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 /*
  * JBoss, Home of Professional Open Source
  * Copyright 2013, 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.resources.spi;

This service allows an integrator to expose an annotation index for a deployment obtained from bytecode scanning. This service is optional. If provided, Weld will use this service to avoid expensive Java Reflection calls.

Deprecated:
This service is deprecated. Implement ClassFileServices instead.
Author(s):
Jozef Hartinger
public interface AnnotationDiscovery extends Service {

    

Indicates whether the given class contains an annotation of the given annotation type.

The process begins with enumerating a set of annotations which consists of:

The set is referred to as M hereafter

The given class is said to contain the given annotation if any of these applies:

  • A member of M is present on the class
  • A member of M, which is annotated with java.lang.annotation.Inherited, is present on a direct or indirect superclass of the given class
  • A member of M is present on a field or method declared by the given class or any direct or indirect superclass of the given class
  • A member of M is present on a parameter of a method declared by the given class or any direct or indirect superclass of the given class
  • A member of M is present on a constructor declared by the given class
  • A member of M is present on a parameter of a constructor declared by the given class

This is a per-deployment service.

Parameters:
javaClass the given class
annotation the given annotation type
Returns:
whether the given class contains an annotation of the given annotation type
    boolean containsAnnotation(Class<?> javaClassClass<? extends Annotationannotation);
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