001/* 002 * (C) Copyright 2009 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 * arussel 018 */ 019package org.nuxeo.ecm.platform.task.core.listener; 020 021import java.util.List; 022 023import org.nuxeo.ecm.core.api.CoreSession; 024import org.nuxeo.ecm.core.api.DocumentModel; 025import org.nuxeo.ecm.core.api.NuxeoPrincipal; 026import org.nuxeo.ecm.core.api.event.DocumentEventTypes; 027import org.nuxeo.ecm.core.event.Event; 028import org.nuxeo.ecm.core.event.EventListener; 029import org.nuxeo.ecm.core.event.impl.DocumentEventContext; 030import org.nuxeo.ecm.platform.task.Task; 031import org.nuxeo.ecm.platform.task.TaskService; 032import org.nuxeo.runtime.api.Framework; 033 034/** 035 * Listener that deletes deletes related tasks of the document. 036 * 037 * @author arussel 038 * @since 5.5 039 */ 040public class DeleteTaskForDeletedDocumentListener implements EventListener { 041 042 /** 043 * @deprecated since 11.1. Use {@link Framework#getService(Class)} with {@link TaskService} instead. 044 */ 045 @Deprecated 046 public TaskService getTaskService() { 047 return Framework.getService(TaskService.class); 048 } 049 050 @Override 051 public void handleEvent(Event event) { 052 if (DocumentEventTypes.ABOUT_TO_REMOVE.equals(event.getName())) { 053 TaskService taskService = Framework.getService(TaskService.class); 054 DocumentEventContext context = (DocumentEventContext) event.getContext(); 055 DocumentModel dm = context.getSourceDocument(); 056 CoreSession coreSession = context.getCoreSession(); 057 List<Task> tasks = taskService.getTaskInstances(dm, (NuxeoPrincipal) null, coreSession); 058 if (!tasks.isEmpty()) { 059 for (Task task : tasks) { 060 taskService.deleteTask(coreSession, task.getId()); 061 } 062 } 063 } 064 } 065 066}