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.exception.CancelTransactionException;
78 import org.simantics.db.exception.DatabaseException;
79 import org.simantics.db.exception.ServiceException;
80 import org.simantics.db.layer0.adapter.CopyHandler;
81 import org.simantics.db.layer0.adapter.CopyHandler2;
82 import org.simantics.db.layer0.adapter.GenericRelationIndex;
83 import org.simantics.db.layer0.adapter.PasteHandler;
84 import org.simantics.db.layer0.adapter.impl.DefaultPasteHandler;
85 import org.simantics.db.layer0.adapter.impl.TGRemover;
86 import org.simantics.db.layer0.genericrelation.IndexedRelations;
87 import org.simantics.db.layer0.internal.SimanticsInternal;
88 import org.simantics.db.layer0.migration.OntologiesFromLibrary;
89 import org.simantics.db.layer0.property.OrderedResource;
90 import org.simantics.db.layer0.request.GlobalOntologies;
91 import org.simantics.db.layer0.request.PossibleVariableIndexRoot;
92 import org.simantics.db.layer0.request.PropertyInfo;
93 import org.simantics.db.layer0.request.PropertyInfoRequest;
94 import org.simantics.db.layer0.util.SimanticsClipboard.Representation;
95 import org.simantics.db.layer0.variable.StandardGraphPropertyVariable;
96 import org.simantics.db.layer0.variable.Variable;
97 import org.simantics.db.service.ClusterCollectorPolicy;
98 import org.simantics.db.service.ClusterControl;
99 import org.simantics.db.service.ClusteringSupport;
100 import org.simantics.db.service.CollectionSupport;
101 import org.simantics.db.service.DebugSupport;
102 import org.simantics.db.service.ManagementSupport;
103 import org.simantics.db.service.UndoRedoSupport;
104 import org.simantics.db.service.XSupport;
105 import org.simantics.graph.db.TransferableGraphSource;
106 import org.simantics.graph.db.TransferableGraphs;
107 import org.simantics.graph.diff.Diff;
108 import org.simantics.graph.diff.TransferableGraphDelta1;
109 import org.simantics.graph.refactoring.GraphRefactoringUtils;
110 import org.simantics.graph.representation.PrettyPrintTG;
111 import org.simantics.graph.representation.TransferableGraph1;
112 import org.simantics.layer0.Layer0;
113 import org.simantics.operation.Layer0X;
114 import org.simantics.scl.compiler.environment.Environments;
115 import org.simantics.scl.compiler.runtime.RuntimeEnvironment;
116 import org.simantics.scl.compiler.top.SCLExpressionCompilationException;
117 import org.simantics.scl.compiler.types.Type;
118 import org.simantics.scl.osgi.SCLOsgi;
119 import org.simantics.scl.runtime.function.Function;
120 import org.simantics.scl.runtime.function.Function1;
121 import org.simantics.scl.runtime.function.FunctionImpl1;
123 public class Layer0Utils {
125 @SuppressWarnings("rawtypes")
126 public static final ThreadLocal SCL_GRAPH = new ThreadLocal();
128 final public static Binding datatype_binging = Bindings.getBindingUnchecked(Datatype.class);
130 public static Resource literal(WriteGraph g, String value) throws DatabaseException {
131 Layer0 L0 = Layer0.getInstance(g);
132 Resource r = g.newResource();
133 g.claimValue(r, value, Bindings.STRING);
134 g.claim(r, L0.InstanceOf, L0.String);
138 public static Resource literal(WriteGraph g, double value) throws DatabaseException {
139 Layer0 L0 = Layer0.getInstance(g);
140 Resource r = g.newResource();
141 g.claimValue(r, value, Bindings.DOUBLE);
142 g.claim(r, L0.InstanceOf, L0.Double);
146 public static Resource literal(WriteGraph g, int value) throws DatabaseException {
147 Layer0 L0 = Layer0.getInstance(g);
148 Resource r = g.newResource();
149 g.claimValue(r, value, Bindings.INTEGER);
150 g.claim(r, L0.InstanceOf, L0.Integer);
154 public static void assert_(WriteGraph g, Resource type, Resource predicate, Resource object) throws DatabaseException {
155 Layer0 L0 = Layer0.getInstance(g);
156 Resource assertion = g.newResource();
157 g.claim(type, L0.Asserts, assertion);
158 g.claim(assertion, L0.InstanceOf, L0.Assertion);
159 g.claim(assertion, L0.HasPredicate, predicate);
160 g.claim(assertion, L0.HasObject, object);
163 public static Resource relation(WriteGraph g, Resource parent, String name, Resource superrelation) throws DatabaseException {
164 Layer0 L0 = Layer0.getInstance(g);
165 Resource relation = g.newResource();
166 g.claim(relation, L0.SubrelationOf, superrelation);
167 g.claim(relation, L0.HasName, literal(g, name));
168 g.claim(parent, L0.ConsistsOf, relation);
170 Resource superrelationInverse = g.getInverse(superrelation);
171 if(superrelationInverse != null) {
172 Resource inverse = g.newResource();
173 g.claim(inverse, L0.SubrelationOf, superrelationInverse);
174 g.claim(relation, L0.ConsistsOf, inverse);
175 g.claim(inverse, L0.HasName, literal(g, "Inverse"));
180 private static Resource getLiteralType(ReadGraph graph, Datatype type) throws DatabaseException {
181 Layer0 L0 = Layer0.getInstance(graph);
182 if(type instanceof DoubleType) return L0.Double;
183 else if(type instanceof StringType) return L0.String;
184 else if(type instanceof IntegerType) return L0.Integer;
185 else if(type instanceof LongType) return L0.Long;
186 else if(type instanceof FloatType) return L0.Float;
187 else if(type instanceof ByteType) return L0.Byte;
188 else if(type instanceof BooleanType) return L0.Boolean;
189 else if(type instanceof ArrayType) {
190 ArrayType at = (ArrayType)type;
191 if(at.componentType instanceof DoubleType) return L0.DoubleArray;
192 else if(at.componentType instanceof StringType) return L0.StringArray;
193 else if(at.componentType instanceof IntegerType) return L0.IntegerArray;
