| /* |
| * Copyright (c) 2010-2012 Eike Stepper (Berlin, Germany) and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Martin Taal - initial API and implementation |
| * Eike Stepper - maintenance |
| */ |
| package org.eclipse.emf.cdo.server.hibernate.teneo; |
| |
| import org.eclipse.emf.common.util.WrappedException; |
| import org.eclipse.emf.ecore.EPackage; |
| import org.eclipse.emf.teneo.PersistenceOptions; |
| import org.eclipse.emf.teneo.annotations.mapper.EDataTypeAnnotator; |
| import org.eclipse.emf.teneo.annotations.mapper.EFeatureAnnotator; |
| import org.eclipse.emf.teneo.annotations.mapper.OneToManyReferenceAnnotator; |
| import org.eclipse.emf.teneo.annotations.xml.XmlPersistenceContentHandler; |
| import org.eclipse.emf.teneo.extension.ExtensionManager; |
| import org.eclipse.emf.teneo.extension.ExtensionManagerFactory; |
| import org.eclipse.emf.teneo.extension.ExtensionUtil; |
| import org.eclipse.emf.teneo.hibernate.mapper.ManyAttributeMapper; |
| import org.eclipse.emf.teneo.hibernate.mapper.MappingContext; |
| import org.eclipse.emf.teneo.hibernate.mapper.MappingUtil; |
| import org.eclipse.emf.teneo.hibernate.mapper.OneToManyMapper; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Properties; |
| |
| /** |
| * Generates a CDO enabled mapping for Hibernate. |
| * |
| * @author <a href="mtaal@elver.org">Martin Taal</a> |
| * @since 3.0 |
| */ |
| public class CDOMappingGenerator |
| { |
| private static Map<String, String> extensions = new HashMap<String, String>(); |
| |
| private ExtensionManager extensionManager = ExtensionManagerFactory.getInstance().create(); |
| |
| public CDOMappingGenerator() |
| { |
| } |
| |
| public void registerCDOExtensions(ExtensionManager extensionManager) |
| { |
| MappingUtil.registerHbExtensions(extensionManager); |
| |
| // very strange but these can not go into the constructor... |
| // get a class not found exception then |
| addDefaultExtension(MappingContext.class, CDOMappingContext.class, extensionManager); |
| addDefaultExtension(EFeatureAnnotator.class, CDOEFeatureAnnotator.class, extensionManager); |
| addDefaultExtension(ManyAttributeMapper.class, CDOManyAttributeMapper.class, extensionManager); |
| addDefaultExtension(XmlPersistenceContentHandler.class, CDOXmlPersistenceContentHandler.class, extensionManager); |
| addDefaultExtension(EDataTypeAnnotator.class, CDOEDataTypeAnnotator.class, extensionManager); |
| addDefaultExtension(OneToManyMapper.class, CDOOneToManyMapper.class, extensionManager); |
| addDefaultExtension(OneToManyReferenceAnnotator.class, CDOOneToManyReferenceAnnotator.class, extensionManager); |
| |
| for (String key : extensions.keySet()) |
| { |
| try |
| { |
| final Class<?> keyClass = Thread.currentThread().getContextClassLoader().loadClass(key); |
| final Class<?> valueClass = Thread.currentThread().getContextClassLoader().loadClass(extensions.get(key)); |
| extensionManager.registerExtension(ExtensionUtil.createExtension(keyClass, valueClass, false)); |
| } |
| catch (Exception e) |
| { |
| throw new WrappedException(e); |
| } |
| } |
| } |
| |
| protected void addDefaultExtension(Class<?> extensionClass, Class<?> extendingClass, |
| ExtensionManager extensionManager) |
| { |
| if (extensions.containsKey(extensionClass.getName())) |
| { |
| return; |
| } |
| |
| extensionManager.registerExtension(ExtensionUtil.createExtension(extensionClass, extendingClass, false)); |
| } |
| |
| public Map<String, String> getExtensions() |
| { |
| return extensions; |
| } |
| |
| public void putExtension(String extensionClassName, String extendingClassName) |
| { |
| extensions.put(extensionClassName, extendingClassName); |
| } |
| |
| /** |
| * Separate utility method, generates a hibernate mapping for a set of epackages and options. The hibernate.hbm.xml is |
| * returned as a string. The mapping is not registered or used in any other way by Elver. |
| */ |
| public String generateMapping(EPackage[] epackages, Properties props) |
| { |
| // set some default properties |
| // never use hibernate optimistic locking |
| props.put(PersistenceOptions.ALWAYS_VERSION, "false"); //$NON-NLS-1$ |
| |
| if (!props.containsKey(PersistenceOptions.ID_COLUMN_NAME)) |
| { |
| props.put(PersistenceOptions.ID_COLUMN_NAME, "idcol"); //$NON-NLS-1$ |
| } |
| |
| if (!props.containsKey(PersistenceOptions.VERSION_COLUMN_NAME)) |
| { |
| props.put(PersistenceOptions.VERSION_COLUMN_NAME, "version"); //$NON-NLS-1$ |
| } |
| |
| props.setProperty(PersistenceOptions.FEATUREMAP_AS_COMPONENT, "true"); |
| props.put(PersistenceOptions.ALSO_MAP_AS_CLASS, "false"); //$NON-NLS-1$ |
| props.put(PersistenceOptions.EMAP_AS_TRUE_MAP, "false"); //$NON-NLS-1$ |
| registerCDOExtensions(extensionManager); |
| return MappingUtil.generateMapping(epackages, props, extensionManager); |
| } |
| } |