1 /*******************************************************************************
2 * Copyright (c) 2012 Association for Decentralized Information Management in
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.util;
14 import java.io.IOException;
15 import java.util.ArrayList;
16 import java.util.Collection;
17 import java.util.Collections;
18 import java.util.Comparator;
19 import java.util.HashSet;
20 import java.util.List;
23 import java.util.TreeSet;
25 import org.eclipse.core.runtime.IProgressMonitor;
26 import org.eclipse.core.runtime.NullProgressMonitor;
27 import org.eclipse.core.runtime.SubMonitor;
28 import org.simantics.databoard.Bindings;
29 import org.simantics.databoard.Datatypes;
30 import org.simantics.databoard.adapter.AdaptException;
31 import org.simantics.databoard.adapter.Adapter;
32 import org.simantics.databoard.adapter.AdapterConstructionException;
33 import org.simantics.databoard.binding.Binding;
34 import org.simantics.databoard.binding.NumberBinding;
35 import org.simantics.databoard.binding.StringBinding;
36 import org.simantics.databoard.binding.error.BindingException;
37 import org.simantics.databoard.binding.mutable.MutableStringBinding;
38 import org.simantics.databoard.parser.repository.DataTypeSyntaxError;
39 import org.simantics.databoard.parser.repository.DataValueRepository;
40 import org.simantics.databoard.primitives.MutableString;
41 import org.simantics.databoard.type.ArrayType;
42 import org.simantics.databoard.type.BooleanType;
43 import org.simantics.databoard.type.ByteType;
44 import org.simantics.databoard.type.Datatype;
45 import org.simantics.databoard.type.DoubleType;
46 import org.simantics.databoard.type.FloatType;
47 import org.simantics.databoard.type.IntegerType;
48 import org.simantics.databoard.type.LongType;
49 import org.simantics.databoard.type.MapType;
50 import org.simantics.databoard.type.NumberType;
51 import org.simantics.databoard.type.OptionalType;
52 import org.simantics.databoard.type.RecordType;
53 import org.simantics.databoard.type.StringType;
54 import org.simantics.databoard.type.UnionType;
55 import org.simantics.databoard.type.VariantType;
56 import org.simantics.databoard.util.ObjectUtils;
57 import org.simantics.datatypes.literal.GUID;
58 import org.simantics.db.ChangeSetIdentifier;
59 import org.simantics.db.Operation;
60 import org.simantics.db.ReadGraph;
61 import org.simantics.db.RelationContext;
62 import org.simantics.db.Resource;
63 import org.simantics.db.Session;
64 import org.simantics.db.Statement;
65 import org.simantics.db.WriteGraph;
66 import org.simantics.db.WriteOnlyGraph;
67 import org.simantics.db.common.CommentMetadata;
68 import org.simantics.db.common.Indexing;
69 import org.simantics.db.common.StandardStatement;
70 import org.simantics.db.common.primitiverequest.PossibleRelatedValue;
71 import org.simantics.db.common.procedure.adapter.TransientCacheAsyncListener;
72 import org.simantics.db.common.request.DelayedWriteRequest;
73 import org.simantics.db.common.request.ObjectsWithType;
74 import org.simantics.db.common.request.PossibleChild;
75 import org.simantics.db.common.request.PossibleIndexRoot;
76 import org.simantics.db.common.utils.NameUtils;
77 import org.simantics.db.event.ChangeListener;
78 import org.simantics.db.exception.CancelTransactionException;
79 import org.simantics.db.exception.DatabaseException;
80 import org.simantics.db.exception.ServiceException;
81 import org.simantics.db.layer0.adapter.CopyHandler;
82 import org.simantics.db.layer0.adapter.CopyHandler2;
83 import org.simantics.db.layer0.adapter.GenericRelationIndex;
84 import org.simantics.db.layer0.adapter.PasteHandler;
85 import org.simantics.db.layer0.adapter.impl.DefaultPasteHandler;
86 import org.simantics.db.layer0.adapter.impl.TGRemover;
87 import org.simantics.db.layer0.genericrelation.IndexedRelations;
88 import org.simantics.db.layer0.internal.SimanticsInternal;
89 import org.simantics.db.layer0.migration.OntologiesFromLibrary;
90 import org.simantics.db.layer0.property.OrderedResource;
91 import org.simantics.db.layer0.request.GlobalOntologies;
92 import org.simantics.db.layer0.request.PossibleVariableIndexRoot;
93 import org.simantics.db.layer0.request.PropertyInfo;
94 import org.simantics.db.layer0.request.PropertyInfoRequest;
95 import org.simantics.db.layer0.util.SimanticsClipboard.Representation;
96 import org.simantics.db.layer0.variable.StandardGraphPropertyVariable;
97 import org.simantics.db.layer0.variable.Variable;
98 import org.simantics.db.service.ClusterCollectorPolicy;
99 import org.simantics.db.service.ClusterControl;
100 import org.simantics.db.service.ClusteringSupport;
101 import org.simantics.db.service.CollectionSupport;
102 import org.simantics.db.service.DebugSupport;
103 import org.simantics.db.service.GraphChangeListenerSupport;
104 import org.simantics.db.service.ManagementSupport;
105 import org.simantics.db.service.UndoRedoSupport;
106 import org.simantics.db.service.XSupport;
107 import org.simantics.graph.db.TransferableGraphSource;
108 import org.simantics.graph.db.TransferableGraphs;
109 import org.simantics.graph.diff.Diff;
110 import org.simantics.graph.diff.TransferableGraphDelta1;
111 import org.simantics.graph.refactoring.GraphRefactoringUtils;
112 import org.simantics.graph.representation.PrettyPrintTG;
113 import org.simantics.graph.representation.TransferableGraph1;
114 import org.simantics.layer0.Layer0;
115 import org.simantics.operation.Layer0X;
116 import org.simantics.scl.compiler.environment.Environments;
117 import org.simantics.scl.compiler.runtime.RuntimeEnvironment;
118 import org.simantics.scl.compiler.top.SCLExpressionCompilationException;
119 import org.simantics.scl.compiler.types.Type;
120 import org.simantics.scl.osgi.SCLOsgi;
121 import org.simantics.scl.runtime.function.Function;
122 import org.simantics.scl.runtime.function.Function1;
123 import org.simantics.scl.runtime.function.FunctionImpl1;
125 public class Layer0Utils {
127 @SuppressWarnings("rawtypes")
128 public static final ThreadLocal SCL_GRAPH = new ThreadLocal();
130 final public static Binding datatype_binging = Bindings.getBindingUnchecked(Datatype.class);
132 public static Resource literal(WriteGraph g, String value) throws DatabaseException {
133 Layer0 L0 = Layer0.getInstance(g);
134 Resource r = g.newResource();
135 g.claimValue(r, value, Bindings.STRING);
136 g.claim(r, L0.InstanceOf, L0.String);
140 public static Resource literal(WriteGraph g, double value) throws DatabaseException {
141 Layer0 L0 = Layer0.getInstance(g);
142 Resource r = g.newResource();
143 g.claimValue(r, value, Bindings.DOUBLE);
144 g.claim(r, L0.InstanceOf, L0.Double);
148 public static Resource literal(WriteGraph g, int value) throws DatabaseException {
149 Layer0 L0 = Layer0.getInstance(g);
150 Resource r = g.newResource();
151 g.claimValue(r, value, Bindings.INTEGER);
152 g.claim(r, L0.InstanceOf, L0.Integer);
156 public static void assert_(WriteGraph g, Resource type, Resource predicate, Resource object) throws DatabaseException {
157 Layer0 L0 = Layer0.getInstance(g);
158 Resource assertion = g.newResource();
159 g.claim(type, L0.Asserts, assertion);
