Examples with MetamodelImpl org.eclipse.persistence.internal.jpa.metamodel.MetamodelImpl used on opensource projects

Example 1 with MetamodelImpl

use of org.eclipse.persistence.internal.jpa.metamodel.MetamodelImpl in project eclipselink by eclipse-ee4j.

the class EntityManagerSetupImpl method preInitializeMetamodel.

/**
 * INTERNAL:
 * Cause the first phase of metamodel initialization.  This phase involves detecting the classes involved
 * and build metamodel instances for them.
 */
public void preInitializeMetamodel() {
    // perform lazy initialisation
    Metamodel tempMetaModel = null;
    if (null == metaModel) {
        // 338837: verify that the collection is not empty - this would mean entities did not make it into the search path
        tempMetaModel = new MetamodelImpl(this);
        // set variable after init has executed without exception
        metaModel = tempMetaModel;
    }
}

Example 2 with MetamodelImpl

use of org.eclipse.persistence.internal.jpa.metamodel.MetamodelImpl in project eclipselink by eclipse-ee4j.

the class MetamodelMetamodelTest method testAttribute_getAttribute_of_TransientNonEntityNonMappedSuperclass_SuperclassOfEntity_throws_IAE.

// Test that we are getting an Illegal argument exception when trying to access non-persistent fields from transient classes
public void testAttribute_getAttribute_of_TransientNonEntityNonMappedSuperclass_SuperclassOfEntity_throws_IAE() {
    EntityManager em = null;
    boolean exceptionThrown = false;
    try {
        em = privateTestSetup();
        assertNotNull(em);
        Metamodel metamodel = em.getMetamodel();
        assertNotNull("The metamodel should never be null after an em.getMetamodel() call here.", metamodel);
        // Verify that the non-Entity/non-MappedSuperclass is a BasicType
        Type positionNonEntity = ((MetamodelImpl) metamodel).getType(Position.class);
        assertNotNull(positionNonEntity);
        assertEquals(Type.PersistenceType.BASIC, positionNonEntity.getPersistenceType());
        // Get direct inheriting subclass
        EntityTypeImpl<GalacticPosition> entityLocation_ = (EntityTypeImpl) metamodel.entity(GalacticPosition.class);
        assertNotNull(entityLocation_);
        // We will be testing that the non-persistent fields
        Attribute anAttributeThatShouldNotHaveBeenInherited = entityLocation_.getAttribute("nonPersistentObject");
        // we should never get to the following line - go directly to catch block
        assertTrue("IllegalArgumentException expected on transient type attribute should not be in subclass for managedType.getAttribute()", exceptionThrown);
    } catch (IllegalArgumentException iae) {
        // iae.printStackTrace();
        exceptionThrown = true;
        assertTrue("IllegalArgumentException expected on transient type attribute should not be in subclass for managedType.getAttribute()", exceptionThrown);
    } finally {
        cleanup(em);
    }
}

Example 3 with MetamodelImpl

use of org.eclipse.persistence.internal.jpa.metamodel.MetamodelImpl in project eclipselink by eclipse-ee4j.

the class MetamodelMetamodelTest method testIdentifiableType_getIdType_Method.

