use of com.inova8.intelligentgraph.context.CustomQueryOptions in project com.inova8.intelligentgraph by peterjohnlawrence.
the class IntelligentGraphEvaluator method nextGraph.
/**
* Next graph.
*
* @return the binding set
*/
private BindingSet nextGraph() {
BindingSet nextBindingSet = getEvaluator().next();
try {
if (nextBindingSet.hasBinding("subject") && nextBindingSet.hasBinding("predicate") && nextBindingSet.hasBinding("object")) {
if (nextBindingSet.getValue("object").isLiteral()) {
SimpleLiteral literalValue = (SimpleLiteral) (nextBindingSet.getValue("object"));
if (Evaluator.getEngineNames().containsKey(literalValue.getDatatype())) {
QueryBindingSet modifiedBindingSet = new QueryBindingSet();
modifiedBindingSet.addBinding(nextBindingSet.getBinding("subject"));
modifiedBindingSet.addBinding(nextBindingSet.getBinding("predicate"));
IntelligentGraphRepository source = getSource();
EvaluationContext evaluationContext = new EvaluationContext(customQueryOptions, getDataset());
Thing subjectThing = Thing.create(source, nextBindingSet.getValue("subject"), evaluationContext);
try {
// TODOcom.inova8.intelligentgraph.model.Resource fact = subjectThing.getFact( (IRI) nextBindingSet.getValue("predicate"), literalValue,customQueryOptions);
com.inova8.intelligentgraph.model.Resource fact = IntelligentEvaluator.processFactObjectValue(subjectThing, (IRI) nextBindingSet.getValue("predicate"), literalValue, customQueryOptions);
Binding modifiedBindingValue = new SimpleBinding("object", fact.getValue());
modifiedBindingSet.addBinding(modifiedBindingValue);
return modifiedBindingSet;
} catch (Exception e) {
Binding modifiedBindingValue = new SimpleBinding("object", literal(StringEscapeUtils.escapeEcmaScript(e.getMessage())));
// literal(e.getMessage()));
modifiedBindingSet.addBinding(modifiedBindingValue);
return modifiedBindingSet;
}
} else {
return locateCustomQueryOptions(nextBindingSet);
}
} else {
return locateCustomQueryOptions(nextBindingSet);
}
} else {
// Incomplete s p o within dataset so could not calculate
return nextBindingSet;
}
} catch (Exception e) {
// Should not be any exceptions that are not handled, but even so ...
return nextBindingSet;
}
}
use of com.inova8.intelligentgraph.context.CustomQueryOptions in project com.inova8.intelligentgraph by peterjohnlawrence.
the class IntelligentGraphEvaluator method nextTuple.
/**
* Next tuple.
*
* @return the binding set
* @throws QueryEvaluationException the query evaluation exception
*/
@SuppressWarnings("deprecation")
private BindingSet nextTuple() throws QueryEvaluationException {
BindingSet nextBindingSet = getEvaluator().next();
// Iterations.asSet(evaluator)
QueryBindingSet modifiedBindingSet = new QueryBindingSet();
for (Binding bindingValue : nextBindingSet) {
// Only add bindings that were in the original projection
String modifiedBindingValueName = requiredElement(bindingValue);
if (modifiedBindingValueName != null) {
if (bindingValue.getValue().isLiteral()) {
SimpleLiteral literalValue = (SimpleLiteral) (bindingValue.getValue());
if (Evaluator.getEngineNames().containsKey(literalValue.getDatatype())) {
String bindingValueName = bindingValue.getName();
List<StatementPattern> statementPatterns = SubjectPredicateCollector.process(getTupleExpr(), bindingValueName);
if (!statementPatterns.isEmpty()) {
// TODO not all variables need be in projection list so will not match, need the full list of variables to complete this
StatementPattern boundStatement = findBound(statementPatterns, nextBindingSet);
if (boundStatement != null) {
Value subject = getSubjectValue(boundStatement, nextBindingSet);
IRI predicate = getPredicateValue(boundStatement, nextBindingSet);
ResponseType responseType = getResponseType(bindingValueName);
customQueryOptions = getCustomQueryOptions(nextBindingSet);
EvaluationContext evaluationContext = new EvaluationContext(customQueryOptions, getDataset());
switch(responseType) {
case VALUE:
Thing subjectThing = Thing.create(getSource(), subject, evaluationContext);
try {
// TODOcom.inova8.intelligentgraph.model.Resource fact = subjectThing.getFact(predicate, literalValue,customQueryOptions);
com.inova8.intelligentgraph.model.Resource fact = IntelligentEvaluator.processFactObjectValue(subjectThing, predicate, literalValue, customQueryOptions);
Binding modifiedBindingValue = new SimpleBinding(modifiedBindingValueName, fact.getValue());
modifiedBindingSet.addBinding(modifiedBindingValue);
} catch (Exception e) {
Binding modifiedBindingValue = new SimpleBinding(modifiedBindingValueName, literal(StringEscapeUtils.escapeEcmaScript(e.getMessage())));
modifiedBindingSet.addBinding(modifiedBindingValue);
}
break;
case SCRIPT:
