Polish

spring-statemachine-core/src/main/java/org/springframework/statemachine/config/EnumStateMachineFactory.java

@@ -91,6 +91,7 @@ public class EnumStateMachineFactory<S extends Enum<S>, E extends Enum<E>> exten
 		this.stateMachineStates = stateMachineStates;
 	}
 
+	@SuppressWarnings("unchecked")
 	@Override
 	public StateMachine<S, E> getStateMachine() {
 
@@ -144,14 +145,13 @@ public class EnumStateMachineFactory<S extends Enum<S>, E extends Enum<E>> exten
 				for (Collection<StateData<S, E>> regionStateDatas : regionsStateDatas) {
 					machine = buildMachine(machineMap, stateMap, regionStateDatas, transitionsData, getBeanFactory(),
 							contextEvents, defaultExtendedState, stateMachineTransitions);
-					regionStack.push(new MachineStackItem<S, E>(machine, peek.getParent(), peek));
+					regionStack.push(new MachineStackItem<S, E>(machine));
 				}
 
 				Collection<Region<S, E>> regions = new ArrayList<Region<S, E>>();
 				for (MachineStackItem<S, E> si : regionStack) {
 					regions.add(si.machine);
 				}
-				@SuppressWarnings("unchecked")
 				S parent = (S)peek.getParent();
 				RegionState<S, E> rstate = new RegionState<S, E>(parent, regions, null, null, null,
 						new DefaultPseudoState<S, E>(PseudoStateKind.INITIAL));
@@ -248,14 +248,9 @@ public class EnumStateMachineFactory<S extends Enum<S>, E extends Enum<E>> exten
 	private static class MachineStackItem<S, E> {
 
 		StateMachine<S, E> machine;
-		Object parent;
-		StateData<S, E> stateData;
 
-		public MachineStackItem(StateMachine<S, E> machine, Object parent, StateData<S, E> stateData) {
-			super();
+		public MachineStackItem(StateMachine<S, E> machine) {
 			this.machine = machine;
-			this.parent = parent;
-			this.stateData = stateData;
 		}
 
 	}

spring-statemachine-core/src/main/java/org/springframework/statemachine/config/configuration/StateMachineConfigurationImportSelector.java

@@ -17,6 +17,7 @@ package org.springframework.statemachine.config.configuration;
 
 import java.util.Map;
 
+import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.ImportSelector;
 import org.springframework.core.annotation.AnnotationAttributes;
 import org.springframework.core.type.AnnotationMetadata;

spring-statemachine-core/src/main/java/org/springframework/statemachine/config/configuration/StateMachineFactoryConfiguration.java

@@ -27,7 +27,6 @@ import org.springframework.beans.factory.InitializingBean;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.config.BeanDefinition;
 import org.springframework.beans.factory.support.BeanDefinitionBuilder;
-import org.springframework.beans.factory.support.BeanDefinitionRegistry;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.annotation.AnnotationAttributes;
 import org.springframework.core.type.AnnotationMetadata;

spring-statemachine-core/src/main/java/org/springframework/statemachine/support/AbstractStateMachine.java

@@ -302,6 +302,7 @@ public abstract class AbstractStateMachine<S, E> extends StateMachineObjectSuppo
 		return transitions;
 	}
 
+	@SuppressWarnings("unchecked")
 	@Override
 	public void doWithAllRegions(StateMachineFunction<StateMachineAccess<S, E>> stateMachineAccess) {
 		stateMachineAccess.apply(this);
@@ -636,6 +637,7 @@ public abstract class AbstractStateMachine<S, E> extends StateMachineObjectSuppo
 		return results;
 	}
 
+	@SuppressWarnings({ "rawtypes", "unchecked" })
 	private synchronized List<StateMachineHandler<S, E>> getStateMachineHandlers(State<S, E> sourceState,
 			State<S, E> targetState) {
 		BeanFactory beanFactory = getBeanFactory();

spring-statemachine-core/src/main/java/org/springframework/statemachine/transition/InitialTransition.java

@@ -66,7 +66,7 @@ public class InitialTransition<S, E> implements Transition<S, E> {
 	 * Instantiates a new initial transition.
 	 *
 	 * @param target the initial target state
-	 * @param action the initial actions
+	 * @param actions the initial actions
 	 */
 	public InitialTransition(State<S, E> target, Collection<Action<S, E>> actions) {
 		this.target = target;