Examples with Value uk.ac.ed.ph.jqtiplus.value.Value used on opensource projects

Example 56 with Value

use of uk.ac.ed.ph.jqtiplus.value.Value in project openolat by klemens.

the class CorrectResponsesUtil method getCorrectOrderedIdentifierResponses.

public static final List<Identifier> getCorrectOrderedIdentifierResponses(AssessmentItem assessmentItem, Interaction interaction) {
    List<Identifier> correctAnswers = new ArrayList<>(5);
    ResponseDeclaration responseDeclaration = assessmentItem.getResponseDeclaration(interaction.getResponseIdentifier());
    if (responseDeclaration != null && responseDeclaration.getCorrectResponse() != null) {
        CorrectResponse correctResponse = responseDeclaration.getCorrectResponse();
        if (correctResponse.getCardinality().isOneOf(Cardinality.ORDERED)) {
            List<FieldValue> values = correctResponse.getFieldValues();
            Value value = FieldValue.computeValue(Cardinality.ORDERED, values);
            if (value instanceof OrderedValue) {
                OrderedValue multiValue = (OrderedValue) value;
                multiValue.forEach(oValue -> {
                    if (oValue instanceof IdentifierValue) {
                        IdentifierValue identifierValue = (IdentifierValue) oValue;
                        Identifier correctAnswer = identifierValue.identifierValue();
                        correctAnswers.add(correctAnswer);
                    }
                });
            }
        }
    }
    return correctAnswers;
}

Example 57 with Value

use of uk.ac.ed.ph.jqtiplus.value.Value in project openolat by klemens.

the class CorrectResponsesUtil method getCorrectIdentifierResponses.

public static final List<Identifier> getCorrectIdentifierResponses(AssessmentItem assessmentItem, Identifier responseIdentifier) {
    List<Identifier> correctAnswers = new ArrayList<>(5);
    ResponseDeclaration responseDeclaration = assessmentItem.getResponseDeclaration(responseIdentifier);
    if (responseDeclaration != null && responseDeclaration.getCorrectResponse() != null) {
        CorrectResponse correctResponse = responseDeclaration.getCorrectResponse();
        if (correctResponse.getCardinality().isOneOf(Cardinality.SINGLE)) {
            List<FieldValue> values = correctResponse.getFieldValues();
            Value value = FieldValue.computeValue(Cardinality.SINGLE, values);
            if (value instanceof IdentifierValue) {
                IdentifierValue identifierValue = (IdentifierValue) value;
                Identifier correctAnswer = identifierValue.identifierValue();
                correctAnswers.add(correctAnswer);
            }
        } else if (correctResponse.getCardinality().isOneOf(Cardinality.MULTIPLE)) {
            Value value = FieldValue.computeValue(Cardinality.MULTIPLE, correctResponse.getFieldValues());
            if (value instanceof MultipleValue) {
                MultipleValue multiValue = (MultipleValue) value;
                for (SingleValue sValue : multiValue.getAll()) {
                    if (sValue instanceof IdentifierValue) {
                        IdentifierValue identifierValue = (IdentifierValue) sValue;
                        Identifier correctAnswer = identifierValue.identifierValue();
                        correctAnswers.add(correctAnswer);
                    }
                }
            }
        }
    }
    return correctAnswers;
}

Example 58 with Value

use of uk.ac.ed.ph.jqtiplus.value.Value in project openolat by klemens.

the class AssessmentItemBuilder method extractMinScore.

private void extractMinScore() {
    OutcomeDeclaration outcomeDeclaration = assessmentItem.getOutcomeDeclaration(MINSCORE_IDENTIFIER);
    if (outcomeDeclaration != null) {
        DefaultValue defaultValue = outcomeDeclaration.getDefaultValue();
        if (defaultValue != null) {
            Value minScoreValue = defaultValue.evaluate();
            if (minScoreValue instanceof FloatValue) {
                Double minScore = new Double(((FloatValue) minScoreValue).doubleValue());
                minScoreBuilder = new ScoreBuilder(minScore, outcomeDeclaration);
            }
        }
    }
}

Example 59 with Value

use of uk.ac.ed.ph.jqtiplus.value.Value in project openolat by klemens.

the class MaximaOperator method evaluateSelf.

