org.springframework.messaging

public Interface SubscribableChannel

Known Direct Implementers: org.springframework.messaging.support.AbstractSubscribableChannel

A MessageChannel that maintains a registry of subscribers and invokes them to handle messages sent through this channel.

Field Summary

Inherited from org.springframework.messaging.MessageChannel:: INDEFINITE_TIMEOUT

Modifier and Type	Method and Description
public boolean	Returns: `true` if the handler was subscribed or `false` if it was already subscribed. subscribe(MessageHandler handler) Register a message handler.
public boolean	Returns: `true` if the handler was un-registered, or `false` if was not registered. unsubscribe(MessageHandler handler) Un-register a message handler.

subscribe	back to summary
public boolean subscribe(MessageHandler handler) Register a message handler. Returns:boolean `true` if the handler was subscribed or `false` if it was already subscribed.

unsubscribe back to summary

unsubscribe	back to summary
public boolean unsubscribe(MessageHandler handler) Un-register a message handler. Returns:boolean `true` if the handler was un-registered, or `false` if was not registered.

public boolean unsubscribe(MessageHandler handler)

Un-register a message handler.

Returns:boolean: true if the handler was un-registered, or false if was not registered.