160 g.claim(assertion, L0.InstanceOf, L0.Assertion);
161 g.claim(assertion, L0.HasPredicate, predicate);
162 g.claim(assertion, L0.HasObject, object);
165 public static Resource relation(WriteGraph g, Resource parent, String name, Resource superrelation) throws DatabaseException {
166 Layer0 L0 = Layer0.getInstance(g);
167 Resource relation = g.newResource();
168 g.claim(relation, L0.SubrelationOf, superrelation);
169 g.claim(relation, L0.HasName, literal(g, name));
170 g.claim(parent, L0.ConsistsOf, relation);
172 Resource superrelationInverse = g.getInverse(superrelation);
173 if(superrelationInverse != null) {
174 Resource inverse = g.newResource();
175 g.claim(inverse, L0.SubrelationOf, superrelationInverse);
176 g.claim(relation, L0.ConsistsOf, inverse);
177 g.claim(inverse, L0.HasName, literal(g, "Inverse"));
182 private static Resource getLiteralType(ReadGraph graph, Datatype type) throws DatabaseException {
183 Layer0 L0 = Layer0.getInstance(graph);
184 if(type instanceof DoubleType) return L0.Double;
185 else if(type instanceof StringType) return L0.String;
186 else if(type instanceof IntegerType) return L0.Integer;
187 else if(type instanceof LongType) return L0.Long;
188 else if(type instanceof FloatType) return L0.Float;
189 else if(type instanceof ByteType) return L0.Byte;
190 else if(type instanceof BooleanType) return L0.Boolean;
191 else if(type instanceof ArrayType) {
192 ArrayType at = (ArrayType)type;
193 if(at.componentType instanceof DoubleType) return L0.DoubleArray;
194 else if(at.componentType instanceof StringType) return L0.StringArray;
195 else if(at.componentType instanceof IntegerType) return L0.IntegerArray;
196 else if(at.componentType instanceof LongType) return L0.LongArray;
197 else if(at.componentType instanceof FloatType) return L0.FloatArray;
198 else if(at.componentType instanceof ByteType) return L0.ByteArray;
199 else if(at.componentType instanceof BooleanType) return L0.BooleanArray;
200 else if(at.componentType instanceof VariantType) return L0.VariantArray;
202 throw new DatabaseException("Unidentified literal type for datatype " + type);
205 private static Resource getPossibleLiteralType(ReadGraph graph, String type) throws DatabaseException {
207 Layer0 L0 = Layer0.getInstance(graph);
208 if("Double".equals(type)) return L0.Double;
209 else if("String".equals(type)) return L0.String;
210 else if("Integer".equals(type)) return L0.Integer;
211 else if("Long".equals(type)) return L0.Long;
212 else if("Float".equals(type)) return L0.Float;
213 else if("Byte".equals(type)) return L0.Byte;
214 else if("Boolean".equals(type)) return L0.Boolean;
215 else if("[Double]".equals(type)) return L0.DoubleArray;
216 else if("[String]".equals(type)) return L0.StringArray;
217 else if("[Integer]".equals(type)) return L0.IntegerArray;
218 else if("[Long]".equals(type)) return L0.LongArray;
219 else if("[Float]".equals(type)) return L0.FloatArray;
220 else if("[Byte]".equals(type)) return L0.ByteArray;
221 else if("[Boolean]".equals(type)) return L0.BooleanArray;
222 else if("[Variant]".equals(type)) return L0.VariantArray;
223 else if("Array Double".equals(type)) return L0.DoubleArray;
224 else if("Array String".equals(type)) return L0.StringArray;
225 else if("Array Integer".equals(type)) return L0.IntegerArray;
226 else if("Array Long".equals(type)) return L0.LongArray;
227 else if("Array Float".equals(type)) return L0.FloatArray;
228 else if("Array Byte".equals(type)) return L0.ByteArray;
229 else if("Array Boolean".equals(type)) return L0.BooleanArray;
230 else if("Array Variant".equals(type)) return L0.VariantArray;
231 else if("Vector Double".equals(type)) return L0.DoubleArray;
232 else if("Vector String".equals(type)) return L0.StringArray;
233 else if("Vector Integer".equals(type)) return L0.IntegerArray;
234 else if("Vector Long".equals(type)) return L0.LongArray;
235 else if("Vector Float".equals(type)) return L0.FloatArray;
236 else if("Vector Byte".equals(type)) return L0.ByteArray;
237 else if("Vector Boolean".equals(type)) return L0.BooleanArray;
238 else if("Vector Variant".equals(type)) return L0.VariantArray;
239 else if("Datatype".equals(type)) return L0.DataType;
240 else if("Variant".equals(type)) return L0.Variant;
244 public static Resource getPossibleLiteralType(ReadGraph graph, Variable variable) throws DatabaseException {
245 Resource predicate = variable.getPossiblePredicateResource(graph);
246 if(predicate == null) return null;
247 return getPossibleLiteralType(graph, predicate);
250 public static Resource getLiteralType(ReadGraph graph, Variable variable) throws DatabaseException {
251 Resource result = getPossibleLiteralType(graph, variable);
252 if(result == null) throw new DatabaseException("Unidentified literal type for variable " + variable.getURI(graph));
256 public static Resource getLiteralType(ReadGraph graph, Resource property) throws DatabaseException {
257 Resource result = getPossibleLiteralType(graph, property);
258 if(result == null) throw new DatabaseException("Unidentified literal type for property " + graph.getURI(property));
262 public static Resource getPossibleLiteralType(ReadGraph graph, Resource property) throws DatabaseException {
264 Layer0 L0 = Layer0.getInstance(graph);
265 Layer0X L0X = Layer0X.getInstance(graph);
267 Resource defaultLiteralType = graph.getPossibleObject(property, L0.HasDefaultLiteralType);
268 if(defaultLiteralType != null) return defaultLiteralType;
270 Resource range = graph.getPossibleObject(property, L0.HasRange);
271 if(range != null && !L0.Value.equals(range)) return range;
273 Datatype requiredDataType = graph.getPossibleRelatedValue(property, L0X.RequiresDataType, datatype_binging);
274 if(requiredDataType != null) return getLiteralType(graph, requiredDataType);
276 String requiredValueType = graph.getPossibleRelatedValue(property, L0.RequiresValueType, Bindings.STRING);
277 if(requiredValueType == null) return null;
279 return getPossibleLiteralType(graph, requiredValueType);
284 * @param type any data type definition
285 * @return SCL type that matches the specified data type on a basic level.
286 * Data type metadata is/cannot be converted into SCL types.
287 * @throws IllegalArgumentException
288 * if the input datatype can't be converted into an SCL type
290 public static String getSCLType(Datatype type) throws IllegalArgumentException {
291 return buildSCLType(type, null).toString();
295 * Only used internally by {@link #buildSCLType(Datatype, StringBuilder)}
299 * @see #buildSCLType(Datatype, StringBuilder)
301 private static StringBuilder append(StringBuilder toBuilder, String s) {
302 return toBuilder != null ? toBuilder.append(s) : new StringBuilder(s);
305 private static CharSequence append(CharSequence to, String s) {
306 if (to instanceof StringBuilder)
307 return ((StringBuilder) to).append(s);
308 return new StringBuilder(to.length() + s.length()).append(to).append(s);
311 private static CharSequence stringOrBuilder(StringBuilder toBuilder, String s) {
312 return toBuilder != null ? toBuilder.append(s) : s;
316 * @param type any data type definition
317 * @return SCL type that matches the specified data type on a basic level.
