org.apache.flink.streaming.examples.statemachine.event.EventType Java Examples

/**
 * Creates an event for an illegal state transition of one of the internal
 * state machines. If the generator has not yet started any state machines
 * (for example, because no call to {@link #next(int, int)} was made, yet), this
 * will return null.
 *
 * @return An event for a illegal state transition, or null, if not possible.
 */
@Nullable
public Event nextInvalid() {
	final Iterator<Entry<Integer, State>> iter = states.entrySet().iterator();
	if (iter.hasNext()) {
		final Entry<Integer, State> entry = iter.next();

		State currentState = entry.getValue();
		int address = entry.getKey();
		iter.remove();

		EventType event = currentState.randomInvalidTransition(rnd);
		return new Event(event, address);
	}
	else {
		return null;
	}
}
 

/**
 * Creates an event for an illegal state transition of one of the internal
 * state machines. If the generator has not yet started any state machines
 * (for example, because no call to {@link #next(int, int)} was made, yet), this
 * will return null.
 *
 * @return An event for a illegal state transition, or null, if not possible.
 */
@Nullable
public Event nextInvalid() {
	final Iterator<Entry<Integer, State>> iter = states.entrySet().iterator();
	if (iter.hasNext()) {
		final Entry<Integer, State> entry = iter.next();

		State currentState = entry.getValue();
		int address = entry.getKey();
		iter.remove();

		EventType event = currentState.randomInvalidTransition(rnd);
		return new Event(event, address);
	}
	else {
		return null;
	}
}
 

/**
 * Creates an event for an illegal state transition of one of the internal
 * state machines. If the generator has not yet started any state machines
 * (for example, because no call to {@link #next(int, int)} was made, yet), this
 * will return null.
 *
 * @return An event for a illegal state transition, or null, if not possible.
 */
@Nullable
public Event nextInvalid() {
	final Iterator<Entry<Integer, State>> iter = states.entrySet().iterator();
	if (iter.hasNext()) {
		final Entry<Integer, State> entry = iter.next();

		State currentState = entry.getValue();
		int address = entry.getKey();
		iter.remove();

		EventType event = currentState.randomInvalidTransition(rnd);
		return new Event(event, address);
	}
	else {
		return null;
	}
}
 

@Override
public Event deserialize(byte[] message) throws IOException {
	ByteBuffer buffer = ByteBuffer.wrap(message).order(ByteOrder.LITTLE_ENDIAN);
	int address = buffer.getInt(0);
	int typeOrdinal = buffer.getInt(4);
	return new Event(EventType.values()[typeOrdinal], address);
}
 

@Override
public Event deserialize(byte[] message) throws IOException {
	ByteBuffer buffer = ByteBuffer.wrap(message).order(ByteOrder.LITTLE_ENDIAN);
	int address = buffer.getInt(0);
	int typeOrdinal = buffer.getInt(4);
	return new Event(EventType.values()[typeOrdinal], address);
}
 

@Override
public Event deserialize(byte[] message) throws IOException {
	ByteBuffer buffer = ByteBuffer.wrap(message).order(ByteOrder.LITTLE_ENDIAN);
	int address = buffer.getInt(0);
	int typeOrdinal = buffer.getInt(4);
	return new Event(EventType.values()[typeOrdinal], address);
}
 

public EventType eventType() {
	return eventType;
}
 

public EventTypeAndState(EventType eventType, State state) {
	this.eventType = eventType;
	this.state = state;
}
 

public EventType eventType() {
	return eventType;
}
 

public EventTypeAndState(EventType eventType, State state) {
	this.eventType = eventType;
	this.state = state;
}
 

public EventType eventType() {
	return eventType;
}
 

public EventTypeAndState(EventType eventType, State state) {
	this.eventType = eventType;
	this.state = state;
}
 

/**
 * Creates a new transition.
 *
 * @param eventType The event that triggers the transition.
 * @param targetState The target state after the transition.
 * @param prob The probability of the transition.
 */
public Transition(EventType eventType, State targetState, float prob) {
	this.eventType = checkNotNull(eventType);
	this.targetState = checkNotNull(targetState);
	this.prob = prob;
}
 

/**
 * Creates a new transition.
 *
 * @param eventType The event that triggers the transition.
 * @param targetState The target state after the transition.
 * @param prob The probability of the transition.
 */
public Transition(EventType eventType, State targetState, float prob) {
	this.eventType = checkNotNull(eventType);
	this.targetState = checkNotNull(targetState);
	this.prob = prob;
}
 

/**
 * Creates a new transition.
 *
 * @param eventType The event that triggers the transition.
 * @param targetState The target state after the transition.
 * @param prob The probability of the transition.
 */
public Transition(EventType eventType, State targetState, float prob) {
	this.eventType = checkNotNull(eventType);
	this.targetState = checkNotNull(targetState);
	this.prob = prob;
}