| /* |
| * Copyright (c) 2009, 2011, 2012, 2015 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 |
| * Eike Stepper - maintenance |
| */ |
| package org.eclipse.emf.cdo.server.internal.hibernate.tuplizer; |
| |
| import org.eclipse.emf.cdo.common.id.CDOID; |
| import org.eclipse.emf.cdo.common.id.CDOIDExternal; |
| import org.eclipse.emf.cdo.common.id.CDOIDUtil; |
| import org.eclipse.emf.cdo.server.internal.hibernate.HibernateUtil; |
| import org.eclipse.emf.cdo.spi.common.revision.CDOFeatureMapEntry; |
| |
| import org.eclipse.emf.ecore.EReference; |
| |
| import org.hibernate.HibernateException; |
| import org.hibernate.PropertyNotFoundException; |
| import org.hibernate.engine.spi.SessionFactoryImplementor; |
| import org.hibernate.engine.spi.SessionImplementor; |
| import org.hibernate.property.Getter; |
| import org.hibernate.property.PropertyAccessor; |
| import org.hibernate.property.Setter; |
| |
| import java.lang.reflect.Member; |
| import java.lang.reflect.Method; |
| import java.util.Map; |
| |
| /** |
| * Implements the Hibernate accessor for mapped feature map properties. The owner object is always an instance of the |
| * {@link CDOFeatureMapEntry}. Returns null if the mapped property has a different name then the current feature of the |
| * owner (the CDOFeatureMapEntry), calls {@link CDOFeatureMapEntry#getValue()} in all other cases. |
| * |
| * @author <a href="mailto:mtaal@elver.org">Martin Taal</a> |
| */ |
| public class FeatureMapEntryPropertyHandler implements PropertyAccessor, Getter, Setter |
| { |
| private static final long serialVersionUID = 1L; |
| |
| private String propertyName; |
| |
| @SuppressWarnings("rawtypes") |
| public Getter getGetter(Class theClass, String propertyName) throws PropertyNotFoundException |
| { |
| return this; |
| } |
| |
| @SuppressWarnings("rawtypes") |
| public Setter getSetter(Class theClass, String propertyName) throws PropertyNotFoundException |
| { |
| return this; |
| } |
| |
| public Member getMember() |
| { |
| return null; |
| } |
| |
| public String getPropertyName() |
| { |
| return propertyName; |
| } |
| |
| public void setPropertyName(String propertyName) |
| { |
| this.propertyName = propertyName; |
| } |
| |
| public Object get(Object owner) throws HibernateException |
| { |
| final CDOFeatureMapEntry cdoFeatureMapEntry = (CDOFeatureMapEntry)owner; |
| if (!isApplicable(cdoFeatureMapEntry)) |
| { |
| return null; |
| } |
| |
| final Object value = cdoFeatureMapEntry.getValue(); |
| if (cdoFeatureMapEntry.getEStructuralFeature() instanceof EReference) |
| { |
| if (value instanceof CDOID && CDOIDUtil.isNull((CDOID)value)) |
| { |
| return null; |
| } |
| else if (value instanceof CDOIDExternal) |
| { |
| return value; |
| } |
| else if (value instanceof CDOID) |
| { |
| return HibernateUtil.getInstance().getCDORevision((CDOID)value); |
| } |
| } |
| return value; |
| } |
| |
| @SuppressWarnings("rawtypes") |
| public Object getForInsert(Object owner, Map mergeMap, SessionImplementor session) throws HibernateException |
| { |
| return get(owner); |
| } |
| |
| public Method getMethod() |
| { |
| return null; |
| } |
| |
| public String getMethodName() |
| { |
| return null; |
| } |
| |
| @SuppressWarnings("rawtypes") |
| public Class getReturnType() |
| { |
| return CDOFeatureMapEntry.class; |
| } |
| |
| public void set(Object target, Object value, SessionFactoryImplementor factory) throws HibernateException |
| { |
| final CDOFeatureMapEntry cdoFeatureMapEntry = (CDOFeatureMapEntry)target; |
| Object localValue; |
| if (cdoFeatureMapEntry.getEStructuralFeature() instanceof EReference) |
| { |
| if (value == null) |
| { |
| localValue = value; |
| } |
| else if (value instanceof CDOIDExternal) |
| { |
| localValue = value; |
| } |
| else |
| { |
| localValue = HibernateUtil.getInstance().getCDOID(value); |
| } |
| } |
| else |
| { |
| localValue = value; |
| } |
| if (localValue != null) |
| { |
| cdoFeatureMapEntry.setValue(localValue); |
| } |
| } |
| |
| private boolean isApplicable(CDOFeatureMapEntry cdoFeatureMapEntry) |
| { |
| if (cdoFeatureMapEntry.getEStructuralFeature() == null) |
| { |
| return false; |
| } |
| return cdoFeatureMapEntry.getEStructuralFeature().getName().equals(getPropertyName()); |
| } |
| } |