318 * Data type metadata is/cannot be converted into SCL types.
319 * @throws IllegalArgumentException
320 * if the input datatype can't be converted into an SCL type
322 private static CharSequence buildSCLType(Datatype type, StringBuilder result) throws IllegalArgumentException {
323 if(type instanceof DoubleType) return stringOrBuilder(result, "Double");
324 else if(type instanceof StringType) return stringOrBuilder(result, "String");
325 else if(type instanceof IntegerType) return stringOrBuilder(result, "Integer");
326 else if(type instanceof FloatType) return stringOrBuilder(result, "Float");
327 else if(type instanceof BooleanType) return stringOrBuilder(result, "Boolean");
328 else if(type instanceof ByteType) return stringOrBuilder(result, "Byte");
329 else if(type instanceof LongType) return stringOrBuilder(result, "Long");
330 else if(type instanceof VariantType) return stringOrBuilder(result, "Variant");
331 else if(type instanceof ArrayType) {
332 ArrayType at = (ArrayType) type;
333 // Optimization to prevent allocations in the most basic array cases
334 if(at.componentType instanceof DoubleType) return stringOrBuilder(result, "Vector Double");
335 else if(at.componentType instanceof StringType) return stringOrBuilder(result, "Vector String");
336 else if(at.componentType instanceof IntegerType) return stringOrBuilder(result, "Vector Integer");
337 else if(at.componentType instanceof FloatType) return stringOrBuilder(result, "Vector Float");
338 else if(at.componentType instanceof BooleanType) return stringOrBuilder(result, "Vector Boolean");
339 else if(at.componentType instanceof ByteType) return stringOrBuilder(result, "Vector Byte");
340 else if(at.componentType instanceof LongType) return stringOrBuilder(result, "Vector Long");
341 else if(at.componentType instanceof VariantType) return stringOrBuilder(result, "Vector Variant");
342 else return buildSCLType(at.componentType, append(result, "Vector "));
343 } else if(type instanceof OptionalType) {
344 OptionalType ot = (OptionalType) type;
345 return append(buildSCLType(ot.componentType, append(result, "Maybe (")), ")");
346 } else if (type instanceof RecordType) {
347 throw new IllegalArgumentException("Unable to convert datatype into SCL type: " + type);
348 } else if (type instanceof MapType) {
349 throw new IllegalArgumentException("Unable to convert datatype into SCL type: " + type);
350 } else if (type instanceof UnionType) {
351 throw new IllegalArgumentException("Unable to convert datatype into SCL type: " + type);
353 throw new IllegalArgumentException("Unable to convert datatype into SCL type: " + type);
357 public static Type getSCLType(ReadGraph graph, RuntimeEnvironment runtimeEnvironment, String typeText) throws DatabaseException {
359 return Environments.getType(runtimeEnvironment.getEnvironment(), typeText);
360 } catch (SCLExpressionCompilationException e) {
361 throw new DatabaseException(e);
365 public static Type getSCLType(ReadGraph graph, Variable property) throws DatabaseException {
367 RuntimeEnvironment runtimeEnvironment = graph.syncRequest(new RuntimeEnvironmentRequest(property.getIndexRoot(graph)));
368 return getSCLType(graph, runtimeEnvironment, getSCLTypeString(graph, property));
373 public static String getSCLTypeString(ReadGraph graph, Variable context) throws DatabaseException {
374 return getSCLTypeString(graph, context.getPossiblePredicateResource(graph), context.getRepresents(graph));
378 public static String getSCLTypeString(ReadGraph graph, Resource predicate, Resource value) throws DatabaseException {
380 if(predicate != null) {
381 String requiredValueTypes = graph.getPossibleRelatedValue(predicate, Layer0.getInstance(graph).RequiresValueType, Bindings.STRING);
382 if(requiredValueTypes != null)
383 return requiredValueTypes;
386 Layer0 L0 = Layer0.getInstance(graph);
387 Layer0X L0X = Layer0X.getInstance(graph);
389 Datatype literalDatatype = graph.getPossibleRelatedValue(value, L0.HasDataType, datatype_binging);
390 if(literalDatatype != null) return getSCLType(literalDatatype);
392 String literalValueType = graph.getPossibleRelatedValue(value, L0.HasValueType, Bindings.STRING);
393 if(literalValueType != null) return literalValueType;
395 if(predicate != null) {
397 Datatype requiredDataType = graph.getPossibleRelatedValue(predicate, L0X.RequiresDataType, datatype_binging);
398 if(requiredDataType != null) return getSCLType(requiredDataType);
400 throw new DatabaseException("Unidentified literal data type for property " + NameUtils.getURIOrSafeNameInternal(graph, predicate));
404 throw new DatabaseException("Unidentified literal data type");
408 public static Datatype getDatatype(ReadGraph graph, Variable variable) throws DatabaseException {
409 Datatype result = getPossibleDatatype(graph, variable);
410 if(result != null) return result;
411 throw new DatabaseException("Unidentified literal data type for property " + variable.getURI(graph));
414 public static Datatype getPossibleDatatype(ReadGraph graph, Variable variable) throws DatabaseException {
416 Layer0 L0 = Layer0.getInstance(graph);
417 Layer0X L0X = Layer0X.getInstance(graph);
419 Resource property = variable.getPossiblePredicateResource(graph);
420 if(property != null) {
421 // Datatype requiredDataType = graph.getPossibleRelatedValue(property, L0X.RequiresDataType, datatype_binging);
422 Datatype requiredDataType = graph.syncRequest(new PossibleRelatedValue<Datatype>(property, L0X.RequiresDataType, datatype_binging));
423 if(requiredDataType != null) return requiredDataType;
426 Resource literal = variable.getPossibleRepresents(graph);
427 if(literal != null) {
428 Datatype literalDatatype = graph.getPossibleRelatedValue2(literal, L0.HasDataType, new StandardGraphPropertyVariable(graph, variable, null, literal, L0.HasDataType), datatype_binging);
429 if(literalDatatype != null) return literalDatatype;
432 if(property != null) {
434 String requiredValueType = graph.getPossibleRelatedValue(property, L0.RequiresValueType, Bindings.STRING);
435 if(requiredValueType != null) {
436 Datatype datatype = getPossibleDatatypeForValueType(requiredValueType);
437 if(datatype != null) return datatype;
440 Resource subject = variable.getParent(graph).getPossibleRepresents(graph);
441 if(subject != null) {
442 Set<Resource> asses = new HashSet<Resource>();
443 for(Resource type : graph.getTypes(subject)) {
444 asses.addAll(graph.getAssertedObjects(type, property));
446 if(asses.size() == 1) {
447 Resource ass = asses.iterator().next();
448 Datatype dt = graph.getPossibleRelatedValue(ass, L0.HasDataType, Bindings.getBindingUnchecked(Datatype.class));
449 if(dt != null) return dt;
459 private static Datatype getPossibleDatatypeForValueType(String requiredValueType) throws DatabaseException {
461 String[] split = requiredValueType.split(" ");
462 String arrayType = null;
463 if(split.length == 2 && "Array".equals(split[0])) {
