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.request.WriteRequest;
77 import org.simantics.db.common.utils.NameUtils;
78 import org.simantics.db.event.ChangeListener;
79 import org.simantics.db.exception.CancelTransactionException;
80 import org.simantics.db.exception.DatabaseException;
81 import org.simantics.db.exception.ServiceException;
82 import org.simantics.db.layer0.adapter.CopyHandler;
83 import org.simantics.db.layer0.adapter.CopyHandler2;
84 import org.simantics.db.layer0.adapter.GenericRelationIndex;
85 import org.simantics.db.layer0.adapter.PasteHandler;
86 import org.simantics.db.layer0.adapter.impl.DefaultPasteHandler;
87 import org.simantics.db.layer0.adapter.impl.EntityRemover;
88 import org.simantics.db.layer0.adapter.impl.TGRemover;
89 import org.simantics.db.layer0.genericrelation.IndexedRelations;
90 import org.simantics.db.layer0.internal.SimanticsInternal;
91 import org.simantics.db.layer0.migration.OntologiesFromLibrary;
92 import org.simantics.db.layer0.property.OrderedResource;
93 import org.simantics.db.layer0.request.GlobalOntologies;
94 import org.simantics.db.layer0.request.PossibleVariableIndexRoot;
95 import org.simantics.db.layer0.request.PropertyInfo;
96 import org.simantics.db.layer0.request.PropertyInfoRequest;
97 import org.simantics.db.layer0.util.SimanticsClipboard.Representation;
98 import org.simantics.db.layer0.variable.StandardGraphPropertyVariable;
99 import org.simantics.db.layer0.variable.Variable;
100 import org.simantics.db.service.ClusterCollectorPolicy;
101 import org.simantics.db.service.ClusterControl;
102 import org.simantics.db.service.ClusteringSupport;
103 import org.simantics.db.service.CollectionSupport;
104 import org.simantics.db.service.DebugSupport;
105 import org.simantics.db.service.GraphChangeListenerSupport;
106 import org.simantics.db.service.ManagementSupport;
107 import org.simantics.db.service.UndoRedoSupport;
108 import org.simantics.db.service.XSupport;
109 import org.simantics.graph.db.TransferableGraphSource;
110 import org.simantics.graph.db.TransferableGraphs;
111 import org.simantics.graph.diff.Diff;
112 import org.simantics.graph.diff.TransferableGraphDelta1;
113 import org.simantics.graph.refactoring.GraphRefactoringUtils;
114 import org.simantics.graph.representation.PrettyPrintTG;
115 import org.simantics.graph.representation.TransferableGraph1;
116 import org.simantics.layer0.Layer0;
117 import org.simantics.operation.Layer0X;
118 import org.simantics.scl.compiler.environment.Environments;
119 import org.simantics.scl.compiler.runtime.RuntimeEnvironment;
120 import org.simantics.scl.compiler.top.SCLExpressionCompilationException;
121 import org.simantics.scl.compiler.types.Type;
122 import org.simantics.scl.osgi.SCLOsgi;
123 import org.simantics.scl.runtime.function.Function;
124 import org.simantics.scl.runtime.function.Function1;
125 import org.simantics.scl.runtime.function.FunctionImpl1;
127 public class Layer0Utils {
129 @SuppressWarnings("rawtypes")
130 public static final ThreadLocal SCL_GRAPH = new ThreadLocal();
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, Bindings.DATATYPE);
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, Bindings.DATATYPE);
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, Bindings.DATATYPE);
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 {
415 return getPossibleDatatype(graph, variable, null, true);
418 private static Datatype getPossibleDatatype(ReadGraph graph, Variable variable, PropertyInfo info, boolean checkPropertyDatatype) throws DatabaseException {
419 Layer0 L0 = Layer0.getInstance(graph);
420 Layer0X L0X = Layer0X.getInstance(graph);
422 Resource property = variable.getPossiblePredicateResource(graph);
423 if(checkPropertyDatatype && property != null) {
424 Datatype requiredDataType = graph.syncRequest(new PossibleRelatedValue<Datatype>(property, L0X.RequiresDataType, Bindings.DATATYPE));
425 if(requiredDataType != null) return requiredDataType;
428 Resource literal = variable.getPossibleRepresents(graph);
429 if(literal != null) {
430 Datatype literalDatatype = graph.getPossibleRelatedValue2(literal, L0.HasDataType, new StandardGraphPropertyVariable(graph, variable, null, literal, L0.HasDataType), Bindings.DATATYPE);
431 if(literalDatatype != null) return literalDatatype;
434 if(property != null) {
436 String requiredValueType = info != null
437 ? info.requiredValueType
438 : graph.getPossibleRelatedValue(property, L0.RequiresValueType, Bindings.STRING);
439 if(requiredValueType != null) {
440 Datatype datatype = getPossibleDatatypeForValueType(requiredValueType);
441 if(datatype != null) return datatype;
444 Resource subject = variable.getParent(graph).getPossibleRepresents(graph);
445 if(subject != null) {
446 Set<Resource> asses = new HashSet<Resource>();
447 for(Resource type : graph.getTypes(subject)) {
448 asses.addAll(graph.getAssertedObjects(type, property));
450 if(asses.size() == 1) {
451 Resource ass = asses.iterator().next();
452 Datatype dt = graph.getPossibleRelatedValue(ass, L0.HasDataType, Bindings.getBindingUnchecked(Datatype.class));
453 if(dt != null) return dt;
462 private static Datatype getPossibleDatatypeForValueType(String requiredValueType) throws DatabaseException {
464 String[] split = requiredValueType.split(" ");
465 String arrayType = null;
466 if(split.length == 2 && "Array".equals(split[0])) {
