/*
* The Kuali Financial System, a comprehensive financial management system for higher education.
*
* Copyright 2005-2014 The Kuali Foundation
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.kuali.kfs.sys.monitor;
import org.kuali.rice.krad.document.Document;
import org.kuali.rice.krad.service.DocumentService;
/**
* DocumentVersionMonitor
*/
public class DocumentVersionMonitor extends ChangeMonitor {
private final DocumentService documentService;
private final String documentHeaderId;
private final Long startVersion;
public DocumentVersionMonitor(DocumentService documentService, String documentHeaderId, Long startVersion) {
this.documentService = documentService;
this.documentHeaderId = documentHeaderId;
this.startVersion = startVersion;
}
/**
* Returns true if the version number of the given projectCode changes from startVersion.
*
* @see org.kuali.kfs.sys.document.routing.ChangeMonitor#valueChanged()
*/
public boolean valueChanged() throws Exception {
boolean changed = false;
Document hopefullyUpdatedDocument = documentService.getByDocumentHeaderId(documentHeaderId.toString());
Long currentVersion = hopefullyUpdatedDocument.getVersionNumber();
changed = !currentVersion.equals(this.startVersion);
return changed;
}
}