/*
* Bossa Workflow System
*
* $Id: OpenWorkItem.java,v 1.13 2004/03/03 20:54:49 gdvieira Exp $
*
* Copyright (C) 2003,2004 OpenBR Sistemas S/C Ltda.
*
* This file is part of Bossa.
*
* Bossa is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
package com.bigbross.bossa.wfnet;
import com.bigbross.bossa.BossaException;
import com.bigbross.bossa.resource.Resource;
/**
* This class implements the open operation of <code>WorkItem</code>
* through the prevalence subsystem. <p>
*
* @author <a href="http://www.bigbross.com">BigBross Team</a>
* @see WorkItem#open(Resource)
*/
class OpenWorkItem extends WFNetTransaction {
private String caseTypeId;
private int caseId;
private String workItemId;
private String resourceId;
/**
* Creates a new open operation. <p>
*
* @param workItem the work item to be opened.
* @param resource the resource opening it.
*/
OpenWorkItem(WorkItem workItem, Resource resource) {
this.workItemId = workItem.getId();
this.caseId = workItem.getCase().getId();
this.caseTypeId = workItem.getCaseType().getId();
this.resourceId = resource.getId();
}
/**
* Executes the operation. <p>
*
* @exception SetAttributeException if the underlying expression
* evaluation system has problems setting an attribute.
* @exception EvaluationException if an expression evaluation error
* occurs. If this exception is thrown the state of the case
* may be left inconsistent.
* @see WFNetTransaction#execute(CaseTypeManager)
*/
protected Object execute(CaseTypeManager caseTypeManager)
throws BossaException {
Resource resource = caseTypeManager.getBossa().
getResourceManager().getResource(resourceId);
Case caze = caseTypeManager.getCaseType(caseTypeId).getCase(caseId);
WorkItem workItem = caze.getWorkItem(workItemId);
return caze.open(workItem, resource);
}
}
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