001/*
002 * Copyright 2008 The Kuali Foundation
003 * 
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 * 
008 * http://www.opensource.org/licenses/ecl2.php
009 * 
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.ole.sys.document.validation;
017
018import org.kuali.ole.sys.document.validation.event.AttributedDocumentEvent;
019
020/**
021 * An interface for a simple validation
022 */
023public interface Validation {
024    /**
025     * This method validates that certain parameters 
026     * @param parameters a list of parameters to validate
027     * @return true if validation should continue, false otherwise
028     */
029   public abstract boolean validate(AttributedDocumentEvent event);
030    
031   /**
032    * Returns whether the validation process should quit on the failure of this validation
033    * @return true if the validation process should quit, false otherwise
034    */
035   public abstract boolean shouldQuitOnFail();
036   
037   /**
038    * Stages the execution of a Validation
039    * @param event the event the validate
040    * @return the boolean result of the staged Validation
041    */
042   public abstract boolean stageValidation(AttributedDocumentEvent event);
043}