br.com.caelum.vraptor.BeforeCall Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of vraptor Show documentation

There is a newer version: 4.3.0-beta-3

/***
 * Copyright (c) 2009 Caelum - www.caelum.com.br/opensource All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package br.com.caelum.vraptor;

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

/**
 * Executes a method before the current call, and you can't have more than one method annotated with {@link BeforeCall} 
 * in the same class. The target method must have no parameters. The method 
 * {@code br.com.caelum.vraptor.interceptor.SimpleInterceptorStack#next} will call implicity after the execution.
 * 
 * 
 * \@BeforeCall
 * public void intercept() {
 *     System.out.println("code executed before stack");
 * }
 * 
 */
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface BeforeCall {

}