467 arrayType = split[1];
468 } else if(requiredValueType.startsWith("[") && requiredValueType.endsWith("]")) {
469 arrayType = requiredValueType.substring(1, requiredValueType.length()-1);
472 Datatype arrayDataType = getDatatypeForType(arrayType != null ? arrayType : requiredValueType, arrayType != null);
473 if(arrayDataType != null)
474 return arrayDataType;
476 Datatype dt = Datatypes.getDatatype(requiredValueType);
477 if(dt != null) return dt;
480 return Datatypes.translate(requiredValueType);
481 } catch (DataTypeSyntaxError e) {
487 private static Datatype getDatatypeForType(String type, boolean isArray) {
489 case "Double": return isArray ? Datatypes.DOUBLE_ARRAY : Datatypes.DOUBLE;
490 case "String": return isArray ? Datatypes.STRING_ARRAY : Datatypes.STRING;
491 case "Integer": return isArray ? Datatypes.INTEGER_ARRAY : Datatypes.INTEGER;
492 case "Long": return isArray ? Datatypes.LONG_ARRAY : Datatypes.LONG;
493 case "Float": return isArray ? Datatypes.FLOAT_ARRAY : Datatypes.FLOAT;
494 case "Byte": return isArray ? Datatypes.BYTE_ARRAY : Datatypes.BYTE;
495 case "Boolean": return isArray ? Datatypes.BOOLEAN_ARRAY : Datatypes.BOOLEAN;
496 case "Variant": return isArray ? Datatypes.VARIANT_ARRAY : Datatypes.VARIANT;
501 public static Binding getDefaultBinding(ReadGraph graph, Variable variable) throws DatabaseException {
503 Resource property = variable.getPossiblePredicateResource(graph);
504 if(property != null) {
505 PropertyInfo info = graph.syncRequest(new PropertyInfoRequest(property), TransientCacheAsyncListener.<PropertyInfo>instance());
506 if(info.defaultBinding != null) return info.defaultBinding;
509 Datatype type = getDatatype(graph, variable);
510 return Bindings.getBinding(type);
514 public static Binding getPossibleDefaultBinding(ReadGraph graph, Variable variable) throws DatabaseException {
516 Resource property = variable.getPossiblePredicateResource(graph);
517 PropertyInfo info = null;
518 if(property != null) {
519 info = graph.syncRequest(new PropertyInfoRequest(property), TransientCacheAsyncListener.<PropertyInfo>instance());
520 if(info.defaultBinding != null) return info.defaultBinding;
523 Datatype type = getPossibleDatatype(graph, variable, info, false);
524 if (type == null) return null;
526 return Bindings.getBinding(type);
530 public static String getPossibleUnit(Datatype dt) {
533 else if (dt instanceof NumberType) {
534 return ((NumberType) dt).getUnit();
535 } else if (dt instanceof ArrayType) {
536 ArrayType at = (ArrayType) dt;
537 Datatype cdt = at.componentType();
538 if (cdt instanceof NumberType) {
539 return ((NumberType) cdt).getUnit();
546 public static String getUnit(ReadGraph graph, Variable variable) throws DatabaseException {
548 Layer0 L0 = Layer0.getInstance(graph);
549 Layer0X L0X = Layer0X.getInstance(graph);
551 Resource literal = variable.getPossibleRepresents(graph);
555 Datatype literalDatatype = graph.getPossibleRelatedValue2(literal, L0.HasDataType, new StandardGraphPropertyVariable(graph, variable, null, literal, L0.HasDataType), Bindings.DATATYPE);
556 if(literalDatatype != null) {
557 String unit = getPossibleUnit(literalDatatype);
558 if(unit != null) return unit;
561 Resource property = variable.getPossiblePredicateResource(graph);
562 if(property != null) {
564 Datatype requiredDataType = graph.getPossibleRelatedValue(property, L0X.RequiresDataType, Bindings.DATATYPE);
565 if(requiredDataType != null) {
566 String unit = getPossibleUnit(requiredDataType);
567 if(unit != null) return unit;
576 public static void claimAdaptedValue(WriteGraph graph, Resource objectResource, Object value, Binding binding, Datatype targetDatatype) throws DatabaseException {
580 Datatype sourceDatatype = binding.type();
581 if(sourceDatatype.equals(targetDatatype)) {
582 graph.claimValue(objectResource, value, binding);
584 Binding target = Bindings.getBinding(targetDatatype);
585 Adapter adapter = Bindings.getTypeAdapter(binding, target);
586 graph.claimValue(objectResource, adapter.adapt(value), target);
589 } catch (AdapterConstructionException e) {
590 throw new DatabaseException(e);
591 } catch (AdaptException e) {
592 throw new DatabaseException(e);
597 public static String toString(Object value, Binding binding) throws DatabaseException {
599 if(value instanceof String) return (String)value;
600 StringBuilder sb = new StringBuilder();
601 DataValueRepository rep = new DataValueRepository();
602 binding.printValue(value, sb, rep, false);
603 return sb.toString();
604 } catch (BindingException e) {
605 throw new DatabaseException(e);
606 } catch (IOException e) {
607 throw new DatabaseException(e);
611 public static Object parseValue(String text, Binding binding) throws DatabaseException {
613 if(binding.isInstance(text)) return text;
614 DataValueRepository rep = new DataValueRepository();
615 return binding.parseValue(text, rep);
616 } catch (BindingException e) {
617 throw new DatabaseException(e);
618 } catch (DataTypeSyntaxError e) {
619 throw new DatabaseException(e);
623 @SuppressWarnings("unchecked")
624 public static <T> T getValueAdaptedToBinding(ReadGraph graph, Resource literal, Binding targetBinding) throws DatabaseException {
625 Datatype sourceDatatype = graph.getDataType(literal);
626 Datatype targetDatatype = targetBinding.type();
627 if (sourceDatatype.equals(targetDatatype))
