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- package traffic.light.trafficlightctrl;
- import java.util.LinkedList;
- import java.util.List;
- import traffic.light.ITimer;
- public class TrafficLightCtrlStatemachine implements ITrafficLightCtrlStatemachine {
- protected class SCInterfaceImpl implements SCInterface {
-
- private List<SCInterfaceListener> listeners = new LinkedList<SCInterfaceListener>();
-
- public List<SCInterfaceListener> getListeners() {
- return listeners;
- }
- private boolean police_interrupt;
-
- public void raisePolice_interrupt() {
- police_interrupt = true;
- }
-
- private boolean displayRed;
-
- public boolean isRaisedDisplayRed() {
- return displayRed;
- }
-
- protected void raiseDisplayRed() {
- displayRed = true;
- for (SCInterfaceListener listener : listeners) {
- listener.onDisplayRedRaised();
- }
- }
-
- private boolean displayGreen;
-
- public boolean isRaisedDisplayGreen() {
- return displayGreen;
- }
-
- protected void raiseDisplayGreen() {
- displayGreen = true;
- for (SCInterfaceListener listener : listeners) {
- listener.onDisplayGreenRaised();
- }
- }
-
- private boolean displayYellow;
-
- public boolean isRaisedDisplayYellow() {
- return displayYellow;
- }
-
- protected void raiseDisplayYellow() {
- displayYellow = true;
- for (SCInterfaceListener listener : listeners) {
- listener.onDisplayYellowRaised();
- }
- }
-
- private boolean displayNone;
-
- public boolean isRaisedDisplayNone() {
- return displayNone;
- }
-
- protected void raiseDisplayNone() {
- displayNone = true;
- for (SCInterfaceListener listener : listeners) {
- listener.onDisplayNoneRaised();
- }
- }
-
- protected void clearEvents() {
- police_interrupt = false;
- }
- protected void clearOutEvents() {
-
- displayRed = false;
- displayGreen = false;
- displayYellow = false;
- displayNone = false;
- }
-
- }
-
- protected SCInterfaceImpl sCInterface;
-
- private boolean initialized = false;
-
- public enum State {
- main_normal,
- main_normal_normal_Yellow,
- main_normal_normal_Green,
- main_normal_normal_Red,
- main_interrupted,
- main_interrupted_interrupted_Black,
- main_interrupted_interrupted_Yellow,
- $NullState$
- };
-
- private State[] historyVector = new State[1];
- private final State[] stateVector = new State[1];
-
- private int nextStateIndex;
-
- private ITimer timer;
-
- private final boolean[] timeEvents = new boolean[5];
- public TrafficLightCtrlStatemachine() {
- sCInterface = new SCInterfaceImpl();
- }
-
- public void init() {
- this.initialized = true;
- if (timer == null) {
- throw new IllegalStateException("timer not set.");
- }
- for (int i = 0; i < 1; i++) {
- stateVector[i] = State.$NullState$;
- }
- for (int i = 0; i < 1; i++) {
- historyVector[i] = State.$NullState$;
- }
- clearEvents();
- clearOutEvents();
- }
-
- public void enter() {
- if (!initialized) {
- throw new IllegalStateException(
- "The state machine needs to be initialized first by calling the init() function.");
- }
- if (timer == null) {
- throw new IllegalStateException("timer not set.");
- }
- enterSequence_main_default();
- }
-
- public void exit() {
- exitSequence_main();
- }
-
- /**
- * @see IStatemachine#isActive()
- */
- public boolean isActive() {
- return stateVector[0] != State.$NullState$;
- }
-
- /**
- * Always returns 'false' since this state machine can never become final.
- *
- * @see IStatemachine#isFinal()
- */
- public boolean isFinal() {
- return false;
- }
- /**
- * This method resets the incoming events (time events included).
- */
- protected void clearEvents() {
- sCInterface.clearEvents();
- for (int i=0; i<timeEvents.length; i++) {
- timeEvents[i] = false;
- }
- }
-
- /**
- * This method resets the outgoing events.
