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package javax.interceptor;

import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

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

/**
 * <p>Specifies that an annotation type is an interceptor binding type.</p>
 * 
 * <pre>
 * &#064;Inherited 
 * &#064;InterceptorBinding 
 * &#064;Target({TYPE, METHOD}) 
 * &#064;Retention(RUNTIME) 
 * public &#064;interface Valid {}
 * </pre>
 * 
 * <p>Interceptor bindings
 * are intermediate annotations that may be used to associate 
 * interceptors with target beans.</p>
 * 
 * <p>The interceptor bindings of an interceptor are specified by annotating 
 * the interceptor class with the binding types and the
 * {@link javax.interceptor.Interceptor Interceptor} annotation.</p>
 * 
 * <pre>
 * &#064;Valid &#064;Interceptor
 * public class ValidationInterceptor { ... }
 * </pre>
 * 
 * <p>An interceptor may specify multiple interceptor bindings.</p>
 * 
 * <p>An interceptor binding of a bean 
 * may be declared by annotating the bean class, or a method of the bean class, 
 * with the interceptor binding type.</p>
 * 
 * <pre>
 * &#064;Valid
 * public class Order { ... }
 * </pre>
 * 
 * <pre>
 * &#064;Valid &#064;Secure
 * public void updateOrder(Order order) { ... }
 * </pre>
 * 
 * <p>A bean class or method of a bean class may declare multiple interceptor 
 * bindings.</p>
 * 
 * <p>An interceptor binding type may declare other interceptor bindings.</p>
 * 
 * <pre>
 * &#064;Inherited 
 * &#064;InterceptorBinding 
 * &#064;Target({TYPE, METHOD}) 
 * &#064;Retention(RUNTIME) 
 * &#064;Valid
 * public &#064;interface Secure {}
 * </pre>
 * 
 * <p>Interceptor bindings are transitive&mdash;an interceptor binding declared 
 * by an interceptor binding type is inherited by all beans and other interceptor 
 * binding types that declare that interceptor binding type.</p>
 * 
 * @see javax.interceptor.Interceptor
 *
 * @since Interceptors 1.1
 */
@Target(ANNOTATION_TYPE)
@Retention(RUNTIME)
@Documented
public @interface InterceptorBinding {}