/*
 * JBoss, Home of Professional Open Source
 * Copyright 2008, Red Hat Middleware LLC, 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 javax.enterprise.inject;

import static java.lang.annotation.ElementType.FIELD;
import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

/**
 * <p>Restricts the bean types of a bean. May be applied to
 * a bean class or producer method or field.</p>
 * 
 * <pre>
 * &#064;Typed(Shop.class)
 * public class BookShop
 *       extends Business
 *       implements Shop&lt;Book&gt; { 
 *    ... 
 * }
 * </pre>
 * 
 * <p>When a <tt>&#064;Typed</tt> annotation is specified, 
 * only the types whose classes are explicitly listed using 
 * the {@link javax.enterprise.inject.Typed#value() value} 
 * member, along with {@link java.lang.Object}, are bean 
 * types of the bean.</p>
 * 
 * @author Pete Muir
 * @author Gavin King
 * 
 */
@Target( { FIELD, METHOD, TYPE })
@Retention(RUNTIME)
@Documented
public @interface Typed
{
   /**
    * <p>Selects the bean types of the bean. Every class must 
    * correspond to a type in the unrestricted set of bean 
    * types of a bean.</p>
    * 
    * @return the classes corresponding to the bean types of 
    * the bean
    */
   Class<?>[] value() default {};

}