628 return graph.getValue(literal, targetBinding);
630 Binding sourceBinding = Bindings.getBinding(sourceDatatype);
632 Adapter adapter = Bindings.adapterFactory.getAdapter(Bindings.getBinding(sourceDatatype), targetBinding, true, false);
633 Object value = graph.getValue(literal, sourceBinding);
634 return (T) adapter.adaptUnchecked(value);
635 } catch (AdapterConstructionException e) {
636 throw new DatabaseException(e);
640 public static Statement getStatementInLocal(Resource subject, Statement statement) {
641 if(statement.isAsserted(subject)) return new StandardStatement(subject, statement.getPredicate(), statement.getObject());
642 else return statement;
645 public static Resource browsePossible(ReadGraph graph, Resource root, String suffix) throws DatabaseException {
646 return graph.getPossibleResource(graph.getURI(root) + suffix);
649 public static Resource getPossibleChild(ReadGraph graph, Resource resource, String name) throws DatabaseException {
650 return graph.sync(new PossibleChild(resource, name));
653 public static Resource getPossibleChild(ReadGraph graph, Resource resource, Resource type, String name) throws DatabaseException {
654 Resource child = graph.sync(new PossibleChild(resource, name));
655 if(child == null) return null;
656 if(!graph.isInstanceOf(child, type)) return null;
660 public static RelationContext relationContext(ReadGraph graph, Resource subject, Resource predicate) throws DatabaseException {
661 Statement stm = graph.getSingleStatement(subject, predicate);
662 return new RelationContextImpl(subject, stm);
665 public static RelationContext relationContext(Statement stm) throws DatabaseException {
666 return new RelationContextImpl(stm.getSubject(), stm);
669 public static <T> T valueInRelationContext(ReadGraph graph, Resource subject, Statement stm) throws DatabaseException {
670 return graph.getValue2(subject, Layer0Utils.relationContext(stm));
673 public static <T> T valueInRelationContext(ReadGraph graph, Resource subject, Statement stm, Binding binding) throws DatabaseException {
674 return graph.getValue2(subject, Layer0Utils.relationContext(stm), binding);
677 public static <T> T relatedValueInRelationContext(ReadGraph graph, Resource subject, Resource relation) throws DatabaseException {
678 Statement stm = getStatementInLocal(subject, graph.getSingleStatement(subject, relation));
679 return valueInRelationContext(graph, stm.getObject(), stm);
682 public static <T> T relatedValueInRelationContext(ReadGraph graph, Resource subject, Resource relation, Binding binding) throws DatabaseException {
683 Statement stm = getStatementInLocal(subject, graph.getSingleStatement(subject, relation));
684 return valueInRelationContext(graph, stm.getObject(), stm, binding);
687 public static Statement possibleObtainedStatementInternal(ReadGraph graph, Resource subject, Resource relation) throws DatabaseException {
689 Layer0X L0X = Layer0X.getInstance(graph);
691 for(Resource ob : graph.getObjects(subject, L0X.DefinesObtainedStatement)) {
692 Resource pred = graph.getSingleObject(ob, L0X.ObtainedStatement_predicate);
693 if(graph.isSubrelationOf(pred, relation)) {
694 Resource object = graph.getSingleObject(ob, L0X.ObtainedStatement_object);
695 return new StandardStatement(subject, pred, object);
699 ArrayList<OrderedResource> order = new ArrayList<OrderedResource>();
700 for(Statement stm : graph.getStatements(subject, L0X.ObtainsProperty)) {
701 Integer position = graph.getRelatedValue(stm.getPredicate(), L0X.NaturalNumberOrderRelation, Bindings.INTEGER);
702 order.add(new OrderedResource(position, stm.getObject()));
705 for(OrderedResource or : order) {
706 Statement stm = possibleObtainedStatementInternal(graph, or.r, relation);
707 if(stm != null) return stm;
714 public static <T> T possibleObtainedValue(ReadGraph graph, RelationContext ctx, Binding binding) throws DatabaseException {
716 Statement stm = ctx.getStatement();
717 Statement obj = Layer0Utils.possibleObtainedStatementInternal(graph, stm.getSubject(), stm.getPredicate());
720 return Layer0Utils.valueInRelationContext(graph, obj.getObject(), obj, binding);
727 public static void addObtainedStatement(WriteGraph graph, Resource subject, Resource predicate, Resource object) throws DatabaseException {
728 Layer0 L0 = Layer0.getInstance(graph);
729 Layer0X L0X = Layer0X.getInstance(graph);
730 Resource ob = graph.newResource();
731 graph.claim(ob, L0.InstanceOf, null, L0X.ObtainedStatement);
732 graph.claim(ob, L0X.ObtainedStatement_predicate, null, predicate);
733 graph.claim(ob, L0X.ObtainedStatement_object, null, object);
734 graph.claim(subject, L0X.DefinesObtainedStatement, null, ob);
737 public static void addObtainedValue(WriteGraph graph, Resource subject, Resource predicate, Resource type, Object value, Binding binding) throws DatabaseException {
738 Layer0 L0 = Layer0.getInstance(graph);
739 Resource object = graph.newResource();
740 graph.claim(object, L0.InstanceOf, type);
741 graph.claimValue(object, value, binding);
742 Layer0Utils.addObtainedStatement(graph, subject, predicate, object);
745 //-------------------------------------------------------------------------
746 // Indexing state query utilities idle handling utilities
747 //-------------------------------------------------------------------------
750 * This method waits until the indexing engine becomes idle.
