diff options
Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.db/src/org/eclipse/jpt/db/internal/NullDatabase.java')
-rw-r--r-- | jpa/plugins/org.eclipse.jpt.db/src/org/eclipse/jpt/db/internal/NullDatabase.java | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.db/src/org/eclipse/jpt/db/internal/NullDatabase.java b/jpa/plugins/org.eclipse.jpt.db/src/org/eclipse/jpt/db/internal/NullDatabase.java deleted file mode 100644 index 8ff4139cfd..0000000000 --- a/jpa/plugins/org.eclipse.jpt.db/src/org/eclipse/jpt/db/internal/NullDatabase.java +++ /dev/null @@ -1,148 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2006, 2008 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.db.internal; - -import java.util.Iterator; - -import org.eclipse.datatools.connectivity.sqm.core.definition.DatabaseDefinition; -import org.eclipse.jpt.db.Catalog; -import org.eclipse.jpt.db.Database; -import org.eclipse.jpt.db.Schema; -import org.eclipse.jpt.utility.internal.ClassTools; -import org.eclipse.jpt.utility.internal.iterators.EmptyIterator; - -/** - * "null" database - * This is used when the connection profile is inactive (i.e. it is neither - * connected to the database nor working off-line). - */ -final class NullDatabase - implements InternalDatabase -{ - private static final String EMPTY_STRING = ""; //$NON-NLS-1$ - - - // ********** singleton ********** - - private static final NullDatabase INSTANCE = new NullDatabase(); - - static synchronized InternalDatabase instance() { - return INSTANCE; - } - - /** - * 'private' to ensure singleton - */ - private NullDatabase() { - super(); - } - - - // ********** Database implementation ********** - - public String getName() { - return ClassTools.shortClassNameForObject(this); - } - - public String getVendor() { - return EMPTY_STRING; - } - - public String getVersion() { - return EMPTY_STRING; - } - - public boolean isCaseSensitive() { - return false; - } - - public DatabaseDefinition getDtpDefinition() { - return null; - } - - // ***** catalogs - - public boolean supportsCatalogs() { - return false; - } - - public Iterator<Catalog> catalogs() { - return EmptyIterator.<Catalog>instance(); - } - - public int catalogsSize() { - return 0; - } - - public Iterator<String> catalogNames() { - return EmptyIterator.<String>instance(); - } - - public boolean containsCatalogNamed(String name) { - return false; - } - - public Catalog catalogNamed(String name) { - return null; - } - - public String defaultCatalogName() { - return EMPTY_STRING; - } - - public DTPCatalogWrapper getDefaultCatalog() { - return null; - } - - // ***** schemata - - public Iterator<Schema> schemata() { - return EmptyIterator.<Schema>instance(); - } - - public int schemataSize() { - return 0; - } - - public Iterator<String> schemaNames() { - return EmptyIterator.<String>instance(); - } - - public boolean containsSchemaNamed(String name) { - return false; - } - - public Schema schemaNamed(String name) { - return null; - } - - - // ********** InternalDatabase implementation ********** - - public void dispose() { - // do nothing - } - - - // ********** Comparable implementation ********** - - public int compareTo(Database o) { - throw new UnsupportedOperationException("the \"null\" database should not be in a sorted list"); //$NON-NLS-1$ - } - - - // ********** Object overrides ********** - - @Override - public String toString() { - return ClassTools.toStringClassNameForObject(this); - } - -} |