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}