464 arrayType = split[1];
465 } else if(requiredValueType.startsWith("[") && requiredValueType.endsWith("]")) {
466 arrayType = requiredValueType.substring(1, requiredValueType.length()-1);
469 if(arrayType != null) {
470 Datatype arrayDataType = getArrayDataTypeForType(arrayType);
471 if(arrayDataType != null)
472 return arrayDataType;
475 Datatype dt = Datatypes.getDatatype(requiredValueType);
476 if(dt != null) return dt;
479 return Datatypes.translate(requiredValueType);
480 } catch (DataTypeSyntaxError e) {
487 private static Datatype getArrayDataTypeForType(String type) {
488 if("Double".equals(type)) return Datatypes.DOUBLE_ARRAY;
489 else if("String".equals(type)) return Datatypes.STRING_ARRAY;
490 else if("Integer".equals(type)) return Datatypes.INTEGER_ARRAY;
491 else if("Long".equals(type)) return Datatypes.LONG_ARRAY;
492 else if("Float".equals(type)) return Datatypes.FLOAT_ARRAY;
493 else if("Byte".equals(type)) return Datatypes.BYTE_ARRAY;
494 else if("Boolean".equals(type)) return Datatypes.BOOLEAN_ARRAY;
495 else if("Variant".equals(type)) return Datatypes.VARIANT_ARRAY;
499 public static Binding getDefaultBinding(ReadGraph graph, Variable variable) throws DatabaseException {
501 Resource property = variable.getPossiblePredicateResource(graph);
502 if(property != null) {
503 PropertyInfo info = graph.syncRequest(new PropertyInfoRequest(property), TransientCacheAsyncListener.<PropertyInfo>instance());
504 if(info.defaultBinding != null) return info.defaultBinding;
507 Datatype type = getDatatype(graph, variable);
509 throw new DatabaseException("No datatype available for variable " + variable.getURI(graph));
510 return Bindings.getBinding(type);
514 public static Binding getPossibleDefaultBinding(ReadGraph graph, Variable variable) throws DatabaseException {
516 Resource property = variable.getPossiblePredicateResource(graph);
517 if(property != null) {
518 PropertyInfo info = graph.syncRequest(new PropertyInfoRequest(property), TransientCacheAsyncListener.<PropertyInfo>instance());
519 if(info.defaultBinding != null) return info.defaultBinding;
522 Datatype type = getPossibleDatatype(graph, variable);
523 if (type == null) return null;
525 return Bindings.getBinding(type);
529 public static String getPossibleUnit(Datatype dt) {
532 else if (dt instanceof NumberType) {
533 return ((NumberType) dt).getUnit();
534 } else if (dt instanceof ArrayType) {
535 ArrayType at = (ArrayType) dt;
536 Datatype cdt = at.componentType();
537 if (cdt instanceof NumberType) {
538 return ((NumberType) cdt).getUnit();
545 public static String getUnit(ReadGraph graph, Variable variable) throws DatabaseException {
547 Layer0 L0 = Layer0.getInstance(graph);
548 Layer0X L0X = Layer0X.getInstance(graph);
550 Resource literal = variable.getPossibleRepresents(graph);
554 Datatype literalDatatype = graph.getPossibleRelatedValue2(literal, L0.HasDataType, new StandardGraphPropertyVariable(graph, variable, null, literal, L0.HasDataType), datatype_binging);
555 if(literalDatatype != null) {
556 String unit = getPossibleUnit(literalDatatype);
557 if(unit != null) return unit;
560 Resource property = variable.getPossiblePredicateResource(graph);
561 if(property != null) {
563 Datatype requiredDataType = graph.getPossibleRelatedValue(property, L0X.RequiresDataType, datatype_binging);
564 if(requiredDataType != null) {
565 String unit = getPossibleUnit(requiredDataType);
566 if(unit != null) return unit;
575 public static void claimAdaptedValue(WriteGraph graph, Resource objectResource, Object value, Binding binding, Datatype targetDatatype) throws DatabaseException {
579 Datatype sourceDatatype = binding.type();
580 if(sourceDatatype.equals(targetDatatype)) {
581 graph.claimValue(objectResource, value, binding);
583 Binding target = Bindings.getBinding(targetDatatype);
584 Adapter adapter = Bindings.getTypeAdapter(binding, target);
585 graph.claimValue(objectResource, adapter.adapt(value), target);
588 } catch (AdapterConstructionException e) {
589 throw new DatabaseException(e);
590 } catch (AdaptException e) {
591 throw new DatabaseException(e);
596 public static String toString(Object value, Binding binding) throws DatabaseException {
598 if(value instanceof String) return (String)value;
599 StringBuilder sb = new StringBuilder();
600 DataValueRepository rep = new DataValueRepository();
601 binding.printValue(value, sb, rep, false);
602 return sb.toString();
603 } catch (BindingException e) {
604 throw new DatabaseException(e);
605 } catch (IOException e) {
606 throw new DatabaseException(e);
610 public static Object parseValue(String text, Binding binding) throws DatabaseException {
612 if(binding.isInstance(text)) return text;
613 DataValueRepository rep = new DataValueRepository();
614 return binding.parseValue(text, rep);
615 } catch (BindingException e) {
616 throw new DatabaseException(e);
617 } catch (DataTypeSyntaxError e) {
618 throw new DatabaseException(e);
622 @SuppressWarnings("unchecked")
623 public static <T> T getValueAdaptedToBinding(ReadGraph graph, Resource literal, Binding targetBinding) throws DatabaseException {
624 Datatype sourceDatatype = graph.getDataType(literal);
625 Datatype targetDatatype = targetBinding.type();
626 if (sourceDatatype.equals(targetDatatype))
627 return graph.getValue(literal, targetBinding);
629 Binding sourceBinding = Bindings.getBinding(sourceDatatype);
631 Adapter adapter = Bindings.adapterFactory.getAdapter(Bindings.getBinding(sourceDatatype), targetBinding, true, false);
632 Object value = graph.getValue(literal, sourceBinding);
633 return (T) adapter.adaptUnchecked(value);
634 } catch (AdapterConstructionException e) {
635 throw new DatabaseException(e);
639 public static Statement getStatementInLocal(Resource subject, Statement statement) {
640 if(statement.isAsserted(subject)) return new StandardStatement(subject, statement.getPredicate(), statement.getObject());
641 else return statement;
644 public static Resource browsePossible(ReadGraph graph, Resource root, String suffix) throws DatabaseException {
645 return graph.getPossibleResource(graph.getURI(root) + suffix);
648 public static Resource getPossibleChild(ReadGraph graph, Resource resource, String name) throws DatabaseException {
649 return graph.sync(new PossibleChild(resource, name));
652 public static Resource getPossibleChild(ReadGraph graph, Resource resource, Resource type, String name) throws DatabaseException {
653 Resource child = graph.sync(new PossibleChild(resource, name));
654 if(child == null) return null;
655 if(!graph.isInstanceOf(child, type)) return null;
659 public static RelationContext relationContext(ReadGraph graph, Resource subject, Resource predicate) throws DatabaseException {
660 Statement stm = graph.getSingleStatement(subject, predicate);
661 return new RelationContextImpl(subject, stm);
664 public static RelationContext relationContext(Statement stm) throws DatabaseException {