194 else if(at.componentType instanceof LongType) return L0.LongArray;
195 else if(at.componentType instanceof FloatType) return L0.FloatArray;
196 else if(at.componentType instanceof ByteType) return L0.ByteArray;
197 else if(at.componentType instanceof BooleanType) return L0.BooleanArray;
198 else if(at.componentType instanceof VariantType) return L0.VariantArray;
200 throw new DatabaseException("Unidentified literal type for datatype " + type);
203 private static Resource getPossibleLiteralType(ReadGraph graph, String type) throws DatabaseException {
205 Layer0 L0 = Layer0.getInstance(graph);
206 if("Double".equals(type)) return L0.Double;
207 else if("String".equals(type)) return L0.String;
208 else if("Integer".equals(type)) return L0.Integer;
209 else if("Long".equals(type)) return L0.Long;
210 else if("Float".equals(type)) return L0.Float;
211 else if("Byte".equals(type)) return L0.Byte;
212 else if("Boolean".equals(type)) return L0.Boolean;
213 else if("[Double]".equals(type)) return L0.DoubleArray;
214 else if("[String]".equals(type)) return L0.StringArray;
215 else if("[Integer]".equals(type)) return L0.IntegerArray;
216 else if("[Long]".equals(type)) return L0.LongArray;
217 else if("[Float]".equals(type)) return L0.FloatArray;
218 else if("[Byte]".equals(type)) return L0.ByteArray;
219 else if("[Boolean]".equals(type)) return L0.BooleanArray;
220 else if("[Variant]".equals(type)) return L0.VariantArray;
221 else if("Array Double".equals(type)) return L0.DoubleArray;
222 else if("Array String".equals(type)) return L0.StringArray;
223 else if("Array Integer".equals(type)) return L0.IntegerArray;
224 else if("Array Long".equals(type)) return L0.LongArray;
225 else if("Array Float".equals(type)) return L0.FloatArray;
226 else if("Array Byte".equals(type)) return L0.ByteArray;
227 else if("Array Boolean".equals(type)) return L0.BooleanArray;
228 else if("Array Variant".equals(type)) return L0.VariantArray;
229 else if("Vector Double".equals(type)) return L0.DoubleArray;
230 else if("Vector String".equals(type)) return L0.StringArray;
231 else if("Vector Integer".equals(type)) return L0.IntegerArray;
232 else if("Vector Long".equals(type)) return L0.LongArray;
233 else if("Vector Float".equals(type)) return L0.FloatArray;
234 else if("Vector Byte".equals(type)) return L0.ByteArray;
235 else if("Vector Boolean".equals(type)) return L0.BooleanArray;
236 else if("Vector Variant".equals(type)) return L0.VariantArray;
237 else if("Datatype".equals(type)) return L0.DataType;
238 else if("Variant".equals(type)) return L0.Variant;
242 public static Resource getPossibleLiteralType(ReadGraph graph, Variable variable) throws DatabaseException {
243 Resource predicate = variable.getPossiblePredicateResource(graph);
244 if(predicate == null) return null;
245 return getPossibleLiteralType(graph, predicate);
248 public static Resource getLiteralType(ReadGraph graph, Variable variable) throws DatabaseException {
249 Resource result = getPossibleLiteralType(graph, variable);
250 if(result == null) throw new DatabaseException("Unidentified literal type for variable " + variable.getURI(graph));
254 public static Resource getLiteralType(ReadGraph graph, Resource property) throws DatabaseException {
255 Resource result = getPossibleLiteralType(graph, property);
256 if(result == null) throw new DatabaseException("Unidentified literal type for property " + graph.getURI(property));
260 public static Resource getPossibleLiteralType(ReadGraph graph, Resource property) throws DatabaseException {
262 Layer0 L0 = Layer0.getInstance(graph);
263 Layer0X L0X = Layer0X.getInstance(graph);
265 Resource defaultLiteralType = graph.getPossibleObject(property, L0.HasDefaultLiteralType);
266 if(defaultLiteralType != null) return defaultLiteralType;
268 Resource range = graph.getPossibleObject(property, L0.HasRange);
269 if(range != null && !L0.Value.equals(range)) return range;
271 Datatype requiredDataType = graph.getPossibleRelatedValue(property, L0X.RequiresDataType, datatype_binging);
272 if(requiredDataType != null) return getLiteralType(graph, requiredDataType);
274 String requiredValueType = graph.getPossibleRelatedValue(property, L0.RequiresValueType, Bindings.STRING);
275 if(requiredValueType == null) return null;
277 return getPossibleLiteralType(graph, requiredValueType);
282 * @param type any data type definition
283 * @return SCL type that matches the specified data type on a basic level.
284 * Data type metadata is/cannot be converted into SCL types.
285 * @throws IllegalArgumentException
286 * if the input datatype can't be converted into an SCL type
288 public static String getSCLType(Datatype type) throws IllegalArgumentException {
289 return buildSCLType(type, null).toString();
293 * Only used internally by {@link #buildSCLType(Datatype, StringBuilder)}
297 * @see #buildSCLType(Datatype, StringBuilder)
299 private static StringBuilder append(StringBuilder toBuilder, String s) {
300 return toBuilder != null ? toBuilder.append(s) : new StringBuilder(s);
303 private static CharSequence append(CharSequence to, String s) {
304 if (to instanceof StringBuilder)
305 return ((StringBuilder) to).append(s);
306 return new StringBuilder(to.length() + s.length()).append(to).append(s);
309 private static CharSequence stringOrBuilder(StringBuilder toBuilder, String s) {
310 return toBuilder != null ? toBuilder.append(s) : s;
314 * @param type any data type definition
315 * @return SCL type that matches the specified data type on a basic level.
316 * Data type metadata is/cannot be converted into SCL types.
