@Override
public void format(HtmlWriter writer) throws IOException {
writer.writeStart("pre");
State state = getState();
ObjectType type = state.getType();
if (type != null) {
writer.writeHtml(type.getInternalName());
writer.writeHtml(": ");
}
writer.writeStart(
"a",
"target",
"_blank",
"href",
StringUtils.addQueryParameters(
"/_debug/query", "where", "id = " + state.getId(), "action", "Run"));
writer.writeHtml(getLabel());
writer.writeEnd();
writer.writeElement("br");
writer.writeHtml(ObjectUtils.toJson(state.getSimpleValues(), true));
writer.writeEnd();
}
@Override
public boolean setPriority(final int priority) {
if (priority < Priority.MIN_PRIORITY || priority > Priority.MAX_PRIORITY) {
throw new IllegalArgumentException("Priority out of bounds: " + priority);
}
State state;
State newState;
do {
state = _stateRef.get();
if (state.getType() != StateType.INIT) {
return false;
}
newState = new State(state.getType(), priority);
} while (!_stateRef.compareAndSet(state, newState));
return true;
}
public void verify() {
for (State state : states) {
if (state.getType() == StateType.start)
if (startState == null) startState = state;
else
throw new IllegalStateException(
"Found multiple start states. There should only one start state for a state machine.");
}
currentState = startState;
}
protected boolean transitionDone() {
State state;
State newState;
do {
state = _stateRef.get();
if (state.getType() == StateType.DONE) {
return false;
}
newState = state.transitionDone();
} while (!_stateRef.compareAndSet(state, newState));
return true;
}
protected void transitionPending() {
State state;
State newState;
do {
state = _stateRef.get();
if (state.getType() != StateType.RUN) {
return;
}
newState = state.transitionPending();
} while (!_stateRef.compareAndSet(state, newState));
markTaskPending();
}
protected boolean transitionCancel(final Exception reason) {
State state;
State newState;
do {
state = _stateRef.get();
final StateType type = state.getType();
if (type == StateType.RUN || type == StateType.DONE) {
return false;
}
newState = state.transitionDone();
} while (!_stateRef.compareAndSet(state, newState));
return true;
}
protected boolean transitionRun(final TraceBuilder traceBuilder) {
State state;
State newState;
do {
state = _stateRef.get();
if (state.getType() != StateType.INIT) {
return false;
}
newState = state.transitionRun();
} while (!_stateRef.compareAndSet(state, newState));
_traceBuilder = traceBuilder;
traceBuilder.addShallowTrace(_shallowTraceBuilder);
return true;
}
@Override
public BeanInfo[] getAdditionalBeanInfo() {
State state = getState();
return state.getDatabase().getEnvironment().getAdditionalBeanInfoByType(state.getType());
}
public boolean isEnded() {
if (currentState == null) return false;
return currentState.getType() == StateType.end;
}
