| /******************************************************************************* |
| * Copyright (c) 2008, 2012 Oracle. 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: |
| * Oracle - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jpt.jpa.ui.internal.structure; |
| |
| import org.eclipse.jpt.common.ui.internal.jface.AbstractItemTreeContentProvider; |
| import org.eclipse.jpt.common.utility.internal.iterables.ListIterable; |
| import org.eclipse.jpt.common.utility.internal.model.value.ListAspectAdapter; |
| import org.eclipse.jpt.common.utility.internal.model.value.ListCollectionValueModelAdapter; |
| import org.eclipse.jpt.common.utility.model.value.CollectionValueModel; |
| import org.eclipse.jpt.jpa.core.context.persistence.Persistence; |
| import org.eclipse.jpt.jpa.core.context.persistence.PersistenceUnit; |
| |
| public class PersistenceItemContentProvider |
| extends AbstractItemTreeContentProvider<Persistence, PersistenceUnit> |
| { |
| public PersistenceItemContentProvider(Persistence persistence, Manager manager) { |
| super(persistence, manager); |
| } |
| |
| public Object getParent() { |
| // I'd like to return the resource model here, but that involves a hefty |
| // API change - we'll see what happens with this code first |
| return null; |
| } |
| |
| @Override |
| protected CollectionValueModel<PersistenceUnit> buildChildrenModel() { |
| return new ListCollectionValueModelAdapter<PersistenceUnit>(new ChildrenModel(this.item)); |
| } |
| |
| protected static class ChildrenModel |
| extends ListAspectAdapter<Persistence, PersistenceUnit> |
| { |
| ChildrenModel(Persistence persistence) { |
| super(Persistence.PERSISTENCE_UNITS_LIST, persistence); |
| } |
| |
| @Override |
| protected ListIterable<PersistenceUnit> getListIterable() { |
| return this.subject.getPersistenceUnits(); |
| } |
| |
| @Override |
| public int size_() { |
| return this.subject.getPersistenceUnitsSize(); |
| } |
| } |
| } |