protected DeleteHandler<Object> createDeleteHandler() {
// look for @Consumed to allow custom callback when the Entity has been consumed
final Class<?> entityType = getEndpoint().getEntityType();
if (entityType != null) {
List<Method> methods = ObjectHelper.findMethodsWithAnnotation(entityType, Consumed.class);
if (methods.size() > 1) {
throw new IllegalArgumentException(
"Only one method can be annotated with the @Consumed annotation but found: " + methods);
} else if (methods.size() == 1) {
final Method method = methods.get(0);
final boolean useExchangeParameter = checkParameters(method);
return new DeleteHandler<Object>() {
public void deleteObject(
EntityManager entityManager, Object entityBean, Exchange exchange) {
if (entityType.isInstance(entityBean)) {
if (useExchangeParameter) {
ObjectHelper.invokeMethod(method, entityBean, exchange);
} else {
ObjectHelper.invokeMethod(method, entityBean);
}
}
}
};
}
}
if (getEndpoint().isConsumeDelete()) {
return new DeleteHandler<Object>() {
public void deleteObject(
EntityManager entityManager, Object entityBean, Exchange exchange) {
entityManager.remove(entityBean);
}
};
} else {
return new DeleteHandler<Object>() {
public void deleteObject(
EntityManager entityManager, Object entityBean, Exchange exchange) {
// do nothing
}
};
}
}
protected DeleteHandler<Object> createPreDeleteHandler() {
// Look for @PreConsumed to allow custom callback before the Entity has been consumed
final Class<?> entityType = getEndpoint().getEntityType();
if (entityType != null) {
// Inspect the method(s) annotated with @PreConsumed
List<Method> methods = ObjectHelper.findMethodsWithAnnotation(entityType, PreConsumed.class);
if (methods.size() > 1) {
throw new IllegalStateException(
"Only one method can be annotated with the @PreConsumed annotation but found: "
+ methods);
} else if (methods.size() == 1) {
// Inspect the parameters of the @PreConsumed method
final Method method = methods.get(0);
final boolean useExchangeParameter = checkParameters(method);
return new DeleteHandler<Object>() {
@Override
public void deleteObject(
EntityManager entityManager, Object entityBean, Exchange exchange) {
// The entityBean could be an Object array
if (entityType.isInstance(entityBean)) {
if (useExchangeParameter) {
ObjectHelper.invokeMethod(method, entityBean, exchange);
} else {
ObjectHelper.invokeMethod(method, entityBean);
}
}
}
};
}
}
// else do nothing
return new DeleteHandler<Object>() {
@Override
public void deleteObject(EntityManager entityManager, Object entityBean, Exchange exchange) {
// Do nothing
}
};
}