public void testIdentifiableType_getIdType_Method() {
    EntityManager em = null;
    boolean expectedIAExceptionThrown = false;
    try {
        em = privateTestSetup();
        assertNotNull(em);
        Metamodel metamodel = em.getMetamodel();
        assertNotNull(metamodel);
        EntityTypeImpl<Manufacturer> entityManufacturer_ = (EntityTypeImpl) metamodel.entity(Manufacturer.class);
        assertNotNull(entityManufacturer_);
        EntityTypeImpl<GalacticPosition> entityLocation_ = (EntityTypeImpl) metamodel.entity(GalacticPosition.class);
        assertNotNull(entityLocation_);
        EntityTypeImpl<Computer> entityComputer_ = (EntityTypeImpl) metamodel.entity(Computer.class);
        assertNotNull(entityComputer_);
        // Actual Test Case
        /**
         *  Return the type that represents the type of the id.
         *  @return type of id
         */
        // Type<?> getIdType();
        // Test EntityType
        // Test normal path for an [Embeddable] type via @EmbeddedId
        expectedIAExceptionThrown = false;
        Type<?> locationIdType = null;
        try {
            locationIdType = entityLocation_.getIdType();
        } catch (IllegalArgumentException iae) {
            // expecting no exception
            iae.printStackTrace();
            expectedIAExceptionThrown = true;
        }
        assertFalse(expectedIAExceptionThrown);
        assertNotNull(locationIdType);
        assertEquals(PersistenceType.EMBEDDABLE, locationIdType.getPersistenceType());
        assertEquals(EmbeddedPK.class, locationIdType.getJavaType());
        // check that the elementType and the owningType (managedType) are set correctly
        // See issue 50 where some mapping types were not setting the elementType correctly (this includes aggregate types like Embeddable)
        // http://wiki.eclipse.org/EclipseLink/Development/JPA_2.0/metamodel_api#DI_50:_20090727:_Handle_all_mapping_types_in_the_SingularAttribute_constructor
        // Get the ManagedType and check this SingularAttribute PK
        Attribute locationIdAttribute = entityLocation_.getAttribute("primaryKey");
        assertNotNull(locationIdAttribute);
        assertTrue(locationIdAttribute instanceof SingularAttributeImpl);
        assertFalse(locationIdAttribute.isCollection());
        // non-spec.
        assertFalse(((AttributeImpl) locationIdAttribute).isPlural());
        ManagedType locationIdAttributeManagedType = locationIdAttribute.getDeclaringType();
        assertEquals(entityLocation_, locationIdAttributeManagedType);
        ManagedTypeImpl locationIdAttributeManagedTypeImpl = ((SingularAttributeImpl) locationIdAttribute).getManagedTypeImpl();
        assertEquals(locationIdType.getJavaType(), ((SingularAttributeImpl) locationIdAttribute).getBindableJavaType());
        assertEquals(Bindable.BindableType.SINGULAR_ATTRIBUTE, ((SingularAttributeImpl) locationIdAttribute).getBindableType());
        assertEquals(locationIdType.getJavaType(), locationIdAttribute.getJavaType());
        Type embeddableType = ((SingularAttributeImpl) locationIdAttribute).getType();
        assertNotNull(embeddableType);
        assertNotSame(embeddableType, locationIdAttributeManagedType);
        // Test normal path for a [Basic] type
        expectedIAExceptionThrown = false;
        Type<?> computerIdType = null;
        try {
            computerIdType = entityComputer_.getIdType();
        } catch (IllegalArgumentException iae) {
            // expecting no exception
            iae.printStackTrace();
            expectedIAExceptionThrown = true;
        }
        assertFalse(expectedIAExceptionThrown);
        assertNotNull(computerIdType);
        assertEquals(PersistenceType.BASIC, computerIdType.getPersistenceType());
        assertEquals(Integer.class, computerIdType.getJavaType());
        // Test MappedSuperclassType
        // Test normal path for a [Basic] type
        expectedIAExceptionThrown = false;
        Type<?> personIdType = null;
        MappedSuperclassTypeImpl<Person> msPerson_ = (MappedSuperclassTypeImpl) metamodel.managedType(Person.class);
        assertNotNull(msPerson_);
        MappedSuperclassTypeImpl<Corporation> msCorporation_ = (MappedSuperclassTypeImpl) metamodel.managedType(Corporation.class);
        assertNotNull(msCorporation_);
        // Verify all types (entities, embeddables, mappedsuperclasses and basic)
        // get all 21 types (a non spec function - for testing introspection)
        Map<String, TypeImpl<?>> typesMap = ((MetamodelImpl) metamodel).getTypes();
        // verify each one
        assertNotNull(typesMap);
        ((MetamodelImpl) metamodel).printAllTypes();
        // Note: Since BasicTypes are lazy - loaded into the metamodel-types Map - this test must preceed any test that verifies all BasicType objects like "testIdentifiableType_getIdType_Method"
        // You will get a lower number here - if only this single test is run via the Testing Browser
        assertEquals(METAMODEL_ALL_TYPES, typesMap.size());
    } catch (IllegalArgumentException iae) {
        iae.printStackTrace();
        expectedIAExceptionThrown = true;
    } finally {
        cleanup(em);
        assertFalse("An IAE exception should not occur here.", expectedIAExceptionThrown);
    }
}

