Operation.java

package com.nokia.example;
/*
 * Copyright @ 2012 Nokia Corporation. All rights reserved. Nokia and Nokia
 * Connecting People are registered trademarks of Nokia Corporation. Oracle and
 * Java are trademarks or registered trademarks of Oracle and/or its affiliates.
 * Other product and company names mentioned herein may be trademarks or trade
 * names of their respective owners. See LICENSE.TXT for license information.
 */

// Defines the interface for a single operation executed by the commands queue
interface Operation {
    // Implement here the operation to be executed

    void execute();
}