| /******************************************************************************* |
| * Copyright (c) 2011 Oracle. All rights reserved. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 |
| * which accompanies this distribution. |
| * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html |
| * and the Eclipse Distribution License is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * Contributors: |
| * Oracle - initial API and implementation |
| * |
| ******************************************************************************/ |
| package org.eclipse.jpt.jpa.core.internal.jpql; |
| |
| import java.lang.annotation.Annotation; |
| import java.util.Iterator; |
| import java.util.List; |
| import org.eclipse.jpt.common.utility.internal.CollectionTools; |
| import org.eclipse.jpt.common.utility.internal.StringTools; |
| import org.eclipse.jpt.common.utility.internal.iterators.TransformationIterator; |
| import org.eclipse.jpt.jpa.core.MappingKeys; |
| import org.eclipse.jpt.jpa.core.context.AttributeMapping; |
| import org.eclipse.jpt.jpa.core.context.PersistentAttribute; |
| import org.eclipse.jpt.jpa.core.context.java.JavaPersistentAttribute; |
| import org.eclipse.jpt.jpa.core.jpa2.MappingKeys2_0; |
| import org.eclipse.jpt.jpa.core.resource.java.JavaResourcePersistentAttribute; |
| import org.eclipse.persistence.jpa.jpql.spi.IManagedType; |
| import org.eclipse.persistence.jpa.jpql.spi.IMapping; |
| import org.eclipse.persistence.jpa.jpql.spi.IMappingType; |
| import org.eclipse.persistence.jpa.jpql.spi.IType; |
| import org.eclipse.persistence.jpa.jpql.spi.ITypeDeclaration; |
| |
| /** |
| * The concrete implementation of {@link IMapping} that is wrapping the design-time representation |
| * of a mapping. |
| * |
| * @version 3.0 |
| * @since 3.0 |
| * @author Pascal Filion |
| */ |
| @SuppressWarnings("nls") |
| final class JpaMapping implements IMapping { |
| |
| /** |
| * The design-time {@link AttributeMapping} wrapped by this class. |
| */ |
| private final AttributeMapping mapping; |
| |
| /** |
| * The type of the actual mapping. |
| */ |
| private IMappingType mappingType; |
| |
| /** |
| * The parent of this mapping. |
| */ |
| private final JpaManagedType parent; |
| |
| /** |
| * The {@link IType} of the property represented by the mapping. |
| */ |
| private IType type; |
| |
| /** |
| * The {@link ITypeDeclaration} of the property represented by the mapping. |
| */ |
| private ITypeDeclaration typeDeclaration; |
| |
| /** |
| * Creates a new <code>JpaMapping</code>. |
| * |
| * @param parent The parent of this mapping |
| * @param mapping The design-time {@link AttributeMapping} wrapped by this class |
| */ |
| JpaMapping(JpaManagedType parent, AttributeMapping mapping) { |
| super(); |
| this.parent = parent; |
| this.mapping = mapping; |
| } |
| |
| private ITypeDeclaration[] buildGenericTypeDeclarations() { |
| JavaPersistentAttribute javaPersistentAttribute = mapping.getPersistentAttribute().getJavaPersistentAttribute(); |
| JavaResourcePersistentAttribute resource = javaPersistentAttribute.getResourcePersistentAttribute(); |
| List<ITypeDeclaration> declarations = CollectionTools.list(buildGenericTypeDeclarations(resource)); |
| return declarations.toArray(new ITypeDeclaration[declarations.size()]); |
| } |
| |
| private Iterator<ITypeDeclaration> buildGenericTypeDeclarations(JavaResourcePersistentAttribute resource) { |
| return new TransformationIterator<String, ITypeDeclaration>(resource.typeTypeArgumentNames()) { |
| @Override |
| protected ITypeDeclaration transform(String next) { |
| return getTypeRepository().getType(next).getTypeDeclaration(); |
| } |
| }; |
| } |
| |
| private ITypeDeclaration buildTypeDeclaration() { |
| |
| PersistentAttribute property = mapping.getPersistentAttribute(); |
| boolean array = property.getTypeName().endsWith("[]"); |
| int dimensionality = 0; |
| |
| if (array) { |
