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/**
* <copyright>
*
* Copyright (c) 2005, 2006, 2007, 2008, 2010 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: LibraryEAVExtraLazyAction.java,v 1.4 2010/04/05 06:19:24 mtaal Exp $
*/
package org.eclipse.emf.teneo.hibernate.test.emf.sample;
import java.util.List;
import java.util.Properties;
import org.eclipse.emf.teneo.PersistenceOptions;
import org.eclipse.emf.teneo.hibernate.LazyCollectionUtils;
import org.eclipse.emf.teneo.mapping.elist.PersistableDelegateList;
import org.eclipse.emf.teneo.samples.emf.sample.library.Book;
import org.eclipse.emf.teneo.samples.emf.sample.library.BookCategory;
import org.eclipse.emf.teneo.samples.emf.sample.library.Library;
import org.eclipse.emf.teneo.samples.emf.sample.library.LibraryFactory;
import org.eclipse.emf.teneo.samples.emf.sample.library.LibraryPackage;
import org.eclipse.emf.teneo.samples.emf.sample.library.Writer;
import org.eclipse.emf.teneo.test.AbstractTestAction;
import org.eclipse.emf.teneo.test.stores.TestStore;
import org.hibernate.collection.spi.PersistentCollection;
/**
* Tests the library example of emf/xsd using eav and extra lazy.
*
* @author <a href="mailto:mtaal@elver.org">Martin Taal</a>
* @version $Revision: 1.4 $
*/
public class LibraryEAVExtraLazyAction extends AbstractTestAction {
public LibraryEAVExtraLazyAction() {
super(LibraryPackage.eINSTANCE);
}
@Override
public Properties getExtraConfigurationProperties() {
final Properties props = new Properties();
props.setProperty(PersistenceOptions.EAV_MAPPING, "true");
props.setProperty(PersistenceOptions.FETCH_ASSOCIATION_EXTRA_LAZY,
"true");
props.setProperty(PersistenceOptions.SET_PROXY, "true");
return props;
}
@Override
public void doAction(TestStore store) {
final LibraryFactory factory = LibraryFactory.eINSTANCE;
// create a book, writer and library
{
store.beginTransaction();
final Writer writer = factory.createWriter();
writer.setName("JRR Tolkien");
final Book book = factory.createBook();
book.setAuthor(writer);
book.setPages(5);
book.setTitle("bk1");
book.setCategory(BookCategory.SCIENCE_FICTION_LITERAL);
final Book book2 = factory.createBook();
book2.setAuthor(writer);
book2.setPages(5);
book2.setTitle("bk2");
book2.setCategory(BookCategory.SCIENCE_FICTION_LITERAL);
final Library library = factory.createLibrary();
library.getBooks().add(book);
library.setName("Science Fiction Library");
library.getBooks().add(book2);
library.getWriters().add(writer);
store.store(library);
store.commitTransaction();
assertEquals(2, writer.getBooks().size());
}
// walk through the structure starting from the library
{
store.beginTransaction();
Library lib = store.getObject(Library.class);
testLazySize(lib.getWriters());
testLazySize(lib.getBooks());
final Writer w = lib.getWriters().get(0);
assertTrue(w.getName().compareTo(
"JRR Tolkien") == 0);
testLazySize(w.getBooks());
testLazy(lib.getWriters());
testLazy(w.getBooks());
// final Object[] eobjs =
// store.getCrossReferencers((EObject)lib.getWriters().get(0),
// false);
// these two books should be the same as this book is the first in
// the writers
// collection
// and in the library collection
Book wBook = w.getBooks().get(0);
testLazy(w.getBooks());
Book lBook = lib.getBooks().get(0);
// check container
assertTrue(lBook.eContainer() == lib);
assertTrue(lBook == wBook);
assertTrue(wBook.getTitle().compareTo(lBook.getTitle()) == 0);
assertTrue(wBook.getPages() == lBook.getPages());
assertTrue(wBook.getCategory() instanceof BookCategory);
assertTrue(wBook.getCategory() == BookCategory.SCIENCE_FICTION_LITERAL);
store.commitTransaction();
}
// now do some add and remove actions
{
store.beginTransaction();
Library lib = store.getObject(Library.class);
Writer w = lib.getWriters().get(0);
final Book bk = factory.createBook();
bk.setPages(5);
bk.setTitle("bk3");
bk.setCategory(BookCategory.SCIENCE_FICTION_LITERAL);
w.getBooks().add(1, bk);
lib.getBooks().add(0, bk);
store.commitTransaction();
}
{
store.beginTransaction();
Library lib = store.getObject(Library.class);
Writer w = lib.getWriters().get(0);
assertEquals("bk3", lib.getBooks().get(0).getTitle());
assertEquals("bk1", lib.getBooks().get(1).getTitle());
assertEquals("bk2", lib.getBooks().get(2).getTitle());
assertEquals("bk3", w.getBooks().get(1).getTitle());
assertEquals("bk1", w.getBooks().get(0).getTitle());
assertEquals("bk2", w.getBooks().get(2).getTitle());
store.commitTransaction();
}
{
store.beginTransaction();
Library lib = store.getObject(Library.class);
Writer w = lib.getWriters().get(0);
Book bk = w.getBooks().get(1);
w.getBooks().remove(bk);
lib.getBooks().remove(bk);
store.commitTransaction();
}
store.checkNumber(Book.class, 2);
{
store.beginTransaction();
Library lib = store.getObject(Library.class);
Writer w = lib.getWriters().get(0);
assertEquals("bk1", lib.getBooks().get(0).getTitle());
assertEquals("bk2", lib.getBooks().get(1).getTitle());
assertEquals("bk1", w.getBooks().get(0).getTitle());
assertEquals("bk2", w.getBooks().get(1).getTitle());
store.commitTransaction();
}
}
protected void testLazySize(List<?> list) {
final PersistableDelegateList<?> persistableEList = (PersistableDelegateList<?>) list;
final PersistentCollection persistentCollection = (PersistentCollection) persistableEList
.getDelegate();
assertFalse(persistentCollection.wasInitialized());
assertFalse(persistableEList.isLoaded());
int size = LazyCollectionUtils.size(list);
assertTrue(size > 0);
assertFalse(persistentCollection.wasInitialized());
assertFalse(persistableEList.isLoaded());
}
protected void testLazy(List<?> list) {
final PersistableDelegateList<?> persistableEList = (PersistableDelegateList<?>) list;
final PersistentCollection persistentCollection = (PersistentCollection) persistableEList
.getDelegate();
assertFalse(persistentCollection.wasInitialized());
assertFalse(persistableEList.isLoaded());
}
}
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