| /******************************************************************************* |
| * Copyright (c) 2009, 2011 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.db.internal.driver; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.eclipse.datatools.modelbase.sql.schema.Catalog; |
| import org.eclipse.datatools.modelbase.sql.schema.Database; |
| import org.eclipse.datatools.modelbase.sql.schema.Schema; |
| |
| /** |
| * Catalog strategy for DTP database drivers that build a "virtual" catalog |
| * (that has no name) because the underlying JDBC driver does not return any |
| * catalogs (e.g. Oracle). This catalog cannot be specified by the user in |
| * annotations etc. |
| * |
| * @see java.sql.DatabaseMetaData#getCatalogs() |
| */ |
| class FauxCatalogStrategy |
| implements CatalogStrategy |
| { |
| private final Database database; |
| |
| FauxCatalogStrategy(Database database) { |
| super(); |
| this.database = database; |
| } |
| |
| public boolean supportsCatalogs() { |
| return false; |
| } |
| |
| public List<Catalog> getCatalogs() { |
| return Collections.emptyList(); |
| } |
| |
| public List<Schema> getSchemas() { |
| Catalog fauxCatalog = this.getFauxCatalog(); |
| @SuppressWarnings("unchecked") |
| List<Schema> schemas = fauxCatalog.getSchemas(); |
| return schemas; |
| } |
| |
| private Catalog getFauxCatalog() { |
| List<Catalog> catalogs = this.getCatalogs_(); |
| if (catalogs == null) { |
| throw new IllegalStateException("catalogs list is null"); //$NON-NLS-1$ |
| } |
| if (catalogs.size() != 1) { |
| throw new IllegalStateException("not a single catalog: " + catalogs); //$NON-NLS-1$ |
| } |
| |
| Catalog catalog = catalogs.get(0); |
| if (catalog.getName().length() != 0) { |
| throw new IllegalStateException("illegal name: " + catalog.getName()); //$NON-NLS-1$ |
| } |
| return catalog; |
| } |
| |
| @SuppressWarnings("unchecked") |
| private List<Catalog> getCatalogs_() { |
| return this.database.getCatalogs(); |
| } |
| } |