Examples with ClassFieldAccessorStore org.drools.mvel.accessors.ClassFieldAccessorStore used on opensource projects

Example 1 with ClassFieldAccessorStore

use of org.drools.mvel.accessors.ClassFieldAccessorStore in project drools by kiegroup.

the class BetaNodeBuilder method build.

public BetaNode build() {
    NodeFactory nFactory = CoreComponentFactory.get().getNodeFactoryService();
    EntryPointNode epn = buildContext.getRuleBase().getRete().getEntryPointNodes().values().iterator().next();
    ObjectTypeNode otn = nFactory.buildObjectTypeNode(buildContext.getNextNodeId(), epn, new ClassObjectType(leftType), buildContext);
    LeftInputAdapterNode leftInput = nFactory.buildLeftInputAdapterNode(buildContext.getNextNodeId(), otn, buildContext, false);
    ObjectSource rightInput = nFactory.buildObjectTypeNode(buildContext.getNextNodeId(), epn, new ClassObjectType(rightType), buildContext);
    ReteTesterHelper reteTesterHelper = new ReteTesterHelper();
    Pattern pattern = new Pattern(0, new ClassObjectType(leftType));
    // BetaNodeFieldConstraint betaConstraint = null;
    BetaConstraints betaConstraints = null;
    if (constraintFieldName != null) {
        ClassFieldAccessorStore store = (ClassFieldAccessorStore) reteTesterHelper.getStore();
        InternalReadAccessor extractor = store.getReader(leftType, leftFieldName);
        Declaration declr = new Declaration(leftVariableName, extractor, pattern);
        betaConstraints = new SingleBetaConstraints(reteTesterHelper.getBoundVariableConstraint(rightType, constraintFieldName, declr, constraintOperator), buildContext.getRuleBase().getConfiguration());
    } else {
        betaConstraints = new EmptyBetaConstraints();
    }
    switch(nodeType) {
        case NodeTypeEnums.JoinNode:
            return new JoinNode(0, leftInput, rightInput, betaConstraints, buildContext);
        case NodeTypeEnums.NotNode:
            return new NotNode(0, leftInput, rightInput, betaConstraints, buildContext);
        case NodeTypeEnums.ExistsNode:
            return new ExistsNode(0, leftInput, rightInput, betaConstraints, buildContext);
    }
    throw new IllegalStateException("Unable to build Node");
}

Example 2 with ClassFieldAccessorStore

use of org.drools.mvel.accessors.ClassFieldAccessorStore in project drools by kiegroup.

the class AbstractTraitFactory method buildClassDefinition.

public ClassDefinition buildClassDefinition(Class<?> klazz, Class<?> wrapperClass) throws IOException {
    ClassFieldInspectorImpl inspector = new ClassFieldInspectorImpl(klazz);
    ClassFieldAccessorStore store = getClassFieldAccessorStore();
    ClassDefinition def;
    if (!klazz.isInterface()) {
        String className = wrapperClass.getName();
        String superClass = wrapperClass != klazz ? klazz.getName() : klazz.getSuperclass().getName();
        String[] interfaces = new String[klazz.getInterfaces().length + 1];
        for (int j = 0; j < klazz.getInterfaces().length; j++) {
            interfaces[j] = klazz.getInterfaces()[j].getName();
        }
        interfaces[interfaces.length - 1] = CoreWrapper.class.getName();
        def = new ClassDefinition(className, superClass, interfaces);
        def.setDefinedClass(wrapperClass);
        Traitable tbl = wrapperClass.getAnnotation(Traitable.class);
        def.setTraitable(true, tbl != null && tbl.logical());
        Map<String, Field> fields = inspector.getFieldTypesField();
        for (Field f : fields.values()) {
            if (f != null) {
                FieldDefinition fld = new FieldDefinition();
                fld.setName(f.getName());
                fld.setTypeName(f.getType().getName());
                fld.setInherited(true);
                ClassFieldAccessor accessor = store.getAccessor(def.getDefinedClass().getName(), fld.getName());
                fld.setReadWriteAccessor(accessor);
                if (inspector.getGetterMethods().containsKey(f.getName())) {
                    fld.setGetterName(inspector.getGetterMethods().get(f.getName()).getName());
                }
                if (inspector.getSetterMethods().containsKey(f.getName())) {
                    fld.setSetterName(inspector.getSetterMethods().get(f.getName()).getName());
                }
                def.addField(fld);
            }
        }
    } else {
        String className = klazz.getName();
        String superClass = Object.class.getName();
        String[] interfaces = new String[klazz.getInterfaces().length];
        for (int j = 0; j < klazz.getInterfaces().length; j++) {
            interfaces[j] = klazz.getInterfaces()[j].getName();
        }
        def = new ClassDefinition(className, superClass, interfaces);
        def.setDefinedClass(klazz);
        Map<String, Method> properties = inspector.getGetterMethods();
        for (Map.Entry<String, Method> propEntry : properties.entrySet()) {
            Method m = propEntry.getValue();
            if (m != null && m.getDeclaringClass() != TraitType.class && m.getDeclaringClass() != Thing.class && inspector.getSetterMethods().containsKey(propEntry.getKey())) {
                FieldDefinition fld = new FieldDefinition();
                fld.setName(getterToFieldName(m.getName()));
                fld.setTypeName(m.getReturnType().getName());
                fld.setInherited(true);
                ClassFieldAccessor accessor = store.getAccessor(def.getDefinedClass().getName(), fld.getName());
                fld.setReadWriteAccessor(accessor);
                fld.setGetterName(m.getName());
                fld.setSetterName(inspector.getSetterMethods().get(propEntry.getKey()).getName());
                def.addField(fld);
            }
        }
    }
    return def;
}

