Examples with IReferenceDescription org.eclipse.xtext.resource.IReferenceDescription used on opensource projects

Example 11 with IReferenceDescription

use of org.eclipse.xtext.resource.IReferenceDescription in project xtext-core by eclipse.

the class DefaultReferenceDescriptionTest method testLazyLinkingProxyReferences.

/**
 * @see https://bugs.eclipse.org/bugs/show_bug.cgi?id=330812
 */
@Test
public void testLazyLinkingProxyReferences() {
    URI resourceUri = URI.createPlatformResourceURI("test.ecore", true);
    LazyURIEncoder lazyURIEncoder = new LazyURIEncoder();
    ResourceSet resourceSet = new ResourceSetImpl();
    Resource testResource = resourceSet.createResource(resourceUri);
    EPackage ePackage = EcoreFactory.eINSTANCE.createEPackage();
    ePackage.setName("test");
    ePackage.setNsPrefix("test");
    ePackage.setNsURI("test");
    testResource.getContents().add(ePackage);
    EClass eClass = EcoreFactory.eINSTANCE.createEClass();
    eClass.setName("Test");
    ePackage.getEClassifiers().add(eClass);
    EClass multiRefType = EcoreFactory.eINSTANCE.createEClass();
    ((InternalEObject) multiRefType).eSetProxyURI(EcoreUtil.getURI(EcorePackage.Literals.EPACKAGE));
    eClass.getESuperTypes().add(multiRefType);
    EClass multiRefType2 = EcoreFactory.eINSTANCE.createEClass();
    URI dummyProxyUri = resourceUri.appendFragment(lazyURIEncoder.encode(eClass, EcorePackage.Literals.ECLASS__ESUPER_TYPES, null));
    ((InternalEObject) multiRefType2).eSetProxyURI(dummyProxyUri);
    eClass.getESuperTypes().add(multiRefType2);
    EAttribute nameAttribute = EcoreFactory.eINSTANCE.createEAttribute();
    nameAttribute.setName("name");
    eClass.getEStructuralFeatures().add(nameAttribute);
    EDataType singleRefType = EcoreFactory.eINSTANCE.createEDataType();
    ((InternalEObject) singleRefType).eSetProxyURI(EcoreUtil.getURI(EcorePackage.Literals.ESTRING));
    nameAttribute.setEType(singleRefType);
    assertTrue(multiRefType.eIsProxy());
    assertTrue(multiRefType2.eIsProxy());
    assertTrue(lazyURIEncoder.isCrossLinkFragment(testResource, EcoreUtil.getURI(multiRefType2).fragment()));
    assertTrue(singleRefType.eIsProxy());
    IResourceDescription resourceDescription = createResourceDescription(testResource);
    Iterable<IReferenceDescription> referenceDescriptions = resourceDescription.getReferenceDescriptions();
    assertEquals("Unexpected additional resources were loaded", 1, resourceSet.getResources().size());
    assertEquals("Unexpected reference was exported", 3, Iterables.size(referenceDescriptions));
    IReferenceDescription referenceDescription = Iterables.get(referenceDescriptions, 0);
    assertEquals(0, referenceDescription.getIndexInList());
    assertEquals(EcoreUtil.getURI(eClass), referenceDescription.getSourceEObjectUri());
    assertEquals(EcorePackage.Literals.ECLASS__ESUPER_TYPES, referenceDescription.getEReference());
    assertEquals(EcoreUtil.getURI(EcorePackage.Literals.EPACKAGE), referenceDescription.getTargetEObjectUri());
    referenceDescription = Iterables.get(referenceDescriptions, 1);
    assertEquals(-1, referenceDescription.getIndexInList());
    assertEquals(EcoreUtil.getURI(nameAttribute.getEGenericType()), referenceDescription.getSourceEObjectUri());
    assertEquals(EcorePackage.Literals.EGENERIC_TYPE__ECLASSIFIER, referenceDescription.getEReference());
    assertEquals(EcoreUtil.getURI(EcorePackage.Literals.ESTRING), referenceDescription.getTargetEObjectUri());
    referenceDescription = Iterables.get(referenceDescriptions, 2);
    assertEquals(-1, referenceDescription.getIndexInList());
    assertEquals(EcoreUtil.getURI(eClass.getEGenericSuperTypes().get(0)), referenceDescription.getSourceEObjectUri());
    assertEquals(EcorePackage.Literals.EGENERIC_TYPE__ECLASSIFIER, referenceDescription.getEReference());
    assertEquals(EcoreUtil.getURI(EcorePackage.Literals.EPACKAGE), referenceDescription.getTargetEObjectUri());
}