317 * @throws IllegalArgumentException
318 * if the input datatype can't be converted into an SCL type
320 private static CharSequence buildSCLType(Datatype type, StringBuilder result) throws IllegalArgumentException {
321 if(type instanceof DoubleType) return stringOrBuilder(result, "Double");
322 else if(type instanceof StringType) return stringOrBuilder(result, "String");
323 else if(type instanceof IntegerType) return stringOrBuilder(result, "Integer");
324 else if(type instanceof FloatType) return stringOrBuilder(result, "Float");
325 else if(type instanceof BooleanType) return stringOrBuilder(result, "Boolean");
326 else if(type instanceof ByteType) return stringOrBuilder(result, "Byte");
327 else if(type instanceof LongType) return stringOrBuilder(result, "Long");
328 else if(type instanceof VariantType) return stringOrBuilder(result, "Variant");
329 else if(type instanceof ArrayType) {
330 ArrayType at = (ArrayType) type;
331 // Optimization to prevent allocations in the most basic array cases
332 if(at.componentType instanceof DoubleType) return stringOrBuilder(result, "Vector Double");
333 else if(at.componentType instanceof StringType) return stringOrBuilder(result, "Vector String");
334 else if(at.componentType instanceof IntegerType) return stringOrBuilder(result, "Vector Integer");
335 else if(at.componentType instanceof FloatType) return stringOrBuilder(result, "Vector Float");
336 else if(at.componentType instanceof BooleanType) return stringOrBuilder(result, "Vector Boolean");
337 else if(at.componentType instanceof ByteType) return stringOrBuilder(result, "Vector Byte");
338 else if(at.componentType instanceof LongType) return stringOrBuilder(result, "Vector Long");
339 else if(at.componentType instanceof VariantType) return stringOrBuilder(result, "Vector Variant");
340 else return buildSCLType(at.componentType, append(result, "Vector "));
341 } else if(type instanceof OptionalType) {
342 OptionalType ot = (OptionalType) type;
343 return append(buildSCLType(ot.componentType, append(result, "Maybe (")), ")");
344 } else if (type instanceof RecordType) {
345 throw new IllegalArgumentException("Unable to convert datatype into SCL type: " + type);
346 } else if (type instanceof MapType) {
347 throw new IllegalArgumentException("Unable to convert datatype into SCL type: " + type);
348 } else if (type instanceof UnionType) {
349 throw new IllegalArgumentException("Unable to convert datatype into SCL type: " + type);
351 throw new IllegalArgumentException("Unable to convert datatype into SCL type: " + type);
355 public static Type getSCLType(ReadGraph graph, RuntimeEnvironment runtimeEnvironment, String typeText) throws DatabaseException {
357 return Environments.getType(runtimeEnvironment.getEnvironment(), typeText);
358 } catch (SCLExpressionCompilationException e) {
359 throw new DatabaseException(e);
363 public static Type getSCLType(ReadGraph graph, Variable property) throws DatabaseException {
365 RuntimeEnvironment runtimeEnvironment = graph.syncRequest(new RuntimeEnvironmentRequest(property.getIndexRoot(graph)));
366 return getSCLType(graph, runtimeEnvironment, getSCLTypeString(graph, property));
371 public static String getSCLTypeString(ReadGraph graph, Variable context) throws DatabaseException {
372 return getSCLTypeString(graph, context.getPossiblePredicateResource(graph), context.getRepresents(graph));
376 public static String getSCLTypeString(ReadGraph graph, Resource predicate, Resource value) throws DatabaseException {
378 if(predicate != null) {
379 String requiredValueTypes = graph.getPossibleRelatedValue(predicate, Layer0.getInstance(graph).RequiresValueType, Bindings.STRING);
380 if(requiredValueTypes != null)
381 return requiredValueTypes;
384 Layer0 L0 = Layer0.getInstance(graph);
385 Layer0X L0X = Layer0X.getInstance(graph);
387 Datatype literalDatatype = graph.getPossibleRelatedValue(value, L0.HasDataType, datatype_binging);
388 if(literalDatatype != null) return getSCLType(literalDatatype);
390 String literalValueType = graph.getPossibleRelatedValue(value, L0.HasValueType, Bindings.STRING);
391 if(literalValueType != null) return literalValueType;
393 if(predicate != null) {
395 Datatype requiredDataType = graph.getPossibleRelatedValue(predicate, L0X.RequiresDataType, datatype_binging);
396 if(requiredDataType != null) return getSCLType(requiredDataType);
398 throw new DatabaseException("Unidentified literal data type for property " + NameUtils.getURIOrSafeNameInternal(graph, predicate));
402 throw new DatabaseException("Unidentified literal data type");
406 public static Datatype getDatatype(ReadGraph graph, Variable variable) throws DatabaseException {
407 Datatype result = getPossibleDatatype(graph, variable);
408 if(result != null) return result;
409 throw new DatabaseException("Unidentified literal data type for property " + variable.getURI(graph));
412 public static Datatype getPossibleDatatype(ReadGraph graph, Variable variable) throws DatabaseException {
414 Layer0 L0 = Layer0.getInstance(graph);
415 Layer0X L0X = Layer0X.getInstance(graph);
417 Resource property = variable.getPossiblePredicateResource(graph);
418 if(property != null) {
419 // Datatype requiredDataType = graph.getPossibleRelatedValue(property, L0X.RequiresDataType, datatype_binging);
420 Datatype requiredDataType = graph.syncRequest(new PossibleRelatedValue<Datatype>(property, L0X.RequiresDataType, datatype_binging));
421 if(requiredDataType != null) return requiredDataType;
424 Resource literal = variable.getPossibleRepresents(graph);
425 if(literal != null) {
426 Datatype literalDatatype = graph.getPossibleRelatedValue2(literal, L0.HasDataType, new StandardGraphPropertyVariable(graph, variable, null, literal, L0.HasDataType), datatype_binging);
427 if(literalDatatype != null) return literalDatatype;
430 if(property != null) {
432 String requiredValueType = graph.getPossibleRelatedValue(property, L0.RequiresValueType, Bindings.STRING);
433 if(requiredValueType != null) {
434 Datatype datatype = getPossibleDatatypeForValueType(requiredValueType);
435 if(datatype != null) return datatype;
438 Resource subject = variable.getParent(graph).getPossibleRepresents(graph);
439 if(subject != null) {
440 Set<Resource> asses = new HashSet<Resource>();
441 for(Resource type : graph.getTypes(subject)) {
442 asses.addAll(graph.getAssertedObjects(type, property));
444 if(asses.size() == 1) {
445 Resource ass = asses.iterator().next();
446 Datatype dt = graph.getPossibleRelatedValue(ass, L0.HasDataType, Bindings.getBindingUnchecked(Datatype.class));
447 if(dt != null) return dt;
457 private static Datatype getPossibleDatatypeForValueType(String requiredValueType) throws DatabaseException {
459 String[] split = requiredValueType.split(" ");
460 String arrayType = null;
461 if(split.length == 2 && "Array".equals(split[0])) {
462 arrayType = split[1];
