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 /*
  * JBoss, Home of Professional Open Source
  * Copyright 2008, Red Hat, Inc., and individual contributors
  * by the @authors tag. See the copyright.txt in the distribution for a
  * full listing of individual contributors.
  *
  * 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,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jboss.weld.event;
Bound factory class that produces implicit observers for observer methods.

Author(s):
David Allen
public class ObserverFactory {
    private ObserverFactory() {
    }

    
Creates an observer

Parameters:
method The observer method abstraction
declaringBean The declaring bean
manager The Bean manager
Returns:
An observer implementation built from the method abstraction
    public static <T, X> ObserverMethodImpl<T, X> create(EnhancedAnnotatedMethod<T, ? super X> methodRIBean<X> declaringBeanBeanManagerImpl manager) {
        ObserverMethodImpl<T, X> result = null;
        if (declaringBean instanceof ExtensionBean) {
            result = new ExtensionObserverMethodImpl<T, X>(methoddeclaringBeanmanager);
        } else {
            result = new ObserverMethodImpl<T, X>(methoddeclaringBeanmanager);
        }
        return result;
    }

    
Tests an observer method to see if it is transactional.

Parameters:
observer The observer method
Returns:
true if the observer method is annotated as transactional
    public static TransactionPhase getTransactionalPhase(EnhancedAnnotatedMethod<?, ?> observer) {
        EnhancedAnnotatedParameter<?, ?> parameter = observer.getEnhancedParameters(Observes.class).iterator().next();
        return parameter.getAnnotation(Observes.class).during();
    }
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