| dimensionality = getType().getTypeDeclaration().getDimensionality(); |
| } |
| |
| return new JpaTypeDeclaration( |
| getType(), |
| buildGenericTypeDeclarations(), |
| dimensionality |
| ); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public int compareTo(IMapping mapping) { |
| return getName().compareTo(mapping.getName()); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public IMappingType getMappingType() { |
| if (mappingType == null) { |
| getTypeDeclaration(); |
| mappingType = mappingType(); |
| } |
| return mappingType; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public String getName() { |
| return mapping.getName(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public IManagedType getParent() { |
| return parent; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public IType getType() { |
| if (type == null) { |
| PersistentAttribute property = mapping.getPersistentAttribute(); |
| type = getTypeRepository().getType(property.getTypeName()); |
| } |
| return type; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public ITypeDeclaration getTypeDeclaration() { |
| if (typeDeclaration == null) { |
| typeDeclaration = buildTypeDeclaration(); |
| } |
| return typeDeclaration; |
| } |
| |
| private JpaTypeRepository getTypeRepository() { |
| return parent.getProvider().getTypeRepository(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public boolean hasAnnotation(Class<? extends Annotation> annotationType) { |
| JavaResourcePersistentAttribute attribute = mapping.getPersistentAttribute().getJavaPersistentAttribute().getResourcePersistentAttribute(); |
| return attribute.getAnnotation(annotationType.getName()) != null; |
| } |
| |
| private IMappingType mappingType() { |
| |
| String type = mapping.getKey(); |
| |
| // Basic |
| if (type == MappingKeys.BASIC_ATTRIBUTE_MAPPING_KEY) { |
| return IMappingType.BASIC; |
| } |
| |
| // Embedded |
| if (type == MappingKeys.EMBEDDED_ATTRIBUTE_MAPPING_KEY) { |
| return IMappingType.EMBEDDED; |
| } |
| |
| // Embedded Id |
| if (type == MappingKeys.EMBEDDED_ID_ATTRIBUTE_MAPPING_KEY) { |
| return IMappingType.EMBEDDED_ID; |
| } |
| |
| // Id |
| if (type == MappingKeys.ID_ATTRIBUTE_MAPPING_KEY) { |
| return IMappingType.ID; |
| } |
| |
| // M:M |
| if (type == MappingKeys.MANY_TO_MANY_ATTRIBUTE_MAPPING_KEY) { |
| return IMappingType.MANY_TO_MANY; |
| } |
| |
| // 1:M |
| if (type == MappingKeys.ONE_TO_MANY_ATTRIBUTE_MAPPING_KEY) { |
| return IMappingType.ONE_TO_MANY; |
| } |
| |
| // M:1 |
| if (type == MappingKeys.MANY_TO_ONE_ATTRIBUTE_MAPPING_KEY) { |
| return IMappingType.MANY_TO_ONE; |
| } |
| |
| // 1:1 |
| if (type == MappingKeys.ONE_TO_ONE_ATTRIBUTE_MAPPING_KEY) { |
| return IMappingType.ONE_TO_ONE; |
| } |
| |
| // Version |
| if (type == MappingKeys.VERSION_ATTRIBUTE_MAPPING_KEY) { |
| return IMappingType.VERSION; |
| } |
| |
| // Element Collection |
| if (type == MappingKeys2_0.ELEMENT_COLLECTION_ATTRIBUTE_MAPPING_KEY) { |
| return IMappingType.ELEMENT_COLLECTION; |
| } |
| |
| // Basic Collection |
| // if (type == EclipseLinkMappingKeys.BASIC_COLLECTION_ATTRIBUTE_MAPPING_KEY) { |
| // return IMappingType.BASIC_COLLECTION; |
| // } |
| // |
| // // Basic Map |
| // if (type == EclipseLinkMappingKeys.BASIC_MAP_ATTRIBUTE_MAPPING_KEY) { |
| // return IMappingType.BASIC_MAP; |
| // } |
| // |
| // // Transformation |
| // if (type == EclipseLinkMappingKeys.TRANSFORMATION_ATTRIBUTE_MAPPING_KEY) { |
| // return IMappingType.TRANSFORMATION; |
| // } |
| // |
| // // Variable 1:1 |
| // if (type == EclipseLinkMappingKeys.VARIABLE_ONE_TO_ONE_ATTRIBUTE_MAPPING_KEY) { |
| // return IMappingType.VARIABLE_ONE_TO_ONE; |
| // } |
| |
| return IMappingType.TRANSIENT; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(); |
| StringTools.buildSimpleToStringOn(this, sb); |
| sb.append(", name="); |
| sb.append(getName()); |
| sb.append(", mappingType="); |
| sb.append(getMappingType()); |
| return sb.toString(); |
| } |
| } |