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Provides a mechanism for sending commands related to publish/subscribe messaging, ping, and cluster operations.
See Also: CommandMessage on Livedocs (external)
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AUTHENTICATION_MESSAGE_REF_TYPE =
The server message type for authentication commands. |
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PING_OPERATION = 5 This is used to test connectivity over the current channel to the remote endpoint. |
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SYNC_OPERATION = 4 This is used by a remote destination to sync missed or cached messages back to a client as a result of a client issued poll command. |
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CLUSTER_REQUEST_OPERATION = 7 This is used to request a list of failover endpoint URIs for the remote destination based on cluster membership. |
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LOGIN_OPERATION = 8 This is used to send credentials to the endpoint so that the user can be logged in over the current channel. |
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LOGOUT_OPERATION = 9 This is used to log the user out of the current channel, and will invalidate the server session if the channel is HTTP based. |
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POLL_OPERATION = 2 This is used to poll a remote destination for pending, undelivered messages. |
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SELECTOR_HEADER =
Subscribe commands issued by a consumer pass the consumer's selector expression in this header.
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SESSION_INVALIDATE_OPERATION = 10 This is used to indicate that the client's session with a remote destination has timed out. |
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SUBSCRIBE_OPERATION = 0 This is used to subscribe to a remote destination. |
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UNKNOWN_OPERATION = 1000 This is the default operation for new CommandMessage instances. |
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UNSUBSCRIBE_OPERATION = 1 This is used to unsubscribe from a remote destination. |
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DISCONNECT_OPERATION = 12 This operation is used to indicate that a channel has disconnected. |
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str
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messageRefType hmm, not sure about this one. |
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int
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operation The command |
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Inherited from |
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x.__init__(...) initializes x; see x.__class__.__doc__ for signature
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AUTHENTICATION_MESSAGE_REF_TYPEThe server message type for authentication commands.
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LOGIN_OPERATIONThis is used to send credentials to the endpoint so that the user can
be logged in over the current channel. The credentials need to be
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