/*******************************************************************************
* Copyright (c) 1998, 2013 Oracle and/or its affiliates. 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 from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.internal.xr;
//javase imports
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
//java eXtension imports
//EclipseLink imports
import org.eclipse.persistence.descriptors.ClassDescriptor;
import org.eclipse.persistence.internal.databaseaccess.Platform;
import org.eclipse.persistence.internal.helper.ConversionManager;
import org.eclipse.persistence.internal.indirection.BasicIndirectionPolicy;
import org.eclipse.persistence.internal.xr.XRDynamicEntity;
import org.eclipse.persistence.mappings.DatabaseMapping;
import org.eclipse.persistence.mappings.ForeignReferenceMapping;
import org.eclipse.persistence.sessions.Login;
import org.eclipse.persistence.sessions.Project;
import static org.eclipse.persistence.internal.xr.XRDynamicClassLoader.COLLECTION_WRAPPER_SUFFIX;
/**
* <p>
* <b>INTERNAL:</b> Static helper methods that reads EclipseLink project deployment
* XML without classes.
* <p>
* This API only supports EclipseLink 1.x format deployment XML
*/
@SuppressWarnings({"rawtypes"})
public class ProjectHelper {
/**
* INTERNAL: Fix the given EclipseLink OR and OX projects so that the
* descriptors for all generated sub-classes of XRDynamicEntity have the correct
* AttributeAccessors.
*/
public static void fixOROXAccessors(Project orProject, Project oxProject) {
for (Iterator i = orProject.getDescriptors().values().iterator(); i.hasNext();) {
ClassDescriptor desc = (ClassDescriptor)i.next();
Class clz = desc.getJavaClass();
if (!XRDynamicEntity.class.isAssignableFrom(clz)) {
continue;
}
ClassDescriptor xdesc = null;
if (oxProject != null) {
xdesc = oxProject.getDescriptorForAlias(desc.getAlias());
}
XRDynamicPropertiesManager xrDPM = null;
if (!clz.getName().endsWith(COLLECTION_WRAPPER_SUFFIX)) {
try {
XRDynamicEntity newInstance = (XRDynamicEntity)clz.newInstance();
xrDPM = newInstance.fetchPropertiesManager();
}
catch (Exception e) {
e.printStackTrace();
}
}
Set<String> propertiesNameSet = new HashSet<String>();
for (Iterator j = desc.getMappings().iterator(); j.hasNext();) {
DatabaseMapping dm = (DatabaseMapping)j.next();
String attributeName = dm.getAttributeName();
DatabaseMapping xdm = null;
if (xdesc != null) {
xdm = xdesc.getMappingForAttributeName(attributeName);
}
dm.setAttributeAccessor(new XRDynamicEntityAccessor(dm));
if (xdm != null) {
if (dm.isForeignReferenceMapping()) {
ForeignReferenceMapping frm = (ForeignReferenceMapping)dm;
if (frm.usesIndirection() && frm.getIndirectionPolicy().getClass().
isAssignableFrom(BasicIndirectionPolicy.class)) {
xdm.setAttributeAccessor(new XRDynamicEntityVHAccessor(dm));
}
else {
// no indirection or indirection that is transparent enough (!) to work
xdm.setAttributeAccessor(new XRDynamicEntityAccessor(dm));
}
}
else {
xdm.setAttributeAccessor(new XRDynamicEntityAccessor(dm));
}
}
propertiesNameSet.add(attributeName);
}
if (xrDPM != null) {
xrDPM.setPropertyNames(propertiesNameSet);
}
}
// turn-off dynamic class generation
ClassLoader cl = null;
Login login = orProject.getDatasourceLogin();
if (login != null) {
Platform platform = login.getDatasourcePlatform();
if (platform != null) {
ConversionManager conversionManager = platform.getConversionManager();
if (conversionManager != null) {
cl = conversionManager.getLoader();
}
}
}
if (cl != null && cl instanceof XRDynamicClassLoader) {
XRDynamicClassLoader xrdecl = (XRDynamicClassLoader)cl;
xrdecl.dontGenerateSubclasses();
}
if (oxProject != null) {
cl = null;
login = oxProject.getDatasourceLogin();
if (login != null) {
Platform platform = login.getDatasourcePlatform();
if (platform != null) {
ConversionManager conversionManager = platform.getConversionManager();
if (conversionManager != null) {
cl = conversionManager.getLoader();
}
}
}
if (cl != null && cl instanceof XRDynamicClassLoader) {
XRDynamicClassLoader xrdecl = (XRDynamicClassLoader)cl;
xrdecl.dontGenerateSubclasses();
}
}
}
}