diff options
Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/NullCollectionValueModel.java')
-rw-r--r-- | jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/NullCollectionValueModel.java | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/NullCollectionValueModel.java b/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/NullCollectionValueModel.java deleted file mode 100644 index db6447c94b..0000000000 --- a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/NullCollectionValueModel.java +++ /dev/null @@ -1,58 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2007, 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.utility.internal.model.value; - -import java.util.Iterator; -import org.eclipse.jpt.utility.internal.ClassTools; -import org.eclipse.jpt.utility.internal.iterators.EmptyIterator; -import org.eclipse.jpt.utility.internal.model.AbstractModel; -import org.eclipse.jpt.utility.model.value.CollectionValueModel; - -/** - * A read-only collection value model for when you - * don't need to support a collection. In particular, this - * is useful for the leaf nodes of a tree that never have - * children. - * - * We don't use a singleton because we hold on to listeners. - */ -public final class NullCollectionValueModel<E> - extends AbstractModel - implements CollectionValueModel<E> -{ - private static final long serialVersionUID = 1L; - - /** - * Default constructor. - */ - public NullCollectionValueModel() { - super(); - } - - - // ********** CollectionValueModel implementation ********** - - public int size() { - return 0; - } - - public Iterator<E> iterator() { - return EmptyIterator.instance(); - } - - - // ********** Object overrides ********** - - @Override - public String toString() { - return ClassTools.shortClassNameForObject(this); - } - -} |