Example 3 with ClassFieldAccessorStore

use of org.drools.mvel.accessors.ClassFieldAccessorStore in project drools by kiegroup.

the class ClassBuilderTest method build.

private Class build(ClassBuilder builder, ClassDefinition classDef) throws Exception {
    classLoader = new PackageClassLoader(data.getStore(), ProjectClassLoader.createProjectClassLoader());
    byte[] d = builder.buildClass(classDef, classLoader);
    data.write(convertClassToResourcePath(classDef.getClassName()), d);
    this.store = new ClassFieldAccessorStore();
    store.setClassFieldAccessorCache(new ClassFieldAccessorCache(classLoader));
    store.setEagerWire(true);
    Class clazz = classLoader.loadClass(classDef.getClassName());
    classDef.setDefinedClass(clazz);
    return clazz;
}

Example 4 with ClassFieldAccessorStore

use of org.drools.mvel.accessors.ClassFieldAccessorStore in project drools by kiegroup.

the class InstancesHashcodedTest method build.

/*
        <dimension name="bck_cycle_dm"  item-expression="cycleDimension"
                   mode="ignore" cache="10" export-to="cycle_id">
            <id    name="objid"            type="long"             generator-sql="select bck_dimensions_uid.nextval from dual"/>
            <field name="cut_date"         type="java.util.Date"   value="cutDate"     key="true"/>
            <field name="due_date"         type="java.util.Date"   value="dueDate"     key="true"/>
            <field name="cycle_code"       type="java.lang.String" value="cycleCode"/>
            <field name="issue_date"       type="java.util.Date"   value="issueDate"/>
        </dimension>
 */
private Class build(ClassBuilder builder, ClassDefinition classDef) throws Exception {
    ProjectClassLoader prjClassLoader = ProjectClassLoader.createProjectClassLoader();
    byte[] d = builder.buildClass(classDef, prjClassLoader);
    JavaDialectRuntimeData data = new JavaDialectRuntimeData();
    data.write(convertClassToResourcePath(classDef.getClassName()), d);
    ClassLoader classLoader = new PackageClassLoader(data.getStore(), prjClassLoader);
    ClassFieldAccessorStore store = new ClassFieldAccessorStore();
    store.setClassFieldAccessorCache(new ClassFieldAccessorCache(classLoader));
    store.setEagerWire(true);
    Class clazz = classLoader.loadClass(classDef.getClassName());
    classDef.setDefinedClass(clazz);
    return clazz;
}

Example 5 with ClassFieldAccessorStore

use of org.drools.mvel.accessors.ClassFieldAccessorStore in project drools by kiegroup.

the class CharClassFieldExtractorTest method setUp.

@Before
public void setUp() throws Exception {
    ClassFieldAccessorStore store = new ClassFieldAccessorStore();
    store.setClassFieldAccessorCache(new ClassFieldAccessorCache(Thread.currentThread().getContextClassLoader()));
    store.setEagerWire(true);
    this.reader = store.getReader(TestBean.class, "charAttr");
}