Java Code Examples for org.eclipse.xtext.common.types.JvmGenericType#setInterface()

@Test
public void testInterfaceDescription_01() {
	JvmGenericType interfaceType = TypesFactory.eINSTANCE.createJvmGenericType();
	interfaceType.setInterface(true);
	interfaceType.setPackageName("foo");
	interfaceType.setSimpleName("MyType");
	List<IEObjectDescription> list = new ArrayList<>();
	descriptionStrategy.createEObjectDescriptions(interfaceType, it -> list.add(it));
	Assert.assertTrue(
			list.stream().anyMatch(it -> "true".equals(it.getUserData(JvmTypesResourceDescriptionStrategy.IS_INTERFACE))));
}
 

@Test
public void testInterfaceDescription_02() {
	JvmGenericType interfaceType = TypesFactory.eINSTANCE.createJvmGenericType();
	interfaceType.setInterface(false);
	interfaceType.setPackageName("foo");
	interfaceType.setSimpleName("MyType");
	List<IEObjectDescription> list = new ArrayList<>();
	descriptionStrategy.createEObjectDescriptions(interfaceType, it -> list.add(it));
	Assert.assertFalse(list.stream().anyMatch(
			it -> "true".equals(it.getUserData(JvmTypesResourceDescriptionStrategy.IS_INTERFACE))));
}
 

@Override
public void registerInterface(final String qualifiedName) throws IllegalArgumentException {
  final JvmGenericType newType = TypesFactory.eINSTANCE.createJvmGenericType();
  newType.setVisibility(JvmVisibility.PUBLIC);
  newType.setInterface(true);
  this.setNameAndAccept(newType, qualifiedName);
}
 

@Override
public void visit(
       final int version,
       final int access,
       final String name,
       final String signature,
       final String superName,
       final String[] interfaces)
   {
   	if ((access & ACC_SYNTHETIC) != 0)
		throw new IllegalStateException("Cannot create type for anonymous or synthetic classes");
   	if ((ACC_ENUM & access) != 0) {
   		result = TypesFactory.eINSTANCE.createJvmEnumerationType();
   		offset = 2;
   	} else if ((ACC_ANNOTATION & access) != 0) {
   		result = TypesFactory.eINSTANCE.createJvmAnnotationType();
   	} else {
   		JvmGenericType generic = TypesFactory.eINSTANCE.createJvmGenericType(); 
   		result = generic;

   		generic.setInterface((access & ACC_INTERFACE) != 0);
   		generic.setStrictFloatingPoint((access & ACC_STRICT) != 0);
   	}
   	setTypeModifiers(access);
   	
   	proxies.setVisibility(access, result);
   	
   	setNameAndPackage(name);

   	BinarySuperTypeSignature genericSignature = null;
	if (signature != null) {
		if ((access & (ACC_STATIC | ACC_INTERFACE)) != 0) {
			typeParameters = Collections.emptyMap();
		}
		genericSignature = BinarySignatures.createSuperTypeSignature(signature);
		if (((ACC_ENUM | ACC_ANNOTATION) & access) == 0) {
			typeParameters = proxies.createTypeParameters(genericSignature, (JvmTypeParameterDeclarator) result, typeParameters);
		}
	}
	setSuperTypes(name, genericSignature, superName, interfaces);
   }
 

/**
 * @since 2.4
 */
protected JvmDeclaredType createType(ITypeBinding typeBinding, String handleIdentifier, List<String> path, StringBuilder fqn) {
	if (typeBinding.isAnonymous() || typeBinding.isSynthetic())
		throw new IllegalStateException("Cannot create type for anonymous or synthetic classes");

