LineFunction.java

/*
 * Galaxy
 * Copyright (c) 2012-2014, Parallel Universe Software Co. All rights reserved.
 * 
 * This program and the accompanying materials are dual-licensed under
 * either the terms of the Eclipse Public License v1.0 as published by
 * the Eclipse Foundation
 *  
 *   or (per the licensee's choosing)
 *  
 * under the terms of the GNU Lesser General Public License version 3.0
 * as published by the Free Software Foundation.
 */
package co.paralleluniverse.galaxy;

import java.nio.ByteBuffer;

public interface LineFunction<T> extends java.io.Serializable {
    public interface LineAccess extends java.io.Serializable {
        ByteBuffer getForRead();

        /**
         * @param size If size is {@code -1}, buffer is retained, and not flipped after the function is invoked.
         * @return 
         */
        ByteBuffer getForWrite(int size);
    }

    T invoke(LineAccess lineAccess);
}