Java tutorial
/********************************************************************************** * $URL: https://source.sakaiproject.org/svn/kernel/trunk/api/src/main/java/org/sakaiproject/antivirus/api/VirusFoundException.java $ * $Id: VirusFoundException.java 68335 2009-10-29 08:18:43Z david.horwitz@uct.ac.za $ *********************************************************************************** * * Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008 Sakai Foundation * * Licensed under the Educational Community 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.opensource.org/licenses/ECL-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 org.sakaiproject.conditions.api; import org.apache.commons.collections.Predicate; import org.sakaiproject.event.api.NotificationAction; /** * A Rule extends <code>org.apache.commons.collections.Predicate</code> and * decorates it with an enum that represents the relationship among the * Predicates within the rule: the Predicates that make up a rule are * either AND'd together or OR'd together. * * A Rule is also a <code>Command</code>, which means it has an execute method that can * be invoked to perform some action. * * @author Zach A. Thomas <zach@aeroplanesoftware.com> */ public interface Rule extends Predicate, NotificationAction { /** * A Rule may have an AND relationship among its Predicates, or it may have an OR. * This enumeration is a convenience for setting this relationship on the Rule. * */ enum Conjunction { AND, OR }; }