# Package org.richfaces.application.push.impl

- Class Summary
  Class | Description
  --- | ---
  AbstractTopic | Topic encapsulates particular endpoint for sending/receiving messages.
  DefaultMessageDataSerializer |
  MessageDataScriptString |
  PushContextFactoryImpl |
  PushContextImpl
  RequestImpl | Current implementation of Request wraps AtmosphereResource class.
  SessionFactoryImpl |
  SessionImpl | Session represents user’s subscription to a set of topics
  SessionManagerImpl |
  SessionQueue | Based on DelayQueue by Doug Lea: http://gee.cs.oswego.edu/
  TopicImpl |
  TopicsContextImpl | `TopicsContext` that uses `ExecutorService` with cached thread pool for publishing messages.

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