){
+        states = builder.states;
+        events = builder.events;
+    }
+
+    public Set<State> getStates() {
+        return states;
+    }
+
+    public Set<Event> getEvents() {
+        return events;
+    }
+
+    public static class StateMachineMetadataBuilder{
+
+		private Set<State> states;
+		private Set<Event> events;
+
+		public StateMachineMetadataBuilder(){
+			states = new HashSet<State>();
+			events = new HashSet<Event>();
+		}
+
+		public StateMachineMetadataBuilder addState(State state){
+			this.states.add(state);
+			return this;
+		}
+
+		public StateMachineMetadataBuilder addEvent(Event event){
+			this.events.add(event);
+			return this;
+		}
+
+		public StateMachineMetadataBuilder addTransition(State currentState,Event event,State nextState){
+			Transition transition = new Transition(event,nextState);
+			currentState.addTransition(transition);
+			return this;
+		}
+
+		public StateMachineMetadata build(){
+            StateMachineMetadata machine = new StateMachineMetadata(this);
+			return machine;
+		}
+	}
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/objects/StateMachineResponse.java b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/objects/StateMachineResponse.java
new file mode 100644
index 000000000..ce75693fc
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/objects/StateMachineResponse.java
@@ -0,0 +1,48 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 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.openecomp.appc.statemachine.objects;
+
+
+public class StateMachineResponse {
+    State nextState;
+    Response response;
+
+    public StateMachineResponse(){
+
+    }
+
+    public State getNextState() {
+        return nextState;
+    }
+
+    public Response getResponse() {
+        return response;
+    }
+
+    public void setNextState(State nextState) {
+        this.nextState = nextState;
+    }
+
+    public void setResponse(Response response) {
+        this.response = response;
+    }
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/objects/Transition.java b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/objects/Transition.java
new file mode 100644
index 000000000..4a268f931
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/main/java/org/openecomp/appc/statemachine/objects/Transition.java
@@ -0,0 +1,45 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 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.openecomp.appc.statemachine.objects;
+
+
+public class Transition {
+    private Event event;
+    private State nextState;
+
+    private Transition(){
+
+    }
+    public Transition(Event event,State nextState){
+        this();
+        this.event = event;
+        this.nextState = nextState;
+    }
+
+    public Event getEvent() {
+        return event;
+    }
+
+    public State getNextState() {
+        return nextState;
+    }
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/test/java/org/openecomp/appc/statemachine/TestStateMachine.java b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/test/java/org/openecomp/appc/statemachine/TestStateMachine.java
new file mode 100644
index 000000000..735e8e13c
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/state-machine-lib/src/test/java/org/openecomp/appc/statemachine/TestStateMachine.java
@@ -0,0 +1,98 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 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.openecomp.appc.statemachine;
+
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.openecomp.appc.statemachine.impl.StateMachineFactory;
+import org.openecomp.appc.statemachine.objects.*;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+
+
+public class TestStateMachine {
+
+    @Test
+    public void handleEvent() throws InvalidInputException {
+
+//        MetadataReader metadataReader = new MetadataReader();
+//        StateMachineMetadata metadata = metadataReader.readMetadata(null);
+//
+//        StateMachine machine = StateMachineFactory.getStateMachine(metadata);
+//
+//        /*
+//        Testing Positive Scenario passing the valid events and validating the StateMachineResponse
+//         */
+//        for(State state:metadata.getStates()){
+//
+//            for(Transition transition:state.getTransitions()){
+//                Event event = transition.getEvent();
+//                State nextState = transition.getNextState();
+//
+//                StateMachineResponse response = machine.handleEvent(state,event);
+//                Assert.assertEquals(response.getNextState(),nextState);
+//                Assert.assertEquals(response.getResponse(),Response.VALID_TRANSITION);
+//            }
+//        }
+//
+//        /*
+//        Testing Negative Scenarios, 1. Passing the valid Events for which Transition is not defined in
+//        Metadata and validating the StateMachineResponse 2. Passing the invalid events which are not
+//        registered as events in the StateMachineMetadata and validating StateMachineResponse
+//         */
+//        for(State state:metadata.getStates()){
+//
+//            for(Transition transition:state.getTransitions()){
+//                List<Event> negativeEvents = getNegativeEvents(state,metadata.getEvents());
+//
+//                for(Event negativeEvent:negativeEvents){
+//                    StateMachineResponse response = machine.handleEvent(state,negativeEvent);
+//                    Assert.assertEquals(response.getNextState(),null);
+//                    Assert.assertEquals(response.getResponse(),Response.NO_TRANSITION_DEFINED);
+//
+//                    boolean flag =false;
+//                    try{
+//                        response = machine.handleEvent(state,new Event("PUT"));
+//                    }
+//                    catch(InvalidInputException e){
+//                        flag = true;
+//                    }
+//                    Assert.assertTrue(flag);
+//
+//                }
+//            }
+//        }
+    }
+
+//    private List<Event> getNegativeEvents(State state,Set<Event> events) {
+//        List<Event> negativeEventList = new ArrayList<>();
+//        negativeEventList.addAll(events);
+//
+//        for(Transition transition: state.getTransitions()){
+//            negativeEventList.remove(transition.getEvent());
+//        }
+//        return negativeEventList;
+//    }
+}