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

Example 91 with VariableResolverFactory

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

the class MvelConditionEvaluator method evaluate.

private boolean evaluate(ExecutableStatement statement, InternalFactHandle handle, InternalWorkingMemory workingMemory, Tuple tuple) {
    if (compilationUnit == null) {
        Map<String, Object> vars = valuesAsMap(handle.getObject(), workingMemory, tuple, declarations);
        if (operators.length > 0) {
            if (vars == null) {
                vars = new HashMap<String, Object>();
            }
            InternalFactHandle[] handles = tuple != null ? tuple.toFactHandles() : new InternalFactHandle[0];
            for (EvaluatorWrapper operator : operators) {
                vars.put(operator.getBindingName(), operator);
                operator.loadHandles(workingMemory, handles, handle);
            }
        }
        return evaluate(statement, handle.getObject(), vars);
    }
    VariableResolverFactory factory = compilationUnit.createFactory();
    compilationUnit.updateFactory(handle, tuple, null, workingMemory, workingMemory.getGlobalResolver(), factory);
    return (Boolean) MVELSafeHelper.getEvaluator().executeExpression(statement, handle.getObject(), factory);
}

Example 92 with VariableResolverFactory

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

the class MVELAccumulator method init.

/* (non-Javadoc)
     * @see org.kie.spi.Accumulator#init(java.lang.Object, org.kie.spi.Tuple, org.kie.rule.Declaration[], org.kie.WorkingMemory)
     */
public void init(Object workingMemoryContext, Object context, Tuple tuple, Declaration[] declarations, WorkingMemory workingMemory) throws Exception {
    Object[] localVars = new Object[initUnit.getOtherIdentifiers().length];
    MVELAccumulatorFactoryContext factoryContext = (MVELAccumulatorFactoryContext) workingMemoryContext;
    VariableResolverFactory factory = factoryContext.getInitFactory();
    initUnit.updateFactory(null, tuple, localVars, (InternalWorkingMemory) workingMemory, workingMemory.getGlobalResolver(), factory);
    InternalKnowledgePackage pkg = workingMemory.getKnowledgeBase().getPackage("MAIN");
    if (pkg != null) {
        MVELDialectRuntimeData data = (MVELDialectRuntimeData) pkg.getDialectRuntimeRegistry().getDialectData("mvel");
        factory.setNextFactory(data.getFunctionFactory());
    }
    MVELSafeHelper.getEvaluator().executeExpression(this.init, null, factory);
    DroolsVarFactory df = (DroolsVarFactory) factory.getNextFactory();
    if (localVars.length > 0) {
        for (int i = 0; i < df.getOtherVarsLength(); i++) {
            localVars[i] = factory.getIndexedVariableResolver(df.getOtherVarsPos() + i).getValue();
        }
    }
    ((MVELAccumulatorContext) context).setVariables(localVars);
}

Example 93 with VariableResolverFactory

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

the class MVELAccumulator method reverse.

public void reverse(Object workingMemoryContext, Object context, Tuple leftTuple, InternalFactHandle handle, Declaration[] declarations, Declaration[] innerDeclarations, WorkingMemory workingMemory) throws Exception {
    Object[] localVars = ((MVELAccumulatorContext) context).getVariables();
    MVELAccumulatorFactoryContext factoryContext = (MVELAccumulatorFactoryContext) workingMemoryContext;
    VariableResolverFactory factory = factoryContext.getActionFactory();
    DroolsVarFactory df = (DroolsVarFactory) factory.getNextFactory();
    Object[] vars = ((MVELAccumulatorContext) context).getShadow().remove(handle.getId());
    for (int i = 0; i < df.getOtherVarsPos(); i++) {
        factory.getIndexedVariableResolver(i).setValue(vars[i]);
    }
    if (localVars.length > 0) {
        for (int i = 0; i < df.getOtherVarsLength(); i++) {
            factory.getIndexedVariableResolver(df.getOtherVarsPos() + i).setValue(localVars[i]);
        }
    }
    // reverseUnit.updateFactory( null, null, handle.getObject(), (LeftTuple) leftTuple, localVars, (InternalWorkingMemory) workingMemory, workingMemory.getGlobalResolver(), factory  );
    MVELSafeHelper.getEvaluator().executeExpression(this.reverse, null, factory);
    if (localVars.length > 0) {
        for (int i = 0; i < df.getOtherVarsLength(); i++) {
            localVars[i] = factory.getIndexedVariableResolver(df.getOtherVarsPos() + i).getValue();
        }
    }
    ((MVELAccumulatorContext) context).setVariables(localVars);
}

Example 94 with VariableResolverFactory

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

the class MVELCompilationUnit method getFactory.

public VariableResolverFactory getFactory(final Object knowledgeHelper, final Declaration[] prevDecl, final Rule rule, final InternalFactHandle rightHandle, final Tuple tuple, final Object[] otherVars, final InternalWorkingMemory workingMemory, final GlobalResolver globals) {
    VariableResolverFactory factory = createFactory();
    updateFactory(knowledgeHelper, prevDecl, rule, rightHandle, rightHandle != null ? rightHandle.getObject() : null, tuple, otherVars, workingMemory, globals, factory);
    return factory;
}

Example 95 with VariableResolverFactory

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

the class MVELCompilationUnit method createFactory.

public VariableResolverFactory createFactory() {
    Object[] vals = new Object[inputIdentifiers.length];
    VariableResolverFactory factory = varModel.createFactory(vals);
    factory.setNextFactory(new DroolsVarFactory());
    return factory;
}