001/* 002 * (C) Copyright 2020 Nuxeo (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 * Nour AL KOTOB 018 */ 019package org.nuxeo.ecm.platform.routing.core.listener; 020 021import static org.nuxeo.ecm.platform.routing.api.DocumentRoutingConstants.ATTACHED_DOCUMENTS_PROPERTY_NAME; 022import static org.nuxeo.ecm.platform.routing.api.DocumentRoutingConstants.DOCUMENT_ROUTE_DOCUMENT_TYPE; 023import static org.nuxeo.ecm.platform.routing.api.DocumentRoutingConstants.ROUTING_TASK_DOC_TYPE; 024 025import java.io.Serializable; 026import java.util.List; 027 028import org.nuxeo.ecm.core.api.CoreSession; 029import org.nuxeo.ecm.core.api.DocumentModel; 030import org.nuxeo.ecm.core.event.Event; 031import org.nuxeo.ecm.core.event.EventBundle; 032import org.nuxeo.ecm.core.event.PostCommitEventListener; 033import org.nuxeo.ecm.core.event.impl.DocumentEventContext; 034import org.nuxeo.ecm.platform.routing.api.DocumentRoute; 035import org.nuxeo.ecm.platform.routing.api.DocumentRoutingConstants; 036 037/** 038 * Listener that deletes orphan DocumentRoutes. 039 * 040 * @since 11.2 041 */ 042public class DocumentRouteOrphanedListener implements PostCommitEventListener { 043 044 protected static final String QUERY_GET_RELATED_DOCUMENT_ROUTES = "SELECT * FROM " + DOCUMENT_ROUTE_DOCUMENT_TYPE 045 + " WHERE " + ATTACHED_DOCUMENTS_PROPERTY_NAME + " = '%s'"; 046 047 @Override 048 public void handleEvent(EventBundle events) { 049 for (Event event : events) { 050 DocumentEventContext context = (DocumentEventContext) event.getContext(); 051 DocumentModel docModel = context.getSourceDocument(); 052 if (!DOCUMENT_ROUTE_DOCUMENT_TYPE.equals(docModel.getType()) 053 && !ROUTING_TASK_DOC_TYPE.equals(docModel.getType())) { 054 deleteOrphanDocumentRoutes(context.getCoreSession(), docModel.getId()); 055 } 056 } 057 } 058 059 /** 060 * Removes the given id from DocumentRoutes attached documents list and deletes the DocumentRoutes if they are not 061 * attached to a document anymore. 062 */ 063 protected void deleteOrphanDocumentRoutes(CoreSession session, String id) { 064 String query = String.format(QUERY_GET_RELATED_DOCUMENT_ROUTES, id); 065 for (DocumentModel doc : session.query(query)) { 066 @SuppressWarnings("unchecked") 067 var attachedDocuments = (List<String>) doc.getPropertyValue(ATTACHED_DOCUMENTS_PROPERTY_NAME); 068 attachedDocuments.remove(id); 069 if (attachedDocuments.isEmpty()) { 070 session.removeDocument(doc.getRef()); 071 } else { 072 doc.setPropertyValue(ATTACHED_DOCUMENTS_PROPERTY_NAME, (Serializable) attachedDocuments); 073 session.saveDocument(doc); 074 } 075 } 076 } 077 078}