463 } else if(requiredValueType.startsWith("[") && requiredValueType.endsWith("]")) {
464 arrayType = requiredValueType.substring(1, requiredValueType.length()-1);
467 if(arrayType != null) {
468 Datatype arrayDataType = getArrayDataTypeForType(arrayType);
469 if(arrayDataType != null)
470 return arrayDataType;
473 Datatype dt = Datatypes.getDatatype(requiredValueType);
474 if(dt != null) return dt;
477 return Datatypes.translate(requiredValueType);
478 } catch (DataTypeSyntaxError e) {
485 private static Datatype getArrayDataTypeForType(String type) {
486 if("Double".equals(type)) return Datatypes.DOUBLE_ARRAY;
487 else if("String".equals(type)) return Datatypes.STRING_ARRAY;
488 else if("Integer".equals(type)) return Datatypes.INTEGER_ARRAY;
489 else if("Long".equals(type)) return Datatypes.LONG_ARRAY;
490 else if("Float".equals(type)) return Datatypes.FLOAT_ARRAY;
491 else if("Byte".equals(type)) return Datatypes.BYTE_ARRAY;
492 else if("Boolean".equals(type)) return Datatypes.BOOLEAN_ARRAY;
493 else if("Variant".equals(type)) return Datatypes.VARIANT_ARRAY;
497 public static Binding getDefaultBinding(ReadGraph graph, Variable variable) throws DatabaseException {
499 Resource property = variable.getPossiblePredicateResource(graph);
500 if(property != null) {
501 PropertyInfo info = graph.syncRequest(new PropertyInfoRequest(property), TransientCacheAsyncListener.<PropertyInfo>instance());
502 if(info.defaultBinding != null) return info.defaultBinding;
505 Datatype type = getDatatype(graph, variable);
507 throw new DatabaseException("No datatype available for variable " + variable.getURI(graph));
508 return Bindings.getBinding(type);
512 public static Binding getPossibleDefaultBinding(ReadGraph graph, Variable variable) throws DatabaseException {
514 Resource property = variable.getPossiblePredicateResource(graph);
515 if(property != null) {
516 PropertyInfo info = graph.syncRequest(new PropertyInfoRequest(property), TransientCacheAsyncListener.<PropertyInfo>instance());
517 if(info.defaultBinding != null) return info.defaultBinding;
520 Datatype type = getPossibleDatatype(graph, variable);
521 if (type == null) return null;
523 return Bindings.getBinding(type);
527 public static String getPossibleUnit(Datatype dt) {
530 else if (dt instanceof NumberType) {
531 return ((NumberType) dt).getUnit();
532 } else if (dt instanceof ArrayType) {
533 ArrayType at = (ArrayType) dt;
534 Datatype cdt = at.componentType();
535 if (cdt instanceof NumberType) {
536 return ((NumberType) cdt).getUnit();
543 public static String getUnit(ReadGraph graph, Variable variable) throws DatabaseException {
545 Layer0 L0 = Layer0.getInstance(graph);
546 Layer0X L0X = Layer0X.getInstance(graph);
548 Resource literal = variable.getPossibleRepresents(graph);
552 Datatype literalDatatype = graph.getPossibleRelatedValue2(literal, L0.HasDataType, new StandardGraphPropertyVariable(graph, variable, null, literal, L0.HasDataType), datatype_binging);
553 if(literalDatatype != null) {
554 String unit = getPossibleUnit(literalDatatype);
555 if(unit != null) return unit;
558 Resource property = variable.getPossiblePredicateResource(graph);
559 if(property != null) {
561 Datatype requiredDataType = graph.getPossibleRelatedValue(property, L0X.RequiresDataType, datatype_binging);
562 if(requiredDataType != null) {
563 String unit = getPossibleUnit(requiredDataType);
564 if(unit != null) return unit;
573 public static void claimAdaptedValue(WriteGraph graph, Resource objectResource, Object value, Binding binding, Datatype targetDatatype) throws DatabaseException {
577 Datatype sourceDatatype = binding.type();
578 if(sourceDatatype.equals(targetDatatype)) {
579 graph.claimValue(objectResource, value, binding);
581 Binding target = Bindings.getBinding(targetDatatype);
582 Adapter adapter = Bindings.getTypeAdapter(binding, target);
583 graph.claimValue(objectResource, adapter.adapt(value), target);
586 } catch (AdapterConstructionException e) {
587 throw new DatabaseException(e);
588 } catch (AdaptException e) {
589 throw new DatabaseException(e);
594 public static String toString(Object value, Binding binding) throws DatabaseException {
596 if(value instanceof String) return (String)value;
597 StringBuilder sb = new StringBuilder();
598 DataValueRepository rep = new DataValueRepository();
599 binding.printValue(value, sb, rep, false);
600 return sb.toString();
601 } catch (BindingException e) {
602 throw new DatabaseException(e);
603 } catch (IOException e) {
604 throw new DatabaseException(e);
608 public static Object parseValue(String text, Binding binding) throws DatabaseException {
610 if(binding.isInstance(text)) return text;
611 DataValueRepository rep = new DataValueRepository();
612 return binding.parseValue(text, rep);
613 } catch (BindingException e) {
614 throw new DatabaseException(e);
615 } catch (DataTypeSyntaxError e) {
616 throw new DatabaseException(e);
620 @SuppressWarnings("unchecked")
621 public static <T> T getValueAdaptedToBinding(ReadGraph graph, Resource literal, Binding targetBinding) throws DatabaseException {
622 Datatype sourceDatatype = graph.getDataType(literal);
623 Datatype targetDatatype = targetBinding.type();
624 if (sourceDatatype.equals(targetDatatype))
625 return graph.getValue(literal, targetBinding);
627 Binding sourceBinding = Bindings.getBinding(sourceDatatype);
629 Adapter adapter = Bindings.adapterFactory.getAdapter(Bindings.getBinding(sourceDatatype), targetBinding, true, false);
630 Object value = graph.getValue(literal, sourceBinding);
631 return (T) adapter.adaptUnchecked(value);
632 } catch (AdapterConstructionException e) {
633 throw new DatabaseException(e);
637 public static Statement getStatementInLocal(Resource subject, Statement statement) {
638 if(statement.isAsserted(subject)) return new StandardStatement(subject, statement.getPredicate(), statement.getObject());
639 else return statement;
642 public static Resource browsePossible(ReadGraph graph, Resource root, String suffix) throws DatabaseException {
643 return graph.getPossibleResource(graph.getURI(root) + suffix);
646 public static Resource getPossibleChild(ReadGraph graph, Resource resource, String name) throws DatabaseException {
647 return graph.sync(new PossibleChild(resource, name));
650 public static Resource getPossibleChild(ReadGraph graph, Resource resource, Resource type, String name) throws DatabaseException {
651 Resource child = graph.sync(new PossibleChild(resource, name));
652 if(child == null) return null;
653 if(!graph.isInstanceOf(child, type)) return null;
657 public static RelationContext relationContext(ReadGraph graph, Resource subject, Resource predicate) throws DatabaseException {
658 Statement stm = graph.getSingleStatement(subject, predicate);
659 return new RelationContextImpl(subject, stm);
662 public static RelationContext relationContext(Statement stm) throws DatabaseException {
