package org.yakindu.scr.internaleventlifecycle;
public class InternalEventLifeCycleStatemachine implements IInternalEventLifeCycleStatemachine {
protected class SCInterfaceImpl implements SCInterface {
private boolean e;
public void raiseE() {
e = true;
}
private boolean f;
public void raiseF() {
f = true;
}
protected void clearEvents() {
e = false;
f = false;
}
}
protected SCInterfaceImpl sCInterface;
private boolean initialized = false;
public enum State {
r1_A,
r1_B,
r2_C,
r2_D,
$NullState$
};
private final State[] stateVector = new State[2];
private int nextStateIndex;
private boolean i1;
private boolean i2;
public InternalEventLifeCycleStatemachine() {
sCInterface = new SCInterfaceImpl();
}
public void init() {
this.initialized = true;
for (int i = 0; i < 2; i++) {
stateVector[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.");
}
enterSequence_r1_default();
enterSequence_r2_default();
}
public void exit() {
exitSequence_r1();
exitSequence_r2();
}
/**
* @see IStatemachine#isActive()
*/
public boolean isActive() {
return stateVector[0] != State.$NullState$||stateVector[1] != 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();
i1 = false;
i2 = false;
}
/**
* This method resets the outgoing events.
*/
protected void clearOutEvents() {
}
/**
* Returns true if the given state is currently active otherwise false.
*/
public boolean isStateActive(State state) {
switch (state) {
case r1_A:
return stateVector[0] == State.r1_A;
case r1_B:
return stateVector[0] == State.r1_B;
case r2_C:
return stateVector[1] == State.r2_C;
case r2_D:
return stateVector[1] == State.r2_D;
default:
return false;
}
}
public SCInterface getSCInterface() {
return sCInterface;
}
private void raiseI1() {
i1 = true;
}
private void raiseI2() {
i2 = true;
}
public void raiseE() {
sCInterface.raiseE();
}
public void raiseF() {
sCInterface.raiseF();
}
private boolean check_r1_A_tr0_tr0() {
return i2;
}
private boolean check_r1_A_lr0_lr0() {
return sCInterface.e;
}
private boolean check_r1_B_tr0_tr0() {
return sCInterface.e;
}
private boolean check_r2_C_tr0_tr0() {
return i1;
}
private boolean check_r2_D_tr0_tr0() {
return sCInterface.f;
}
private void effect_r1_A_tr0() {
exitSequence_r1_A();
enterSequence_r1_B_default();
}
private void effect_r1_A_lr0_lr0() {
raiseI1();
}
private void effect_r1_B_tr0() {
exitSequence_r1_B();
enterSequence_r1_A_default();
}
private void effect_r2_C_tr0() {
exitSequence_r2_C();
enterSequence_r2_D_default();
}
private void effect_r2_D_tr0() {
exitSequence_r2_D();
raiseI2();
enterSequence_r2_C_default();
}
/* 'default' enter sequence for state A */
private void enterSequence_r1_A_default() {
nextStateIndex = 0;
stateVector[0] = State.r1_A;
}
/* 'default' enter sequence for state B */
private void enterSequence_r1_B_default() {
nextStateIndex = 0;
stateVector[0] = State.r1_B;
}
/* 'default' enter sequence for state C */
private void enterSequence_r2_C_default() {
nextStateIndex = 1;
stateVector[1] = State.r2_C;
}
/* 'default' enter sequence for state D */
private void enterSequence_r2_D_default() {
nextStateIndex = 1;
stateVector[1] = State.r2_D;
}
/* 'default' enter sequence for region r1 */
private void enterSequence_r1_default() {
react_r1__entry_Default();
}
/* 'default' enter sequence for region r2 */
private void enterSequence_r2_default() {
react_r2__entry_Default();
}
/* Default exit sequence for state A */
private void exitSequence_r1_A() {
nextStateIndex = 0;
stateVector[0] = State.$NullState$;
}
/* Default exit sequence for state B */
private void exitSequence_r1_B() {
nextStateIndex = 0;
stateVector[0] = State.$NullState$;
}
/* Default exit sequence for state C */
private void exitSequence_r2_C() {
nextStateIndex = 1;
stateVector[1] = State.$NullState$;
}
/* Default exit sequence for state D */
private void exitSequence_r2_D() {
nextStateIndex = 1;
stateVector[1] = State.$NullState$;
}
/* Default exit sequence for region r1 */
private void exitSequence_r1() {
switch (stateVector[0]) {
case r1_A:
exitSequence_r1_A();
break;
case r1_B:
exitSequence_r1_B();
break;
default:
break;
}
}
/* Default exit sequence for region r2 */
private void exitSequence_r2() {
switch (stateVector[1]) {
case r2_C:
exitSequence_r2_C();
break;
case r2_D:
exitSequence_r2_D();
break;
default:
break;
}
}
/* The reactions of state A. */
private void react_r1_A() {
if (check_r1_A_tr0_tr0()) {
effect_r1_A_tr0();
} else {
if (check_r1_A_lr0_lr0()) {
effect_r1_A_lr0_lr0();
}
}
}
/* The reactions of state B. */
private void react_r1_B() {
if (check_r1_B_tr0_tr0()) {
effect_r1_B_tr0();
}
}
/* The reactions of state C. */
private void react_r2_C() {
if (check_r2_C_tr0_tr0()) {
effect_r2_C_tr0();
}
}
/* The reactions of state D. */
private void react_r2_D() {
if (check_r2_D_tr0_tr0()) {
effect_r2_D_tr0();
}
}
/* Default react sequence for initial entry */
private void react_r1__entry_Default() {
enterSequence_r1_A_default();
}
/* Default react sequence for initial entry */
private void react_r2__entry_Default() {
enterSequence_r2_C_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 r1_A:
react_r1_A();
break;
case r1_B:
react_r1_B();
break;
case r2_C:
react_r2_C();
break;
case r2_D:
react_r2_D();
break;
default:
// $NullState$
}
}
clearEvents();
}
}