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.core.BasicInterface; 18 import org.as2lib.aop.JoinPoint; 19 20 /** 21 * {@code Advice} reflects an advice in an Aspect-Oriented Programming Language like 22 * AspectJ. This is the core interface that must be implemented to create a custom 23 * advices. 24 * 25 * <p>An advice defines the code to be executed at a specific pointcut, that defines 26 * where and when this code shall be executed. 27 * 28 * @author Simon Wacker 29 * @see <a href="http://www.simonwacker.com/blog/archives/000066.php">Advice</a> 30 */ 31 interface org.as2lib.aop.Advice extends BasicInterface { 32 33 /** 34 * Checks whether this advice captures the given {@code joinPoint}. This check is 35 * normally being done using the set pointcut. 36 * 37 * @param joinPoint the join point upon which to make the check 38 * @return {@code true} if the given {@code joinPoint} is captured else {@code false} 39 */ 40 public function captures(joinPoint:JoinPoint):Boolean; 41 42 /** 43 * Returns a proxy method that can be used instead of the original method of the 44 * {@code joinPoint}. This proxy does not only invoke the original method, but also 45 * performs the weaved-in actions of the advice. 46 * 47 * @param joinPoint the join point that represents the original method 48 * @return the proxy method 49 */ 50 public function getProxy(joinPoint:JoinPoint):Function; 51 52 }