663 return new RelationContextImpl(stm.getSubject(), stm);
666 public static <T> T valueInRelationContext(ReadGraph graph, Resource subject, Statement stm) throws DatabaseException {
667 return graph.getValue2(subject, Layer0Utils.relationContext(stm));
670 public static <T> T valueInRelationContext(ReadGraph graph, Resource subject, Statement stm, Binding binding) throws DatabaseException {
671 return graph.getValue2(subject, Layer0Utils.relationContext(stm), binding);
674 public static <T> T relatedValueInRelationContext(ReadGraph graph, Resource subject, Resource relation) throws DatabaseException {
675 Statement stm = getStatementInLocal(subject, graph.getSingleStatement(subject, relation));
676 return valueInRelationContext(graph, stm.getObject(), stm);
679 public static <T> T relatedValueInRelationContext(ReadGraph graph, Resource subject, Resource relation, Binding binding) throws DatabaseException {
680 Statement stm = getStatementInLocal(subject, graph.getSingleStatement(subject, relation));
681 return valueInRelationContext(graph, stm.getObject(), stm, binding);
684 public static Statement possibleObtainedStatementInternal(ReadGraph graph, Resource subject, Resource relation) throws DatabaseException {
686 Layer0X L0X = Layer0X.getInstance(graph);
688 for(Resource ob : graph.getObjects(subject, L0X.DefinesObtainedStatement)) {
689 Resource pred = graph.getSingleObject(ob, L0X.ObtainedStatement_predicate);
690 if(graph.isSubrelationOf(pred, relation)) {
691 Resource object = graph.getSingleObject(ob, L0X.ObtainedStatement_object);
692 return new StandardStatement(subject, pred, object);
696 ArrayList<OrderedResource> order = new ArrayList<OrderedResource>();
697 for(Statement stm : graph.getStatements(subject, L0X.ObtainsProperty)) {
698 Integer position = graph.getRelatedValue(stm.getPredicate(), L0X.NaturalNumberOrderRelation, Bindings.INTEGER);
699 order.add(new OrderedResource(position, stm.getObject()));
702 for(OrderedResource or : order) {
703 Statement stm = possibleObtainedStatementInternal(graph, or.r, relation);
704 if(stm != null) return stm;
711 public static <T> T possibleObtainedValue(ReadGraph graph, RelationContext ctx, Binding binding) throws DatabaseException {
713 Statement stm = ctx.getStatement();
714 Statement obj = Layer0Utils.possibleObtainedStatementInternal(graph, stm.getSubject(), stm.getPredicate());
717 return Layer0Utils.valueInRelationContext(graph, obj.getObject(), obj, binding);
724 public static void addObtainedStatement(WriteGraph graph, Resource subject, Resource predicate, Resource object) throws DatabaseException {
725 Layer0 L0 = Layer0.getInstance(graph);
726 Layer0X L0X = Layer0X.getInstance(graph);
727 Resource ob = graph.newResource();
728 graph.claim(ob, L0.InstanceOf, null, L0X.ObtainedStatement);
729 graph.claim(ob, L0X.ObtainedStatement_predicate, null, predicate);
730 graph.claim(ob, L0X.ObtainedStatement_object, null, object);
731 graph.claim(subject, L0X.DefinesObtainedStatement, null, ob);
734 public static void addObtainedValue(WriteGraph graph, Resource subject, Resource predicate, Resource type, Object value, Binding binding) throws DatabaseException {
735 Layer0 L0 = Layer0.getInstance(graph);
736 Resource object = graph.newResource();
737 graph.claim(object, L0.InstanceOf, type);
738 graph.claimValue(object, value, binding);
739 Layer0Utils.addObtainedStatement(graph, subject, predicate, object);
742 //-------------------------------------------------------------------------
743 // Indexing state query utilities idle handling utilities
744 //-------------------------------------------------------------------------
747 * This method waits until the indexing engine becomes idle.
750 public static void waitIndexPending() {
751 Indexing.waitIndexPending();
755 * @param graph an active database write handle to prove one is in a write
756 * transaction and wants to disable dependencies indexing for this
758 * @return previous value
761 public static boolean setDependenciesIndexingDisabled(WriteOnlyGraph graph, boolean disabled) {
762 return Indexing.setDependenciesIndexingDisabled(graph, disabled);
765 public static String undo() throws DatabaseException {
767 Session session = SimanticsInternal.getSession();
769 UndoRedoSupport support = session.getService(UndoRedoSupport.class);
771 List<Operation> ops = support.undoAndReturnOperations(session, 1);
773 return "Undo history is empty.";
775 Operation mainOperation = ops.get(0);
777 long csId = mainOperation.getCSId();
779 ManagementSupport management = session.getService(ManagementSupport.class);
780 Collection<ChangeSetIdentifier> ids = management.getChangeSetIdentifiers(csId, csId);
782 return "Undo reverted " + ids.size() + " change sets.";
786 public static String undoOperations(int amountOfOperations) throws DatabaseException {
788 Session session = SimanticsInternal.getSession();
790 UndoRedoSupport support = session.getService(UndoRedoSupport.class);
792 List<Operation> ops = support.undoAndReturnOperations(session, amountOfOperations);
794 return "Undo history is empty.";
796 Operation mainOperation = ops.get(0);
798 long csId = mainOperation.getCSId();
800 ManagementSupport management = session.getService(ManagementSupport.class);
801 Collection<ChangeSetIdentifier> ids = management.getChangeSetIdentifiers(csId, csId);
803 return "Undo reverted " + ids.size() + " change sets.";
807 public static String redo() throws DatabaseException {
809 Session session = SimanticsInternal.getSession();
811 UndoRedoSupport support = session.getService(UndoRedoSupport.class);
813 List<Operation> ops = support.redo(session, 1);
815 return "Redo history is empty.";
817 Operation mainOperation = ops.get(0);
819 long csId = mainOperation.getCSId();
821 ManagementSupport management = session.getService(ManagementSupport.class);
822 Collection<ChangeSetIdentifier> ids = management.getChangeSetIdentifiers(csId, csId);
824 return "Redo redid " + ids.size() + " change sets.";
828 public static String getComment(Session session, ChangeSetIdentifier id) {
829 byte[] data = id.getMetadata().get(CommentMetadata.class.getName());
831 return "Undescribed operation.";
832 String comment = CommentMetadata.deserialise(session, data).toString().trim();
833 if(comment.isEmpty())
834 return "Undescribed operation.";
839 * This method adds CommentMetadata for write transaction. CommentMetadata is used e.g. in Undo view.
844 * @throws ServiceException
846 public static void addCommentMetadata(WriteOnlyGraph graph, String string) throws ServiceException {
847 // Add a comment to metadata.
848 CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
849 graph.addMetadata(cm.add(ObjectUtils.toString(string)));
852 //-------------------------------------------------------------------------
855 * Copy the specified source resource into the specified container using the
856 * specified write transaction handle.
