1 package org.simantics.modeling.scl;
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3 import org.simantics.Simantics;
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4 import org.simantics.db.ReadGraph;
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5 import org.simantics.db.RequestProcessorSpecific;
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6 import org.simantics.db.Resource;
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7 import org.simantics.db.WriteGraph;
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8 import org.simantics.db.common.request.UnaryRead;
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9 import org.simantics.db.common.request.WriteRequest;
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10 import org.simantics.db.exception.DatabaseException;
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11 import org.simantics.db.procedure.SyncListener;
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12 import org.simantics.db.request.Read;
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13 import org.simantics.layer0.Layer0;
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14 import org.simantics.modeling.ModelingUtils;
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15 import org.simantics.scl.compiler.module.repository.UpdateListener;
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16 import org.simantics.scl.compiler.source.ModuleSource;
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17 import org.simantics.scl.compiler.source.StringModuleSource;
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18 import org.simantics.scl.compiler.source.repository.ModuleSourceRepository;
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19 import org.simantics.scl.runtime.SCLContext;
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21 import gnu.trove.procedure.TObjectProcedure;
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22 import gnu.trove.set.hash.THashSet;
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24 public enum GraphModuleSourceRepository implements ModuleSourceRepository {
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28 public ModuleSource getModuleSource(final String moduleName, UpdateListener listener) {
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29 if(!moduleName.startsWith("http://"))
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32 Object graph = SCLContext.getCurrent().get("graph");
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33 RequestProcessorSpecific requestProcessor;
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34 if(graph instanceof ReadGraph)
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35 requestProcessor = (ReadGraph)graph;
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37 requestProcessor = Simantics.getSession();
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39 Read<ModuleSource> request = new ReadModuleSource(moduleName);
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42 if(listener != null)
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43 return requestProcessor.syncRequest(request, new ModuleListener(listener, moduleName));
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45 return requestProcessor.syncRequest(request);
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46 } catch (DatabaseException e) {
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47 e.printStackTrace();
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52 static class ModuleListener implements SyncListener<ModuleSource> {
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53 UpdateListener listener;
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54 boolean alreadyExecutedOnce;
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55 final String moduleName;
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56 public ModuleListener(UpdateListener listener, String moduleName) {
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57 this.listener = listener;
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58 this.moduleName = moduleName;
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61 public boolean isDisposed() {
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62 return listener == null;
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64 private void fireUpdate(ReadGraph graph) {
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65 if(listener != null) {
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66 SCLContext context = SCLContext.getCurrent();
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67 Object oldGraph = context.put("graph", graph);
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69 listener.notifyAboutUpdate();
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72 context.put("graph", oldGraph);
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77 public void execute(ReadGraph graph, ModuleSource result)
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78 throws DatabaseException {
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79 if(alreadyExecutedOnce)
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82 alreadyExecutedOnce = true;
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85 public void exception(ReadGraph graph, Throwable t)
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86 throws DatabaseException {
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87 t.printStackTrace();
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88 if(alreadyExecutedOnce && listener != null)
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93 public static class GraphModuleSource extends StringModuleSource {
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95 public GraphModuleSource(String moduleName, ClassLoader classLoader, String moduleText) {
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96 super(moduleName, classLoader, moduleText);
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100 public boolean isUpdateable() {
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105 public void update(String newSourceText) {
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107 Simantics.getSession().syncRequest(new WriteModuleSource(getModuleName(), newSourceText));
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108 } catch (DatabaseException e) {
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109 e.printStackTrace();
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114 static class ReadModuleSource extends UnaryRead<String, ModuleSource> {
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115 public ReadModuleSource(String moduleName) {
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120 public ModuleSource perform(ReadGraph graph) throws DatabaseException {
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121 Resource moduleResource = graph.getPossibleResource(parameter);
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122 if(moduleResource == null)
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124 Layer0 L0 = Layer0.getInstance(graph);
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125 if(!graph.isInstanceOf(moduleResource, L0.SCLModule))
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127 String text = graph.getRelatedValue(moduleResource, L0.SCLModule_definition);
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128 return new GraphModuleSource(parameter, getClass().getClassLoader(), text);
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132 static class WriteModuleSource extends WriteRequest {
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133 private final String moduleURI;
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134 private final String sourceText;
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136 public WriteModuleSource(String moduleURI, String sourceText) {
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137 this.moduleURI = moduleURI;
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138 this.sourceText = sourceText;
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142 public void perform(WriteGraph graph) throws DatabaseException {
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143 Resource moduleResource = graph.getPossibleResource(moduleURI);
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144 if(moduleResource == null)
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146 Layer0 L0 = Layer0.getInstance(graph);
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147 if(!graph.isInstanceOf(moduleResource, L0.SCLModule))
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149 graph.claimLiteral(moduleResource, L0.SCLModule_definition, sourceText);
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154 public void forAllModules(TObjectProcedure<String> procedure) {
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155 THashSet<String> moduleURIs;
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157 moduleURIs = Simantics.getSession().syncRequest(new Read<THashSet<String>>() {
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159 public THashSet<String> perform(ReadGraph graph)
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160 throws DatabaseException {
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161 THashSet<String> result = new THashSet<String>();
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162 Resource projectResource = Simantics.getProjectResource();
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163 Layer0 L0 = Layer0.getInstance(graph);
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164 for(Resource model : graph.getObjects(projectResource, L0.ConsistsOf)) {
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165 if(graph.isInstanceOf(model, L0.IndexRoot)) {
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166 for(Resource module : ModelingUtils.searchByType(graph, model, L0.SCLModule))
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167 result.add(graph.getURI(module));
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173 moduleURIs.forEach(procedure);
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174 } catch (DatabaseException e) {
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175 e.printStackTrace();
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180 public void checkUpdates() {
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184 public String getDocumentation(String documentationName) {
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189 public void forAllDocumentations(TObjectProcedure<String> procedure) {
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193 public void clear() {
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