Examples with HandledException com.inova8.intelligentgraph.exceptions.HandledException used on opensource projects

Example 1 with HandledException

use of com.inova8.intelligentgraph.exceptions.HandledException in project com.inova8.intelligentgraph by peterjohnlawrence.

the class IntelligentEvaluator method handleScript.

/**
 * Handle script.
 *
 * @param thing the thing
 * @param scriptString the script string
 * @param predicate the predicate
 * @param customQueryOptions the custom query options
 * @param contexts the contexts
 * @return the resource
 * @throws HandledException the handled exception
 */
protected static Resource handleScript(Thing thing, SimpleLiteral scriptString, IRI predicate, CustomQueryOptions customQueryOptions, org.eclipse.rdf4j.model.Resource... contexts) throws HandledException {
    if (predicate.equals(SCRIPT.SCRIPTCODE)) {
        return Resource.create(thing.getSource(), scriptString, thing.getEvaluationContext());
    } else {
        String scriptCode = scriptString.getLabel();
        scriptCode = scriptCode.trim();
        if (scriptCode.startsWith("<")) {
            String scriptIRI = scriptCode.substring(0, scriptCode.length() - 1).substring(1);
            // convertQName(scriptIRI);
            org.eclipse.rdf4j.model.Resource scriptResource = thing.getSource().getRepositoryContext().convertQName(scriptIRI, thing.getSource().getPrefixes());
            Statement scriptStatement;
            SimpleLiteral scriptCodeliteral = null;
            try {
                CloseableIteration<? extends Statement, QueryEvaluationException> scriptStatements = thing.getSource().getTripleSource().getStatements(scriptResource, SCRIPT.SCRIPTCODE, null);
                while (scriptStatements.hasNext()) {
                    scriptStatement = scriptStatements.next();
                    scriptCodeliteral = (SimpleLiteral) scriptStatement.getObject();
                }
            } catch (QueryEvaluationException qe) {
                thing.getEvaluationContext().getTracer().traceRedirectingFailed(thing, predicate, scriptCode);
                throw new ScriptFailedException(String.format("Reference script <%s> not found for  %s of  subject %s", scriptIRI, predicate, thing), qe);
            }
            if (scriptCodeliteral != null) {
                thing.getEvaluationContext().getTracer().traceRedirecting(thing, predicate, scriptCode);
                return handleScript(thing, scriptCodeliteral, predicate, customQueryOptions, contexts);
            } else {
                thing.getEvaluationContext().getTracer().traceRedirectingFailed(thing, predicate, scriptCode);
                throw new ScriptFailedException(String.format("Reference script null <%s> for %s of subject %s", scriptIRI, predicate, thing));
            }
        } else {
            thing.getEvaluationContext().getTracer().incrementLevel();
            IRI cacheContextIRI = thing.generateCacheContext(predicate);
            thing.getEvaluationContext().getTracer().traceEvaluating(thing, predicate, scriptString);
            Object scriptResult = null;
            try {
                // Test to see if the same 'call' is on the stack
                // If so report that circular reference encountered
                // If not push on stack
                String stackKey = generateStackKey(thing, predicate);
                if (!thing.searchStack(stackKey)) {
                    CompiledScript compiledScriptCode = thing.getSource().compiledScriptFactory(scriptString);
                    SimpleBindings scriptBindings = new SimpleBindings();
                    Object _result = null;
                    scriptBindings.put("_result", _result);
                    scriptBindings.put("_this", thing);
                    scriptBindings.put("_customQueryOptions", customQueryOptions);
                    Resource result;
                    try {
                        thing.pushStack(stackKey);
                        scriptResult = compiledScriptCode.eval(scriptBindings);
                        if (scriptResult == null) {
                            // Could be Python which will not return a result by default
                            scriptResult = scriptBindings.get("_result");
                        }
                        result = returnResult(thing, scriptResult, cacheContextIRI);
                    } finally {
                        // Since script complete, pop from stack
                        thing.popStack();
                    }
                    thing.getEvaluationContext().getTracer().decrementLevel();
                    if (result != null)
                        thing.getEvaluationContext().getTracer().traceEvaluated(thing, predicate, result);
                    else {
                        throw new NullValueReturnedException(String.format("Evaluated null for %s of %s, using script %s", predicate, thing.getSuperValue(), scriptString));
                    }
                    thing.getEvaluationContext().getTracer().decrementLevel();
                    return result;
                } else {
                    thing.getEvaluationContext().getTracer().traceCircularReference(thing, predicate, thing.getStack(), stackKey);
                    logger.error("Circular reference encountered when evaluating <{}> of <{}>.\r\n{}", predicate.stringValue(), ((IRI) thing.getSuperValue()).stringValue(), thing.getStack().subList(thing.getStack().size() - thing.getStack().search(stackKey), thing.getStack().size()).toString());
                    throw new CircularReferenceException(String.format("Circular reference encountered when evaluating <%s> of <%s>.\r\n%s", predicate.stringValue(), ((IRI) thing.getSuperValue()).stringValue(), thing.getStack().subList(thing.getStack().size() - thing.getStack().search(stackKey), thing.getStack().size())));
                }
            } catch (ScriptException e) {
                thing.getEvaluationContext().getTracer().decrementLevel();
                logger.error(String.format("Script failed with <br/><code ><span style=\"white-space: pre-wrap\">%s</span></code >", StringEscapeUtils.escapeHtml4(e.getMessage())));
                thing.getEvaluationContext().getTracer().traceScriptError(e);
                throw new ScriptFailedException(e);
            }
        }
    }
}

Example 2 with HandledException

use of com.inova8.intelligentgraph.exceptions.HandledException in project com.inova8.intelligentgraph by peterjohnlawrence.

the class SEEQSource method getSignal.

