# Class BackgroundProcessManager

java.lang.Object
org.apache.tomcat.websocket.BackgroundProcessManager

public class BackgroundProcessManager extends Object
Provides a background processing mechanism that triggers roughly once a second. The class maintains a thread that only runs when there is at least one instance of `BackgroundProcess` registered.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `static BackgroundProcessManager`
  `getInstance()`
  Returns the singleton instance of the BackgroundProcessManager.
  `void`
  `register(BackgroundProcess process)`
  Registers a background process for periodic execution.
  `void`
  `unregister(BackgroundProcess process)`
  Unregisters a previously registered background process.

  ### Methods inherited from class Object

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

- ## Method Details

  - ### getInstance

    public static BackgroundProcessManager getInstance()
    Returns the singleton instance of the BackgroundProcessManager.
    Returns:
      the singleton instance

  - ### register

    public void register(BackgroundProcess process)
    Registers a background process for periodic execution.
    Parameters:
      `process` - the background process to register

  - ### unregister

    public void unregister(BackgroundProcess process)
    Unregisters a previously registered background process.
    Parameters:
      `process` - the background process to unregister