665 return new RelationContextImpl(stm.getSubject(), stm);
668 public static <T> T valueInRelationContext(ReadGraph graph, Resource subject, Statement stm) throws DatabaseException {
669 return graph.getValue2(subject, Layer0Utils.relationContext(stm));
672 public static <T> T valueInRelationContext(ReadGraph graph, Resource subject, Statement stm, Binding binding) throws DatabaseException {
673 return graph.getValue2(subject, Layer0Utils.relationContext(stm), binding);
676 public static <T> T relatedValueInRelationContext(ReadGraph graph, Resource subject, Resource relation) throws DatabaseException {
677 Statement stm = getStatementInLocal(subject, graph.getSingleStatement(subject, relation));
678 return valueInRelationContext(graph, stm.getObject(), stm);
681 public static <T> T relatedValueInRelationContext(ReadGraph graph, Resource subject, Resource relation, Binding binding) throws DatabaseException {
682 Statement stm = getStatementInLocal(subject, graph.getSingleStatement(subject, relation));
683 return valueInRelationContext(graph, stm.getObject(), stm, binding);
686 public static Statement possibleObtainedStatementInternal(ReadGraph graph, Resource subject, Resource relation) throws DatabaseException {
688 Layer0X L0X = Layer0X.getInstance(graph);
690 for(Resource ob : graph.getObjects(subject, L0X.DefinesObtainedStatement)) {
691 Resource pred = graph.getSingleObject(ob, L0X.ObtainedStatement_predicate);
692 if(graph.isSubrelationOf(pred, relation)) {
693 Resource object = graph.getSingleObject(ob, L0X.ObtainedStatement_object);
694 return new StandardStatement(subject, pred, object);
698 ArrayList<OrderedResource> order = new ArrayList<OrderedResource>();
699 for(Statement stm : graph.getStatements(subject, L0X.ObtainsProperty)) {
700 Integer position = graph.getRelatedValue(stm.getPredicate(), L0X.NaturalNumberOrderRelation, Bindings.INTEGER);
701 order.add(new OrderedResource(position, stm.getObject()));
704 for(OrderedResource or : order) {
705 Statement stm = possibleObtainedStatementInternal(graph, or.r, relation);
706 if(stm != null) return stm;
713 public static <T> T possibleObtainedValue(ReadGraph graph, RelationContext ctx, Binding binding) throws DatabaseException {
715 Statement stm = ctx.getStatement();
716 Statement obj = Layer0Utils.possibleObtainedStatementInternal(graph, stm.getSubject(), stm.getPredicate());
719 return Layer0Utils.valueInRelationContext(graph, obj.getObject(), obj, binding);
726 public static void addObtainedStatement(WriteGraph graph, Resource subject, Resource predicate, Resource object) throws DatabaseException {
727 Layer0 L0 = Layer0.getInstance(graph);
728 Layer0X L0X = Layer0X.getInstance(graph);
729 Resource ob = graph.newResource();
730 graph.claim(ob, L0.InstanceOf, null, L0X.ObtainedStatement);
731 graph.claim(ob, L0X.ObtainedStatement_predicate, null, predicate);
732 graph.claim(ob, L0X.ObtainedStatement_object, null, object);
733 graph.claim(subject, L0X.DefinesObtainedStatement, null, ob);
736 public static void addObtainedValue(WriteGraph graph, Resource subject, Resource predicate, Resource type, Object value, Binding binding) throws DatabaseException {
737 Layer0 L0 = Layer0.getInstance(graph);
738 Resource object = graph.newResource();
739 graph.claim(object, L0.InstanceOf, type);
740 graph.claimValue(object, value, binding);
741 Layer0Utils.addObtainedStatement(graph, subject, predicate, object);
744 //-------------------------------------------------------------------------
745 // Indexing state query utilities idle handling utilities
746 //-------------------------------------------------------------------------
749 * This method waits until the indexing engine becomes idle.
752 public static void waitIndexPending() {
753 Indexing.waitIndexPending();
757 * @param graph an active database write handle to prove one is in a write
758 * transaction and wants to disable dependencies indexing for this
760 * @return previous value
763 public static boolean setDependenciesIndexingDisabled(WriteOnlyGraph graph, boolean disabled) {
764 return Indexing.setDependenciesIndexingDisabled(graph, disabled);
767 public static String undo() throws DatabaseException {
769 Session session = SimanticsInternal.getSession();
771 UndoRedoSupport support = session.getService(UndoRedoSupport.class);
773 List<Operation> ops = support.undoAndReturnOperations(session, 1);
775 return "Undo history is empty.";
777 Operation mainOperation = ops.get(0);
779 long csId = mainOperation.getCSId();
781 ManagementSupport management = session.getService(ManagementSupport.class);
782 Collection<ChangeSetIdentifier> ids = management.getChangeSetIdentifiers(csId, csId);
784 return "Undo reverted " + ids.size() + " change sets.";
788 public static String undoOperations(int amountOfOperations) throws DatabaseException {
790 Session session = SimanticsInternal.getSession();
792 UndoRedoSupport support = session.getService(UndoRedoSupport.class);
794 List<Operation> ops = support.undoAndReturnOperations(session, amountOfOperations);
796 return "Undo history is empty.";
798 Operation mainOperation = ops.get(0);
800 long csId = mainOperation.getCSId();
802 ManagementSupport management = session.getService(ManagementSupport.class);
803 Collection<ChangeSetIdentifier> ids = management.getChangeSetIdentifiers(csId, csId);
805 return "Undo reverted " + ids.size() + " change sets.";
809 public static String redo() throws DatabaseException {
811 Session session = SimanticsInternal.getSession();
813 UndoRedoSupport support = session.getService(UndoRedoSupport.class);
815 List<Operation> ops = support.redo(session, 1);
817 return "Redo history is empty.";
819 Operation mainOperation = ops.get(0);
821 long csId = mainOperation.getCSId();
823 ManagementSupport management = session.getService(ManagementSupport.class);
824 Collection<ChangeSetIdentifier> ids = management.getChangeSetIdentifiers(csId, csId);
826 return "Redo redid " + ids.size() + " change sets.";
830 public static String getComment(Session session, ChangeSetIdentifier id) {
831 byte[] data = id.getMetadata().get(CommentMetadata.class.getName());
833 return "Undescribed operation.";
834 String comment = CommentMetadata.deserialise(session, data).toString().trim();
835 if(comment.isEmpty())
836 return "Undescribed operation.";
841 * This method adds CommentMetadata for write transaction. CommentMetadata is used e.g. in Undo view.
846 * @throws ServiceException
848 public static void addCommentMetadata(WriteOnlyGraph graph, String string) throws ServiceException {
849 // Add a comment to metadata.
850 CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
851 graph.addMetadata(cm.add(ObjectUtils.toString(string)));
854 //-------------------------------------------------------------------------
857 * Copy the specified source resource into the specified container using the
858 * specified write transaction handle.