753 public static void waitIndexPending() {
754 Indexing.waitIndexPending();
758 * @param graph an active database write handle to prove one is in a write
759 * transaction and wants to disable dependencies indexing for this
761 * @return previous value
764 public static boolean setDependenciesIndexingDisabled(WriteOnlyGraph graph, boolean disabled) {
765 return Indexing.setDependenciesIndexingDisabled(graph, disabled);
768 public static String undo() throws DatabaseException {
770 Session session = SimanticsInternal.getSession();
772 UndoRedoSupport support = session.getService(UndoRedoSupport.class);
774 List<Operation> ops = support.undoAndReturnOperations(session, 1);
776 return "Undo history is empty.";
778 Operation mainOperation = ops.get(0);
780 long csId = mainOperation.getCSId();
782 ManagementSupport management = session.getService(ManagementSupport.class);
783 Collection<ChangeSetIdentifier> ids = management.getChangeSetIdentifiers(csId, csId);
785 return "Undo reverted " + ids.size() + " change sets.";
789 public static String undoOperations(int amountOfOperations) throws DatabaseException {
791 Session session = SimanticsInternal.getSession();
793 UndoRedoSupport support = session.getService(UndoRedoSupport.class);
795 List<Operation> ops = support.undoAndReturnOperations(session, amountOfOperations);
797 return "Undo history is empty.";
799 Operation mainOperation = ops.get(0);
801 long csId = mainOperation.getCSId();
803 ManagementSupport management = session.getService(ManagementSupport.class);
804 Collection<ChangeSetIdentifier> ids = management.getChangeSetIdentifiers(csId, csId);
806 return "Undo reverted " + ids.size() + " change sets.";
810 public static String redo() throws DatabaseException {
812 Session session = SimanticsInternal.getSession();
814 UndoRedoSupport support = session.getService(UndoRedoSupport.class);
816 List<Operation> ops = support.redo(session, 1);
818 return "Redo history is empty.";
820 Operation mainOperation = ops.get(0);
822 long csId = mainOperation.getCSId();
824 ManagementSupport management = session.getService(ManagementSupport.class);
825 Collection<ChangeSetIdentifier> ids = management.getChangeSetIdentifiers(csId, csId);
827 return "Redo redid " + ids.size() + " change sets.";
831 public static String getComment(Session session, ChangeSetIdentifier id) {
832 byte[] data = id.getMetadata().get(CommentMetadata.class.getName());
834 return "Undescribed operation.";
835 String comment = CommentMetadata.deserialise(session, data).toString().trim();
836 if(comment.isEmpty())
837 return "Undescribed operation.";
842 * This method adds CommentMetadata for write transaction. CommentMetadata is used e.g. in Undo view.
847 * @throws ServiceException
849 public static void addCommentMetadata(WriteOnlyGraph graph, String string) throws ServiceException {
850 // Add a comment to metadata.
851 CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
852 graph.addMetadata(cm.add(ObjectUtils.toString(string)));
855 //-------------------------------------------------------------------------
858 * Copy the specified source resource into the specified container using the
859 * specified write transaction handle.
861 * @param graph write transaction handle
862 * @param targetContainer target container resource of the created copy. The
863 * exact logic of how the copy will be contained by the target
864 * container is up to the PasteHandler to decide
865 * @param source the source resource to copy
866 * @throws DatabaseException
869 public static Collection<Resource> copyTo(WriteGraph graph, Resource targetContainer, Resource source) throws DatabaseException {
870 return copyTo(graph, targetContainer, source, null, null, null);
873 public static Collection<Resource> copyTo(WriteGraph graph, Resource targetContainer, Resource source, PasteEventHandler handler) throws DatabaseException {
874 return copyTo(graph, targetContainer, source, handler, null, null);
877 public static Collection<Resource> copyTo(WriteGraph graph, Resource targetContainer, Resource source, PasteEventHandler handler, CopyHandler copyHandler, PasteHandler pasteHandler) throws DatabaseException {
878 if(copyHandler == null) copyHandler = graph.adapt(source, CopyHandler.class);
879 return copyTo(graph, targetContainer, handler, copyHandler, pasteHandler);
882 public static Collection<Resource> copyTo(WriteGraph graph, Resource targetContainer, PasteEventHandler handler, CopyHandler copyHandler, PasteHandler pasteHandler) throws DatabaseException {
883 SimanticsClipboardImpl clipboard = new SimanticsClipboardImpl();
884 copyHandler.copyToClipboard(graph, clipboard);
885 if(targetContainer != null) {
886 if(pasteHandler == null) pasteHandler = graph.adapt(targetContainer, PasteHandler.class);