modifiedBindingSet.addBinding(bindingValue);
break;
case TRACE:
evaluationContext.setTracing(true);
Thing subjectThingTrace = Thing.create(getSource(), subject, evaluationContext);
try {
// TODO subjectThingTrace.getFact(predicate,literalValue,customQueryOptions);
IntelligentEvaluator.processFactObjectValue(subjectThingTrace, predicate, literalValue, customQueryOptions);
Binding modifiedBindingValueTrace = new SimpleBinding(modifiedBindingValueName, literal(evaluationContext.getTracer().getTrace().asHTML()));
modifiedBindingSet.addBinding(modifiedBindingValueTrace);
} catch (Exception e) {
Binding modifiedBindingValueTrace = new SimpleBinding(modifiedBindingValueName, literal(evaluationContext.getTracer().getTrace().asHTML()));
modifiedBindingSet.addBinding(modifiedBindingValueTrace);
}
break;
}
} else {
modifiedBindingSet.addBinding(bindingValue);
}
} else {
EvaluationContext evaluationContext = new EvaluationContext(getCustomQueryOptions(nextBindingSet), getDataset());
Thing subjectThing = Thing.create(getSource(), SCRIPT.ANONTHING, evaluationContext);
try {
// TODO com.inova8.intelligentgraph.model.Resource fact = subjectThing.getFact( SCRIPT.ANONPREDICATE,literalValue,null);
com.inova8.intelligentgraph.model.Resource fact = IntelligentEvaluator.processFactObjectValue(subjectThing, SCRIPT.ANONPREDICATE, literalValue, customQueryOptions);
Binding modifiedBindingValue = new SimpleBinding(bindingValue.getName(), fact.getValue());
modifiedBindingSet.addBinding(modifiedBindingValue);
} catch (Exception e) {
Binding modifiedBindingValue = new SimpleBinding(modifiedBindingValueName, literal(StringEscapeUtils.escapeEcmaScript(e.getMessage())));
modifiedBindingSet.addBinding(modifiedBindingValue);
}
}
} else {
modifiedBindingSet.addBinding(bindingValue);
}
} else {
if (bindingValue.getName().equals(modifiedBindingValueName))
modifiedBindingSet.addBinding(bindingValue);
else {
Binding modifiedBindingValue = new SimpleBinding(modifiedBindingValueName, bindingValue.getValue());
modifiedBindingSet.addBinding(modifiedBindingValue);
}
}
}
}
return modifiedBindingSet;
}
use of com.inova8.intelligentgraph.context.CustomQueryOptions in project com.inova8.intelligentgraph by peterjohnlawrence.
the class IntelligentGraphEvaluator method getCustomQueryOptions.
/**
* Gets the custom query options.
*
* @param nextBindingSet the next binding set
* @return the custom query options
*/
public CustomQueryOptions getCustomQueryOptions(BindingSet nextBindingSet) {
if (nextBindingSet.size() == 0) {
return null;
} else {
CustomQueryOptions customQueryOptions = new CustomQueryOptions();
for (Binding bindingValue : nextBindingSet) {
String customQueryOptionParameter = bindingValue.getName();
Value customQueryOptionValue = bindingValue.getValue();
customQueryOptions.put(customQueryOptionParameter, Resource.create(getSource(), customQueryOptionValue, null));
}
return customQueryOptions;
}
}
use of com.inova8.intelligentgraph.context.CustomQueryOptions in project com.inova8.intelligentgraph by peterjohnlawrence.
the class IntelligentStatement method getObject.
/**
* Gets the object.
*
* @return the object
*/
@Override
public Value getObject() {
if (contextStatement != null) {
if (contextStatement.getObject().isLiteral()) {
SimpleLiteral literalValue = (SimpleLiteral) (contextStatement.getObject());
if (Evaluator.getEngineNames().containsKey(literalValue.getDatatype())) {
Thing subjectThing = Thing.create(getSource(), (IRI) getContext(), contextStatement.getSubject(), getEvaluationContext());
CustomQueryOptions customQueryOptions = CustomQueryOption.getCustomQueryOptions(getEvaluationContext().getContexts(), source.getRepositoryContext().getPrefixes());
try {
// TODO com.inova8.intelligentgraph.model.Resource fact = subjectThing.getFact(contextStatement.getPredicate(),literalValue,customQueryOptions, contexts);
com.inova8.intelligentgraph.model.Resource fact = IntelligentEvaluator.processFactObjectValue(subjectThing, contextStatement.getPredicate(), literalValue, customQueryOptions, contexts);
return fact.getSuperValue();
} catch (Exception e) {
String exceptionMessage = "";
for (Throwable t = e.getCause(); t != null; t = t.getCause()) {
exceptionMessage += t.getMessage() + "\n";
}
if (exceptionMessage == "")
exceptionMessage = e.getMessage();
if (exceptionMessage == "")
exceptionMessage = "Exception w/o message";
return literal(exceptionMessage);
}
} else {
return contextStatement.getObject();
}
} else {
return contextStatement.getObject();
}
} else {
return null;
}
}
use of com.inova8.intelligentgraph.context.CustomQueryOptions in project com.inova8.intelligentgraph by peterjohnlawrence.
the class AlternativePathElement method pathPatternQuery.
