diff options
Diffstat (limited to 'common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/enumerations/EmptyEnumeration.java')
-rw-r--r-- | common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/enumerations/EmptyEnumeration.java | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/enumerations/EmptyEnumeration.java b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/enumerations/EmptyEnumeration.java deleted file mode 100644 index 7cd0c023b4..0000000000 --- a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/enumerations/EmptyEnumeration.java +++ /dev/null @@ -1,62 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2005, 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.enumerations; - -import java.util.Enumeration; -import java.util.NoSuchElementException; - -/** - * An <code>EmptyEnumeration</code> is just that. - * - * @param <E> the type of elements returned by the enumeration - */ -public final class EmptyEnumeration<E> - implements Enumeration<E> -{ - - // singleton - @SuppressWarnings("rawtypes") - private static final EmptyEnumeration INSTANCE = new EmptyEnumeration(); - - /** - * Return the singleton. - */ - @SuppressWarnings("unchecked") - public static <T> Enumeration<T> instance() { - return INSTANCE; - } - - /** - * Ensure single instance. - */ - private EmptyEnumeration() { - super(); - } - - public boolean hasMoreElements() { - return false; - } - - public E nextElement() { - throw new NoSuchElementException(); - } - - @Override - public String toString() { - return this.getClass().getSimpleName(); - } - - private static final long serialVersionUID = 1L; - private Object readResolve() { - // replace this object with the singleton - return INSTANCE; - } - -} |