Examples with VariableResolverFactory org.mule.mvel2.integration.VariableResolverFactory used on opensource projects

Example 51 with VariableResolverFactory

use of org.mule.mvel2.integration.VariableResolverFactory in project drools by kiegroup.

the class MVELObjectExpression method getValue.

public Object getValue(final Tuple leftTuple, final Declaration[] declrs, final Rule rule, final InternalWorkingMemory wm) {
    VariableResolverFactory factory = unit.getFactory(null, declrs, rule, null, leftTuple, null, wm, wm.getGlobalResolver());
    // do we have any functions for this namespace?
    InternalKnowledgePackage pkg = wm.getKnowledgeBase().getPackage("MAIN");
    if (pkg != null) {
        MVELDialectRuntimeData data = (MVELDialectRuntimeData) pkg.getDialectRuntimeRegistry().getDialectData(this.id);
        factory.setNextFactory(data.getFunctionFactory());
    }
    return MVELSafeHelper.getEvaluator().executeExpression(this.expr, factory);
}

Example 52 with VariableResolverFactory

use of org.mule.mvel2.integration.VariableResolverFactory in project drools by kiegroup.

the class MVELSalienceExpression method getValue.

public int getValue(final KnowledgeHelper khelper, final Rule rule, final WorkingMemory workingMemory) {
    VariableResolverFactory factory = unit.getFactory(khelper, khelper != null ? ((AgendaItem) khelper.getMatch()).getTerminalNode().getSalienceDeclarations() : null, rule, null, khelper != null ? (LeftTuple) khelper.getMatch().getTuple() : null, null, (InternalWorkingMemory) workingMemory, workingMemory.getGlobalResolver());
    // do we have any functions for this namespace?
    InternalKnowledgePackage pkg = workingMemory.getKnowledgeBase().getPackage("MAIN");
    if (pkg != null) {
        MVELDialectRuntimeData data = (MVELDialectRuntimeData) pkg.getDialectRuntimeRegistry().getDialectData(this.id);
        factory.setNextFactory(data.getFunctionFactory());
    }
    Object value = MVEL.executeExpression(this.expr, factory);
    if (value instanceof String) {
        value = TimeUtils.parseTimeString((String) value);
    }
    return ((Number) value).intValue();
}

Example 53 with VariableResolverFactory

use of org.mule.mvel2.integration.VariableResolverFactory in project drools by kiegroup.

the class MVELReturnValueExpression method evaluate.

public FieldValue evaluate(final InternalFactHandle handle, final Tuple tuple, final Declaration[] previousDeclarations, final Declaration[] requiredDeclarations, final WorkingMemory workingMemory, final Object ctx) throws Exception {
    VariableResolverFactory factory = (VariableResolverFactory) ctx;
    unit.updateFactory(handle, tuple, null, (InternalWorkingMemory) workingMemory, workingMemory.getGlobalResolver(), factory);
    // do we have any functions for this namespace?
    InternalKnowledgePackage pkg = workingMemory.getKnowledgeBase().getPackage("MAIN");
    if (pkg != null) {
        MVELDialectRuntimeData data = (MVELDialectRuntimeData) pkg.getDialectRuntimeRegistry().getDialectData(this.id);
        factory.setNextFactory(data.getFunctionFactory());
    }
    return workingMemory.getKnowledgeBase().getConfiguration().getComponentFactory().getFieldFactory().getFieldValue(MVELSafeHelper.getEvaluator().executeExpression(this.expr, handle, factory));
}

Example 54 with VariableResolverFactory

use of org.mule.mvel2.integration.VariableResolverFactory in project mule by mulesoft.

the class MVELExpressionLanguage method evaluateInternal.

@SuppressWarnings("unchecked")
protected <T> T evaluateInternal(String expression, MVELExpressionLanguageContext variableResolverFactory) {
    validate(expression);
    expression = removeExpressionMarker(expression);
    try {
        return (T) expressionExecutor.execute(expression, variableResolverFactory);
    } catch (Exception e) {
        throw new ExpressionRuntimeException(CoreMessages.expressionEvaluationFailed(e.getMessage(), expression), e);
    }
}

Example 55 with VariableResolverFactory

use of org.mule.mvel2.integration.VariableResolverFactory in project jbpm by kiegroup.

the class MVELReturnValueEvaluator method evaluate.

public Object evaluate(ProcessContext context) throws Exception {
    int length = unit.getOtherIdentifiers().length;
    Object[] vars = new Object[length];
    if (unit.getOtherIdentifiers() != null) {
        for (int i = 0; i < length; i++) {
            vars[i] = context.getVariable(unit.getOtherIdentifiers()[i]);
        }
    }
    InternalWorkingMemory internalWorkingMemory = null;
    if (context.getKieRuntime() instanceof StatefulKnowledgeSessionImpl) {
        internalWorkingMemory = ((StatefulKnowledgeSessionImpl) context.getKieRuntime()).getInternalWorkingMemory();
    } else if (context.getKieRuntime() instanceof StatelessKnowledgeSession) {
        StatefulKnowledgeSession statefulKnowledgeSession = ((StatelessKnowledgeSessionImpl) context.getKieRuntime()).newWorkingMemory();
        internalWorkingMemory = ((StatefulKnowledgeSessionImpl) statefulKnowledgeSession).getInternalWorkingMemory();
    }
    VariableResolverFactory factory = unit.getFactory(context, // No previous declarations
    null, // No rule
    null, // No "right object"
    null, // No (left) tuples
    null, vars, internalWorkingMemory, (GlobalResolver) context.getKieRuntime().getGlobals());
    // do we have any functions for this namespace?
    KiePackage pkg = context.getKieRuntime().getKieBase().getKiePackage("MAIN");
    if (pkg instanceof KnowledgePackageImpl) {
        MVELDialectRuntimeData data = (MVELDialectRuntimeData) ((KnowledgePackageImpl) pkg).getDialectRuntimeRegistry().getDialectData(id);
        factory.setNextFactory(data.getFunctionFactory());
    }
    Object value = MVELSafeHelper.getEvaluator().executeExpression(this.expr, null, factory);
    if (!(value instanceof Boolean)) {
        throw new RuntimeException("Constraints must return boolean values: " + unit.getExpression() + " returns " + value + (value == null ? "" : " (type=" + value.getClass()));
    }
    return ((Boolean) value).booleanValue();
}