# Uses of Class
org.apache.storm.windowing.WindowManager

Packages that use WindowManager
Package
Description
org.apache.storm.trident.windowing
org.apache.storm.windowing

- ## Uses of WindowManager in org.apache.storm.trident.windowing

  Fields in org.apache.storm.trident.windowing declared as WindowManager
  Modifier and Type
  Field
  Description
  `protected final WindowManager<T>`
  AbstractTridentWindowManager.`windowManager`

- ## Uses of WindowManager in org.apache.storm.windowing

  Subclasses of WindowManager in org.apache.storm.windowing
  Modifier and Type
  Class
  Description
  `class`
  `StatefulWindowManager<T>`
  Window manager that handles windows with state persistence.
  Constructors in org.apache.storm.windowing with parameters of type WindowManager
  Modifier
  Constructor
  Description
  ``
  `WatermarkCountTriggerPolicy(int count, TriggerHandler handler, EvictionPolicy<T,?> evictionPolicy, WindowManager<T> windowManager)`
  ``
  `WaterMarkEventGenerator(WindowManager<T> windowManager, int intervalMs, int eventTsLagMs, Set<GlobalStreamId> inputStreams)`
  Creates a new WatermarkEventGenerator.
  ``
  `WatermarkTimeTriggerPolicy(long slidingIntervalMs, TriggerHandler handler, EvictionPolicy<T,?> evictionPolicy, WindowManager<T> windowManager)`