@@ -0,0 +1,1385 @@
+/*%0A *  Copyright 2015 Brian S O'Neill%0A *%0A *  Licensed under the Apache License, Version 2.0 (the %22License%22);%0A *  you may not use this file except in compliance with the License.%0A *  You may obtain a copy of the License at%0A *%0A *      http://www.apache.org/licenses/LICENSE-2.0%0A *%0A *  Unless required by applicable law or agreed to in writing, software%0A *  distributed under the License is distributed on an %22AS IS%22 BASIS,%0A *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A *  See the License for the specific language governing permissions and%0A *  limitations under the License.%0A */%0A%0Apackage org.cojen.tupl;%0A%0Aimport java.io.IOException;%0A%0A/**%0A * Implements a few %7B@link Cursor%7D methods.%0A *%0A * @author Brian S O'Neill%0A */%0Apublic abstract class AbstractCursor implements Cursor %7B%0A    /**%0A     * %7B@inheritDoc%7D%0A     */%0A    @Override%0A    public int compareKeyTo(byte%5B%5D rkey) %7B%0A        byte%5B%5D lkey = key();%0A        return Utils.compareKeys(lkey, 0, lkey.length, rkey, 0, rkey.length);%0A    %7D%0A%0A    /**%0A     * %7B@inheritDoc%7D%0A     */%0A    @Override%0A    public int compareKeyTo(byte%5B%5D rkey, int offset, int length) %7B%0A        byte%5B%5D lkey = key();%0A        return Utils.compareKeys(lkey, 0, lkey.length, rkey, offset, length);%0A    %7D%0A%0A    /**%0A     * %7B@inheritDoc%7D%0A     */%0A    @Override%0A    public Stream newStream() %7B%0A        throw new UnsupportedOperationException();%0A    %7D%0A%7D%0A

Add basic AbstractCursor implementation.