Module org.elasticsearch.server

Package org.elasticsearch.common.util.concurrent

Class PrioritizedThrottledTaskRunner<T extends AbstractRunnable & Comparable<T>>

java.lang.Object

org.elasticsearch.common.util.concurrent.PrioritizedThrottledTaskRunner<T>

public class PrioritizedThrottledTaskRunner<T extends AbstractRunnable & Comparable<T>>
extends Object

PrioritizedThrottledTaskRunner performs the enqueued tasks in the order dictated by the natural ordering of the tasks, limiting the max number of concurrently running tasks. Each new task that is dequeued to be run, is forked off to the given executor.

Constructor Summary

Constructors

Constructor	Description
PrioritizedThrottledTaskRunner(String name, int maxRunningTasks, Executor executor)

Method Summary

Modifier and Type	Method	Description
void	enqueueTask(T task)	Submits a task for execution.
int	queueSize()
int	runningTasks()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

PrioritizedThrottledTaskRunner

public PrioritizedThrottledTaskRunner(String name,
 int maxRunningTasks,
 Executor executor)

Method Details

enqueueTask

public void enqueueTask(T task)

Submits a task for execution. If there are fewer than maxRunningTasks tasks currently running then this task is immediately submitted to the executor. Otherwise this task is enqueued and will be submitted to the executor in turn on completion of some other task.

runningTasks

public int runningTasks()

queueSize

public int queueSize()