858 * @param graph write transaction handle
859 * @param targetContainer target container resource of the created copy. The
860 * exact logic of how the copy will be contained by the target
861 * container is up to the PasteHandler to decide
862 * @param source the source resource to copy
863 * @throws DatabaseException
866 public static Collection<Resource> copyTo(WriteGraph graph, Resource targetContainer, Resource source) throws DatabaseException {
867 return copyTo(graph, targetContainer, source, null, null, null);
870 public static Collection<Resource> copyTo(WriteGraph graph, Resource targetContainer, Resource source, PasteEventHandler handler) throws DatabaseException {
871 return copyTo(graph, targetContainer, source, handler, null, null);
874 public static Collection<Resource> copyTo(WriteGraph graph, Resource targetContainer, Resource source, PasteEventHandler handler, CopyHandler copyHandler, PasteHandler pasteHandler) throws DatabaseException {
875 if(copyHandler == null) copyHandler = graph.adapt(source, CopyHandler.class);
876 return copyTo(graph, targetContainer, handler, copyHandler, pasteHandler);
879 public static Collection<Resource> copyTo(WriteGraph graph, Resource targetContainer, PasteEventHandler handler, CopyHandler copyHandler, PasteHandler pasteHandler) throws DatabaseException {
880 SimanticsClipboardImpl clipboard = new SimanticsClipboardImpl();
881 copyHandler.copyToClipboard(graph, clipboard);
882 if(targetContainer != null) {
883 if(pasteHandler == null) pasteHandler = graph.adapt(targetContainer, PasteHandler.class);
884 return pasteHandler.pasteFromClipboard(graph, clipboard, handler);
886 DefaultPasteHandler ph = new DefaultPasteHandler(null);
887 return ph.pasteFromClipboard(graph, clipboard, handler);
891 public static CopyHandler2 getPossibleCopyHandler(ReadGraph graph, Collection<Resource> rs) throws DatabaseException {
892 CopyHandler2 ch = null;
893 for(Resource r : rs) {
895 CopyHandler ch2_ = graph.adapt(r, CopyHandler.class);
896 if(ch2_ instanceof CopyHandler2) {
897 ch = (CopyHandler2)ch2_;
900 CopyHandler ch2_ = graph.adapt(r, CopyHandler.class);
901 if(ch2_ instanceof CopyHandler2) {
902 CopyHandler2 ch2 = (CopyHandler2)ch2_;
903 ch = ch.combine(ch2);
910 public static ClusterCollectorPolicy setClusterCollectorPolicy(ClusterCollectorPolicy policy) {
911 Session session = SimanticsInternal.getSession();
912 ClusterControl cc = session.getService(ClusterControl.class);
913 return cc.setPolicy(policy);
916 private static String decodeType(ReadGraph graph, Variable variable) throws DatabaseException {
917 Datatype dt = getDatatype(graph, variable);
918 return dt.toSingleLineString();
921 private static boolean isAsserted(ReadGraph graph, Resource subject, Resource predicate) throws DatabaseException {
922 Statement stm = graph.getPossibleStatement(subject, predicate);
923 return stm != null && stm.isAsserted(subject);
926 public static void setExpression(WriteGraph graph, Variable context, String text, Resource expressionValueType) throws DatabaseException {
928 Resource value = context.getRepresents(graph);
929 Resource predicateResource = context.getPredicateResource(graph);
930 Variable parent = context.getParent(graph);
931 Resource parentResource = parent.getRepresents(graph);
932 setExpression(graph, parentResource, predicateResource, value, text, expressionValueType);
936 public static void setExpression(WriteGraph graph, Resource parentResource, Resource predicateResource, Resource value, String text, Resource expressionValueType) throws DatabaseException {
938 Layer0 L0 = Layer0.getInstance(graph);
939 boolean hasExpression = graph.isInstanceOf(value, expressionValueType);
940 String t = getSCLTypeString(graph, predicateResource, value);
941 String expression = text.substring(1).trim();
942 if(isAsserted(graph, parentResource, predicateResource)) {
943 Resource newValue = graph.newResource();
944 graph.claim(newValue, L0.InstanceOf, expressionValueType);
945 graph.claimLiteral(newValue, L0.HasValueType, t, Bindings.STRING);
946 graph.claimLiteral(newValue, L0.SCLValue_expression, expression, Bindings.STRING);
947 graph.claim(parentResource, predicateResource, newValue);
950 graph.claimLiteral(value, L0.SCLValue_expression, expression, Bindings.STRING);
952 Resource newValue = graph.newResource();
953 graph.claim(newValue, L0.InstanceOf, expressionValueType);
954 graph.claimLiteral(newValue, L0.HasValueType, t, Bindings.STRING);
955 graph.claimLiteral(newValue, L0.SCLValue_expression, expression, Bindings.STRING);
956 graph.deny(parentResource, predicateResource);
957 graph.claim(parentResource, predicateResource, newValue);
963 public static void clearExpression(WriteGraph graph, Variable property, Resource expressionValueType) throws DatabaseException {
965 Resource object = property.getPossibleRepresents(graph);
967 boolean hasExpression = graph.isInstanceOf(object, expressionValueType);
969 // There was an expression and now we go back to a value
970 Resource subject = property.getParent(graph).getPossibleRepresents(graph);
971 if(subject != null) {
972 Resource predicate = property.getPossiblePredicateResource(graph);
973 if(predicate != null) {
974 graph.deny(subject, predicate, object);
975 RemoverUtil.remove(graph, object);
983 public static boolean setOrClearExpression(WriteGraph graph, Variable property, String text, Resource expressionValueType) throws DatabaseException {
985 if(text.startsWith("=")) {
986 setExpression(graph, property, text, expressionValueType);
990 clearExpression(graph, property, expressionValueType);
996 public static void setValueAsString(WriteGraph graph, Variable property, String text, Resource expressionValueType) throws DatabaseException {
1000 if (setOrClearExpression(graph, property, text, expressionValueType))
1003 Object value = text;
1004 Datatype type = property.getPossibleDatatype(graph);
1007 Binding binding = Bindings.getBinding(type);
1009 if (binding instanceof StringBinding) {
1011 if (binding instanceof MutableStringBinding)
1012 value = new MutableString(text);
1018 if (binding instanceof NumberBinding) {
1019 text = text.replace(",", ".");
1022 value = binding.parseValue(text, new DataValueRepository());
1026 property.setValue(graph, value, binding);
1030 property.setValue(graph, value);
1034 // Add a comment to metadata.