	// Creates the right type of instance based on the type of binding.
	//
	JvmGenericType jvmGenericType;
	JvmDeclaredType result;
	if (typeBinding.isAnnotation()) {
		jvmGenericType = null;
		result = TypesFactory.eINSTANCE.createJvmAnnotationType();
	} else if (typeBinding.isEnum()) {
		jvmGenericType = null;
		result = TypesFactory.eINSTANCE.createJvmEnumerationType();
	} else {
		result = jvmGenericType = TypesFactory.eINSTANCE.createJvmGenericType();
		jvmGenericType.setInterface(typeBinding.isInterface());
	}

	// Populate the information computed from the modifiers.
	//
	int modifiers = typeBinding.getModifiers();
	setTypeModifiers(result, modifiers);
	result.setDeprecated(typeBinding.isDeprecated());
	setVisibility(result, modifiers);

	// Determine the simple name and compose the fully qualified name and path, remembering the fqn length and path size so we can reset them.
	//
	String simpleName = typeBinding.getName();
	fqn.append(simpleName);
	int length = fqn.length();
	int size = path.size();
	path.add(simpleName);

	String qualifiedName = fqn.toString();
	result.internalSetIdentifier(qualifiedName);
	result.setSimpleName(simpleName);

	// Traverse the nested types using '$' as the qualified name separator.
	//
	fqn.append('$');
	createNestedTypes(typeBinding, result, handleIdentifier, path, fqn);

	// Traverse the methods using '.'as the qualifed name separator.
	//
	fqn.setLength(length);
	fqn.append('.');
	createMethods(typeBinding, handleIdentifier, path, fqn, result);
	
	createFields(typeBinding, fqn, result);

	// Set the super types.
	//
	setSuperTypes(typeBinding, qualifiedName, result);

	// If this is for a generic type, populate the type parameters.
	//
	if (jvmGenericType != null) {
		ITypeBinding[] typeParameterBindings = typeBinding.getTypeParameters();
		if (typeParameterBindings.length > 0) {
			InternalEList<JvmTypeParameter> typeParameters = (InternalEList<JvmTypeParameter>)jvmGenericType.getTypeParameters();
			for (ITypeBinding variable : typeParameterBindings) {
				typeParameters.addUnique(createTypeParameter(variable, result));
			}
		}
	}

	// Populate the annotation values.
	//
	createAnnotationValues(typeBinding, result);

	// Restore the path.
	//
	path.remove(size);

	return result;
}
 

/** Initialize the SARL capacity context-aware wrapper.
 *
 * @param source the source.
 * @param inferredJvmType the JVM type.
 * @since 0.6
 */
protected void appendCapacityContextAwareWrapper(SarlCapacity source, JvmGenericType inferredJvmType) {
	final JvmGenericType innerType = this.typesFactory.createJvmGenericType();
	innerType.setInterface(false);
	innerType.setAbstract(false);
	innerType.setVisibility(JvmVisibility.PUBLIC);
	innerType.setStatic(true);
	innerType.setStrictFloatingPoint(false);
	innerType.setFinal(false);
	final String innerTypeName = Capacity.ContextAwareCapacityWrapper.class.getSimpleName();
	innerType.setSimpleName(innerTypeName);

	inferredJvmType.getMembers().add(innerType);

	this.typeBuilder.setDocumentation(innerType, "@ExcludeFromApidoc"); //$NON-NLS-1$

	final JvmTypeParameter typeParameter = this.typesFactory.createJvmTypeParameter();
	typeParameter.setName("C"); //$NON-NLS-1$
	final JvmUpperBound constraint = this.typesFactory.createJvmUpperBound();
	constraint.setTypeReference(this._typeReferenceBuilder.typeRef(inferredJvmType));
	typeParameter.getConstraints().add(constraint);
	innerType.getTypeParameters().add(typeParameter);

	final Iterator<JvmTypeReference> extendedTypeIterator = inferredJvmType.getExtendedInterfaces().iterator();
	if (extendedTypeIterator.hasNext()) {
		final JvmTypeReference extendedType = extendedTypeIterator.next();
		final JvmTypeReference superType = this._typeReferenceBuilder.typeRef(
				extendedType.getQualifiedName() + "$" + innerTypeName, //$NON-NLS-1$
				this._typeReferenceBuilder.typeRef(typeParameter));
		innerType.getSuperTypes().add(superType);
	}