887 return pasteHandler.pasteFromClipboard(graph, clipboard, handler);
889 DefaultPasteHandler ph = new DefaultPasteHandler(null);
890 return ph.pasteFromClipboard(graph, clipboard, handler);
894 public static CopyHandler2 getPossibleCopyHandler(ReadGraph graph, Collection<Resource> rs) throws DatabaseException {
895 CopyHandler2 ch = null;
896 for(Resource r : rs) {
898 CopyHandler ch2_ = graph.adapt(r, CopyHandler.class);
899 if(ch2_ instanceof CopyHandler2) {
900 ch = (CopyHandler2)ch2_;
903 CopyHandler ch2_ = graph.adapt(r, CopyHandler.class);
904 if(ch2_ instanceof CopyHandler2) {
905 CopyHandler2 ch2 = (CopyHandler2)ch2_;
906 ch = ch.combine(ch2);
913 public static ClusterCollectorPolicy setClusterCollectorPolicy(ClusterCollectorPolicy policy) {
914 Session session = SimanticsInternal.getSession();
915 ClusterControl cc = session.getService(ClusterControl.class);
916 return cc.setPolicy(policy);
919 private static String decodeType(ReadGraph graph, Variable variable) throws DatabaseException {
920 Datatype dt = getDatatype(graph, variable);
921 return dt.toSingleLineString();
924 private static boolean isAsserted(ReadGraph graph, Resource subject, Resource predicate) throws DatabaseException {
925 Statement stm = graph.getPossibleStatement(subject, predicate);
926 return stm != null && stm.isAsserted(subject);
929 public static void setExpression(WriteGraph graph, Variable context, String text, Resource expressionValueType) throws DatabaseException {
931 Resource value = context.getRepresents(graph);
932 Resource predicateResource = context.getPredicateResource(graph);
933 Variable parent = context.getParent(graph);
934 Resource parentResource = parent.getRepresents(graph);
935 setExpression(graph, parentResource, predicateResource, value, text, expressionValueType);
939 public static void setExpression(WriteGraph graph, Resource parentResource, Resource predicateResource, Resource value, String text, Resource expressionValueType) throws DatabaseException {
941 Layer0 L0 = Layer0.getInstance(graph);
942 boolean hasExpression = graph.isInstanceOf(value, expressionValueType);
943 String t = getSCLTypeString(graph, predicateResource, value);
944 String expression = text.substring(1).trim();
945 if(isAsserted(graph, parentResource, predicateResource)) {
946 Resource newValue = graph.newResource();
947 graph.claim(newValue, L0.InstanceOf, expressionValueType);
948 graph.claimLiteral(newValue, L0.HasValueType, t, Bindings.STRING);
949 graph.claimLiteral(newValue, L0.SCLValue_expression, expression, Bindings.STRING);
950 graph.claim(parentResource, predicateResource, newValue);
953 graph.claimLiteral(value, L0.SCLValue_expression, expression, Bindings.STRING);
955 Resource newValue = graph.newResource();
956 graph.claim(newValue, L0.InstanceOf, expressionValueType);
957 graph.claimLiteral(newValue, L0.HasValueType, t, Bindings.STRING);
958 graph.claimLiteral(newValue, L0.SCLValue_expression, expression, Bindings.STRING);
959 graph.deny(parentResource, predicateResource);
960 graph.claim(parentResource, predicateResource, newValue);
966 public static void clearExpression(WriteGraph graph, Variable property, Resource expressionValueType) throws DatabaseException {
968 Resource object = property.getPossibleRepresents(graph);
970 boolean hasExpression = graph.isInstanceOf(object, expressionValueType);
972 // There was an expression and now we go back to a value
973 Resource subject = property.getParent(graph).getPossibleRepresents(graph);
974 if(subject != null) {
975 Resource predicate = property.getPossiblePredicateResource(graph);
976 if(predicate != null) {
977 graph.deny(subject, predicate, object);
978 RemoverUtil.remove(graph, object);
986 public static boolean setOrClearExpression(WriteGraph graph, Variable property, String text, Resource expressionValueType) throws DatabaseException {
988 if(text.startsWith("=")) {
989 setExpression(graph, property, text, expressionValueType);
993 clearExpression(graph, property, expressionValueType);
999 public static void setValueAsString(WriteGraph graph, Variable property, String text, Resource expressionValueType) throws DatabaseException {
1003 if (setOrClearExpression(graph, property, text, expressionValueType))
1006 Object value = text;
1007 Datatype type = property.getPossibleDatatype(graph);
1010 Binding binding = Bindings.getBinding(type);
1012 if (binding instanceof StringBinding) {
1014 if (binding instanceof MutableStringBinding)
1015 value = new MutableString(text);
1021 if (binding instanceof NumberBinding) {
1022 text = text.replace(",", ".");
1025 value = binding.parseValue(text, new DataValueRepository());
1029 property.setValue(graph, value, binding);
1033 property.setValue(graph, value);
1037 // Add a comment to metadata.
