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XWork is an command-pattern framework that is used to power WebWork as well as other applications. XWork provides an Inversion of Control container, a powerful expression language, data type conversion, validation, and pluggable configuration.

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/*
 * Copyright (c) 2002-2006 by OpenSymphony
 * All rights reserved.
 */
package com.opensymphony.xwork2.interceptor.annotations;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * 
 * Marks a action method that needs to be called after the main action method and the result was
 * executed. Return value is ignored.
 * 
 *
 *  Annotation usage:
 *
 * 
 * The After annotation can be applied at method level.
 *
 * 
 *
 * 
 Annotation parameters:
 *
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 *  Parameter  Required  Default  Notes 
priority no 10 Priority order of method execution
 * 
 *
 *  Example code:
 *
 * 
 * 
 * public class SampleAction extends ActionSupport {
 *
 *  @After
 *  public void isValid() throws ValidationException {
 *    // validate model object, throw exception if failed
 *  }
 *
 *  public String execute() {
 *     // perform action
 *     return SUCCESS;
 *  }
 * }
 * 
 * 
 *
 * @author Zsolt Szasz, zsolt at lorecraft dot com
 * @author Rainer Hermanns
 */
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.METHOD})
public @interface After {
    int priority() default 10; 
}