com.sap.cds.services.impl.messaging.file

Class FileBasedMessagingBroker

java.lang.Object

com.sap.cds.services.impl.messaging.file.FileBasedMessagingBroker

public class FileBasedMessagingBroker
extends Object

Implementation of the internal file based messaging service for local environment tests.

Method Summary

Modifier and Type	Method and Description
static FileBasedMessagingBroker	connect(String name, File exchangeFile, boolean forceListening) Installs the file watcher of the specified file.
void	emitMessage(String topic, TopicMessageEventContext messageEventContext) Emits a new message to the file.
void	registerListener(MessagingBrokerQueueListener listener)
void	subscribeTopic(String topic)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

connect

public static FileBasedMessagingBroker connect(String name,
                                               File exchangeFile,
                                               boolean forceListening)
                                        throws IOException

Installs the file watcher of the specified file.

Parameters:

name - service name

exchangeFile - file to be used for the message exchange

forceListening - enforces the listening of all topics in the file

Returns:

the file based broker instance

Throws:

IOException - in case, the service is already connected or the file watching initialization fails

emitMessage

public void emitMessage(String topic,
                        TopicMessageEventContext messageEventContext)

Emits a new message to the file.

Parameters:

topic - the topic the message should be send to

messageEventContext - the TopicMessageEventContext containing the message that shall be send

registerListener

public void registerListener(MessagingBrokerQueueListener listener)

subscribeTopic

public void subscribeTopic(String topic)