/**
* Path pattern query.
*
* @param sourceVariable the source variable
* @param predicateVariable the predicate variable
* @param targetVariable the target variable
* @param pathIteration the path iteration
* @param customQueryOptions the custom query options
* @return the path tuple expr
*/
@Override
public // }
PathTupleExpr pathPatternQuery(Variable sourceVariable, Variable predicateVariable, Variable targetVariable, Integer pathIteration, CustomQueryOptions customQueryOptions) {
if (sourceVariable == null)
sourceVariable = this.getSourceVariable();
if (targetVariable == null)
targetVariable = this.getTargetVariable();
TupleExpr intermediateUnionPattern = null;
PathTupleExpr alternativePathPattern = null;
if (getCardinality(pathIteration) > 0) {
Variable intermediateSourceVariable = null;
Variable intermediateVariable = null;
Variable intermediateTargetVariable = null;
Variable priorIntermediateTargetVariable = null;
for (int iteration = 1; iteration <= getCardinality(pathIteration); iteration++) {
if (iteration == 1) {
intermediateSourceVariable = sourceVariable;
intermediateVariable = new Variable(sourceVariable.getName() + "_i" + iteration);
// intermediateVariable= new Variable(getLeftPathElement().getTargetVariable().getName(),getLeftPathElement().getTargetVariable().getValue()); //getLeftPathElement().getTargetVariable();
intermediateTargetVariable = targetVariable;
}
if (iteration < getCardinality(pathIteration)) {
if (iteration > 1)
intermediateSourceVariable = priorIntermediateTargetVariable;
intermediateTargetVariable = new Variable(sourceVariable.getName() + "_i" + iteration);
intermediateVariable = new Variable(sourceVariable.getName() + "_i" + iteration);
priorIntermediateTargetVariable = intermediateTargetVariable;
}
if (iteration == getCardinality(pathIteration)) {
if (iteration > 1) {
intermediateSourceVariable = priorIntermediateTargetVariable;
// new Variable(sourceVariable.getName() + "_i" + iteration);
intermediateVariable = targetVariable;
intermediateTargetVariable = targetVariable;
}
}
predicateVariable = deduceLeftPredicateVariable(predicateVariable);
PathTupleExpr leftPattern = getLeftPathElement().pathPatternQuery(intermediateSourceVariable, predicateVariable, intermediateTargetVariable, pathIteration, customQueryOptions);
PathTupleExpr rightPattern;
if (leftPattern == null) {
intermediateVariable.setValue(intermediateSourceVariable.getValue());
predicateVariable = deduceRightPredicateVariable(predicateVariable);
// intermediateVariable.setName(intermediateSourceVariable.getName());
rightPattern = getRightPathElement().pathPatternQuery(intermediateVariable, predicateVariable, intermediateTargetVariable, pathIteration, customQueryOptions);
} else {
predicateVariable = deduceRightPredicateVariable(predicateVariable);
rightPattern = getRightPathElement().pathPatternQuery(intermediateSourceVariable, predicateVariable, intermediateTargetVariable, pathIteration, customQueryOptions);
}
if (leftPattern != null)
intermediateUnionPattern = new Union(leftPattern.getTupleExpr(), rightPattern.getTupleExpr());
else {
intermediateUnionPattern = rightPattern.getTupleExpr();
}
if (alternativePathPattern == null) {
alternativePathPattern = new PathTupleExpr((TupleExpr) intermediateUnionPattern);
UnionBinding alternativePathPatternBinding = new UnionBinding(leftPattern.getStatementBinding(), rightPattern.getStatementBinding());
alternativePathPattern.getPath().add(alternativePathPatternBinding);
// if(leftPattern!=null) alternativePathPattern.getPath().addAll( leftPattern.getPath());
// alternativePathPattern.getPath().addAll( rightPattern.getPath());
} else {
alternativePathPattern.setTupleExpr(new Join(alternativePathPattern.getTupleExpr(), intermediateUnionPattern));
UnionBinding alternativePathPatternBinding = new UnionBinding(leftPattern.getStatementBinding(), rightPattern.getStatementBinding());
alternativePathPattern.getPath().add(alternativePathPatternBinding);
// if(leftPattern!=null)alternativePathPattern.getPath().addAll( leftPattern.getPath());
// alternativePathPattern.getPath().addAll( rightPattern.getPath());
}
alternativePathPattern.setStatementBinding(rightPattern.getStatementBinding());
alternativePathPattern.setBoundVariable(alternativePathPattern.getStatementBinding().getSourceVariable());
}
return alternativePathPattern;
} else {
return null;
}
}
Aggregations