001/* 002 * (C) Copyright 2015 Nuxeo SA (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl-2.1.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * <a href="mailto:grenard@nuxeo.com">Guillaume Renard</a> 016 * 017 */ 018 019package org.nuxeo.ecm.platform.routing.core.listener; 020 021import org.apache.commons.lang.StringUtils; 022import org.nuxeo.ecm.core.api.CoreSession; 023import org.nuxeo.ecm.core.api.DocumentModel; 024import org.nuxeo.ecm.core.api.IdRef; 025import org.nuxeo.ecm.core.api.event.DocumentEventTypes; 026import org.nuxeo.ecm.core.event.Event; 027import org.nuxeo.ecm.core.event.EventListener; 028import org.nuxeo.ecm.core.event.impl.DocumentEventContext; 029import org.nuxeo.ecm.platform.routing.api.DocumentRoutingConstants; 030import org.nuxeo.ecm.platform.routing.core.impl.GraphNode; 031import org.nuxeo.ecm.platform.routing.core.impl.GraphRoute; 032import org.nuxeo.ecm.platform.task.Task; 033 034/** 035 * @since 7.4 036 */ 037public class RoutingTaskDeletedListener implements EventListener { 038 039 @Override 040 public void handleEvent(Event event) { 041 if (!DocumentEventTypes.ABOUT_TO_REMOVE.equals(event.getName())) { 042 return; 043 } 044 DocumentEventContext docCtx; 045 if (event.getContext() instanceof DocumentEventContext) { 046 docCtx = (DocumentEventContext) event.getContext(); 047 } else { 048 return; 049 } 050 DocumentModel doc = docCtx.getSourceDocument(); 051 CoreSession session = docCtx.getCoreSession(); 052 if (doc.hasFacet(DocumentRoutingConstants.ROUTING_TASK_FACET_NAME)) { 053 Task task = doc.getAdapter(Task.class); 054 String routeId = task.getProcessId(); 055 IdRef routeIdRef = new IdRef(routeId); 056 if (StringUtils.isNotBlank(routeId) && session.exists(routeIdRef)) { 057 GraphRoute graphRoute = session.getDocument(routeIdRef).getAdapter(GraphRoute.class); 058 String nodeId = task.getVariable(DocumentRoutingConstants.TASK_NODE_ID_KEY); 059 if (StringUtils.isNotBlank(nodeId)) { 060 GraphNode graphNode = graphRoute.getNode(nodeId); 061 graphNode.removeTaskInfo(task.getId()); 062 } 063 } 064 065 } 066 } 067 068}