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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 javax.enterprise.inject.spi;

import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.Set;

/**
 * Describes annotated member properties.
 * 
 * @version $Rev: 815435 $ $Date: 2009-09-15 14:18:44 -0400 (Tue, 15 Sep 2009) $
 */
public interface Annotated 
{
	/**
	 * Returns type of the element.
	 * 
	 * @return type of the element
	 */
	public Type getBaseType();
	
	/**
	 * Returns set of type closures. Type closure means
	 * that {@link Annotated#getBaseType()} is assignable.
	 * 
	 * @return set of type closures.
	 */
	public Set getTypeClosure();
	
	/**
	 * Gets annotated element's annotation member if exist, null otherwise
	 * 
	 * @param  generic annotatation class type
	 * @param annotationType class of the annotation
	 * @return annotated element's annotation member if exist, null otherwise
	 */
	public  T getAnnotation(Class annotationType);
	
	/**
	 * Gets annotated member all annotations.
	 * 
	 * @return annotated member annotations
	 */
	public Set getAnnotations();
	
	/**
	 * Returns true if annotated member has annotation for given annotation type,
	 * false otherwise.
	 * 
	 * @param annotationType type of the annotation
	 * @return true if annotated member has annotation for given annotation type
	 */
	public boolean isAnnotationPresent(Class annotationType);

}