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

Example 96 with VariableResolverFactory

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

the class MVELConsequence method evaluate.

public void evaluate(final KnowledgeHelper knowledgeHelper, final WorkingMemory workingMemory) throws Exception {
    VariableResolverFactory factory = unit.getFactory(knowledgeHelper, ((AgendaItem) knowledgeHelper.getMatch()).getTerminalNode().getRequiredDeclarations(), knowledgeHelper.getRule(), knowledgeHelper.getTuple(), 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());
    }
    CompiledExpression compexpr = (CompiledExpression) this.expr;
    if (MVELDebugHandler.isDebugMode()) {
        if (MVELDebugHandler.verbose) {
            logger.info(DebugTools.decompile(compexpr));
        }
        MVEL.executeDebugger(compexpr, knowledgeHelper, factory);
    } else {
        MVEL.executeExpression(compexpr, knowledgeHelper, factory);
    }
}

Example 97 with VariableResolverFactory

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

the class ActivationPropertyHandler method getProperty.

public Object getProperty(String name, Object obj, VariableResolverFactory variableFactory) {
    AgendaItem item = (AgendaItem) obj;
    if ("rule".equals(name)) {
        return item.getRule();
    } else if ("active".equals(name)) {
        return item.isQueued();
    } else if ("objects".equals(name)) {
        return item.getObjects();
    } else if ("factHandles".equals(name)) {
        return item.getFactHandles();
    } else if ("declarationIds".equals(name)) {
        return item.getDeclarationIds();
    } else if ("this".equals(name)) {
        return item;
    }
    // FIXME hack as MVEL seems to be ignoring indexed variables
    VariableResolver vr = variableFactory.getNextFactory().getVariableResolver(name);
    if (vr != null) {
        return vr.getValue();
    }
    Declaration declr = item.getTerminalNode().getSubRule().getOuterDeclarations().get(name);
    if (declr != null) {
        return declr.getValue(null, item.getTuple().get(declr).getObject());
    } else {
        return item.getRule().getMetaData(name);
    }
}

Example 98 with VariableResolverFactory

use of org.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 99 with VariableResolverFactory

use of org.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 100 with VariableResolverFactory

use of org.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));
}