- */
- protected void clearOutEvents() {
- sCInterface.clearOutEvents();
- }
-
- /**
- * Returns true if the given state is currently active otherwise false.
- */
- public boolean isStateActive(State state) {
-
- switch (state) {
- case main_normal:
- return stateVector[0].ordinal() >= State.
- main_normal.ordinal()&& stateVector[0].ordinal() <= State.main_normal_normal_Red.ordinal();
- case main_normal_normal_Yellow:
- return stateVector[0] == State.main_normal_normal_Yellow;
- case main_normal_normal_Green:
- return stateVector[0] == State.main_normal_normal_Green;
- case main_normal_normal_Red:
- return stateVector[0] == State.main_normal_normal_Red;
- case main_interrupted:
- return stateVector[0].ordinal() >= State.
- main_interrupted.ordinal()&& stateVector[0].ordinal() <= State.main_interrupted_interrupted_Yellow.ordinal();
- case main_interrupted_interrupted_Black:
- return stateVector[0] == State.main_interrupted_interrupted_Black;
- case main_interrupted_interrupted_Yellow:
- return stateVector[0] == State.main_interrupted_interrupted_Yellow;
- default:
- return false;
- }
- }
-
- /**
- * Set the {@link ITimer} for the state machine. It must be set
- * externally on a timed state machine before a run cycle can be correct
- * executed.
- *
- * @param timer
- */
- public void setTimer(ITimer timer) {
- this.timer = timer;
- }
-
- /**
- * Returns the currently used timer.
- *
- * @return {@link ITimer}
- */
- public ITimer getTimer() {
- return timer;
- }
-
- public void timeElapsed(int eventID) {
- timeEvents[eventID] = true;
- }
-
- public SCInterface getSCInterface() {
- return sCInterface;
- }
-
- public void raisePolice_interrupt() {
- sCInterface.raisePolice_interrupt();
- }
-
- public boolean isRaisedDisplayRed() {
- return sCInterface.isRaisedDisplayRed();
- }
-
- public boolean isRaisedDisplayGreen() {
- return sCInterface.isRaisedDisplayGreen();
- }
-
- public boolean isRaisedDisplayYellow() {
- return sCInterface.isRaisedDisplayYellow();
- }
-
- public boolean isRaisedDisplayNone() {
- return sCInterface.isRaisedDisplayNone();
- }
-
- private boolean check_main_normal_tr0_tr0() {
- return sCInterface.police_interrupt;
- }
-
- private boolean check_main_normal_normal_Yellow_tr0_tr0() {
- return timeEvents[0];
- }
-
- private boolean check_main_normal_normal_Green_tr0_tr0() {
- return timeEvents[1];
- }
-
- private boolean check_main_normal_normal_Red_tr0_tr0() {
- return timeEvents[2];
- }
-
- private boolean check_main_interrupted_tr0_tr0() {
- return sCInterface.police_interrupt;
- }
-
- private boolean check_main_interrupted_interrupted_Black_tr0_tr0() {
- return timeEvents[3];
- }
-
- private boolean check_main_interrupted_interrupted_Yellow_tr0_tr0() {
- return timeEvents[4];
- }
-
- private void effect_main_normal_tr0() {
- exitSequence_main_normal();
- enterSequence_main_interrupted_default();
- }
-
- private void effect_main_normal_normal_Yellow_tr0() {
- exitSequence_main_normal_normal_Yellow();
- enterSequence_main_normal_normal_Red_default();
- }
-
- private void effect_main_normal_normal_Green_tr0() {
- exitSequence_main_normal_normal_Green();
- enterSequence_main_normal_normal_Yellow_default();
- }
-
- private void effect_main_normal_normal_Red_tr0() {
- exitSequence_main_normal_normal_Red();
- enterSequence_main_normal_normal_Green_default();
- }
-
- private void effect_main_interrupted_tr0() {
- exitSequence_main_interrupted();
- react_main_normal_normal_hist();