	innerType.getSuperTypes().add(this._typeReferenceBuilder.typeRef(inferredJvmType));

	final JvmConstructor constructor = this.typesFactory.createJvmConstructor();
	constructor.setVisibility(JvmVisibility.PUBLIC);
	innerType.getMembers().add(constructor);
	final JvmFormalParameter parameter1 = this.typesFactory.createJvmFormalParameter();
	parameter1.setName("capacity"); //$NON-NLS-1$
	parameter1.setParameterType(this._typeReferenceBuilder.typeRef(typeParameter));
	constructor.getParameters().add(parameter1);
	final JvmFormalParameter parameter2 = this.typesFactory.createJvmFormalParameter();
	parameter2.setName("caller"); //$NON-NLS-1$
	parameter2.setParameterType(this._typeReferenceBuilder.typeRef(AgentTrait.class));
	constructor.getParameters().add(parameter2);
	setBody(constructor, it -> {
		it.append("super(capacity, caller);"); //$NON-NLS-1$
	});

	final Set<ActionPrototype> createdActions = new TreeSet<>();
	for (final JvmGenericType sourceType : Iterables.concat(
			Collections.singletonList(inferredJvmType),
			Iterables.transform(Iterables.skip(inferredJvmType.getExtendedInterfaces(), 1), it -> {
				return (JvmGenericType) it.getType();
			}))) {
		copyNonStaticPublicJvmOperations(sourceType, innerType, createdActions, (operation, it) -> {
			it.append("try {"); //$NON-NLS-1$
			it.newLine();
			it.append("  ensureCallerInLocalThread();"); //$NON-NLS-1$
			it.newLine();
			it.append("  "); //$NON-NLS-1$
			if (operation.getReturnType() != null && !Objects.equal("void", operation.getReturnType().getIdentifier())) { //$NON-NLS-1$
				it.append("return "); //$NON-NLS-1$
			}
			it.append("this.capacity."); //$NON-NLS-1$
			it.append(operation.getSimpleName());
			it.append("("); //$NON-NLS-1$
			boolean first = true;
			for (final JvmFormalParameter fparam : operation.getParameters()) {
				if (first) {
					first = false;
				} else {
					it.append(", "); //$NON-NLS-1$
				}
				it.append(fparam.getName());
			}
			it.append(");"); //$NON-NLS-1$
			it.newLine();
			it.append("} finally {"); //$NON-NLS-1$
			it.newLine();
			it.append("  resetCallerInLocalThread();"); //$NON-NLS-1$
			it.newLine();
			it.append("}"); //$NON-NLS-1$
		});
	}
}
 

/**
 * Creates a public interface declaration, associated to the given sourceElement. It sets the given name, which might be
 * fully qualified using the standard Java notation.
 * 
 * @param sourceElement
 *            the sourceElement the resulting element is associated with.
 * @param name
 *            the qualified name of the resulting class.
 * @param initializer
 *            the initializer to apply on the created interface element. If <code>null</code>, the interface won't be initialized.
 * 
 * @return a {@link JvmGenericType} representing a Java class of the given name, <code>null</code> 
 *            if sourceElement or name are <code>null</code>.
 */
/* @Nullable */ 
public JvmGenericType toInterface(/* @Nullable */ EObject sourceElement, /* @Nullable */ String name, /* @Nullable */ Procedure1<? super JvmGenericType> initializer) {
	final JvmGenericType result = createJvmGenericType(sourceElement, name);
	if (result == null)
		return null;
	result.setInterface(true);
	result.setAbstract(true);
	associate(sourceElement, result);
	return initializeSafely(result, initializer);
}