1 package org.simantics.modeling.scl;
3 import java.util.ArrayList;
4 import java.util.Collection;
6 import org.simantics.Simantics;
7 import org.simantics.db.ReadGraph;
8 import org.simantics.db.Resource;
9 import org.simantics.db.WriteGraph;
10 import org.simantics.db.common.request.UnaryRead;
11 import org.simantics.db.common.request.WriteRequest;
12 import org.simantics.db.exception.DatabaseException;
13 import org.simantics.db.procedure.SyncListener;
14 import org.simantics.db.request.Read;
15 import org.simantics.layer0.Layer0;
16 import org.simantics.modeling.ModelingUtils;
17 import org.simantics.modeling.internal.Activator;
18 import org.simantics.scl.compiler.internal.codegen.types.JavaReferenceValidatorFactory;
19 import org.simantics.scl.compiler.module.repository.UpdateListener;
20 import org.simantics.scl.compiler.module.repository.UpdateListener.Observable;
21 import org.simantics.scl.compiler.source.ModuleSource;
22 import org.simantics.scl.compiler.source.StringModuleSource;
23 import org.simantics.scl.compiler.source.repository.ModuleSourceRepository;
24 import org.simantics.scl.osgi.internal.OsgiJavaReferenceValidatorFactory;
25 import org.simantics.scl.runtime.SCLContext;
26 import org.simantics.scl.runtime.tuple.Tuple0;
27 import org.simantics.structural2.utils.StructuralUtils;
28 import org.slf4j.Logger;
29 import org.slf4j.LoggerFactory;
31 import gnu.trove.procedure.TObjectProcedure;
32 import gnu.trove.set.hash.THashSet;
34 public enum GraphModuleSourceRepository implements ModuleSourceRepository {
37 private static final Logger LOGGER = LoggerFactory.getLogger(OntologyModuleSourceRepository.class);
39 private static final OsgiJavaReferenceValidatorFactory REFERENCE_VALIDATOR_FACTORY = new OsgiJavaReferenceValidatorFactory(Activator.getContext().getBundle());
42 public ModuleSource getModuleSource(final String moduleName, UpdateListener listener) {
43 if(!moduleName.startsWith("http://"))
44 return null; // Don't do a graph request if this cannot be a resource
46 Read<ModuleSource> request = new ReadModuleSource(moduleName);
50 return Simantics.getAvailableRequestProcessor().syncRequest(request, new ModuleListener(listener, moduleName));
52 return Simantics.getAvailableRequestProcessor().syncRequest(request);
53 } catch (DatabaseException e) {
54 LOGGER.error("Failed to read graph module {}.", moduleName, e);
59 static class ModuleListener implements SyncListener<ModuleSource>, Observable {
60 UpdateListener listener;
61 boolean alreadyExecutedOnce;
62 final String moduleName;
63 public ModuleListener(UpdateListener listener, String moduleName) {
64 this.listener = listener;
65 this.listener.addObservable(this);
66 this.moduleName = moduleName;
69 public void removeListener(UpdateListener listener) {
73 public boolean isDisposed() {
74 return listener == null;
76 private void fireUpdate(ReadGraph graph) {
77 if(listener != null) {
78 SCLContext context = SCLContext.getCurrent();
79 Object oldGraph = context.put("graph", graph);
81 synchronized(GraphModuleSourceRepository.class) {
82 listener.notifyAboutUpdate();
86 context.put("graph", oldGraph);
91 public void execute(ReadGraph graph, ModuleSource result)
92 throws DatabaseException {
93 if(alreadyExecutedOnce)
96 alreadyExecutedOnce = true;
99 public void exception(ReadGraph graph, Throwable t)
100 throws DatabaseException {
101 LOGGER.error("Could not listen {}", this, t);
102 if(alreadyExecutedOnce && listener != null)
107 public String toString() {
108 return moduleName + " " + listener + " (" + alreadyExecutedOnce + ") [" + getClass().toString() + "]";
