Examples with WorkingMemory org.mvel2.tests.core.res.WorkingMemory used on opensource projects

Example 21 with WorkingMemory

use of org.mvel2.tests.core.res.WorkingMemory in project drools by kiegroup.

the class MvelConditionEvaluator method ensureCompleteEvaluation.

private void ensureCompleteEvaluation(InternalFactHandle handle, InternalWorkingMemory workingMemory, Tuple tuple) {
    if (!evaluated) {
        ASTNode rootNode = getRootNode();
        if (rootNode != null) {
            ensureCompleteEvaluation(rootNode, handle, workingMemory, tuple);
        }
        evaluated = true;
    }
}

Example 22 with WorkingMemory

use of org.mvel2.tests.core.res.WorkingMemory in project drools by kiegroup.

the class ClassFieldAccessorFactory method buildGetMethod.

/**
 * Creates the proxy reader method for the given method
 */
protected static void buildGetMethod(final Class<?> originalClass, final String className, final Class<?> superClass, final Method getterMethod, final ClassWriter cw) {
    final Class<?> fieldType = getterMethod.getReturnType();
    Method overridingMethod;
    try {
        overridingMethod = superClass.getMethod(getOverridingGetMethodName(fieldType), InternalWorkingMemory.class, Object.class);
    } catch (final Exception e) {
        throw new RuntimeException("This is a bug. Please report back to JBoss Rules team.", e);
    }
    final MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, overridingMethod.getName(), Type.getMethodDescriptor(overridingMethod), null, null);
    mv.visitCode();
    final Label l0 = new Label();
    mv.visitLabel(l0);
    mv.visitVarInsn(Opcodes.ALOAD, 2);
    mv.visitTypeInsn(Opcodes.CHECKCAST, Type.getInternalName(originalClass));
    if (originalClass.isInterface()) {
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, Type.getInternalName(originalClass), getterMethod.getName(), Type.getMethodDescriptor(getterMethod));
    } else {
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(originalClass), getterMethod.getName(), Type.getMethodDescriptor(getterMethod));
    }
    mv.visitInsn(Type.getType(fieldType).getOpcode(Opcodes.IRETURN));
    final Label l1 = new Label();
    mv.visitLabel(l1);
    mv.visitLocalVariable("this", "L" + className + ";", null, l0, l1, 0);
    mv.visitLocalVariable("workingMemory", Type.getDescriptor(InternalWorkingMemory.class), null, l0, l1, 1);
    mv.visitLocalVariable("object", Type.getDescriptor(Object.class), null, l0, l1, 2);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

Example 23 with WorkingMemory

use of org.mvel2.tests.core.res.WorkingMemory 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 24 with WorkingMemory

use of org.mvel2.tests.core.res.WorkingMemory 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 25 with WorkingMemory

use of org.mvel2.tests.core.res.WorkingMemory 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;
}