@Override
protected Value evaluateSelf(OpenOLATExtensionPackage jqtiExtensionPackage, ProcessingContext context, Value[] childValues, int depth) {
    AttributeList attributes = getAttributes();
    Attribute<?> attrValue = attributes.get("value");
    String code = (String) attrValue.getValue();
    log.debug("Performing scriptRule: code={}, simplify={}" + code);
    /* Pass variables to Maxima */
    final QtiMaximaProcess qtiMaximaProcess = jqtiExtensionPackage.obtainMaximaSessionForThread();
    for (int i = 0; i < childValues.length; i++) {
        Value childValue = childValues[i];
        String val = getValue(childValue);
        code = code.replace("$(" + (i + 1) + ")", val);
    }
    /* Run code */
    log.debug("Executing scriptRule code");
    try {
        qtiMaximaProcess.executeScriptRule(code, true);
    } catch (final MaximaTimeoutException e) {
        context.fireRuntimeError(this, "A timeout occurred executing the ScriptRule logic. Not setting QTI variables and returing FALSE");
        return BooleanValue.FALSE;
    } catch (final RuntimeException e) {
        context.fireRuntimeError(this, "An unexpected problem occurred while trying to run the scriptRule logic. Not setting QTI variables and returing FALSE");
        return BooleanValue.FALSE;
    }
    /* Read variables back */
    log.debug("Reading variables back from Maxima");
    /* Run Maxima code and extract result */
    log.info("Running code to determine result of MAXIMA operator");
    final Class<? extends ValueWrapper> resultClass = GlueValueBinder.getCasReturnClass(ReturnTypeType.FLOAT);
    ValueWrapper maximaResult;
    try {
        maximaResult = qtiMaximaProcess.executeCasProcess(code, true, resultClass);
    } catch (final MaximaTimeoutException e) {
        context.fireRuntimeError(this, "A timeout occurred executing the CasCondition logic. Returning NULL");
        return NullValue.INSTANCE;
    } catch (final MathsContentTooComplexException e) {
        context.fireRuntimeError(this, "An unexpected problem occurred querying the result of CasProcess, so returning NULL");
        return NullValue.INSTANCE;
    } catch (final MathAssessBadCasCodeException e) {
        context.fireRuntimeError(this, "Your CasProcess code did not work as expected. The CAS input was '" + e.getMaximaInput() + "' and the CAS output was '" + e.getMaximaOutput() + "'. The failure reason was: " + e.getReason());
        return NullValue.INSTANCE;
    } catch (final QtiMaximaTypeConversionException e) {
        context.fireRuntimeError(this, "Your CasProcess code did not produce a result that could be converted into the required QTI type. The CAS input was '" + e.getMaximaInput() + "' and the CAS output was '" + e.getMaximaOutput() + "'");
        return NullValue.INSTANCE;
    } catch (final RuntimeException e) {
        log.warn("Unexpected Maxima failure", e);
        context.fireRuntimeError(this, "An unexpected problem occurred while executing this CasProcess");
        return BooleanValue.FALSE;
    }
    /* Bind result */
    Value result = GlueValueBinder.casToJqti(maximaResult);
    if (result == null) {
        context.fireRuntimeError(this, "Failed to convert result from Maxima back to a QTI variable - returning NULL");
        return NullValue.INSTANCE;
    }
    return result;
}

Example 60 with Value

use of uk.ac.ed.ph.jqtiplus.value.Value in project openolat by klemens.

the class QtiNodesExtractor method extractIdentifiersFromCorrectResponse.

public static void extractIdentifiersFromCorrectResponse(CorrectResponse correctResponse, List<Identifier> correctAnswers) {
    BaseTypeAndCardinality responseDeclaration = correctResponse.getParent();
    if (responseDeclaration.hasCardinality(Cardinality.MULTIPLE)) {
        Value value = FieldValue.computeValue(Cardinality.MULTIPLE, correctResponse.getFieldValues());
        if (value instanceof MultipleValue) {
            MultipleValue multiValue = (MultipleValue) value;
            for (SingleValue sValue : multiValue.getAll()) {
                if (sValue instanceof IdentifierValue) {
                    IdentifierValue identifierValue = (IdentifierValue) sValue;
                    Identifier correctAnswer = identifierValue.identifierValue();
                    correctAnswers.add(correctAnswer);
                }
            }
        }
    } else if (responseDeclaration.hasCardinality(Cardinality.SINGLE)) {
        Value value = FieldValue.computeValue(Cardinality.SINGLE, correctResponse.getFieldValues());
        if (value instanceof IdentifierValue) {
            IdentifierValue identifierValue = (IdentifierValue) value;
            correctAnswers.add(identifierValue.identifierValue());
        }
    }
}