001/* 002 * (C) Copyright 2015 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0 009 * 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 * 016 * Contributors: 017 * <a href="mailto:grenard@nuxeo.com">Guillaume Renard</a> 018 * 019 */ 020 021package org.nuxeo.ecm.platform.routing.core.listener; 022 023import org.apache.commons.lang.StringUtils; 024import org.nuxeo.ecm.core.api.CoreSession; 025import org.nuxeo.ecm.core.api.DocumentModel; 026import org.nuxeo.ecm.core.api.IdRef; 027import org.nuxeo.ecm.core.api.event.DocumentEventTypes; 028import org.nuxeo.ecm.core.event.Event; 029import org.nuxeo.ecm.core.event.EventListener; 030import org.nuxeo.ecm.core.event.impl.DocumentEventContext; 031import org.nuxeo.ecm.platform.routing.api.DocumentRoutingConstants; 032import org.nuxeo.ecm.platform.routing.core.impl.GraphNode; 033import org.nuxeo.ecm.platform.routing.core.impl.GraphRoute; 034import org.nuxeo.ecm.platform.task.Task; 035 036/** 037 * @since 7.4 038 */ 039public class RoutingTaskDeletedListener implements EventListener { 040 041 @Override 042 public void handleEvent(Event event) { 043 if (!DocumentEventTypes.ABOUT_TO_REMOVE.equals(event.getName())) { 044 return; 045 } 046 DocumentEventContext docCtx; 047 if (event.getContext() instanceof DocumentEventContext) { 048 docCtx = (DocumentEventContext) event.getContext(); 049 } else { 050 return; 051 } 052 DocumentModel doc = docCtx.getSourceDocument(); 053 CoreSession session = docCtx.getCoreSession(); 054 if (doc.hasFacet(DocumentRoutingConstants.ROUTING_TASK_FACET_NAME)) { 055 Task task = doc.getAdapter(Task.class); 056 String routeId = task.getProcessId(); 057 IdRef routeIdRef = new IdRef(routeId); 058 if (StringUtils.isNotBlank(routeId) && session.exists(routeIdRef)) { 059 GraphRoute graphRoute = session.getDocument(routeIdRef).getAdapter(GraphRoute.class); 060 String nodeId = task.getVariable(DocumentRoutingConstants.TASK_NODE_ID_KEY); 061 if (StringUtils.isNotBlank(nodeId)) { 062 GraphNode graphNode = graphRoute.getNode(nodeId); 063 graphNode.removeTaskInfo(task.getId()); 064 } 065 } 066 067 } 068 } 069 070}