ArrayIterator.java

/**
 * Copyright (c) 2002-2010 "Neo Technology,"
 * Network Engine for Objects in Lund AB [http://neotechnology.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

package org.neo4j.helpers.collection;

import java.util.Iterator;
import java.util.NoSuchElementException;

public class ArrayIterator<T> implements Iterator<T>
{
    private final T[] array;
    private int index;

    public ArrayIterator( T[] array )
    {
        this.array = array;
    }

    public boolean hasNext()
    {
        return index < array.length;
    }

    public T next()
    {
        if ( !hasNext() ) throw new NoSuchElementException();
        return array[index++];
    }

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