Examples with And org.mvel2.ast.And used on opensource projects

Example 51 with And

use of org.mvel2.ast.And in project mvel by mvel.

the class TemplateTests method testDRLTemplate.

public void testDRLTemplate() {
    String template = "@declare{\"drl\"}@includeNamed{\"ced\"; node=root }@end{}" + "" + "@declare{\"ced\"}" + "@if{ node.base==1 } @includeNamed{ \"cedX\"; connect=\"AND\"; args=node.list }" + "@elseif{ node.base ==2 }@includeNamed{ \"cedX\"; connect=\"OR\"; args=node.list }" + "@end{}" + "@end{}" + "" + "@declare{\"cedX\"}@{connect}@foreach{child : args}" + "@includeNamed{\"ced\"; node=child; }@end{} @{connect}@end{}";
    TemplateRegistry reportRegistry = new SimpleTemplateRegistry();
    reportRegistry.addNamedTemplate("drl", TemplateCompiler.compileTemplate(template));
    TemplateRuntime.execute(reportRegistry.getNamedTemplate("drl"), null, reportRegistry);
    Map<String, Object> context = new HashMap<String, Object>();
    context.put("root", new Node(2, Arrays.asList(new Node(1, Collections.EMPTY_LIST))));
    String result = (String) TemplateRuntime.execute(reportRegistry.getNamedTemplate("drl"), null, new MapVariableResolverFactory(context), reportRegistry);
    assertEquals("OR AND AND OR", result);
}

Example 52 with And

use of org.mvel2.ast.And in project drools by kiegroup.

the class DefaultEnumClassBuilder method buildClass.

/**
 * Dynamically builds, defines and loads a class based on the given class definition
 *
 * @param classDef the class definition object structure
 *
 * @return the Class instance for the given class definition
 *
 * @throws java.io.IOException
 * @throws java.lang.reflect.InvocationTargetException
 * @throws IllegalAccessException
 * @throws NoSuchMethodException
 * @throws ClassNotFoundException
 * @throws IllegalArgumentException
 * @throws SecurityException
 * @throws NoSuchFieldException
 * @throws InstantiationException
 */
public byte[] buildClass(ClassDefinition classDef, ClassLoader classLoader) throws IOException, SecurityException, IllegalArgumentException, ClassNotFoundException, NoSuchMethodException, IllegalAccessException, InvocationTargetException, InstantiationException, NoSuchFieldException {
    if (!(classDef instanceof EnumClassDefinition)) {
        throw new RuntimeException("FATAL : Trying to create an enum out of a bean class definition  " + classDef);
    }
    EnumClassDefinition edef = (EnumClassDefinition) classDef;
    ClassWriter cw = this.buildClassHeader(classLoader, edef);
    this.buildLiterals(cw, edef);
    this.buildFields(cw, edef);
    this.buildConstructors(cw, edef);
    this.buildGettersAndSetters(cw, edef);
    this.buildEqualityMethods(cw, edef);
    this.buildToString(cw, edef);
    cw.visitEnd();
    byte[] serializedClass = cw.toByteArray();
    return serializedClass;
}

Example 53 with And

use of org.mvel2.ast.And in project drools by kiegroup.

the class DefaultBeanClassBuilder method fieldConstructorStart.

