org.jboss.weld.event.ObserverFactory Maven / Gradle / Ivy
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* Copyright 2008, Red Hat, Inc., and individual contributors
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*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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*/
package org.jboss.weld.event;
import org.jboss.weld.bean.RIBean;
import org.jboss.weld.introspector.WeldMethod;
import org.jboss.weld.introspector.WeldParameter;
import org.jboss.weld.manager.BeanManagerImpl;
import javax.enterprise.event.Observes;
import javax.enterprise.event.TransactionPhase;
/**
* Bound factory class that produces implicit observers for observer methods.
*
* @author David Allen
*/
public class ObserverFactory {
/**
* Creates an observer
*
* @param method The observer method abstraction
* @param declaringBean The declaring bean
* @param manager The Bean manager
* @return An observer implementation built from the method abstraction
*/
public static ObserverMethodImpl create(WeldMethod method, RIBean declaringBean, BeanManagerImpl manager) {
return new ObserverMethodImpl(method, declaringBean, manager);
}
/**
* Tests an observer method to see if it is transactional.
*
* @param observer The observer method
* @return true if the observer method is annotated as transactional
*/
public static TransactionPhase getTransactionalPhase(WeldMethod observer) {
WeldParameter parameter = observer.getWeldParameters(Observes.class).iterator().next();
return parameter.getAnnotation(Observes.class).during();
}
}