1038 CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
1039 graph.addMetadata(cm.add("Set value " + ObjectUtils.toString(value)));
1041 } catch (DataTypeSyntaxError e) {
1042 throw new DatabaseException(e);
1043 } catch (BindingException e) {
1044 throw new DatabaseException(e);
1050 public static String queryDebugSupport(String query) {
1051 Session session = SimanticsInternal.getSession();
1052 DebugSupport ds = session.getService(DebugSupport.class);
1053 return ds.query(session, "exec " + query);
1056 public static String queryListSupport (String query) {
1057 Session session = SimanticsInternal.getSession();
1058 DebugSupport ds = session.getService(DebugSupport.class);
1059 return ds.query(session, "list " + query);
1062 final public static Function1<Resource,Resource> resourceCluster = new FunctionImpl1<Resource, Resource>() {
1064 public Resource apply(Resource p0) {
1069 public static void sort(ReadGraph graph, List<Resource> collection) {
1070 CollectionSupport cos = graph.getService(CollectionSupport.class);
1071 cos.sort(collection);
1074 public static List<Resource> sortByCluster(ReadGraph graph, Collection<Resource> collection) {
1075 CollectionSupport cos = graph.getService(CollectionSupport.class);
1076 return cos.asSortedList(collection);
1079 public static List<Object> sortByCluster(final ReadGraph graph, List<Object> list, final Function1<Object,Resource> fn) {
1080 final ClusteringSupport cs = graph.getService(ClusteringSupport.class);
1081 ArrayList<Object> result = new ArrayList<Object>(list);
1082 Collections.sort(result, new Comparator<Object>() {
1085 public int compare(Object o1, Object o2) {
1086 Resource r1 = fn.apply(o1);
1087 Resource r2 = fn.apply(o2);
1088 long l1 = cs.getCluster(r1);
1089 long l2 = cs.getCluster(r2);
1090 if(l1 < l2) return -1;
1091 else if (l1 > l2) return 1;
1099 public static <T> List<T> sortByClusterT(final ReadGraph graph, Collection<T> list, final Function1<T,Resource> fn) {
1100 final ClusteringSupport cs = graph.getService(ClusteringSupport.class);
1101 ArrayList<T> result = new ArrayList<T>(list);
1102 Collections.sort(result, new Comparator<Object>() {
1105 public int compare(Object o1, Object o2) {
1106 Resource r1 = fn.apply((T)o1);
1107 Resource r2 = fn.apply((T)o2);
1108 long l1 = cs.getCluster(r1);
1109 long l2 = cs.getCluster(r2);
1110 if(l1 < l2) return -1;
1111 else if (l1 > l2) return 1;
1119 public static void makeSynchronous(ReadGraph graph, boolean value) throws DatabaseException {
1120 graph.setSynchronous(value);
1123 public static Set<Resource> listIndexRoots(ReadGraph graph) throws DatabaseException {
1125 Layer0 L0 = Layer0.getInstance(graph);
1127 Set<Resource> indexRoots = new TreeSet<Resource>();
1128 indexRoots.addAll(Layer0Utils.listOntologies(graph));
1129 indexRoots.addAll(graph.syncRequest(new ObjectsWithType(SimanticsInternal.getProject(), L0.ConsistsOf, L0.IndexRoot)));
1134 public static List<Resource> listOntologies(ReadGraph graph) throws DatabaseException {
1135 return graph.syncRequest(new OntologiesFromLibrary(graph.getRootLibrary()));
1138 public static List<Resource> listGlobalOntologies(ReadGraph graph) throws DatabaseException {
1139 return graph.syncRequest(new GlobalOntologies(graph.getRootLibrary()));
1142 public static <T> T applySCL(String module, String function, ReadGraph graph, Object ... args) throws DatabaseException {
1145 SCL_GRAPH.set(graph);
1146 T t = (T)((Function)SCLOsgi.MODULE_REPOSITORY.getValue(module + "/" + function)).applyArray(args);
1147 SCL_GRAPH.set(null);
1149 } catch (Throwable t) {
1150 throw new DatabaseException(t);
1155 public static boolean isContainerPublished(ReadGraph graph, Variable variable) throws DatabaseException {
1157 Resource indexRoot = graph.syncRequest(new PossibleVariableIndexRoot(variable));
1158 if(indexRoot == null) return false;
1159 Resource represents = variable.getPossibleRepresents(graph);
1160 if(represents != null && represents.equals(indexRoot)) return false;
1161 return isPublished(graph, indexRoot);
1165 public static boolean isContainerPublished(ReadGraph graph, Resource resource) throws DatabaseException {
1167 Resource indexRoot = graph.syncRequest(new PossibleIndexRoot(resource));
1168 if(indexRoot == null) return false;
1169 if(resource.equals(indexRoot)) return false;
1170 return isPublished(graph, indexRoot);
1174 public static boolean isPublished(ReadGraph graph, Resource resource) throws DatabaseException {
1176 Layer0 L0 = Layer0.getInstance(graph);
1177 Boolean value = graph.getPossibleRelatedValue(resource, L0.Entity_published, Bindings.BOOLEAN);
1178 if(value != null && value) return true;
1180 // This is safety - root should not be published it child is not
1181 Resource root = graph.syncRequest(new PossibleIndexRoot(resource));
1183 value = graph.getPossibleRelatedValue(root, L0.Entity_published, Bindings.BOOLEAN);
1184 if(value != null && value) return true;
1191 private static TransferableGraph1 makeTG(ReadGraph graph, Resource r) throws DatabaseException {
1193 SimanticsClipboardImpl cp = new SimanticsClipboardImpl();
1194 CopyHandler c1 = graph.adapt(r, CopyHandler.class);
1195 c1.copyToClipboard(graph, cp);
1196 Collection<Set<Representation>> reps = cp.getContents();
1197 if(reps.size() != 1) return null;
1198 return ClipboardUtils.accept(graph, reps.iterator().next(), SimanticsKeys.KEY_TRANSFERABLE_GRAPH);
1202 public static TransferableGraphSource makeTGSource(ReadGraph graph, Resource r) throws DatabaseException {
1204 SimanticsClipboardImpl cp = new SimanticsClipboardImpl();
1205 CopyHandler c1 = graph.adapt(r, CopyHandler.class);
1206 c1.copyToClipboard(graph, cp);
1207 Collection<Set<Representation>> reps = cp.getContents();
1208 if(reps.size() != 1) return null;
1209 return ClipboardUtils.accept(graph, reps.iterator().next(), SimanticsKeys.KEY_TRANSFERABLE_GRAPH_SOURCE);
1214 * Modifies target to resemble source.
