public interface MessageChannel
boolean send(Message<?> message)
Message to this channel. May throw a RuntimeException for
non-recoverable errors. Otherwise, if the Message cannot be sent for a
non-fatal reason this method will return 'false', and if the Message is
sent successfully, it will return 'true'.
Depending on the implementation, this method may block indefinitely.
To provide a maximum wait time, use send(Message, long).
message - the Message to sendboolean send(Message<?> message, long timeout)
message - the Message to sendtimeout - the timeout in millisecondstrue if the message is sent successfully,
false if the specified timeout period elapses or
the send is interrupted