protected void fieldConstructorStart(MethodVisitor mv, ClassDefinition classDef, Collection<FieldDefinition> fieldDefs) {
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    String sup = "";
    try {
        sup = Type.getInternalName(Class.forName(classDef.getSuperClass()));
    } catch (ClassNotFoundException e) {
        sup = BuildUtils.getInternalType(classDef.getSuperClass());
    }
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, sup, "<init>", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] {}));
    // local vars start at 1, as 0 is "this"
    int index = 1;
    for (FieldDefinition field : fieldDefs) {
        if (this.debug) {
            Label l11 = new Label();
            mv.visitLabel(l11);
        }
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitVarInsn(Type.getType(BuildUtils.getTypeDescriptor(field.getTypeName())).getOpcode(Opcodes.ILOAD), index++);
        if (field.getTypeName().equals("long") || field.getTypeName().equals("double")) {
            // long and double variables use 2 words on the variables table
            index++;
        }
        if (!field.isInherited()) {
            mv.visitFieldInsn(Opcodes.PUTFIELD, BuildUtils.getInternalType(classDef.getClassName()), field.getName(), BuildUtils.getTypeDescriptor(field.getTypeName()));
        } else {
            mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, BuildUtils.getInternalType(classDef.getClassName()), field.getWriteMethod(), Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { Type.getType(BuildUtils.getTypeDescriptor(field.getTypeName())) }));
        }
    }
    for (FieldDefinition field : classDef.getFieldsDefinitions()) {
        if (!fieldDefs.contains(field) && field.getInitExpr() != null && !"".equals(field.getInitExpr().trim())) {
            initFieldWithDefaultValue(mv, classDef, field);
        }
    }
    if (classDef.isTraitable()) {
        initializeDynamicTypeStructures(mv, classDef);
    }
}

Example 54 with And

use of org.mvel2.ast.And in project drools by kiegroup.

the class DefaultBeanClassBuilder method buildFieldTMS.

/**
 * A traitable class is a special class with support for dynamic properties and types.
 *
 * A traitable class in logical mode provides additional control over the values
 * and type(s) of its fields.
 *
 * @param cw
 * @param def
 */
protected void buildFieldTMS(ClassWriter cw, ClassDefinition def) {
    FieldVisitor fv = cw.visitField(Opcodes.ACC_PRIVATE, TraitableBean.FIELDTMS_FIELD_NAME, Type.getDescriptor(TraitFieldTMS.class), null, null);
    fv.visitEnd();
    MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "_getFieldTMS", Type.getMethodDescriptor(Type.getType(TraitFieldTMS.class), new Type[] {}), null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, BuildUtils.getInternalType(def.getName()), TraitableBean.FIELDTMS_FIELD_NAME, Type.getDescriptor(TraitFieldTMS.class));
    mv.visitInsn(ARETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
    mv = cw.visitMethod(ACC_PUBLIC, "_setFieldTMS", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { Type.getType(TraitFieldTMS.class) }), null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitFieldInsn(PUTFIELD, BuildUtils.getInternalType(def.getName()), TraitableBean.FIELDTMS_FIELD_NAME, Type.getDescriptor(TraitFieldTMS.class));
    mv.visitInsn(RETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

Example 55 with And

use of org.mvel2.ast.And in project drools by kiegroup.

the class DefaultBeanClassBuilder method buildConstructorWithFields.

/**
 * Creates a constructor that takes and assigns values to all
 * fields in the order they are declared.
 *
 * @param cw
 * @param classDef
 */
protected void buildConstructorWithFields(ClassVisitor cw, ClassDefinition classDef, Collection<FieldDefinition> fieldDefs) {
    Type[] params = new Type[fieldDefs.size()];
    int index = 0;
    for (FieldDefinition field : fieldDefs) {
        params[index++] = Type.getType(BuildUtils.getTypeDescriptor(field.getTypeName()));
    }
    MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", Type.getMethodDescriptor(Type.VOID_TYPE, params), null, null);
    mv.visitCode();
    Label l0 = null;
    if (this.debug) {
        l0 = new Label();
        mv.visitLabel(l0);
    }
    fieldConstructorStart(mv, classDef, fieldDefs);
    mv.visitInsn(Opcodes.RETURN);
    Label l1 = null;
    if (this.debug) {
        l1 = new Label();
        mv.visitLabel(l1);
        mv.visitLocalVariable("this", BuildUtils.getTypeDescriptor(classDef.getClassName()), null, l0, l1, 0);
        for (FieldDefinition field : classDef.getFieldsDefinitions()) {
            Label l11 = new Label();
            mv.visitLabel(l11);
            mv.visitLocalVariable(field.getName(), BuildUtils.getTypeDescriptor(field.getTypeName()), null, l0, l1, 0);
        }
    }
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}