Java 8
Junit 1.4 or above

Main Source : Main source is avaible under src/main location.
Logs        : Reports will be generated under /src/main/logs location.
Unit Tests  : Unit tests are under test/processor location.
Simulator   : Test simulator available under src/test/simulator location.

    Record     - sales request.
    Bulk       - bulk sales requests.
    Adjustment - adjustment for sales requests.

    ADD, SUBTRACT, MULTIPLY

    // Create record message.
    Message message = new Message(MessageProcessorConstants.MessageType.RECORD, "apple", 10);
    // Create bulk message.
    BulkMessage bulkMessage = new BulkMessage(MessageProcessorConstants.MessageType.BULK, "orange", 20, 30);
    // Create Adjustment message.
    AdjustmentMessage adjustmentMessage1 = new AdjustmentMessage(MessageProcessorConstants.MessageType.ADJUSTMENT, "orange", 3.0, MessageProcessorConstants.AdjustmentType.ADD);
    MessageMessageProcessorImpl mp = new MessageMessageProcessorImpl();
    // Process bulk message.
    mp.process(bulkMessage);
    // Process adjustment message.
    mp.process(adjustmentMessage1);