001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.wicket.spring.injection.annot;
018
019import java.lang.annotation.Documented;
020import java.lang.annotation.ElementType;
021import java.lang.annotation.Retention;
022import java.lang.annotation.RetentionPolicy;
023import java.lang.annotation.Target;
024
025/**
026 * Annotation used to tag a field as a placeholder for a spring bean.
027 * 
028 * @author Igor Vaynberg (ivaynberg)
029 */
030@Retention(RetentionPolicy.RUNTIME)
031@Target({ ElementType.FIELD })
032@Documented
033public @interface SpringBean {
034        /**
035         * Optional attribute for specifying the name of the bean. If not specified, the bean will be
036         * looked up by the type of the field with the annotation.
037         * 
038         * @return name attr
039         */
040        String name() default "";
041
042
043        /**
044         * Optional attribute for specifying if bean is required or not.
045         * 
046         * @return {@code false} if the bean is optional. Default: {@code true}.
047         */
048        boolean required() default true;
049}