diff options
Diffstat (limited to 'common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/NullListValueModel.java')
-rw-r--r-- | common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/NullListValueModel.java | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/NullListValueModel.java b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/NullListValueModel.java deleted file mode 100644 index 78801cce30..0000000000 --- a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/NullListValueModel.java +++ /dev/null @@ -1,71 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2007, 2010 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.common.utility.internal.model.value; - -import java.util.Iterator; -import java.util.ListIterator; - -import org.eclipse.jpt.common.utility.internal.iterators.EmptyIterator; -import org.eclipse.jpt.common.utility.internal.iterators.EmptyListIterator; -import org.eclipse.jpt.common.utility.internal.model.AbstractModel; -import org.eclipse.jpt.common.utility.model.value.ListValueModel; - -/** - * An empty list value model for when you don't - * need to support a list. - * <p> - * We don't use a singleton because we hold on to listeners. - */ -public final class NullListValueModel<E> - extends AbstractModel - implements ListValueModel<E> -{ - private static final Object[] EMPTY_ARRAY = new Object[0]; - private static final long serialVersionUID = 1L; - - /** - * Default constructor. - */ - public NullListValueModel() { - super(); - } - - - // ********** ListValueModel implementation ********** - - public Iterator<E> iterator() { - return EmptyIterator.instance(); - } - - public ListIterator<E> listIterator() { - return EmptyListIterator.instance(); - } - - public int size() { - return 0; - } - - public E get(int index) { - throw new IndexOutOfBoundsException("Index: " + index + ", Size: 0"); //$NON-NLS-1$ //$NON-NLS-2$ - } - - public Object[] toArray() { - return EMPTY_ARRAY; - } - - - // ********** Object overrides ********** - - @Override - public String toString() { - return this.getClass().getSimpleName(); - } - -} |