/**
 * Copyright (C) 2009-2013 FoundationDB, LLC
 *
 * This program 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 com.foundationdb.server.types;

import java.util.Iterator;

public abstract class LazyListBase<T> implements LazyList<T>
{
    private class LazyIterator implements Iterator<T>
    {
        private int index;
        LazyIterator()
        {
            index = 0;
        }

        @Override
        public boolean hasNext()
        {
            return index < size();
        }

        @Override
        public T next()
        {
            return get(index++);
        }

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

    @Override
    public Iterator<T> iterator()
    {
        return new LazyIterator();
    }
}