1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.db.layer0.adapter.impl;
14 import java.util.ArrayList;
15 import java.util.Collections;
16 import java.util.HashMap;
17 import java.util.HashSet;
18 import java.util.List;
22 import org.simantics.databoard.Bindings;
23 import org.simantics.databoard.util.URIStringUtils;
24 import org.simantics.db.ReadGraph;
25 import org.simantics.db.Resource;
26 import org.simantics.db.WriteOnlyGraph;
27 import org.simantics.db.exception.DatabaseException;
28 import org.simantics.db.layer0.util.Layer0Utils;
29 import org.simantics.db.service.XSupport;
30 import org.simantics.graph.db.AbstractImportAdvisor2;
31 import org.simantics.graph.db.ImportAdvisors;
32 import org.simantics.graph.db.MissingDependencyException;
33 import org.simantics.graph.db.TransferableGraphImporter;
34 import org.simantics.graph.representation.Root;
35 import org.simantics.layer0.Layer0;
36 import org.simantics.utils.datastructures.Pair;
37 import org.simantics.utils.datastructures.Triple;
39 public class SharedOntologyImportAdvisor extends AbstractImportAdvisor2 {
43 private Map<Root, Triple<Resource, Resource, List<String>>> toCreate = new HashMap<Root, Triple<Resource, Resource, List<String>>>();
44 private Map<Root, Resource> created = new HashMap<Root, Resource>();
46 final private boolean published;
48 final private Map<String,Object> context;
50 public SharedOntologyImportAdvisor(boolean published) {
51 this(Collections.<String,Object>emptyMap(), published);
54 public SharedOntologyImportAdvisor(Map<String,Object> context, boolean published) {
55 this.context = context;
56 this.published = published;
59 private Resource getNames(ReadGraph graph, String uri, List<String> names) throws DatabaseException {
61 if("http://".equals(uri) || "http:/".equals(uri)) {
62 return graph.getRootLibrary();
65 final String[] parts = URIStringUtils.splitURI(uri);
66 if(parts != null && parts.length == 2) {
67 Resource base = graph.getPossibleResource(parts[0]);
68 if(base == null) base = getNames(graph, parts[0], names);
79 public Resource analyzeRoot(ReadGraph graph, Root r) throws DatabaseException {
81 L0 = Layer0.getInstance(graph);
84 Map<String,String> renameMap = (Map<String,String>)context.get(ImportAdvisors.RENAME_MAP);
85 if(renameMap != null) {
86 String renamed = renameMap.get(uri);
87 if(renamed != null) uri = renamed;
90 Resource existing = graph.getPossibleResource(uri);
91 if(existing != null) {
92 if(graph.isInstanceOf(existing, L0.ExternalEntity)) {
93 created.put(r, existing);
94 addRootInfo(r, r.name, existing);
97 throw new DatabaseException("Shared library " + uri + " exists already.");
101 Resource type = graph.getPossibleResource(r.type);
103 Set<String> types = new HashSet<String>();
105 throw new MissingDependencyException(types);
107 //if(type == null) throw new DatabaseException("Shared library type " + r.type + " was not found.");
109 List<String> namesToCreate = new ArrayList<String>();
110 Resource base = getNames(graph, uri, namesToCreate);
111 toCreate.put(r, Triple.make(base, type, namesToCreate));
118 public Resource getTarget() {
123 public Resource createRoot(WriteOnlyGraph graph, Root r) throws DatabaseException {
124 return createRoot(graph, r, null);
128 public Resource createRoot(WriteOnlyGraph graph, Root root, Resource resource) throws DatabaseException {
129 return created.get(root);
133 public void beforeWrite(WriteOnlyGraph graph, TransferableGraphImporter process)
134 throws DatabaseException {
136 XSupport xs = graph.getService(XSupport.class);
138 Pair<Boolean,Boolean> mode = xs.getServiceMode();
142 graph.markUndoPoint();
145 xs.setServiceMode(true, true);
147 xs.setServiceMode(true, mode.second);
150 graph.setClusterSet4NewResource(graph.getRootLibrary());
151 graph.flushCluster();
153 for(RootInfo info : getRootInfo()) {
154 // At this stage these are existing L0.ExternalEntity instances that are now being imported.
155 graph.deny(info.resource, L0.InstanceOf, null, L0.ExternalEntity, null);
158 for(Map.Entry<Root, Triple<Resource, Resource, List<String>>> entry : toCreate.entrySet()) {
160 Triple<Resource, Resource, List<String>> recipe = entry.getValue();
162 Resource base = recipe.first;
163 for(int i=0;i<recipe.third.size()-1;i++) {
164 Resource lib = graph.newResource();
165 graph.claim(lib, L0.InstanceOf, null, L0.Library);
166 graph.addLiteral(lib, L0.HasName, L0.NameOf, URIStringUtils.unescape( recipe.third.get(i) ), Bindings.STRING);
167 graph.claim(base, L0.ConsistsOf, L0.PartOf, lib);
171 Resource lib = graph.newResource();
172 graph.newClusterSet(lib);
173 graph.setClusterSet4NewResource(lib);
174 graph.claim(lib, L0.InstanceOf, null, recipe.second);
175 String name = URIStringUtils.unescape( recipe.third.get(recipe.third.size()-1) );
176 graph.addLiteral(lib, L0.HasName, L0.NameOf, name, Bindings.STRING);
177 graph.claim(base, L0.ConsistsOf, L0.PartOf, lib);
179 addRootInfo(entry.getKey(), name, lib);
181 created.put(entry.getKey(), lib);
185 graph.flushCluster();
189 xs.setServiceMode(mode.first, mode.second);
196 public void afterWrite(WriteOnlyGraph graph, TransferableGraphImporter process)
197 throws DatabaseException {
199 String name = getRootInfo().iterator().next().name;
200 Resource resource = getRootInfo().iterator().next().resource;
201 Layer0Utils.addCommentMetadata(graph, "Imported Shared Ontology " + name + " " + resource);
204 XSupport xs = graph.getService(XSupport.class);
205 xs.setServiceMode(false, false);
208 graph.setClusterSet4NewResource(graph.getRootLibrary());
209 graph.flushCluster();
214 public boolean allowImmutableModifications() {
219 public Resource createChild(WriteOnlyGraph graph, TransferableGraphImporter process, Resource parent,
220 String name) throws DatabaseException {
221 return process.createChild(graph, parent, null, name);
225 public Resource createChild(WriteOnlyGraph graph, TransferableGraphImporter process, Resource parent, Resource child,
226 String name) throws DatabaseException {
227 return process.createChild(graph, parent, child, name);