1216 public static boolean merge(WriteGraph graph, Resource source, Resource target) throws DatabaseException {
1218 TransferableGraphSource tgs1 = makeTGSource(graph, target);
1219 TransferableGraph1 tg1 = TransferableGraphs.create(graph, tgs1);
1220 TransferableGraph1 tg2 = makeTG(graph, source);
1222 GraphRefactoringUtils.fixIncorrectRoot(tg1.identities);
1223 GraphRefactoringUtils.fixIncorrectRoot(tg2.identities);
1225 ModelTransferableGraphSource mtgs = (ModelTransferableGraphSource)tgs1;
1227 Diff diff = new Diff(tg1, tg2);
1228 TransferableGraphDelta1 delta = diff.diff();
1230 long[] oldResources = mtgs.getResourceArray(graph);
1231 if(TransferableGraphs.hasChanges(graph, oldResources, delta)) {
1232 TransferableGraphs.applyDelta(graph, mtgs.getResourceArray(graph), delta);
1240 public static Resource inferLiteralTypeFromString(ReadGraph graph, String text) {
1241 return Layer0.getInstance(graph).String;
1244 public static void emptyTrashBin() throws ServiceException {
1245 emptyTrashBin(new NullProgressMonitor());
1248 public static void emptyTrashBin(IProgressMonitor monitor) throws ServiceException {
1249 emptyTrashBin(monitor, SimanticsInternal.getSession(), SimanticsInternal.getProject());
1252 public static void emptyTrashBin(final IProgressMonitor monitor, Session session, final Resource project)
1253 throws ServiceException {
1254 final SubMonitor mon = SubMonitor.convert(monitor, "Emptying Trash Bin...", 10000);
1256 ArrayList<Resource> unhandled = new ArrayList<Resource>();
1257 session.syncRequest(new DelayedWriteRequest() {
1259 public void perform(WriteGraph graph) throws DatabaseException {
1260 Layer0Utils.setDependenciesIndexingDisabled(graph, true);
1261 Layer0 L0 = Layer0.getInstance(graph);
1262 Layer0X L0X = Layer0X.getInstance(graph);
1263 Resource parent = graph.getSingleObject(project, L0.PartOf);
1264 Resource trashBin = Layer0Utils.getPossibleChild(graph, parent, "TrashBin");
1265 Collection<Resource> trashes = trashBin != null ? graph.getObjects(trashBin, L0.ConsistsOf)
1266 : Collections.<Resource> emptyList();
1267 if (trashes.isEmpty())
1268 throw new CancelTransactionException();
1269 mon.setWorkRemaining((2 + trashes.size()) * 1000);
1270 for (Resource trash : trashes) {
1271 if (mon.isCanceled())
1272 throw new CancelTransactionException();
1273 mon.subTask(NameUtils.getSafeName(graph, trash));
1274 boolean isIndexRoot = graph.isInstanceOf(trash, L0.IndexRoot);
1275 TGRemover remo = new TGRemover(mon.newChild(1000, SubMonitor.SUPPRESS_ALL_LABELS), trash);
1278 unhandled.addAll(remo.getRoots());
1279 } catch (DatabaseException e) {
1280 // Something went wrong - try to remove this later
1281 // with EntityRemover
1282 unhandled.add(trash);
1285 // TODO: this should be an utility
1286 GenericRelationIndex index = graph.adapt(L0X.DependenciesRelation,
1287 GenericRelationIndex.class);
1288 IndexedRelations ir = graph.getService(IndexedRelations.class);
1289 // Deletes index files
1290 ir.reset(null, graph, L0X.DependenciesRelation, trash);
1291 // Notifies DB listeners
1292 index.reset(graph, trash);
1295 if (mon.isCanceled())
1296 throw new CancelTransactionException();
1297 mon.subTask("Committing Changes");
1302 session.syncRequest(new WriteRequest() {
1304 public void perform(WriteGraph graph) throws DatabaseException {
1305 for (Resource r : unhandled)
1306 EntityRemover.remove(graph, r);
1310 if (mon.isCanceled())
1312 mon.subTask("Purging Database");
1314 purgeDatabase(monitor, session);
1315 } catch (CancelTransactionException e) {
1317 } catch (DatabaseException e) {
1318 throw new ServiceException(e);
1322 public static void purgeDatabase() throws ServiceException {
1323 purgeDatabase(new NullProgressMonitor());
1326 public static void purgeDatabase(final IProgressMonitor monitor) throws ServiceException {
1327 purgeDatabase(monitor, SimanticsInternal.getSession());
1330 public static void purgeDatabase(final IProgressMonitor monitor, Session session) throws ServiceException {
1332 XSupport xs = session.getService(XSupport.class);
1334 } catch (DatabaseException e) {
1335 throw new ServiceException(e);
1339 public static Resource getSingleDomainOf(ReadGraph graph, Resource type, Resource target) throws DatabaseException {
1340 Resource result = null;
1341 for(Resource candidate : getDomainOf(graph, type).values()) {
1342 if(graph.isInstanceOf(candidate, target)) {
1343 if(result != null) throw new DatabaseException("Multiple relations found for target " + graph.getURI(target) + " in type " + graph.getURI(type));
1344 else result = candidate;
1347 if(result == null) throw new DatabaseException("Multiple relations found for target " + graph.getURI(target) + " in type " + graph.getURI(type));