- }
-
- private void effect_main_interrupted_interrupted_Black_tr0() {
- exitSequence_main_interrupted_interrupted_Black();
- enterSequence_main_interrupted_interrupted_Yellow_default();
- }
-
- private void effect_main_interrupted_interrupted_Yellow_tr0() {
- exitSequence_main_interrupted_interrupted_Yellow();
- enterSequence_main_interrupted_interrupted_Black_default();
- }
-
- /* Entry action for state 'Yellow'. */
- private void entryAction_main_normal_normal_Yellow() {
- timer.setTimer(this, 0, 5 * 1000, false);
-
- sCInterface.raiseDisplayYellow();
- }
-
- /* Entry action for state 'Green'. */
- private void entryAction_main_normal_normal_Green() {
- timer.setTimer(this, 1, 55 * 1000, false);
-
- sCInterface.raiseDisplayGreen();
- }
-
- /* Entry action for state 'Red'. */
- private void entryAction_main_normal_normal_Red() {
- timer.setTimer(this, 2, 60 * 1000, false);
-
- sCInterface.raiseDisplayRed();
- }
-
- /* Entry action for state 'Black'. */
- private void entryAction_main_interrupted_interrupted_Black() {
- timer.setTimer(this, 3, 1 * 1000, false);
-
- sCInterface.raiseDisplayNone();
- }
-
- /* Entry action for state 'Yellow'. */
- private void entryAction_main_interrupted_interrupted_Yellow() {
- timer.setTimer(this, 4, 1 * 1000, false);
-
- sCInterface.raiseDisplayYellow();
- }
-
- /* Exit action for state 'Yellow'. */
- private void exitAction_main_normal_normal_Yellow() {
- timer.unsetTimer(this, 0);
- }
-
- /* Exit action for state 'Green'. */
- private void exitAction_main_normal_normal_Green() {
- timer.unsetTimer(this, 1);
- }
-
- /* Exit action for state 'Red'. */
- private void exitAction_main_normal_normal_Red() {
- timer.unsetTimer(this, 2);
- }
-
- /* Exit action for state 'Black'. */
- private void exitAction_main_interrupted_interrupted_Black() {
- timer.unsetTimer(this, 3);
- }
-
- /* Exit action for state 'Yellow'. */
- private void exitAction_main_interrupted_interrupted_Yellow() {
- timer.unsetTimer(this, 4);
- }
-
- /* 'default' enter sequence for state normal */
- private void enterSequence_main_normal_default() {
- enterSequence_main_normal_normal_default();
- }
-
- /* 'default' enter sequence for state Yellow */
- private void enterSequence_main_normal_normal_Yellow_default() {
- entryAction_main_normal_normal_Yellow();
- nextStateIndex = 0;
- stateVector[0] = State.main_normal_normal_Yellow;
-
- historyVector[0] = stateVector[0];
- }
-
- /* 'default' enter sequence for state Green */
- private void enterSequence_main_normal_normal_Green_default() {
- entryAction_main_normal_normal_Green();
- nextStateIndex = 0;
- stateVector[0] = State.main_normal_normal_Green;
-
- historyVector[0] = stateVector[0];
- }
-
- /* 'default' enter sequence for state Red */
- private void enterSequence_main_normal_normal_Red_default() {
- entryAction_main_normal_normal_Red();
- nextStateIndex = 0;
- stateVector[0] = State.main_normal_normal_Red;
-
- historyVector[0] = stateVector[0];
- }
-
- /* 'default' enter sequence for state interrupted */
- private void enterSequence_main_interrupted_default() {
- enterSequence_main_interrupted_interrupted_default();
- }
-
- /* 'default' enter sequence for state Black */
- private void enterSequence_main_interrupted_interrupted_Black_default() {
- entryAction_main_interrupted_interrupted_Black();
- nextStateIndex = 0;
- stateVector[0] = State.main_interrupted_interrupted_Black;
- }
-
- /* 'default' enter sequence for state Yellow */
