1  /*
     2   * Copyright the original author or authors.
     3   * 
     4   * Licensed under the MOZILLA PUBLIC LICENSE, Version 1.1 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   * 
     8   *      http://www.mozilla.org/MPL/MPL-1.1.html
     9   * 
    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  import org.as2lib.aop.JoinPoint;
    18  import org.as2lib.aop.Advice;
    19  
    20  /**
    21   * {@code BeforeAdvice} is invoked before the execution of a specific join point, this
    22   * advice has been woven into.
    23   * 
    24   * @author Simon Wacker
    25   * @see <a href="http://www.simonwacker.com/blog/archives/000066.php">Advice</a>
    26   */
    27  interface org.as2lib.aop.advice.BeforeAdvice extends Advice {
    28  	
    29  	/**
    30  	 * Executes the actions to perform before the {@code joinPoint} is proceeded.
    31  	 * 
    32  	 * <p>It is not possible to alter the context of the procession of the join point.
    33  	 * The passed-in {@code args} are just a copy of the arguments passed-to the join
    34  	 * point.
    35  	 * 
    36  	 * <p>If you use the proxy returned by the {@code AbstractBeforeAdvice#getProxy}
    37  	 * method to overwrite the actual join point, this method is invoked before the
    38  	 * given {@code joinPoint} is proceeded with the values of the given {@code args}.
    39  	 *
    40  	 * @param joinPoint the join point the advice was woven into
    41  	 * @param args the arguments passed to the join point
    42  	 */
    43  	public function execute(joinPoint:JoinPoint, args:Array):Void;
    44  	
    45  }