Example 4 with MetamodelImpl

use of org.eclipse.persistence.internal.jpa.metamodel.MetamodelImpl in project eclipselink by eclipse-ee4j.

the class SubQueryImpl method select.

/**
 * Specify the item that is to be returned in the query result.
 * Replaces the previously specified selection, if any.
 * @param selection  selection specifying the item that
 *        is to be returned in the query result
 * @return the modified query
 */
@Override
public Subquery<T> select(Expression<T> selection) {
    findRootAndParameters(selection);
    for (Iterator<Root<?>> iterator = this.getRoots().iterator(); iterator.hasNext(); ) {
        findJoins((FromImpl) iterator.next());
    }
    for (Iterator<Join<?, ?>> iterator = this.getCorrelatedJoins().iterator(); iterator.hasNext(); ) {
        findJoins((FromImpl) iterator.next());
    }
    this.selection = (SelectionImpl) selection;
    this.queryType = (Class<T>) selection.getJavaType();
    this.subQuery.getItems().clear();
    if (selection.isCompoundSelection()) {
        int count = 0;
        for (Selection select : selection.getCompoundSelectionItems()) {
            this.subQuery.addItem(String.valueOf(count), ((InternalSelection) select).getCurrentNode());
            ++count;
        }
        this.subQuery.setExpressionBuilder(((InternalSelection) selection.getCompoundSelectionItems().get(0)).getCurrentNode().getBuilder());
    } else {
        TypeImpl<? extends T> type = ((MetamodelImpl) this.metamodel).getType(selection.getJavaType());
        if (type != null && type.getPersistenceType().equals(PersistenceType.ENTITY)) {
            this.subQuery.addAttribute("", new ConstantExpression(1, ((InternalSelection) selection).getCurrentNode().getBuilder()));
            this.subQuery.addNonFetchJoinedAttribute(((InternalSelection) selection).getCurrentNode());
        } else {
            String itemName = selection.getAlias();
            if (itemName == null) {
                itemName = ((InternalSelection) selection).getCurrentNode().getName();
            }
            this.subQuery.addItem(itemName, ((InternalSelection) selection).getCurrentNode());
        }
        this.subQuery.setExpressionBuilder(((InternalSelection) selection).getCurrentNode().getBuilder());
    }
    return this;
}

Example 5 with MetamodelImpl

use of org.eclipse.persistence.internal.jpa.metamodel.MetamodelImpl in project eclipselink by eclipse-ee4j.

the class MetamodelMetamodelTest method testOutOfSpecificationInternalAPI.

