GrepCode: org.springframework.beans.factory.annotation.Value (.java) - Annotation

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org.springframework.beans.factory.annotation.Value

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 /*
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  * Copyright 2002-2009 the original author or authors.
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  *
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  * Licensed under the Apache License, Version 2.0 (the "License");
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  * you may not use this file except in compliance with the License.
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  * You may obtain a copy of the License at
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  *
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  *      http://www.apache.org/licenses/LICENSE-2.0
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  *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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package org.springframework.beans.factory.annotation;
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import java.lang.annotation.ElementType;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.lang.annotation.Target;

 Annotation at the field or method/constructor parameter level
 that indicates a default value expression for the affected argument.

 Typically used for expression-driven dependency injection. Also supported
 for dynamic resolution of handler method parameters, e.g. in Spring MVC.

 
A common use case is to assign default field values using
 "#{systemProperties.myProp}" style expressions.

 
 Author(s):Juergen Hoeller Since:3.0 See also:org.springframework.beans.factory.config.BeanExpressionResolverorg.springframework.beans.factory.support.AutowireCandidateResolver.getSuggestedValue
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@Retention(RetentionPolicy.RUNTIME)
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@Target({ElementType.FIELD, ElementType.METHOD, ElementType.PARAMETER})
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public @interface Value {

	
 The actual value expression: e.g. "#{systemProperties.myProp}".
 
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	String value();
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}