Java in a Nutshell, 5th Edition

Name

ThreadPoolExecutor.DiscardOldestPolicy

Synopsis

This RejectedExecutionHandler implementation discards the rejected Runnable if the ThreadPoolExecutor has been shut down. Otherwise, it discards the oldest pending task that has not run and tries again to execute( ) the rejected task.

public static class ThreadPoolExecutor.DiscardOldestPolicy implements RejectedExecutionHandler {
// Public Constructors
     public DiscardOldestPolicy( );  
// Methods Implementing RejectedExecutionHandler
     public void rejectedExecution(Runnable r, ThreadPoolExecutor e);  
}