/**
 * Gets the signal.
 *
 * @param signal the signal
 * @param customQueryOptions the custom query options
 * @return the signal
 * @throws HandledException the handled exception
 */
public Object getSignal(String signal, CustomQueryOptions customQueryOptions) throws HandledException {
    String start = getStart(customQueryOptions);
    String end = getEnd(customQueryOptions);
    String aggregate = getAggregate(customQueryOptions);
    String formula;
    switch(aggregate) {
        case INSTANT:
            GetSampleOutputV1 signalValue = signalsApi.getSample(signal, end, null, null, null);
            return signalValue.getSample().getValue();
        case AVERAGE:
            formula = "$tx01.average(capsule ('" + start + "','" + end + "')) ";
            return executeFunction(signal, formula);
        case MAXIMUM:
            formula = "$tx01.maxValue(capsule ('" + start + "','" + end + "')) ";
            return executeFunction(signal, formula);
        case MINIMUM:
            formula = "$tx01.minValue(capsule ('" + start + "','" + end + "')) ";
            return executeFunction(signal, formula);
        case TOTALIZED:
            formula = "$tx01.totalized(capsule ('" + start + "','" + end + "')) ";
            return executeFunction(signal, formula);
        default:
            logger.error("SEEQ Invalid aggregate: {}", aggregate);
            throw new HandledException(INVALIDAGGREGATE_EXCEPTION, aggregate);
    }
// return (olgap.Value) null;
}

Example 3 with HandledException

use of com.inova8.intelligentgraph.exceptions.HandledException in project com.inova8.intelligentgraph by peterjohnlawrence.

the class SEEQSource method getSEEQSignal.

/**
 * Gets the SEEQ signal.
 *
 * @param thing the thing
 * @param signal the signal
 * @param customQueryOptions the custom query options
 * @return the SEEQ signal
 * @throws ScriptFailedException the script failed exception
 */
public static Resource getSEEQSignal(Thing thing, String signal, CustomQueryOptions customQueryOptions) throws ScriptFailedException {
    signal = Utilities.trimIRIString(signal);
    String[] elements = signal.split("/");
    Object result;
    SEEQSource seeqSource = null;
    try {
        if (elements.length < 6) {
            thing.getEvaluationContext().getTracer().decrementLevel();
            String error = String.format("Unsupported signal source: %s", signal);
            logger.error(error);
            thing.getEvaluationContext().getTracer().traceSignalError(error);
            throw new ScriptFailedException(error);
        } else {
            thing.getEvaluationContext().getTracer().traceSEEQ(elements[5], customQueryOptions);
            seeqSource = thing.getSource().seeqSourceFactory(elements[2]);
            result = seeqSource.getSignal(elements[5], customQueryOptions);
            thing.getEvaluationContext().getTracer().decrementLevel();
            return Resource.create(thing.getSource(), literal((Double) result), thing.getEvaluationContext());
        }
    } catch (ScriptException e) {
        throw new ScriptFailedException(e);
    } catch (HandledException e) {
        throw new ScriptFailedException(e);
    }
}

Example 4 with HandledException

use of com.inova8.intelligentgraph.exceptions.HandledException in project com.inova8.intelligentgraph by peterjohnlawrence.

the class Thing method getFact.

// public  Resource getFact(IRI predicate, SimpleLiteral scriptString, CustomQueryOptions customQueryOptions, org.eclipse.rdf4j.model.Resource ... contexts) throws HandledException {
// Resource fact = processFactObjectValue(predicate,scriptString,  customQueryOptions ,contexts);
// return fact;
/**
 * Gets the fact.
 *
 * @param predicatePattern the predicate pattern
 * @param customQueryOptions the custom query options
 * @param bindValues the bind values
 * @return the fact
 */
// }
public Resource getFact(String predicatePattern, CustomQueryOptions customQueryOptions, Value... bindValues) {
    logger.debug("getFact{}\n", predicatePattern);
    ResourceResults factValues = getFacts(predicatePattern, customQueryOptions, bindValues);
    if (factValues == null) {
        throw new NullValueReturnedException(String.format("No values found for pattern %s with subject %s, customQueryOptions %s, and bind variables %s", predicatePattern, this, customQueryOptions, bindValues));
    } else if (factValues.hasNext()) {
        return factValues.next();
    } else {
        factValues.close();
        throw new NullValueReturnedException(String.format("No values found for pattern %s with subject %s, customQueryOptions %s, and bind variables %s", predicatePattern, this, customQueryOptions, bindValues));
    }
}