Examples with Predicate com.inova8.intelligentgraph.model.Predicate used on opensource projects

Example 6 with Predicate

use of com.inova8.intelligentgraph.model.Predicate in project com.inova8.intelligentgraph by peterjohnlawrence.

the class Thing method getFact.

/**
 * Gets the fact.
 *
 * @param predicatePattern the predicate pattern
 * @param customQueryOptions the custom query options
 * @return the fact
 */
public Resource getFact(String predicatePattern, CustomQueryOptions customQueryOptions) {
    logger.debug("getFact{}\n", predicatePattern);
    ResourceResults factValues = getFacts(predicatePattern, customQueryOptions);
    if (factValues == null) {
        // return new NullResource();
        throw new NullValueReturnedException(String.format("No values found for pattern %s with subject %s and customQueryOptions %s", predicatePattern, this, customQueryOptions));
    } else if (factValues.hasNext()) {
        return factValues.next();
    } else {
        factValues.close();
        // return new NullResource();
        throw new NullValueReturnedException(String.format("No values found for pattern %s with subject %s and customQueryOptions %s", predicatePattern, this, customQueryOptions));
    }
}

Example 7 with Predicate

use of com.inova8.intelligentgraph.model.Predicate in project com.inova8.intelligentgraph by peterjohnlawrence.

the class FactDebug method evaluate.

/**
 * Evaluate.
 *
 * @param tripleSource the triple source
 * @param args the args
 * @return the value
 * @throws ValueExprEvaluationException the value expr evaluation exception
 */
@Override
public Value evaluate(TripleSource tripleSource, Value... args) throws ValueExprEvaluationException {
    // logger.debug("Trace Evaluate for <{}>, {} with args <{}>",tripleSource, tripleSource.getValueFactory(),Arrays.toString(args));
    if (args.length < 3) {
        String message = "At least subject, predicate, and script arguments required";
        logger.error(message);
        return tripleSource.getValueFactory().createLiteral(message);
    } else {
        IRI subject;
        IRI predicate;
        SimpleLiteral scriptLiteral;
        try {
            subject = (IRI) args[0];
            predicate = (IRI) args[1];
            scriptLiteral = (SimpleLiteral) args[2];
        } catch (Exception e) {
            String message = "Subject and predicate must be valid IRI, and script must be a literal";
            logger.error(message);
            return tripleSource.getValueFactory().createLiteral(message.toString());
        }
        try {
            Value[] argumentArray = Arrays.copyOfRange(args, 3, args.length);
            IntelligentGraphRepository source = sources.getSource(tripleSource, argumentArray);
            CustomQueryOptions customQueryOptions = source.getCustomQueryOptions(argumentArray);
            EvaluationContext evaluationContext = new EvaluationContext(customQueryOptions);
            evaluationContext.setTracing(true);
            Thing subjectThing = Thing.create(source, subject, evaluationContext);
            IntelligentEvaluator.processFactObjectValue(subjectThing, predicate, scriptLiteral, customQueryOptions);
            // TODO 	subjectThing.getFact(predicate,	scriptLiteral,customQueryOptions);
            logger.debug("Trace\r\n" + evaluationContext.getTrace());
            return tripleSource.getValueFactory().createLiteral(evaluationContext.getTrace());
        } catch (Exception e) {
            return tripleSource.getValueFactory().createLiteral(e.getMessage());
        }
    }
}

Example 8 with Predicate

use of com.inova8.intelligentgraph.model.Predicate in project com.inova8.intelligentgraph by peterjohnlawrence.

the class FactProvenance method evaluate.

/**
 * Evaluate.
 *
 * @param tripleSource the triple source
 * @param args the args
 * @return the value
 * @throws ValueExprEvaluationException the value expr evaluation exception
 */
@Override
public Value evaluate(TripleSource tripleSource, Value... args) throws ValueExprEvaluationException {
    logger.debug("Trace Evaluate for <{}>, {} with args <{}>", tripleSource, tripleSource.getValueFactory(), args);
    if (args.length < 2) {
        String message = "At least subject, and predicate arguments required";
        logger.error(message);
        return tripleSource.getValueFactory().createLiteral(message);
    } else {
        IRI subject;
        IRI predicate;
        try {
            subject = (IRI) args[0];
            predicate = (IRI) args[1];
        } catch (Exception e) {
            String message = "Subject and predicate must be valid IRI";
            logger.error(message);
            return tripleSource.getValueFactory().createLiteral(message);
        }
        try {
            Value[] argumentArray = Arrays.copyOfRange(args, 2, args.length);
            IntelligentGraphRepository source = sources.getSource(tripleSource, argumentArray);
            CustomQueryOptions customQueryOptions = source.getCustomQueryOptions(argumentArray);
            EvaluationContext evaluationContext = new EvaluationContext(customQueryOptions);
            evaluationContext.setTracing(true);
            Thing subjectThing = Thing.create(source, subject, evaluationContext);
            // olgap.Value fact =
            // PredicateElement(source,predicate));
            subjectThing.getFact("<" + predicate.stringValue() + ">");
            logger.debug("Trace\r\n" + evaluationContext.getTrace());
            return tripleSource.getValueFactory().createLiteral(evaluationContext.getTrace());
        } catch (Exception e) {
            return tripleSource.getValueFactory().createLiteral(e.getMessage());
        }
    }
}

Example 9 with Predicate

use of com.inova8.intelligentgraph.model.Predicate in project com.inova8.intelligentgraph by peterjohnlawrence.

the class FactValue method evaluate.

/**
 * Evaluate.
 *
 * @param tripleSource the triple source
 * @param args the args
 * @return the value
 * @throws ValueExprEvaluationException the value expr evaluation exception
 */
@Override
public Value evaluate(TripleSource tripleSource, Value... args) throws ValueExprEvaluationException {
    logger.debug("Evaluate for {} with args <{}>", tripleSource.getValueFactory(), args);
    if (args.length < 2) {
        String message = "At least subject, and predicate arguments required";
        logger.error(message);
        return tripleSource.getValueFactory().createLiteral(message);
    } else {
        IRI subject;
        IRI predicate;
        try {
            subject = (IRI) args[0];
            predicate = (IRI) args[1];
        } catch (Exception e) {
            String message = "Subject and predicate must be valid IRI";
            logger.error(message);
            return tripleSource.getValueFactory().createLiteral(message.toString());
        }
        try {
            Value[] argumentArray = Arrays.copyOfRange(args, 2, args.length);
            IntelligentGraphRepository source = sources.getSource(tripleSource, argumentArray);
            CustomQueryOptions customQueryOptions = source.getCustomQueryOptions(argumentArray);
            EvaluationContext evaluationContext = new EvaluationContext(customQueryOptions);
            Thing subjectThing = Thing.create(source, subject, evaluationContext);
            // new PredicateElement(source,predicate));
            com.inova8.intelligentgraph.model.Resource fact = subjectThing.getFact("<" + predicate.stringValue() + ">");
            if (fact != null && fact.getValue() != null) {
                Value result = fact.getValue();
                logger.debug("FactValue = {}", result);
                return result;
            } else {
                return tripleSource.getValueFactory().createLiteral("");
            }
        } catch (Exception e) {
            return tripleSource.getValueFactory().createLiteral(e.getMessage());
        }
    }
}

Example 10 with Predicate

use of com.inova8.intelligentgraph.model.Predicate 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;
    }
}