# Package org.apache.catalina.tribes.group.interceptors

- Interface Summary
  Interface | Description
  --- | ---
  DomainFilterInterceptorMBean |
  EncryptInterceptorMBean |
  FragmentationInterceptorMBean |
  MessageDispatchInterceptorMBean |
  StaticMembershipInterceptorMBean |
  TcpFailureDetectorMBean |
  TcpPingInterceptorMBean |
  ThroughputInterceptorMBean |

- Class Summary
  Class | Description
  --- | ---
  DomainFilterInterceptor | Title: Member domain filter interceptor Description: Filters membership based on domain.
  EncryptInterceptor | Adds encryption using a pre-shared key.
  FragmentationInterceptor | The fragmentation interceptor splits up large messages into smaller messages and assembles them on the other end.
  FragmentationInterceptor.FragCollection |
  FragmentationInterceptor.FragKey |
  GzipInterceptor |
  MessageDispatchInterceptor | The message dispatcher is a way to enable asynchronous communication through a channel.

  NonBlockingCoordinator

  Title: Auto merging leader election algorithm Description: Implementation of a simple coordinator algorithm that not only selects a coordinator, it also merges groups automatically when members are discovered that weren't part of the This algorithm is non blocking meaning it allows for transactions while the coordination phase is going on This implementation is based on a home brewed algorithm that uses the AbsoluteOrder of a membership to pass a token ring of the current membership.

  NonBlockingCoordinator.CoordinationEvent |
  NonBlockingCoordinator.CoordinationMessage |
  OrderInterceptor | The order interceptor guarantees that messages are received in the same order they were sent.
  OrderInterceptor.Counter |
  OrderInterceptor.MessageOrder |
  SimpleCoordinator | A dinky coordinator, just uses a sorted version of the member array.
  StaticMembershipInterceptor |
  TcpFailureDetector | Title: A perfect failure detector Description: The TcpFailureDetector is a useful interceptor that adds reliability to the membership layer.
  TcpPingInterceptor | Sends a ping to all members.
  ThroughputInterceptor |
  TwoPhaseCommitInterceptor |
  TwoPhaseCommitInterceptor.MapEntry |

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