1035 CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
1036 graph.addMetadata(cm.add("Set value " + ObjectUtils.toString(value)));
1038 } catch (DataTypeSyntaxError e) {
1039 throw new DatabaseException(e);
1040 } catch (BindingException e) {
1041 throw new DatabaseException(e);
1047 public static String queryDebugSupport(String query) {
1048 Session session = SimanticsInternal.getSession();
1049 DebugSupport ds = session.getService(DebugSupport.class);
1050 return ds.query(session, "exec " + query);
1053 public static String queryListSupport (String query) {
1054 Session session = SimanticsInternal.getSession();
1055 DebugSupport ds = session.getService(DebugSupport.class);
1056 return ds.query(session, "list " + query);
1059 final public static Function1<Resource,Resource> resourceCluster = new FunctionImpl1<Resource, Resource>() {
1061 public Resource apply(Resource p0) {
1066 public static void sort(ReadGraph graph, List<Resource> collection) {
1067 CollectionSupport cos = graph.getService(CollectionSupport.class);
1068 cos.sort(collection);
1071 public static List<Resource> sortByCluster(ReadGraph graph, Collection<Resource> collection) {
1072 CollectionSupport cos = graph.getService(CollectionSupport.class);
1073 return cos.asSortedList(collection);
1076 public static List<Object> sortByCluster(final ReadGraph graph, List<Object> list, final Function1<Object,Resource> fn) {
1077 final ClusteringSupport cs = graph.getService(ClusteringSupport.class);
1078 ArrayList<Object> result = new ArrayList<Object>(list);
1079 Collections.sort(result, new Comparator<Object>() {
1082 public int compare(Object o1, Object o2) {
1083 Resource r1 = fn.apply(o1);
1084 Resource r2 = fn.apply(o2);
1085 long l1 = cs.getCluster(r1);
1086 long l2 = cs.getCluster(r2);
1087 if(l1 < l2) return -1;
1088 else if (l1 > l2) return 1;
1096 public static <T> List<T> sortByClusterT(final ReadGraph graph, Collection<T> list, final Function1<T,Resource> fn) {
1097 final ClusteringSupport cs = graph.getService(ClusteringSupport.class);
1098 ArrayList<T> result = new ArrayList<T>(list);
1099 Collections.sort(result, new Comparator<Object>() {
1102 public int compare(Object o1, Object o2) {
1103 Resource r1 = fn.apply((T)o1);
1104 Resource r2 = fn.apply((T)o2);
1105 long l1 = cs.getCluster(r1);
1106 long l2 = cs.getCluster(r2);
1107 if(l1 < l2) return -1;
1108 else if (l1 > l2) return 1;
1116 public static void makeSynchronous(ReadGraph graph, boolean value) throws DatabaseException {
1117 graph.setSynchronous(value);
1120 public static Set<Resource> listIndexRoots(ReadGraph graph) throws DatabaseException {
1122 Layer0 L0 = Layer0.getInstance(graph);
1124 Set<Resource> indexRoots = new TreeSet<Resource>();
1125 indexRoots.addAll(Layer0Utils.listOntologies(graph));
1126 indexRoots.addAll(graph.syncRequest(new ObjectsWithType(SimanticsInternal.getProject(), L0.ConsistsOf, L0.IndexRoot)));
1131 public static List<Resource> listOntologies(ReadGraph graph) throws DatabaseException {
1132 return graph.syncRequest(new OntologiesFromLibrary(graph.getRootLibrary()));
1135 public static List<Resource> listGlobalOntologies(ReadGraph graph) throws DatabaseException {
1136 return graph.syncRequest(new GlobalOntologies(graph.getRootLibrary()));
1139 public static <T> T applySCL(String module, String function, ReadGraph graph, Object ... args) throws DatabaseException {
1142 SCL_GRAPH.set(graph);
1143 T t = (T)((Function)SCLOsgi.MODULE_REPOSITORY.getValue(module + "/" + function)).applyArray(args);
1144 SCL_GRAPH.set(null);
1146 } catch (Throwable t) {
1147 throw new DatabaseException(t);
1152 public static boolean isContainerPublished(ReadGraph graph, Variable variable) throws DatabaseException {
1154 Resource indexRoot = graph.syncRequest(new PossibleVariableIndexRoot(variable));
1155 if(indexRoot == null) return false;
1156 if(variable.equals(indexRoot)) return false;
1157 return isPublished(graph, indexRoot);
1161 public static boolean isContainerPublished(ReadGraph graph, Resource resource) throws DatabaseException {
1163 Resource indexRoot = graph.syncRequest(new PossibleIndexRoot(resource));
1164 if(indexRoot == null) return false;
1165 if(resource.equals(indexRoot)) return false;
1166 return isPublished(graph, indexRoot);
1170 public static boolean isPublished(ReadGraph graph, Resource resource) throws DatabaseException {
1172 Layer0 L0 = Layer0.getInstance(graph);
1173 Boolean value = graph.getPossibleRelatedValue(resource, L0.Entity_published, Bindings.BOOLEAN);
1174 if(value != null && value) return true;
1176 // This is safety - root should not be published it child is not
1177 Resource root = graph.syncRequest(new PossibleIndexRoot(resource));
1179 value = graph.getPossibleRelatedValue(root, L0.Entity_published, Bindings.BOOLEAN);
1180 if(value != null && value) return true;
1187 private static TransferableGraph1 makeTG(ReadGraph graph, Resource r) throws DatabaseException {
1189 SimanticsClipboardImpl cp = new SimanticsClipboardImpl();
1190 CopyHandler c1 = graph.adapt(r, CopyHandler.class);
1191 c1.copyToClipboard(graph, cp);
1192 Collection<Set<Representation>> reps = cp.getContents();
1193 if(reps.size() != 1) return null;
1194 return ClipboardUtils.accept(graph, reps.iterator().next(), SimanticsKeys.KEY_TRANSFERABLE_GRAPH);
1198 public static TransferableGraphSource makeTGSource(ReadGraph graph, Resource r) throws DatabaseException {
1200 SimanticsClipboardImpl cp = new SimanticsClipboardImpl();
1201 CopyHandler c1 = graph.adapt(r, CopyHandler.class);
1202 c1.copyToClipboard(graph, cp);
1203 Collection<Set<Representation>> reps = cp.getContents();
1204 if(reps.size() != 1) return null;
1205 return ClipboardUtils.accept(graph, reps.iterator().next(), SimanticsKeys.KEY_TRANSFERABLE_GRAPH_SOURCE);
1210 * Modifies target to resemble source.
1212 public static boolean merge(WriteGraph graph, Resource source, Resource target) throws DatabaseException {
1214 TransferableGraphSource tgs1 = makeTGSource(graph, target);
1215 TransferableGraph1 tg1 = TransferableGraphs.create(graph, tgs1);
1216 TransferableGraph1 tg2 = makeTG(graph, source);
1218 GraphRefactoringUtils.fixIncorrectRoot(tg1.identities);
1219 GraphRefactoringUtils.fixIncorrectRoot(tg2.identities);
1221 ModelTransferableGraphSource mtgs = (ModelTransferableGraphSource)tgs1;
1223 Diff diff = new Diff(tg1, tg2);
1224 TransferableGraphDelta1 delta = diff.diff();
1226 long[] oldResources = mtgs.getResourceArray(graph);
1227 if(TransferableGraphs.hasChanges(graph, oldResources, delta)) {
1228 TransferableGraphs.applyDelta(graph, mtgs.getResourceArray(graph), delta);
1236 public static Resource inferLiteralTypeFromString(ReadGraph graph, String text) {
1237 return Layer0.getInstance(graph).String;
1240 public static void emptyTrashBin() throws ServiceException {
1241 emptyTrashBin(new NullProgressMonitor());
1244 public static void emptyTrashBin(IProgressMonitor monitor) throws ServiceException {
1245 emptyTrashBin(monitor, SimanticsInternal.getSession(), SimanticsInternal.getProject());