860 * @param graph write transaction handle
861 * @param targetContainer target container resource of the created copy. The
862 * exact logic of how the copy will be contained by the target
863 * container is up to the PasteHandler to decide
864 * @param source the source resource to copy
865 * @throws DatabaseException
868 public static Collection<Resource> copyTo(WriteGraph graph, Resource targetContainer, Resource source) throws DatabaseException {
869 return copyTo(graph, targetContainer, source, null, null, null);
872 public static Collection<Resource> copyTo(WriteGraph graph, Resource targetContainer, Resource source, PasteEventHandler handler) throws DatabaseException {
873 return copyTo(graph, targetContainer, source, handler, null, null);
876 public static Collection<Resource> copyTo(WriteGraph graph, Resource targetContainer, Resource source, PasteEventHandler handler, CopyHandler copyHandler, PasteHandler pasteHandler) throws DatabaseException {
877 if(copyHandler == null) copyHandler = graph.adapt(source, CopyHandler.class);
878 return copyTo(graph, targetContainer, handler, copyHandler, pasteHandler);
881 public static Collection<Resource> copyTo(WriteGraph graph, Resource targetContainer, PasteEventHandler handler, CopyHandler copyHandler, PasteHandler pasteHandler) throws DatabaseException {
882 SimanticsClipboardImpl clipboard = new SimanticsClipboardImpl();
883 copyHandler.copyToClipboard(graph, clipboard);
884 if(targetContainer != null) {
885 if(pasteHandler == null) pasteHandler = graph.adapt(targetContainer, PasteHandler.class);
886 return pasteHandler.pasteFromClipboard(graph, clipboard, handler);
888 DefaultPasteHandler ph = new DefaultPasteHandler(null);
889 return ph.pasteFromClipboard(graph, clipboard, handler);
893 public static CopyHandler2 getPossibleCopyHandler(ReadGraph graph, Collection<Resource> rs) throws DatabaseException {
894 CopyHandler2 ch = null;
895 for(Resource r : rs) {
897 CopyHandler ch2_ = graph.adapt(r, CopyHandler.class);
898 if(ch2_ instanceof CopyHandler2) {
899 ch = (CopyHandler2)ch2_;
902 CopyHandler ch2_ = graph.adapt(r, CopyHandler.class);
903 if(ch2_ instanceof CopyHandler2) {
904 CopyHandler2 ch2 = (CopyHandler2)ch2_;
905 ch = ch.combine(ch2);
912 public static ClusterCollectorPolicy setClusterCollectorPolicy(ClusterCollectorPolicy policy) {
913 Session session = SimanticsInternal.getSession();
914 ClusterControl cc = session.getService(ClusterControl.class);
915 return cc.setPolicy(policy);
918 private static String decodeType(ReadGraph graph, Variable variable) throws DatabaseException {
919 Datatype dt = getDatatype(graph, variable);
920 return dt.toSingleLineString();
923 private static boolean isAsserted(ReadGraph graph, Resource subject, Resource predicate) throws DatabaseException {
924 Statement stm = graph.getPossibleStatement(subject, predicate);
925 return stm != null && stm.isAsserted(subject);
928 public static void setExpression(WriteGraph graph, Variable context, String text, Resource expressionValueType) throws DatabaseException {
930 Resource value = context.getRepresents(graph);
931 Resource predicateResource = context.getPredicateResource(graph);
932 Variable parent = context.getParent(graph);
933 Resource parentResource = parent.getRepresents(graph);
934 setExpression(graph, parentResource, predicateResource, value, text, expressionValueType);
938 public static void setExpression(WriteGraph graph, Resource parentResource, Resource predicateResource, Resource value, String text, Resource expressionValueType) throws DatabaseException {
940 Layer0 L0 = Layer0.getInstance(graph);
941 boolean hasExpression = graph.isInstanceOf(value, expressionValueType);
942 String t = getSCLTypeString(graph, predicateResource, value);
943 String expression = text.substring(1).trim();
944 if(isAsserted(graph, parentResource, predicateResource)) {
945 Resource newValue = graph.newResource();
946 graph.claim(newValue, L0.InstanceOf, expressionValueType);
947 graph.claimLiteral(newValue, L0.HasValueType, t, Bindings.STRING);
948 graph.claimLiteral(newValue, L0.SCLValue_expression, expression, Bindings.STRING);
949 graph.claim(parentResource, predicateResource, newValue);
952 graph.claimLiteral(value, L0.SCLValue_expression, expression, Bindings.STRING);
954 Resource newValue = graph.newResource();
955 graph.claim(newValue, L0.InstanceOf, expressionValueType);
956 graph.claimLiteral(newValue, L0.HasValueType, t, Bindings.STRING);
957 graph.claimLiteral(newValue, L0.SCLValue_expression, expression, Bindings.STRING);
958 graph.deny(parentResource, predicateResource);
959 graph.claim(parentResource, predicateResource, newValue);
965 public static void clearExpression(WriteGraph graph, Variable property, Resource expressionValueType) throws DatabaseException {
967 Resource object = property.getPossibleRepresents(graph);
969 boolean hasExpression = graph.isInstanceOf(object, expressionValueType);
971 // There was an expression and now we go back to a value
972 Resource subject = property.getParent(graph).getPossibleRepresents(graph);
973 if(subject != null) {
974 Resource predicate = property.getPossiblePredicateResource(graph);
975 if(predicate != null) {
976 graph.deny(subject, predicate, object);
977 RemoverUtil.remove(graph, object);
985 public static boolean setOrClearExpression(WriteGraph graph, Variable property, String text, Resource expressionValueType) throws DatabaseException {
987 if(text.startsWith("=")) {
988 setExpression(graph, property, text, expressionValueType);
992 clearExpression(graph, property, expressionValueType);
998 public static void setValueAsString(WriteGraph graph, Variable property, String text, Resource expressionValueType) throws DatabaseException {
1002 if (setOrClearExpression(graph, property, text, expressionValueType))
1005 Object value = text;
1006 Datatype type = property.getPossibleDatatype(graph);
1009 Binding binding = Bindings.getBinding(type);
1011 if (binding instanceof StringBinding) {
1013 if (binding instanceof MutableStringBinding)
1014 value = new MutableString(text);
1020 if (binding instanceof NumberBinding) {
1021 text = text.replace(",", ".");
1024 value = binding.parseValue(text, new DataValueRepository());
1028 property.setValue(graph, value, binding);
1032 property.setValue(graph, value);
1036 // Add a comment to metadata.
