org.apache.beehive.controls.api.bean.Control Maven / Gradle / Ivy
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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.
*
* $Header:$
*/
package org.apache.beehive.controls.api.bean;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* The Control annotation type is used to annotate a field within a control
* client source file that is a control reference. It is the declarative
* mechanism for instantiating controls in Java clients. Java Controls
* runtime implementations will automatically initialize such annotated field
* references to an appropriate Java Control Bean of the requested type,
* and perform event listener hookup etc.
*/
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.FIELD})
public @interface Control
{
/**
* Optional member used to specify the control interface class.
* Typically only necessary to resolve ambiguities when multiple
* control interfaces with same name but different packages are present.
*/
Class interfaceHint() default Object.class;
}