Example 12 with IReferenceDescription

use of org.eclipse.xtext.resource.IReferenceDescription in project xtext-core by eclipse.

the class DefaultReferenceDescriptionTest method testCrossResourceContainment.

@Test
public void testCrossResourceContainment() {
    EPackage ePackage = EcoreFactory.eINSTANCE.createEPackage();
    ePackage.setName("test");
    ePackage.setNsPrefix("test");
    ePackage.setNsURI("test");
    EClass eClass = EcoreFactory.eINSTANCE.createEClass();
    eClass.setName("Test");
    ePackage.getEClassifiers().add(eClass);
    EAttribute nameAttribute = EcoreFactory.eINSTANCE.createEAttribute();
    nameAttribute.setName("name");
    nameAttribute.setID(true);
    nameAttribute.setEType(EcorePackage.Literals.ESTRING);
    eClass.getEStructuralFeatures().add(nameAttribute);
    EReference containmentRef = EcoreFactory.eINSTANCE.createEReference();
    containmentRef.setContainment(true);
    containmentRef.setName("crossResourceContainment");
    containmentRef.setEType(eClass);
    containmentRef.setResolveProxies(true);
    eClass.getEStructuralFeatures().add(containmentRef);
    EReference containerRef = EcoreFactory.eINSTANCE.createEReference();
    containerRef.setName("containerRef");
    containerRef.setEType(eClass);
    containerRef.setResolveProxies(true);
    containerRef.setEOpposite(containmentRef);
    containmentRef.setEOpposite(containerRef);
    eClass.getEStructuralFeatures().add(containerRef);
    EObject container = ePackage.getEFactoryInstance().create(eClass);
    EObject child = ePackage.getEFactoryInstance().create(eClass);
    Resource containerResource = new XMIResourceImpl(URI.createPlatformResourceURI("container.ecore", true));
    Resource childResource = new XMIResourceImpl(URI.createPlatformResourceURI("child.ecore", true));
    ResourceSet resourceSet = new ResourceSetImpl();
    resourceSet.getResources().add(containerResource);
    resourceSet.getResources().add(childResource);
    containerResource.getContents().add(container);
    childResource.getContents().add(child);
    container.eSet(containmentRef, child);
    assertTrue(container.eResource() != child.eResource());
    {
        IResourceDescription containerDescription = createResourceDescription(containerResource);
        IReferenceDescription onlyContainerElement = Iterables.getOnlyElement(containerDescription.getReferenceDescriptions());
        assertEquals(-1, onlyContainerElement.getIndexInList());
        assertEquals(EcoreUtil.getURI(container), onlyContainerElement.getSourceEObjectUri());
        assertEquals(containmentRef, onlyContainerElement.getEReference());
        assertEquals(EcoreUtil.getURI(child), onlyContainerElement.getTargetEObjectUri());
    }
    {
        IResourceDescription childDescription = createResourceDescription(childResource);
        IReferenceDescription onlyChildElement = Iterables.getOnlyElement(childDescription.getReferenceDescriptions());
        assertEquals(-1, onlyChildElement.getIndexInList());
        assertEquals(EcoreUtil.getURI(child), onlyChildElement.getSourceEObjectUri());
        assertEquals(containerRef, onlyChildElement.getEReference());
        assertEquals(EcoreUtil.getURI(container), onlyChildElement.getTargetEObjectUri());
    }
}