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Simulate compute-client and compute-server interaction

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Reference no: EM132354129

Assignment Specification

A Simplified Remote Invocation Framework

Java RMI (Remote Method Invocation, reference Chapter 5 of the textbook and Week-3 lecture) enables the local invocation and remote invocation use the same syntax to implement a generic remote server like the Compute Engine example in Week-3 lecture slides. However, Java RMI needs 2 HTTP servers to transfer Java classes between a RMI client and a RMI server at runtime. In addition, Java RMI applications need a RMI Registry to register or look up the remote objects. In this assignment, you are to implement a remote invocation framework that is similar to Java RMI but lightweight (note: for this assignment, you don't use any Java RMI APIs).

Java object serialization, multi-threading model and client/server model are the fundamental Java components to build distributed applications. In this assignment, you are to use these components or models to develop a particular application - a simplified remote invocation framework. The Java object serialization, multithreading and client/server components have been introduced through weekly lectures, tutorials and lab projects of this unit; you should ensure that you have good understanding of these learning materials before you start this assignment. In this assignment, you will need to integrate what you have learnt to develop the framework. This assignment specification is as follows.

Part 1: Java TCP Networking, Multi-threading and Object Serialization Programming

The framework consists of a compute-server, a compute-client and a class repository, which are depicted in the following diagram. The framework is a generic computing architecture because the compute-client and compute-server just need to know the Task and CSMessage interface or class in advance to interact with each other via the framework.

To complete this assignment, you need to implement such a framework and integrate the Calculate Pi, Calculate Primes and Calculate the Greatest Common Divisor tasks into this framework. The algorithms of these tasks are given on the unit web site. Your compute-server must be multi-threaded and follow the ‘thread-per-connection' architecture (reference Week-4 contents).

The communication between the compute-server and the compute-client must use TCP protocol through the Java TCP API Socket and ServerSocket

To implement the framework, you need to implement the following Java classes:

1. A Java application to implement the compute-client; graphic user interface is required;

2. A Java application to implement the compute-server; and

3. A Java class to implement the request processing thread.

4. A number of Java classes to implement Calculate Pi, Calculate Primes and Calculate the Greatest Common Divisor tasks.

Note: to simulate compute-client and compute-server interaction, you don't have to run them on two physical machines. Instead, they can be run on two JVMs (Java Virtual Machines) on a single physical machine. As a result, the name of the server machine can be ‘localhost'.

Part 2: Program use and test instruction

After the implementation of the framework, prepare an end user' instruction about how to use your software.

Attachment:- A Simplified Remote Invocation Framework.rar

Reference no: EM132354129

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Reviews

len2354129

8/8/2019 2:06:34 AM

Part 2: Program use and test instruction 9 1. Whether the program installation is clearly described 2 2. Whether the code repository in the server is clearly described 1 3. Whether the test instruction covers all 3 compute- tasks 3 4. Whether the test instruction covers ‘not uploading task’ exception handling. 1 5. Whether the necessary screenshots have been provided and helpful for the test instruction. 2 Sub Total for Assignment 1 30

len2354129

8/8/2019 2:06:29 AM

6. Whether the ‘not uploading task’ exception can be handled by using the CSMessage 2 7. Whether the client program functions correctly 2 8. Whether TCP protocol is correctly used for the client and server communication 2 9. Whether the sever is multi-threaded by using the ‘thread-per-connection’ model 2

len2354129

8/8/2019 2:06:23 AM

3. Whether the 3 compute-tasks have been implemented as Java serializable objects 3 4. Whether the 3 compute-tasks can be successfully transferred between the client and server 3 5. Whether the 3 compute-tasks can be successfully executed by the server and can return correct results to the client 3

len2354129

8/8/2019 2:06:18 AM

The Marking Criteria Marking Criteria Available Marks Part 1: Java TCP Networking, Multi-threading and Object Serialization Programming 21 1. Whether the project can be compiled by JDK or NetBeans IDE and executed by JRE 2 2. Whether the given Task interface is properly used as the unique communication contract between the client and server 2

len2354129

8/8/2019 2:06:12 AM

Submission You need to provide the following files in your submission. 1. Files of Java source code of the compute-client, the compute-server and the processing thread and the compute-tasks. The in-line comments on the data structure and program structure in the programs are required. These source code files must be able to be compiled by the standard JDK (Java Development Kit) or NetBeans IDE from Oracle. Note: an easy way to provide the source code and executables is to submit them in a NetBeans project. 3. A Microsoft Word document to address the issues as specified in Part 2 above. All the required files must be compressed into a zip file for submission. You must submit your assignment via the unit web site. Any hardcopy or email submission will not be accepted. After the marked assignments are returned, any late submissions will not be accepted.

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