How to use

matches

method

in

org.axonframework.eventhandling.Segment

/**
 * Checks whether the given {@code sagaId} matches with the given {@code segment}.
 * <p>
 * For any complete set of segments, exactly one segment matches with any value.
 * <p>
 *
 * @param segment The segment to validate the identifier for
 * @param sagaId  The identifier to test
 * @return {@code true} if the identifier matches the segment, otherwise {@code false}
 *
 * @implSpec This implementation uses the {@link Segment#matches(Object)} to match against the Saga identifier
 */
protected boolean matchesSegment(Segment segment, String sagaId) {
  return segment.matches(sagaId);
}

/**
 * Indicates whether the given {@code value} matches this segment. A value matches when the hashCode of a value,
 * after applying this segments mask, equals to this segment ID.
 *
 * @param value The value to verify against.
 * @return {@code true} if the given value matches this segment, otherwise {@code false}
 */
public boolean matches(Object value) {
  return mask == 0 || matches(Objects.hashCode(value));
}

@Override
public boolean canHandle(EventMessage<?> eventMessage, Segment segment) {
  return hasHandler(eventMessage) && segment.matches(Objects.hashCode(getOrDefault(
      sequencingPolicy.getSequenceIdentifierFor(eventMessage),
      eventMessage::getIdentifier)
  ));
}

private boolean shouldCreateSaga(Segment segment, boolean sagaInvoked,
                 SagaInitializationPolicy initializationPolicy) {
  return ((initializationPolicy.getCreationPolicy() == SagaCreationPolicy.ALWAYS
      || (!sagaInvoked && initializationPolicy.getCreationPolicy() == SagaCreationPolicy.IF_NONE_FOUND)))
      && segment.matches(initializationPolicy.getInitialAssociationValue());
}

/**
 * Checks whether the given {@code sagaId} matches with the given {@code segment}.
 * <p>
 * For any complete set of segments, exactly one segment matches with any value.
 * <p>
 *
 * @param segment The segment to validate the identifier for
 * @param sagaId  The identifier to test
 * @return {@code true} if the identifier matches the segment, otherwise {@code false}
 *
 * @implSpec This implementation uses the {@link Segment#matches(Object)} to match against the Saga identifier
 */
protected boolean matchesSegment(Segment segment, String sagaId) {
  return segment.matches(sagaId);
}

/**
 * Checks whether the given {@code sagaId} matches with the given {@code segment}.
 * <p>
 * For any complete set of segments, exactly one segment matches with any value.
 * <p>
 *
 * @param segment The segment to validate the identifier for
 * @param sagaId  The identifier to test
 * @return {@code true} if the identifier matches the segment, otherwise {@code false}
 *
 * @implSpec This implementation uses the {@link Segment#matches(Object)} to match against the Saga identifier
 */
protected boolean matchesSegment(Segment segment, String sagaId) {
  return segment.matches(sagaId);
}

/**
 * Indicates whether the given {@code value} matches this segment. A value matches when the hashCode of a value,
 * after applying this segments mask, equals to this segment ID.
 *
 * @param value The value to verify against.
 * @return {@code true} if the given value matches this segment, otherwise {@code false}
 */
public boolean matches(Object value) {
  return mask == 0 || matches(Objects.hashCode(value));
}

/**
 * Indicates whether the given {@code value} matches this segment. A value matches when the hashCode of a value,
 * after applying this segments mask, equals to this segment ID.
 *
 * @param value The value to verify against.
 * @return {@code true} if the given value matches this segment, otherwise {@code false}
 */
public boolean matches(Object value) {
  return mask == 0 || matches(Objects.hashCode(value));
}

@Override
public boolean canHandle(EventMessage<?> eventMessage, Segment segment) {
  return hasHandler(eventMessage)
      && segment.matches(Objects.hashCode(getOrDefault(sequencingPolicy.getSequenceIdentifierFor(eventMessage),
                               eventMessage::getIdentifier)));
}

@Override
public boolean canHandle(EventMessage<?> eventMessage, Segment segment) {
  return hasHandler(eventMessage) && segment.matches(Objects.hashCode(getOrDefault(
      sequencingPolicy.getSequenceIdentifierFor(eventMessage),
      eventMessage::getIdentifier)
  ));
}

private boolean shouldCreateSaga(Segment segment, boolean sagaInvoked,
                 SagaInitializationPolicy initializationPolicy) {
  return ((initializationPolicy.getCreationPolicy() == SagaCreationPolicy.ALWAYS
      || (!sagaInvoked && initializationPolicy.getCreationPolicy() == SagaCreationPolicy.IF_NONE_FOUND)))
      && segment.matches(initializationPolicy.getInitialAssociationValue());
}

private boolean shouldCreateSaga(Segment segment, boolean sagaInvoked,
                 SagaInitializationPolicy initializationPolicy) {
  return ((initializationPolicy.getCreationPolicy() == SagaCreationPolicy.ALWAYS
      || (!sagaInvoked && initializationPolicy.getCreationPolicy() == SagaCreationPolicy.IF_NONE_FOUND)))
      && segment.matches(initializationPolicy.getInitialAssociationValue());
}