Package org.apache.storm.trident.windowing

# Class InMemoryWindowsStoreFactory

java.lang.Object
org.apache.storm.trident.windowing.InMemoryWindowsStoreFactory

All Implemented Interfaces:
  `Serializable`, `WindowsStoreFactory`

public class InMemoryWindowsStoreFactory extends Object implements WindowsStoreFactory
InMemoryWindowsStoreFactory contains a single instance of `InMemoryWindowsStore` which will be used for storing tuples and triggers of the window. The same InMemoryWindowsStoreFactory instance is passed to `WindowsStateUpdater`, which removes successfully emitted triggers from the same `inMemoryWindowsStore` instance in `WindowsStateUpdater.updateState(WindowsState, List, TridentCollector)`.

See Also:
  - Serialized Form

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `InMemoryWindowsStoreFactory()`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `WindowsStore`
  `create(Map<String,Object> topoConf)`
  Creates a window store.

  ### Methods inherited from class java.lang.Object

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

- ## Constructor Details

  - ### InMemoryWindowsStoreFactory

    public InMemoryWindowsStoreFactory()

- ## Method Details

  - ### create

    public WindowsStore create(Map<String,Object> topoConf)
    Description copied from interface: `WindowsStoreFactory`
    Creates a window store.
    Specified by:
      `create` in interface `WindowsStoreFactory`
    Parameters:
      `topoConf` - storm topology configuration passed in `TridentProcessor.prepare(Map, TopologyContext, TridentContext)`