- private void enterSequence_main_interrupted_interrupted_Yellow_default() {
- entryAction_main_interrupted_interrupted_Yellow();
- nextStateIndex = 0;
- stateVector[0] = State.main_interrupted_interrupted_Yellow;
- }
-
- /* 'default' enter sequence for region main */
- private void enterSequence_main_default() {
- react_main__entry_Default();
- }
-
- /* 'default' enter sequence for region normal */
- private void enterSequence_main_normal_normal_default() {
- react_main_normal_normal__entry_Default();
- }
-
- /* shallow enterSequence with history in child normal */
- private void shallowEnterSequence_main_normal_normal() {
- switch (historyVector[0]) {
- case main_normal_normal_Yellow:
- enterSequence_main_normal_normal_Yellow_default();
- break;
- case main_normal_normal_Green:
- enterSequence_main_normal_normal_Green_default();
- break;
- case main_normal_normal_Red:
- enterSequence_main_normal_normal_Red_default();
- break;
- default:
- break;
- }
- }
-
- /* 'default' enter sequence for region interrupted */
- private void enterSequence_main_interrupted_interrupted_default() {
- react_main_interrupted_interrupted__entry_Default();
- }
-
- /* Default exit sequence for state normal */
- private void exitSequence_main_normal() {
- exitSequence_main_normal_normal();
- }
-
- /* Default exit sequence for state Yellow */
- private void exitSequence_main_normal_normal_Yellow() {
- nextStateIndex = 0;
- stateVector[0] = State.$NullState$;
-
- exitAction_main_normal_normal_Yellow();
- }
-
- /* Default exit sequence for state Green */
- private void exitSequence_main_normal_normal_Green() {
- nextStateIndex = 0;
- stateVector[0] = State.$NullState$;
-
- exitAction_main_normal_normal_Green();
- }
-
- /* Default exit sequence for state Red */
- private void exitSequence_main_normal_normal_Red() {
- nextStateIndex = 0;
- stateVector[0] = State.$NullState$;
-
- exitAction_main_normal_normal_Red();
- }
-
- /* Default exit sequence for state interrupted */
- private void exitSequence_main_interrupted() {
- exitSequence_main_interrupted_interrupted();
- }
-
- /* Default exit sequence for state Black */
- private void exitSequence_main_interrupted_interrupted_Black() {
- nextStateIndex = 0;
- stateVector[0] = State.$NullState$;
-
- exitAction_main_interrupted_interrupted_Black();
- }
-
- /* Default exit sequence for state Yellow */
- private void exitSequence_main_interrupted_interrupted_Yellow() {
- nextStateIndex = 0;
- stateVector[0] = State.$NullState$;
-
- exitAction_main_interrupted_interrupted_Yellow();
- }
-
- /* Default exit sequence for region main */
- private void exitSequence_main() {
- switch (stateVector[0]) {
- case main_normal_normal_Yellow:
- exitSequence_main_normal_normal_Yellow();
- break;
- case main_normal_normal_Green:
- exitSequence_main_normal_normal_Green();
- break;
- case main_normal_normal_Red:
- exitSequence_main_normal_normal_Red();
- break;
- case main_interrupted_interrupted_Black:
- exitSequence_main_interrupted_interrupted_Black();
- break;
- case main_interrupted_interrupted_Yellow:
- exitSequence_main_interrupted_interrupted_Yellow();
- break;
- default:
- break;
- }
- }
-
- /* Default exit sequence for region normal */
- private void exitSequence_main_normal_normal() {
- switch (stateVector[0]) {
- case main_normal_normal_Yellow:
- exitSequence_main_normal_normal_Yellow();
- break;
- case main_normal_normal_Green:
- exitSequence_main_normal_normal_Green();
- break;
- case main_normal_normal_Red:
