/*
 * Copyright IBM Corp. and others 2006
 *
 * This program and the accompanying materials are made available under
 * the terms of the Eclipse Public License 2.0 which accompanies this
 * distribution and is available at https://www.eclipse.org/legal/epl-2.0/
 * or the Apache License, Version 2.0 which accompanies this distribution and
 * is available at https://www.apache.org/licenses/LICENSE-2.0.
 *
 * This Source Code may also be made available under the following
 * Secondary Licenses when the conditions for such availability set
 * forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
 * General Public License, version 2 with the GNU Classpath
 * Exception [1] and GNU General Public License, version 2 with the
 * OpenJDK Assembly Exception [2].
 *
 * [1] https://www.gnu.org/software/classpath/license.html
 * [2] https://openjdk.org/legal/assembly-exception.html
 *
 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0 OR GPL-2.0-only WITH OpenJDK-assembly-exception-1.0
 */

package com.ibm.j9ddr.corereaders.tdump.zebedee.util;

import java.util.Iterator;

/**
 * This class provides an iterator with a single element.
 */

public class SingletonIterator implements Iterator {

    /** The single element itself */
    private Object element;
    
    /**
     * Create a new SingletonIterator for the given element.
     */
    public SingletonIterator(Object element) {
        this.element = element;
    }

    public boolean hasNext() {
        return element != null;
    }

    public Object next() {
        Object obj = element;
        element = null;
        return obj;
    }

    public void remove() {
        throw new UnsupportedOperationException();
    }
}