1248 public static void emptyTrashBin(final IProgressMonitor monitor, Session session, final Resource project) throws ServiceException {
1249 final SubMonitor mon = SubMonitor.convert(monitor, "Emptying Trash Bin...", 10000);
1251 session.syncRequest(new DelayedWriteRequest() {
1253 public void perform(WriteGraph graph) throws DatabaseException {
1254 Layer0Utils.setDependenciesIndexingDisabled(graph, true);
1255 Layer0 L0 = Layer0.getInstance(graph);
1256 Layer0X L0X = Layer0X.getInstance(graph);
1257 Resource parent = graph.getSingleObject(project, L0.PartOf);
1258 Resource trashBin = Layer0Utils.getPossibleChild(graph, parent, "TrashBin");
1259 Collection<Resource> trashes = trashBin != null
1260 ? graph.getObjects(trashBin, L0.ConsistsOf)
1261 : Collections.<Resource>emptyList();
1262 if (trashes.isEmpty())
1263 throw new CancelTransactionException();
1264 mon.setWorkRemaining((2 + trashes.size()) * 1000);
1265 for(Resource trash : trashes) {
1266 if (mon.isCanceled())
1267 throw new CancelTransactionException();
1268 mon.subTask(NameUtils.getSafeName(graph, trash));
1269 TGRemover remo = new TGRemover(mon.newChild(1000, SubMonitor.SUPPRESS_ALL_LABELS), trash);
1271 if(graph.isInstanceOf(trash, L0.IndexRoot)) {
1272 // TODO: this should be an utility
1273 GenericRelationIndex index = graph.adapt(L0X.DependenciesRelation, GenericRelationIndex.class);
1274 IndexedRelations ir = graph.getService(IndexedRelations.class);
1275 // Deletes index files
1276 ir.reset(null, graph, L0X.DependenciesRelation, trash);
1277 // Notifies DB listeners
1278 index.reset(graph, trash);
1281 if (mon.isCanceled())
1282 throw new CancelTransactionException();
1283 mon.subTask("Committing Changes");
1287 if (mon.isCanceled())
1289 mon.subTask("Purging Database");
1291 purgeDatabase(monitor, session);
1292 } catch (CancelTransactionException e) {
1294 } catch (DatabaseException e) {
1295 throw new ServiceException(e);
1299 public static void purgeDatabase() throws ServiceException {
1300 purgeDatabase(new NullProgressMonitor());
1303 public static void purgeDatabase(final IProgressMonitor monitor) throws ServiceException {
1304 purgeDatabase(monitor, SimanticsInternal.getSession());
1307 public static void purgeDatabase(final IProgressMonitor monitor, Session session) throws ServiceException {
1309 XSupport xs = session.getService(XSupport.class);
1311 } catch (DatabaseException e) {
1312 throw new ServiceException(e);
1316 public static Resource getSingleDomainOf(ReadGraph graph, Resource type, Resource target) throws DatabaseException {
1317 Resource result = null;
1318 for(Resource candidate : getDomainOf(graph, type).values()) {
1319 if(graph.isInstanceOf(candidate, target)) {
1320 if(result != null) throw new DatabaseException("Multiple relations found for target " + graph.getURI(target) + " in type " + graph.getURI(type));
1321 else result = candidate;
1324 if(result == null) throw new DatabaseException("Multiple relations found for target " + graph.getURI(target) + " in type " + graph.getURI(type));
1328 public static Map<String, Resource> getDomainOf(ReadGraph graph, Resource type) throws DatabaseException {
1329 CollectionSupport cs = graph.getService(CollectionSupport.class);
1330 Map<String, Resource> result = cs.createObjectResourceMap(String.class);
1331 Layer0 L0 = Layer0.getInstance(graph);
1332 for(Resource r : graph.getObjects(type, L0.DomainOf)) {
1333 String name = graph.getPossibleRelatedValue(r, L0.HasName, Bindings.STRING);
1334 if(name != null) result.put(name, r);
1336 for(Resource t : graph.getSupertypes(type)) {
1337 for(Resource r : graph.getObjects(t, L0.DomainOf)) {
1338 String name = graph.getPossibleRelatedValue(r, L0.HasName, Bindings.STRING);
1339 if(name != null) result.put(name, r);
1345 public static Resource getPossiblePredicateByName(ReadGraph graph, Resource instance, String predicateName) throws DatabaseException {
1346 for(Resource type : graph.getPrincipalTypes(instance)) {
1347 Map<String, Resource> domainOf = getDomainOf(graph, type);
1348 Resource predicate = domainOf.get(predicateName);
1349 if(predicate != null) return predicate;
1354 public static Resource getPossiblePredicateByLabel(ReadGraph graph, Resource instance, String predicateName) throws DatabaseException {
1355 Layer0 L0 = Layer0.getInstance(graph);
1356 for(Resource type : graph.getPrincipalTypes(instance)) {
1357 Map<String, Resource> domainOf = getDomainOf(graph, type);
1358 for(Resource r : domainOf.values()) {
1359 String label = graph.getPossibleRelatedValue(r, L0.HasLabel, Bindings.STRING);
1360 if(predicateName.equals(label))
1367 public static void claimLiteralDataboard(WriteGraph graph, Resource container, Resource property, String valueText) throws DatabaseException {
1370 PropertyInfo pi = graph.syncRequest(new PropertyInfoRequest(property));
1371 if(pi.literalRange == null) throw new DatabaseException("No suitable literal type defined as range for property.");
1372 if(pi.defaultBinding == null) throw new DatabaseException("No suitable default binding for property.");
1373 Object value = pi.defaultBinding.parseValue(valueText, new DataValueRepository());
1374 graph.claimLiteral(container, property, pi.literalRange, value, pi.defaultBinding);
1375 } catch (DataTypeSyntaxError e) {
1376 throw new DatabaseException(e);
1377 } catch (BindingException e) {
1378 throw new DatabaseException(e);
1383 public static String prettyPrintResource(ReadGraph graph, Resource resource, boolean ignoreIdentifiers) throws Exception {
1384 TransferableGraphSource source = makeTGSource(graph, resource);
1385 TransferableGraph1 tg = TransferableGraphs.create(graph, source);
1386 GraphRefactoringUtils.fixOntologyExport(tg);
1387 System.out.println("Printing resoure " + graph.getURI(resource));
1388 return PrettyPrintTG.print(tg, ignoreIdentifiers);
1392 * Adds a random {@link GUID} as a value for <code>L0.identifier</code>
1396 * for which the identifier is added
1398 * <code>true</code> to invoke addLiteral, <code>false</code> to
1399 * invoke claimLiteral
1400 * @throws DatabaseException
1402 public static void claimNewIdentifier(WriteGraph graph, Resource component, boolean add) throws DatabaseException {
1403 Layer0 L0 = Layer0.getInstance(graph);
1404 GUID guid = GUID.random();
1406 graph.addLiteral(component, L0.identifier, L0.identifier_Inverse, L0.GUID, guid, GUID.BINDING);
1408 graph.claimLiteral(component, L0.identifier, L0.identifier_Inverse, L0.GUID, guid, GUID.BINDING);
1412 * Sets a new random unique identifier for the specified entity if it already
1413 * has an identifier. If the entity does not have a previous identifier, nothing
1418 * for which the identifier is added
1419 * @return <code>true</code> if the identifier was renewed, <code>false</code>
1421 * @throws DatabaseException
1422 * @see {@link #claimNewIdentifier(WriteGraph, Resource, boolean)}
1424 public static boolean renewIdentifier(WriteGraph graph, Resource entity) throws DatabaseException {
1425 Layer0 L0 = Layer0.getInstance(graph);
1426 Statement stm = graph.getPossibleStatement(entity, L0.identifier);
1428 graph.claimValue(stm.getObject(), GUID.random(), GUID.BINDING);