-/*-\r
- * ============LICENSE_START=======================================================\r
- * ONAP : APPC\r
- * ================================================================================\r
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.\r
- * ================================================================================\r
- * Copyright (C) 2017 Amdocs\r
- * =============================================================================\r
- * Licensed under the Apache License, Version 2.0 (the "License");\r
- * you may not use this file except in compliance with the License.\r
- * You may obtain a copy of the License at\r
- * \r
- * http://www.apache.org/licenses/LICENSE-2.0\r
- * \r
- * Unless required by applicable law or agreed to in writing, software\r
- * distributed under the License is distributed on an "AS IS" BASIS,\r
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
- * See the License for the specific language governing permissions and\r
- * limitations under the License.\r
- * \r
- * ECOMP is a trademark and service mark of AT&T Intellectual Property.\r
- * ============LICENSE_END=========================================================\r
- */\r
-\r
-package org.openecomp.appc.statemachine.impl;\r
-\r
-import java.util.HashSet;\r
-import java.util.Set;\r
-\r
-import org.openecomp.appc.exceptions.InvalidInputException;\r
-import org.openecomp.appc.statemachine.StateMachine;\r
-import org.openecomp.appc.statemachine.objects.Event;\r
-import org.openecomp.appc.statemachine.objects.Response;\r
-import org.openecomp.appc.statemachine.objects.State;\r
-import org.openecomp.appc.statemachine.objects.StateMachineMetadata;\r
-import org.openecomp.appc.statemachine.objects.StateMachineResponse;\r
-import org.openecomp.appc.statemachine.objects.Transition;\r
-\r
-\r
-public class StateMachineImpl implements StateMachine {\r
-\r
- private final Set<State> states;\r
-\r
- private final Set<Event> events;\r
-\r
- StateMachineImpl(StateMachineMetadata metadata){\r
- this.states = new HashSet<>();\r
- this.states.addAll(metadata.getStates());\r
- this.events = new HashSet<>();\r
- this.events.addAll(metadata.getEvents());\r
- }\r
-\r
- public StateMachineResponse handleEvent(State inputState, Event event) throws InvalidInputException{\r
-\r
- if(!validateInputs(inputState,event)){\r
- throw new InvalidInputException("VNF State or incoming event is invalid. State = " +inputState + " event = " + event );\r
- }\r
-\r
- StateMachineResponse response = new StateMachineResponse();\r
- State currentState = null,nextState = null;\r
- for(State stateInSet:states){\r
- if(stateInSet.equals(inputState)){\r
- currentState = stateInSet;\r
- break;\r
- }\r
- }\r
- if (currentState != null) {\r
- for (Transition transition : currentState.getTransitions()) {\r
- if (event.equals(transition.getEvent())) {\r
- nextState = transition.getNextState();\r
- }\r
- }\r
- }\r
- if(nextState == null){\r
- response.setResponse(Response.NO_TRANSITION_DEFINED);\r
- }\r
- else if(inputState.equals(nextState)){\r
- response.setResponse(Response.NO_STATE_CHANGE);\r
- }\r
- else{\r
- response.setResponse(Response.VALID_TRANSITION);\r
- }\r
- response.setNextState(nextState);\r
- return response;\r
- }\r
-\r
- private boolean validateInputs(State state,Event event) {\r
- return state != null && event != null && this.states.contains(state) && this.events.contains(event);\r
- }\r
-\r
- @Override\r
- public String toString() {\r
- return "StateMachineImpl{" +\r
- "states=" + states +\r
- ", events=" + events +\r
- '}';\r
- }\r
-}\r
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * 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.
+ *
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.statemachine.impl;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.openecomp.appc.exceptions.InvalidInputException;
+import org.openecomp.appc.statemachine.StateMachine;
+import org.openecomp.appc.statemachine.objects.Event;
+import org.openecomp.appc.statemachine.objects.Response;
+import org.openecomp.appc.statemachine.objects.State;
+import org.openecomp.appc.statemachine.objects.StateMachineMetadata;
+import org.openecomp.appc.statemachine.objects.StateMachineResponse;
+import org.openecomp.appc.statemachine.objects.Transition;
+
+
+public class StateMachineImpl implements StateMachine {
+
+ private final Set<State> states;
+
+ private final Set<Event> events;
+
+ StateMachineImpl(StateMachineMetadata metadata){
+ this.states = new HashSet<>();
+ this.states.addAll(metadata.getStates());
+ this.events = new HashSet<>();
+ 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;
+ }
+ }
+ if (currentState != null) {
+ 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) {
+ return state != null && event != null && this.states.contains(state) && this.events.contains(event);
+ }
+
+ @Override
+ public String toString() {
+ return "StateMachineImpl{" +
+ "states=" + states +
+ ", events=" + events +
+ '}';
+ }
+}
Code Review / appc.git / blobdiff