1037 CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
1038 graph.addMetadata(cm.add("Set value " + ObjectUtils.toString(value)));
1040 } catch (DataTypeSyntaxError e) {
1041 throw new DatabaseException(e);
1042 } catch (BindingException e) {
1043 throw new DatabaseException(e);
1049 public static String queryDebugSupport(String query) {
1050 Session session = SimanticsInternal.getSession();
1051 DebugSupport ds = session.getService(DebugSupport.class);
1052 return ds.query(session, "exec " + query);
1055 public static String queryListSupport (String query) {
1056 Session session = SimanticsInternal.getSession();
1057 DebugSupport ds = session.getService(DebugSupport.class);
1058 return ds.query(session, "list " + query);
1061 final public static Function1<Resource,Resource> resourceCluster = new FunctionImpl1<Resource, Resource>() {
1063 public Resource apply(Resource p0) {
1068 public static void sort(ReadGraph graph, List<Resource> collection) {
1069 CollectionSupport cos = graph.getService(CollectionSupport.class);
1070 cos.sort(collection);
1073 public static List<Resource> sortByCluster(ReadGraph graph, Collection<Resource> collection) {
1074 CollectionSupport cos = graph.getService(CollectionSupport.class);
1075 return cos.asSortedList(collection);
1078 public static List<Object> sortByCluster(final ReadGraph graph, List<Object> list, final Function1<Object,Resource> fn) {
1079 final ClusteringSupport cs = graph.getService(ClusteringSupport.class);
1080 ArrayList<Object> result = new ArrayList<Object>(list);
1081 Collections.sort(result, new Comparator<Object>() {
1084 public int compare(Object o1, Object o2) {
1085 Resource r1 = fn.apply(o1);
1086 Resource r2 = fn.apply(o2);
1087 long l1 = cs.getCluster(r1);
1088 long l2 = cs.getCluster(r2);
1089 if(l1 < l2) return -1;
1090 else if (l1 > l2) return 1;
1098 public static <T> List<T> sortByClusterT(final ReadGraph graph, Collection<T> list, final Function1<T,Resource> fn) {
1099 final ClusteringSupport cs = graph.getService(ClusteringSupport.class);
1100 ArrayList<T> result = new ArrayList<T>(list);
1101 Collections.sort(result, new Comparator<Object>() {
1104 public int compare(Object o1, Object o2) {
1105 Resource r1 = fn.apply((T)o1);
1106 Resource r2 = fn.apply((T)o2);
1107 long l1 = cs.getCluster(r1);
1108 long l2 = cs.getCluster(r2);
1109 if(l1 < l2) return -1;
1110 else if (l1 > l2) return 1;
1118 public static void makeSynchronous(ReadGraph graph, boolean value) throws DatabaseException {
1119 graph.setSynchronous(value);
1122 public static Set<Resource> listIndexRoots(ReadGraph graph) throws DatabaseException {
1124 Layer0 L0 = Layer0.getInstance(graph);
1126 Set<Resource> indexRoots = new TreeSet<Resource>();
1127 indexRoots.addAll(Layer0Utils.listOntologies(graph));
1128 indexRoots.addAll(graph.syncRequest(new ObjectsWithType(SimanticsInternal.getProject(), L0.ConsistsOf, L0.IndexRoot)));
1133 public static List<Resource> listOntologies(ReadGraph graph) throws DatabaseException {
1134 return graph.syncRequest(new OntologiesFromLibrary(graph.getRootLibrary()));
1137 public static List<Resource> listGlobalOntologies(ReadGraph graph) throws DatabaseException {
1138 return graph.syncRequest(new GlobalOntologies(graph.getRootLibrary()));
1141 public static <T> T applySCL(String module, String function, ReadGraph graph, Object ... args) throws DatabaseException {
1144 SCL_GRAPH.set(graph);
1145 T t = (T)((Function)SCLOsgi.MODULE_REPOSITORY.getValue(module + "/" + function)).applyArray(args);
1146 SCL_GRAPH.set(null);
1148 } catch (Throwable t) {
1149 throw new DatabaseException(t);
1154 public static boolean isContainerPublished(ReadGraph graph, Variable variable) throws DatabaseException {
1156 Resource indexRoot = graph.syncRequest(new PossibleVariableIndexRoot(variable));
1157 if(indexRoot == null) return false;
1158 if(variable.equals(indexRoot)) return false;
1159 return isPublished(graph, indexRoot);
1163 public static boolean isContainerPublished(ReadGraph graph, Resource resource) throws DatabaseException {
1165 Resource indexRoot = graph.syncRequest(new PossibleIndexRoot(resource));
1166 if(indexRoot == null) return false;
1167 if(resource.equals(indexRoot)) return false;
1168 return isPublished(graph, indexRoot);
1172 public static boolean isPublished(ReadGraph graph, Resource resource) throws DatabaseException {
1174 Layer0 L0 = Layer0.getInstance(graph);
1175 Boolean value = graph.getPossibleRelatedValue(resource, L0.Entity_published, Bindings.BOOLEAN);
1176 if(value != null && value) return true;
1178 // This is safety - root should not be published it child is not
1179 Resource root = graph.syncRequest(new PossibleIndexRoot(resource));
1181 value = graph.getPossibleRelatedValue(root, L0.Entity_published, Bindings.BOOLEAN);
1182 if(value != null && value) return true;
1189 private static TransferableGraph1 makeTG(ReadGraph graph, Resource r) throws DatabaseException {
1191 SimanticsClipboardImpl cp = new SimanticsClipboardImpl();
1192 CopyHandler c1 = graph.adapt(r, CopyHandler.class);
1193 c1.copyToClipboard(graph, cp);
1194 Collection<Set<Representation>> reps = cp.getContents();
1195 if(reps.size() != 1) return null;
1196 return ClipboardUtils.accept(graph, reps.iterator().next(), SimanticsKeys.KEY_TRANSFERABLE_GRAPH);
1200 public static TransferableGraphSource makeTGSource(ReadGraph graph, Resource r) throws DatabaseException {
1202 SimanticsClipboardImpl cp = new SimanticsClipboardImpl();
1203 CopyHandler c1 = graph.adapt(r, CopyHandler.class);
1204 c1.copyToClipboard(graph, cp);
1205 Collection<Set<Representation>> reps = cp.getContents();
1206 if(reps.size() != 1) return null;
1207 return ClipboardUtils.accept(graph, reps.iterator().next(), SimanticsKeys.KEY_TRANSFERABLE_GRAPH_SOURCE);
1212 * Modifies target to resemble source.
1214 public static boolean merge(WriteGraph graph, Resource source, Resource target) throws DatabaseException {
1216 TransferableGraphSource tgs1 = makeTGSource(graph, target);
1217 TransferableGraph1 tg1 = TransferableGraphs.create(graph, tgs1);
1218 TransferableGraph1 tg2 = makeTG(graph, source);
1220 GraphRefactoringUtils.fixIncorrectRoot(tg1.identities);
1221 GraphRefactoringUtils.fixIncorrectRoot(tg2.identities);
1223 ModelTransferableGraphSource mtgs = (ModelTransferableGraphSource)tgs1;
1225 Diff diff = new Diff(tg1, tg2);
1226 TransferableGraphDelta1 delta = diff.diff();
1228 long[] oldResources = mtgs.getResourceArray(graph);
1229 if(TransferableGraphs.hasChanges(graph, oldResources, delta)) {
1230 TransferableGraphs.applyDelta(graph, mtgs.getResourceArray(graph), delta);
1238 public static Resource inferLiteralTypeFromString(ReadGraph graph, String text) {
1239 return Layer0.getInstance(graph).String;
1242 public static void emptyTrashBin() throws ServiceException {
1243 emptyTrashBin(new NullProgressMonitor());
1246 public static void emptyTrashBin(IProgressMonitor monitor) throws ServiceException {
1247 emptyTrashBin(monitor, SimanticsInternal.getSession(), SimanticsInternal.getProject());
1250 public static void emptyTrashBin(final IProgressMonitor monitor, Session session, final Resource project) throws ServiceException {
1251 final SubMonitor mon = SubMonitor.convert(monitor, "Emptying Trash Bin...", 10000);
1253 session.syncRequest(new DelayedWriteRequest() {
1255 public void perform(WriteGraph graph) throws DatabaseException {