public void testOutOfSpecificationInternalAPI() {
    EntityManager em = null;
    boolean exceptionThrown = false;
    try {
        em = privateTestSetup();
        assertNotNull(em);
        Metamodel metamodel = em.getMetamodel();
        assertNotNull(metamodel);
        // Actual Test Case
        EntityTypeImpl<ArrayProcessor> entityArrayProcessor_ = (EntityTypeImpl) metamodel.entity(ArrayProcessor.class);
        assertNotNull(entityArrayProcessor_);
        EntityTypeImpl<Processor> entityProcessor_ = (EntityTypeImpl) metamodel.entity(Processor.class);
        assertNotNull(entityProcessor_);
        // verify all Types have their javaClass set
        Collection<TypeImpl<?>> types = ((MetamodelImpl) metamodel).getTypes().values();
        assertNotNull(types);
        for (TypeImpl type : types) {
            assertNotNull(type);
            assertNotNull(type.getJavaType());
        }
        // verify all embeddables are only embeddables
        Set<EmbeddableType<?>> embeddables = metamodel.getEmbeddables();
        assertNotNull(embeddables);
        for (EmbeddableType embeddable : embeddables) {
            // This method works only on EntityType
            assertNotNull(embeddable);
            assertTrue(embeddable instanceof EmbeddableTypeImpl);
        }
        // verify all entities are only entities
        Set<EntityType<?>> entities = metamodel.getEntities();
        assertNotNull(entities);
        for (EntityType entity : entities) {
            // This method works only on EntityType
            assertNotNull(entity.getName());
            assertTrue(entity instanceof EntityTypeImpl);
        }
        // Verify all Attributes and their element and declaring/managed types
        List<Attribute> allAttributes = ((MetamodelImpl) metamodel).getAllManagedTypeAttributes();
        assertNotNull(allAttributes);
        assertEquals(METAMODEL_ALL_ATTRIBUTES_SIZE, allAttributes.size());
        // Why do we have this function? So we can verify attribute integrity
        for (Attribute anAttribute : allAttributes) {
            ManagedType declaringType = anAttribute.getDeclaringType();
            assertNotNull(declaringType);
            Type elementType = null;
            if (((AttributeImpl) anAttribute).isPlural()) {
                elementType = ((PluralAttributeImpl) anAttribute).getElementType();
            } else {
                elementType = ((SingularAttributeImpl) anAttribute).getType();
            }
            assertNotNull("elementType should not be null", elementType);
            // Since the javaType may be computed off the elementType - it must not be null or we will get a NPE below
            Class<?> javaType = anAttribute.getJavaType();
        }
        boolean expectedIAExceptionThrown = false;
        // Check entity-->entity hierarchy
        // Processor:entity (Board boards)
        // +--VectorProcessor
        Set<Attribute<ArrayProcessor, ?>> entityArrayProcessorDeclaredAttributes = entityArrayProcessor_.getDeclaredAttributes();
        assertEquals(1, entityArrayProcessorDeclaredAttributes.size());
        // verify getting the attribute directly
        Attribute<ArrayProcessor, ?> entityArrayProcessorDeclaredAttribute = entityArrayProcessor_.getDeclaredAttribute("speed");
        // verify we do get an IAE on declared type above
        try {
            Attribute<ArrayProcessor, ?> entityArrayProcessorDeclaredAttributeThatIsNonExistent = entityArrayProcessor_.getDeclaredAttribute("non-existent");
        } catch (IllegalArgumentException iae) {
            // expecting no exception
            expectedIAExceptionThrown = true;
        }
        assertTrue("Expected thrown IllegalArgumentException", expectedIAExceptionThrown);
        // Verify we get an IAE on a type declared above
        try {
            Attribute<ArrayProcessor, ?> entityArrayProcessorDeclaredAttributeThatIsDeclaredAbove = entityArrayProcessor_.getDeclaredAttribute("id");
        } catch (IllegalArgumentException iae) {
            // expecting no exception
            expectedIAExceptionThrown = true;
        }
        assertTrue("Expected thrown IllegalArgumentException", expectedIAExceptionThrown);
        Set<Attribute<Processor, ?>> entityProcessorDeclaredAttributes = entityProcessor_.getDeclaredAttributes();
        assertEquals(3, entityProcessorDeclaredAttributes.size());
    } catch (IllegalArgumentException iae) {
        iae.printStackTrace();
        exceptionThrown = true;
    } finally {
        cleanup(em);
        assertFalse("An IAE exception should not occur here.", exceptionThrown);
    }
}