net.corda.core.messaging / TopicSession / <init>

<init>

TopicSession(topic: String, sessionID: Long = DEFAULT_SESSION_ID)

An identifier for the endpoint MessagingService message handlers listen at.

Parameters

topic - identifier for the general subject of the message, for example "platform.network_map.fetch". The topic can be the empty string to match all messages (session ID must be DEFAULT_SESSION_ID).

sessionID - identifier for the session the message is part of. For services listening before a session is established, use DEFAULT_SESSION_ID.