For this exercise you should create your own implementation of a thread pool. In preparation for this exercise, you should change the ImageProcessorMT class so that it implements the Runnable interface. Your thread pool will manage threads that run your new ImageProcessorMTs. The thread p0ol class itself should also implement Runnable. The thread pool should offer a constructor that receives the size of the thread pool as a parameter. The thread pool has relatively simple functionality. It should be possible to submit a task (i.e. an ImageProcessorMT) to the thread pool. This does not mean that the task will actually run yet, just that the thread pool is aware of it and keeps it in a waiting list. The number of ImageProcessorMTs that are added can exceed the number of threads available in the thread pool.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
icon
Related questions
Question

Could you please create a ThreadPool.java file to perform thread operations.

For this exercise you should create your own implementation of a thread pool. In preparation for this
exercise, you should change the ImageProcessorMT class so that it implements the Runnable interface.
Your thread pool will manage threads that run your new ImageProcessorMTs. The thread pool class itself
should also implement Runnable.
The thread pool should offer a constructor that receives the size of the thread pool as a parameter.
The thread pool has relatively simple functionality. It should be possible to submit a task
(i.e. an ImageProcessorMT) to the thread pool. This does not mean that the task will actually run yet,
just that the thread pool is aware of it and keeps it in a waiting list. The number of ImageProcessorMTs
that are added can exceed the number of threads available in the thread pool.
It should also be possible to start the thread pool. This means that the thread pool will then run as
many ImageProcessorMTs as it can up to its size. For example, if the thread pool size is 5, but 10
ImageProcessorMTs have been added, it can only run 5.
When any ImageProcessorMT has terminated, a new one from the waiting list should be started by the
thread pool (if one exists). The thread pool should continue to do this until the waiting list is empty, when
it should itself terminate.
The thread pool should offer a join() method that causes the calling thread to wait until the thread pool
has terminated.
Note that when you change ImageProcessorMT to implement Runnable, its run() method works the same
way as it does in ImageProcessorST: it processes the image and then exits (terminating the thread). You
might wish to add a boolean and a getter to ImageProcessorMT that signals that the run method has
terminated, hence the result is available, and the thread pool can now run another thread (if the waiting
list was not empty).
Transcribed Image Text:For this exercise you should create your own implementation of a thread pool. In preparation for this exercise, you should change the ImageProcessorMT class so that it implements the Runnable interface. Your thread pool will manage threads that run your new ImageProcessorMTs. The thread pool class itself should also implement Runnable. The thread pool should offer a constructor that receives the size of the thread pool as a parameter. The thread pool has relatively simple functionality. It should be possible to submit a task (i.e. an ImageProcessorMT) to the thread pool. This does not mean that the task will actually run yet, just that the thread pool is aware of it and keeps it in a waiting list. The number of ImageProcessorMTs that are added can exceed the number of threads available in the thread pool. It should also be possible to start the thread pool. This means that the thread pool will then run as many ImageProcessorMTs as it can up to its size. For example, if the thread pool size is 5, but 10 ImageProcessorMTs have been added, it can only run 5. When any ImageProcessorMT has terminated, a new one from the waiting list should be started by the thread pool (if one exists). The thread pool should continue to do this until the waiting list is empty, when it should itself terminate. The thread pool should offer a join() method that causes the calling thread to wait until the thread pool has terminated. Note that when you change ImageProcessorMT to implement Runnable, its run() method works the same way as it does in ImageProcessorST: it processes the image and then exits (terminating the thread). You might wish to add a boolean and a getter to ImageProcessorMT that signals that the run method has terminated, hence the result is available, and the thread pool can now run another thread (if the waiting list was not empty).
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Knowledge Booster
Avoiding deadlock
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Database System Concepts
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education