1256 Layer0Utils.setDependenciesIndexingDisabled(graph, true);
1257 Layer0 L0 = Layer0.getInstance(graph);
1258 Layer0X L0X = Layer0X.getInstance(graph);
1259 Resource parent = graph.getSingleObject(project, L0.PartOf);
1260 Resource trashBin = Layer0Utils.getPossibleChild(graph, parent, "TrashBin");
1261 Collection<Resource> trashes = trashBin != null
1262 ? graph.getObjects(trashBin, L0.ConsistsOf)
1263 : Collections.<Resource>emptyList();
1264 if (trashes.isEmpty())
1265 throw new CancelTransactionException();
1266 mon.setWorkRemaining((2 + trashes.size()) * 1000);
1267 for(Resource trash : trashes) {
1268 if (mon.isCanceled())
1269 throw new CancelTransactionException();
1270 mon.subTask(NameUtils.getSafeName(graph, trash));
1271 TGRemover remo = new TGRemover(mon.newChild(1000, SubMonitor.SUPPRESS_ALL_LABELS), trash);
1273 if(graph.isInstanceOf(trash, L0.IndexRoot)) {
1274 // TODO: this should be an utility
1275 GenericRelationIndex index = graph.adapt(L0X.DependenciesRelation, GenericRelationIndex.class);
1276 IndexedRelations ir = graph.getService(IndexedRelations.class);
1277 // Deletes index files
1278 ir.reset(null, graph, L0X.DependenciesRelation, trash);
1279 // Notifies DB listeners
1280 index.reset(graph, trash);
1283 if (mon.isCanceled())
1284 throw new CancelTransactionException();
1285 mon.subTask("Committing Changes");
1289 if (mon.isCanceled())
1291 mon.subTask("Purging Database");
1293 purgeDatabase(monitor, session);
1294 } catch (CancelTransactionException e) {
1296 } catch (DatabaseException e) {
1297 throw new ServiceException(e);
1301 public static void purgeDatabase() throws ServiceException {
1302 purgeDatabase(new NullProgressMonitor());
1305 public static void purgeDatabase(final IProgressMonitor monitor) throws ServiceException {
1306 purgeDatabase(monitor, SimanticsInternal.getSession());
1309 public static void purgeDatabase(final IProgressMonitor monitor, Session session) throws ServiceException {
1311 XSupport xs = session.getService(XSupport.class);
1313 } catch (DatabaseException e) {
1314 throw new ServiceException(e);
1318 public static Resource getSingleDomainOf(ReadGraph graph, Resource type, Resource target) throws DatabaseException {
1319 Resource result = null;
1320 for(Resource candidate : getDomainOf(graph, type).values()) {
1321 if(graph.isInstanceOf(candidate, target)) {
1322 if(result != null) throw new DatabaseException("Multiple relations found for target " + graph.getURI(target) + " in type " + graph.getURI(type));
1323 else result = candidate;
1326 if(result == null) throw new DatabaseException("Multiple relations found for target " + graph.getURI(target) + " in type " + graph.getURI(type));
1330 public static Map<String, Resource> getDomainOf(ReadGraph graph, Resource type) throws DatabaseException {
1331 CollectionSupport cs = graph.getService(CollectionSupport.class);
1332 Map<String, Resource> result = cs.createObjectResourceMap(String.class);
1333 Layer0 L0 = Layer0.getInstance(graph);
1334 for(Resource r : graph.getObjects(type, L0.DomainOf)) {
1335 String name = graph.getPossibleRelatedValue(r, L0.HasName, Bindings.STRING);
1336 if(name != null) result.put(name, r);
1338 for(Resource t : graph.getSupertypes(type)) {
1339 for(Resource r : graph.getObjects(t, L0.DomainOf)) {
1340 String name = graph.getPossibleRelatedValue(r, L0.HasName, Bindings.STRING);
1341 if(name != null) result.put(name, r);
1347 public static Resource getPossiblePredicateByNameFromType(ReadGraph graph, Resource type, String name) throws DatabaseException {
1348 Map<String,Resource> domain = getDomainOf(graph, type);
1349 return domain.get(name);
1352 public static Resource getPossiblePredicateByName(ReadGraph graph, Resource instance, String predicateName) throws DatabaseException {
1353 for(Resource type : graph.getPrincipalTypes(instance)) {
1354 Map<String, Resource> domainOf = getDomainOf(graph, type);
1355 Resource predicate = domainOf.get(predicateName);
1356 if(predicate != null) return predicate;
1361 public static Resource getPossiblePredicateByLabel(ReadGraph graph, Resource instance, String predicateName) throws DatabaseException {
1362 Layer0 L0 = Layer0.getInstance(graph);
1363 for(Resource type : graph.getPrincipalTypes(instance)) {
1364 Map<String, Resource> domainOf = getDomainOf(graph, type);
1365 for(Resource r : domainOf.values()) {
1366 String label = graph.getPossibleRelatedValue(r, L0.HasLabel, Bindings.STRING);
1367 if(predicateName.equals(label))
1374 public static void claimLiteralDataboard(WriteGraph graph, Resource container, Resource property, String valueText) throws DatabaseException {
1377 PropertyInfo pi = graph.syncRequest(new PropertyInfoRequest(property));
1378 if(pi.literalRange == null) throw new DatabaseException("No suitable literal type defined as range for property.");
1379 if(pi.defaultBinding == null) throw new DatabaseException("No suitable default binding for property.");
1380 Object value = pi.defaultBinding.parseValue(valueText, new DataValueRepository());
1381 graph.claimLiteral(container, property, pi.literalRange, value, pi.defaultBinding);
1382 } catch (DataTypeSyntaxError e) {
1383 throw new DatabaseException(e);
1384 } catch (BindingException e) {
1385 throw new DatabaseException(e);
1390 public static String prettyPrintResource(ReadGraph graph, Resource resource, boolean ignoreIdentifiers) throws Exception {
1391 TransferableGraphSource source = makeTGSource(graph, resource);
1392 TransferableGraph1 tg = TransferableGraphs.create(graph, source);
1393 GraphRefactoringUtils.fixOntologyExport(tg);
1394 System.out.println("Printing resoure " + graph.getURI(resource));
1395 return PrettyPrintTG.print(tg, ignoreIdentifiers);
1399 * Adds a random {@link GUID} as a value for <code>L0.identifier</code>
1403 * for which the identifier is added
1405 * <code>true</code> to invoke addLiteral, <code>false</code> to
1406 * invoke claimLiteral
1407 * @throws DatabaseException
1409 public static void claimNewIdentifier(WriteGraph graph, Resource component, boolean add) throws DatabaseException {
1410 Layer0 L0 = Layer0.getInstance(graph);
1411 GUID guid = GUID.random();
1413 graph.addLiteral(component, L0.identifier, L0.identifier_Inverse, L0.GUID, guid, GUID.BINDING);
1415 graph.claimLiteral(component, L0.identifier, L0.identifier_Inverse, L0.GUID, guid, GUID.BINDING);
1419 * Sets a new random unique identifier for the specified entity if it already
1420 * has an identifier. If the entity does not have a previous identifier, nothing
1425 * for which the identifier is added
1426 * @return <code>true</code> if the identifier was renewed, <code>false</code>
1428 * @throws DatabaseException
1429 * @see {@link #claimNewIdentifier(WriteGraph, Resource, boolean)}
1431 public static boolean renewIdentifier(WriteGraph graph, Resource entity) throws DatabaseException {
1432 Layer0 L0 = Layer0.getInstance(graph);
1433 Statement stm = graph.getPossibleStatement(entity, L0.identifier);
1435 graph.claimValue(stm.getObject(), GUID.random(), GUID.BINDING);
1441 public static void addMetadataListener(ChangeListener listener) {
1442 SimanticsInternal.getSession().getService(GraphChangeListenerSupport.class).addMetadataListener(listener);
1445 public static void removeMetadataListener(ChangeListener listener) {
1446 SimanticsInternal.getSession().getService(GraphChangeListenerSupport.class).removeMetadataListener(listener);