/*

  * Copyright 2006-2008 The Kuali 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/ecl2.php

  * 

  * 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.kuali.rice.kns.rules;

 import org.kuali.rice.krad.document.Document;

 import org.kuali.rice.kns.document.MaintenanceDocument;

 import org.kuali.rice.krad.rule.event.ApproveDocumentEvent;

 /**

  * Rule event interface for implementing business rules against a <code>MaintenanceDocument</code>

  *

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 public interface MaintenanceDocumentRule {

     /**

      * Runs all business rules needed prior to saving. This includes both common rules for all maintenance documents,

      * plus class-specific business rules.

      *

      * Will only return false if it fails the isValidForSave() test. Otherwise, it will always return positive

      * regardless of the outcome of the business rules. However, any error messages resulting from the business rules

      * will still be populated, for display to the consumer of this service.

      *

      * @see org.kuali.rice.krad.rule.SaveDocumentRule#processSaveDocument(org.kuali.rice.krad.document.Document)

      */

     public abstract boolean processSaveDocument(Document document);

     /**

      * Runs all business rules needed prior to routing. This includes both common rules for all maintenance documents,

      * plus class-specific business rules.

      *

      * Will return false if any business rule fails, or if the document is in an invalid state, and not routable (see

      * isDocumentValidForRouting()).

      *

      * @see org.kuali.rice.krad.rule.RouteDocumentRule#processRouteDocument(org.kuali.rice.krad.document.Document)

      */

     public abstract boolean processRouteDocument(Document document);

     /**

      * Runs all business rules needed prior to approving. This includes both common rules for all maintenance documents,

      * plus class-specific business rules.

      *

      * Will return false if any business rule fails, or if the document is in an invalid state, and not approvable (see

      * isDocumentValidForApproving()).

      *

      * @see org.kuali.rice.krad.rule.ApproveDocumentRule#processApproveDocument(org.kuali.rice.krad.rule.event.ApproveDocumentEvent)

      */

     public abstract boolean processApproveDocument(ApproveDocumentEvent approveEvent);

     /**

      * Sets the convenience objects like newAccount and oldAccount, so you have short and easy handles to the new and

      * old objects contained in the maintenance document.

      *

      * It also calls the BusinessObjectBase.refresh(), which will attempt to load all sub-objects from the DB by their

      * primary keys, if available.

      *

      * @param document - the maintenanceDocument being evaluated

      */

     public void setupBaseConvenienceObjects(MaintenanceDocument document);

     /**

      * Should always be overriden if a subclass is created.

      *

      * The goal for this is to cast the oldBo and newBo into the correct types of the subclass.

      */

     public void setupConvenienceObjects();

 }