- exitSequence_main_normal_normal_Red();
- break;
- default:
- break;
- }
- }
-
- /* Default exit sequence for region interrupted */
- private void exitSequence_main_interrupted_interrupted() {
- switch (stateVector[0]) {
- case main_interrupted_interrupted_Black:
- exitSequence_main_interrupted_interrupted_Black();
- break;
- case main_interrupted_interrupted_Yellow:
- exitSequence_main_interrupted_interrupted_Yellow();
- break;
- default:
- break;
- }
- }
-
- /* The reactions of state Yellow. */
- private void react_main_normal_normal_Yellow() {
- if (check_main_normal_tr0_tr0()) {
- effect_main_normal_tr0();
- } else {
- if (check_main_normal_normal_Yellow_tr0_tr0()) {
- effect_main_normal_normal_Yellow_tr0();
- }
- }
- }
-
- /* The reactions of state Green. */
- private void react_main_normal_normal_Green() {
- if (check_main_normal_tr0_tr0()) {
- effect_main_normal_tr0();
- } else {
- if (check_main_normal_normal_Green_tr0_tr0()) {
- effect_main_normal_normal_Green_tr0();
- }
- }
- }
-
- /* The reactions of state Red. */
- private void react_main_normal_normal_Red() {
- if (check_main_normal_tr0_tr0()) {
- effect_main_normal_tr0();
- } else {
- if (check_main_normal_normal_Red_tr0_tr0()) {
- effect_main_normal_normal_Red_tr0();
- }
- }
- }
-
- /* The reactions of state Black. */
- private void react_main_interrupted_interrupted_Black() {
- if (check_main_interrupted_tr0_tr0()) {
- effect_main_interrupted_tr0();
- } else {
- if (check_main_interrupted_interrupted_Black_tr0_tr0()) {
- effect_main_interrupted_interrupted_Black_tr0();
- }
- }
- }
-
- /* The reactions of state Yellow. */
- private void react_main_interrupted_interrupted_Yellow() {
- if (check_main_interrupted_tr0_tr0()) {
- effect_main_interrupted_tr0();
- } else {
- if (check_main_interrupted_interrupted_Yellow_tr0_tr0()) {
- effect_main_interrupted_interrupted_Yellow_tr0();
- }
- }
- }
-
- /* Default react sequence for initial entry */
- private void react_main__entry_Default() {
- enterSequence_main_normal_default();
- }
-
- /* Default react sequence for initial entry */
- private void react_main_normal_normal__entry_Default() {
- enterSequence_main_normal_normal_Red_default();
- }
-
- /* Default react sequence for shallow history entry hist */
- private void react_main_normal_normal_hist() {
- /* Enter the region with shallow history */
- if (historyVector[0] != State.$NullState$) {
- shallowEnterSequence_main_normal_normal();
- }
- }
-
- /* Default react sequence for initial entry */
- private void react_main_interrupted_interrupted__entry_Default() {
- enterSequence_main_interrupted_interrupted_Yellow_default();
- }
-
- public void runCycle() {
- if (!initialized)
- throw new IllegalStateException(
- "The state machine needs to be initialized first by calling the init() function.");
- clearOutEvents();
- for (nextStateIndex = 0; nextStateIndex < stateVector.length; nextStateIndex++) {
- switch (stateVector[nextStateIndex]) {
- case main_normal_normal_Yellow:
- react_main_normal_normal_Yellow();
- break;
- case main_normal_normal_Green:
- react_main_normal_normal_Green();
- break;
- case main_normal_normal_Red:
- react_main_normal_normal_Red();
- break;
- case main_interrupted_interrupted_Black:
- react_main_interrupted_interrupted_Black();
- break;
- case main_interrupted_interrupted_Yellow:
- react_main_interrupted_interrupted_Yellow();
- break;
- default:
- // $NullState$
- }
- }
- clearEvents();
- }
- }
|