112 public static class GraphModuleSource extends StringModuleSource {
114 private final boolean immutable;
116 public GraphModuleSource(String moduleName, ClassLoader classLoader, String moduleText, boolean immutable) {
117 super(moduleName, classLoader, moduleText);
118 this.immutable = immutable;
122 public boolean isUpdateable() {
127 public void update(String newSourceText) {
129 Simantics.getSession().syncRequest(new WriteModuleSource(getModuleName(), newSourceText));
130 } catch (DatabaseException e) {
131 LOGGER.error("Could not update {} with newSourceText {}", this, newSourceText);
136 public JavaReferenceValidatorFactory getJavaReferenceValidatorFactory() {
137 return REFERENCE_VALIDATOR_FACTORY;
141 static class ReadModuleSource extends UnaryRead<String, ModuleSource> {
142 public ReadModuleSource(String moduleName) {
147 public ModuleSource perform(ReadGraph graph) throws DatabaseException {
148 Resource moduleResource = graph.getPossibleResource(parameter);
149 if(moduleResource == null)
151 Layer0 L0 = Layer0.getInstance(graph);
152 if(!graph.isInstanceOf(moduleResource, L0.SCLModule))
154 String text = graph.getRelatedValue(moduleResource, L0.SCLModule_definition);
155 boolean immutable = StructuralUtils.isImmutable(graph, moduleResource);
156 return new GraphModuleSource(parameter, getClass().getClassLoader(), text, immutable);
160 static class WriteModuleSource extends WriteRequest {
161 private final String moduleURI;
162 private final String sourceText;
164 public WriteModuleSource(String moduleURI, String sourceText) {
165 this.moduleURI = moduleURI;
166 this.sourceText = sourceText;
170 public void perform(WriteGraph graph) throws DatabaseException {
171 Resource moduleResource = graph.getPossibleResource(moduleURI);
172 if(moduleResource == null)
174 Layer0 L0 = Layer0.getInstance(graph);
175 if(!graph.isInstanceOf(moduleResource, L0.SCLModule))
177 graph.claimLiteral(moduleResource, L0.SCLModule_definition, sourceText);
181 private THashSet<String> getAllModules(ReadGraph graph) throws DatabaseException {
182 THashSet<String> result = new THashSet<String>();
183 Resource projectResource = Simantics.getProjectResource();
184 Layer0 L0 = Layer0.getInstance(graph);
185 for(Resource model : graph.getObjects(projectResource, L0.ConsistsOf)) {
186 if(graph.isInstanceOf(model, L0.IndexRoot)) {
187 for(Resource module : ModelingUtils.searchByType(graph, model, L0.SCLModule))
188 result.add(graph.getURI(module));
192 Collection<Resource> ontologies = Simantics.applySCL("Simantics/SharedOntologies", "getSharedOntologies", graph, Tuple0.INSTANCE);
193 for (Resource ontology : ontologies) {
194 for(Resource module : ModelingUtils.searchByType(graph, ontology, L0.SCLModule))
196 result.add(graph.getURI(module));
197 } catch(DatabaseException e) {
198 LOGGER.error("Failed to find uri for " + module + ".");
206 public void forAllModules(TObjectProcedure<String> procedure) {
207 THashSet<String> moduleURIs = null;
209 moduleURIs = Simantics.getAvailableRequestProcessor().syncRequest(new Read<THashSet<String>>() {
211 public THashSet<String> perform(ReadGraph graph)
212 throws DatabaseException {
213 return getAllModules(graph);
216 moduleURIs.forEach(procedure);
217 } catch (DatabaseException e) {
218 LOGGER.error("Could not execute procedure {} for all modules {}", procedure, String.valueOf(moduleURIs), e);
223 public Collection<String> getModuleNames() {
224 ArrayList<String> result = new ArrayList<>();
225 forAllModules((String name) -> {