Home » Core Java » util » concurrent » Blocking Queue example of limited connection pool

About Ilias Tsagklis

Ilias Tsagklis
Ilias is a software developer turned online entrepreneur. He is co-founder and Executive Editor at Java Code Geeks.

Blocking Queue example of limited connection pool

private BlockingQueue<Connection> pool = new ArrayBlockingQueue<Connection>(10);
private AtomicInteger connCount = new AtomicInteger();
 
public Connection getConnection() {
    Connection conn = pool.poll(5, TimeUnit.SECONDS);
    if (conn == null) {

  synchronized (connCount) {


if (connCount.get() < 10) {


    conn = getNewConnection();


    pool.offer(conn);


    connCount.incrementAndGet();


}

  }

  if (conn == null) {


throw new ConnUnavailException();

  } else {


return conn;

  }
    }
}

Related Article:

Reference: Java Concurrency Part 5 – Blocking Queues from our JCG partners at the Carfey Software blog

(No Ratings Yet)
Start the discussion Views Tweet it!

Do you want to know how to develop your skillset to become a Java Rockstar?

Subscribe to our newsletter to start Rocking right now!

To get you started we give you our best selling eBooks for FREE!

 

1. JPA Mini Book

2. JVM Troubleshooting Guide

3. JUnit Tutorial for Unit Testing

4. Java Annotations Tutorial

5. Java Interview Questions

6. Spring Interview Questions

7. Android UI Design

 

and many more ....

 

Receive Java & Developer job alerts in your Area

 

Leave a Reply

avatar
  Subscribe  
Notify of