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/**
* <copyright>
*
* Copyright (c) 2005, 2006, 2007, 2008 Springsite BV (The Netherlands) 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
* </copyright>
*
* $Id: EcoreAction.java,v 1.19 2010/04/02 15:25:47 mtaal Exp $
*/
package org.eclipse.emf.teneo.test.emf.sample;
import java.io.IOException;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Properties;
import org.eclipse.emf.common.util.TreeIterator;
import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.EcorePackage;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.xmi.impl.XMIResourceImpl;
import org.eclipse.emf.ecore.xml.type.XMLTypePackage;
import org.eclipse.emf.teneo.PersistenceOptions;
import org.eclipse.emf.teneo.annotations.pannotation.InheritanceType;
import org.eclipse.emf.teneo.test.AbstractTestAction;
import org.eclipse.emf.teneo.test.StoreTestException;
import org.eclipse.emf.teneo.test.stores.TestStore;
/**
* Tests persisting of ecore models in a relational store. Only stores them and then reads them again.
*
* @author <a href="mailto:mtaal@elver.org">Martin Taal</a>
* @version $Revision: 1.19 $
*/
public class EcoreAction extends AbstractTestAction {
/** Constructor */
public EcoreAction() {
super(new EPackage[] { EcorePackage.eINSTANCE, org.eclipse.emf.ecore.xml.type.XMLTypePackage.eINSTANCE });
}
/*
* (non-Javadoc)
*
* @see org.eclipse.emf.teneo.test.AbstractTestAction#getExtraConfigurationProperties()
*/
@Override
public Properties getExtraConfigurationProperties() {
final Properties props = new Properties();
props.setProperty(PersistenceOptions.SET_DEFAULT_CASCADE_ON_NON_CONTAINMENT, "true");
return props;
}
/** Reads the library model and persists it. */
@Override
public void doAction(TestStore store) {
if (store.getInheritanceType().equals(InheritanceType.SINGLE_TABLE)) {
// ignore this as this fails any way
return;
}
if (store.getDatabaseAdapter().getDbName().contains("mysql")) {
// too many joins error so ignore...
return;
}
// read ecore as a resource
final Resource resourceOne = new XMIResourceImpl();
try {
// read from the resource
{
resourceOne.load(EcoreAction.class.getResourceAsStream("library.ecore"), Collections.EMPTY_MAP);
// EPackage epack = (EPackage)resource.getContents().get(0);
// resource.unload();
final EPackage epack = (EPackage) resourceOne.getContents().get(0);
// some logic adds adapters (for example the EAV schema, get rid of them...)
for (TreeIterator<EObject> it = epack.eAllContents(); it.hasNext();) {
it.next().eAdapters().clear();
}
final EPackage ecorePackage = EcorePackage.eINSTANCE;
for (TreeIterator<EObject> it = ecorePackage.eAllContents(); it.hasNext();) {
it.next().eAdapters().clear();
}
final EPackage xmlTypePackage = XMLTypePackage.eINSTANCE;
for (TreeIterator<EObject> it = xmlTypePackage.eAllContents(); it.hasNext();) {
it.next().eAdapters().clear();
}
store.beginTransaction();
store.store(epack);
store.store(ecorePackage);
store.store(xmlTypePackage);
store.commitTransaction();
}
// test 285409
{
store.beginTransaction();
List<EAnnotation> eas = store.getObjects(EAnnotation.class);
assertTrue(eas.size() > 0);
for (EAnnotation eAnnotation : eas) {
assertTrue(eAnnotation.getDetails().size() > 0);
}
store.commitTransaction();
}
// read from the relational store
// and save it in a xml byte array
final Resource resourceTwo = new XMIResourceImpl();
if (true) {
store.beginTransaction();
final List<?> result = store.getObjects(EPackage.class);
// get the library ecore from the result
// EPackage libEPack = null;
for (int i = 0; i < result.size(); i++) {
final EPackage epack = (EPackage) result.get(i);
resourceTwo.getContents().add(epack);
// very simple test on name, ouch!
// if (epack.getName().compareToIgnoreCase("library") == 0) {
// libEPack = epack;
// }
}
// assertNotNull(libEPack);
// just iterate over the contents
int cnt = 0;
final Iterator<?> it = resourceTwo.getAllContents();
while (it.hasNext()) {
it.next();
cnt++;
}
// now compare the two resources
// compares fails for now
// compareResult(resourceOne, resourceTwo);
store.commitTransaction();
}
// and now delete the ecorepackage
{
store.beginTransaction();
final List<?> list = store.getObjects(EPackage.class);
for (Object o : list) {
store.deleteObject(o);
}
store.commitTransaction();
}
// now try the debfile
{
final Resource fileRes = new XMIResourceImpl();
fileRes.load(EcoreAction.class.getResourceAsStream("debFile.ecore"), Collections.EMPTY_MAP);
store.beginTransaction();
for (Object o : fileRes.getContents()) {
store.store(o);
}
store.commitTransaction();
}
// {
// store.beginTransaction();
// final Resource res = new XMIResourceImpl();
// for (Object o : store.getObjects(EPackage.class)) {
// res.getContents().add((EObject) o);
// }
// final OutputStream os = new FileOutputStream("/home/mtaal/mytmp/test.ecore");
// res.save(os, Collections.EMPTY_MAP);
// store.commitTransaction();
// }
} catch (Exception e) {
throw new StoreTestException("Exception when testing persistence of ecore", e);
}
}
/** Compare the original and the generated xml file */
protected void compareResult(Resource resourceOne, Resource ResourceTwo) throws IOException {
final Iterator<?> original_iterator = resourceOne.getAllContents();
final Iterator<?> new_iterator = ResourceTwo.getAllContents();
// rough structural test
while (new_iterator.hasNext()) {
assertTrue(original_iterator.hasNext());
final EObject original_object = (EObject) original_iterator.next();
final EObject new_object = (EObject) new_iterator.next();
assertEquals(original_object.getClass(), new_object.getClass());
}
assertTrue(!new_iterator.hasNext());
}
}
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