01: /*
02: * Copyright 2002-2007 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16:
17: package org.springframework.beans.factory.annotation;
18:
19: import java.lang.annotation.ElementType;
20: import java.lang.annotation.Retention;
21: import java.lang.annotation.RetentionPolicy;
22: import java.lang.annotation.Target;
23:
24: /**
25: * Marks a method (typically a JavaBean setter method) as being 'required': that is,
26: * the setter method must be configured to be dependency-injected with a value.
27: *
28: * <p>Please do consult the javadoc for the {@link RequiredAnnotationBeanPostProcessor}
29: * class (which, by default, checks for the presence of this annotation).
30: *
31: * @author Rob Harrop
32: * @since 2.0
33: * @see RequiredAnnotationBeanPostProcessor
34: */
35: @Retention(RetentionPolicy.RUNTIME)
36: @Target(ElementType.METHOD)
37: public @interface Required {
38:
39: }
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