1351 public static Map<String, Resource> getDomainOf(ReadGraph graph, Resource type) throws DatabaseException {
1352 CollectionSupport cs = graph.getService(CollectionSupport.class);
1353 Map<String, Resource> result = cs.createObjectResourceMap(String.class);
1354 Layer0 L0 = Layer0.getInstance(graph);
1355 for(Resource r : graph.getObjects(type, L0.DomainOf)) {
1356 String name = graph.getPossibleRelatedValue(r, L0.HasName, Bindings.STRING);
1357 if(name != null) result.put(name, r);
1359 for(Resource t : graph.getSupertypes(type)) {
1360 for(Resource r : graph.getObjects(t, L0.DomainOf)) {
1361 String name = graph.getPossibleRelatedValue(r, L0.HasName, Bindings.STRING);
1362 if(name != null) result.put(name, r);
1368 public static Resource getPossiblePredicateByNameFromType(ReadGraph graph, Resource type, String name) throws DatabaseException {
1369 Map<String,Resource> domain = getDomainOf(graph, type);
1370 return domain.get(name);
1373 public static Resource getPossiblePredicateByName(ReadGraph graph, Resource instance, String predicateName) throws DatabaseException {
1374 for(Resource type : graph.getPrincipalTypes(instance)) {
1375 Map<String, Resource> domainOf = getDomainOf(graph, type);
1376 Resource predicate = domainOf.get(predicateName);
1377 if(predicate != null) return predicate;
1382 public static Resource getPossiblePredicateByLabel(ReadGraph graph, Resource instance, String predicateName) throws DatabaseException {
1383 Layer0 L0 = Layer0.getInstance(graph);
1384 for(Resource type : graph.getPrincipalTypes(instance)) {
1385 Map<String, Resource> domainOf = getDomainOf(graph, type);
1386 for(Resource r : domainOf.values()) {
1387 String label = graph.getPossibleRelatedValue(r, L0.HasLabel, Bindings.STRING);
1388 if(predicateName.equals(label))
1395 public static void claimLiteralDataboard(WriteGraph graph, Resource container, Resource property, String valueText) throws DatabaseException {
1398 PropertyInfo pi = graph.syncRequest(new PropertyInfoRequest(property));
1399 if(pi.literalRange == null) throw new DatabaseException("No suitable literal type defined as range for property.");
1400 if(pi.defaultBinding == null) throw new DatabaseException("No suitable default binding for property.");
1401 Object value = pi.defaultBinding.parseValue(valueText, new DataValueRepository());
1402 graph.claimLiteral(container, property, pi.literalRange, value, pi.defaultBinding);
1403 } catch (DataTypeSyntaxError e) {
1404 throw new DatabaseException(e);
1405 } catch (BindingException e) {
1406 throw new DatabaseException(e);
1411 public static String prettyPrintResource(ReadGraph graph, Resource resource, boolean ignoreIdentifiers) throws Exception {
1412 TransferableGraphSource source = makeTGSource(graph, resource);
1413 TransferableGraph1 tg = TransferableGraphs.create(graph, source);
1414 GraphRefactoringUtils.fixOntologyExport(tg);
1415 System.out.println("Printing resoure " + graph.getURI(resource));
1416 return PrettyPrintTG.print(tg, ignoreIdentifiers);
1420 * Adds a random {@link GUID} as a value for <code>L0.identifier</code>
1424 * for which the identifier is added
1426 * <code>true</code> to invoke addLiteral, <code>false</code> to
1427 * invoke claimLiteral
1428 * @throws DatabaseException
1430 public static void claimNewIdentifier(WriteGraph graph, Resource component, boolean add) throws DatabaseException {
1431 Layer0 L0 = Layer0.getInstance(graph);
1432 GUID guid = GUID.random();
1434 graph.addLiteral(component, L0.identifier, L0.identifier_Inverse, L0.GUID, guid, GUID.BINDING);
1436 graph.claimLiteral(component, L0.identifier, L0.identifier_Inverse, L0.GUID, guid, GUID.BINDING);
1440 * Sets a new random unique identifier for the specified entity if it already
1441 * has an identifier. If the entity does not have a previous identifier, nothing
1446 * for which the identifier is added
1447 * @return <code>true</code> if the identifier was renewed, <code>false</code>
1449 * @throws DatabaseException
1450 * @see {@link #claimNewIdentifier(WriteGraph, Resource, boolean)}
1452 public static boolean renewIdentifier(WriteGraph graph, Resource entity) throws DatabaseException {
1453 Layer0 L0 = Layer0.getInstance(graph);
1454 Statement stm = graph.getPossibleStatement(entity, L0.identifier);
1456 graph.claimValue(stm.getObject(), GUID.random(), GUID.BINDING);
1462 public static void addMetadataListener(ChangeListener listener) {
1463 SimanticsInternal.getSession().getService(GraphChangeListenerSupport.class).addMetadataListener(listener);
1466 public static void removeMetadataListener(ChangeListener listener) {
1467 SimanticsInternal.getSession().getService(GraphChangeListenerSupport.class).removeMetadataListener(listener);