com.sap.cds.feature.messaging.local

Class FileBasedMessagingService

java.lang.Object

com.sap.cds.feature.messaging.local.FileBasedMessagingService

public class FileBasedMessagingService
extends Object

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

Constructor Summary

Constructors

Constructor and Description
FileBasedMessagingService()

Method Summary

Modifier and Type	Method and Description
static void	connect(File exchangeFile) Installs the file watcher of the specified file.
static void	emitMessage(String topic, String event) Emits a new message to the file.
static void	listenToQueue(String queue, com.sap.cds.feature.messaging.local.FileBasedMessagingService.QueueListener listener) Registers a listener to the specified queue.
static void	subscribeTopic(String queue, String topic) Subscribes a topic to the specified queue.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileBasedMessagingService

public FileBasedMessagingService()

Method Detail

connect

public static void connect(File exchangeFile)
                    throws IOException

Installs the file watcher of the specified file.

Parameters:

exchangeFile - file to be used for the message exchange

Throws:

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

emitMessage

public static void emitMessage(String topic,
                               String event)

Emits a new message to the file.

Parameters:

topic - the topic the message should be send to

event - the event message to be sent

listenToQueue

public static void listenToQueue(String queue,
                                 com.sap.cds.feature.messaging.local.FileBasedMessagingService.QueueListener listener)

Registers a listener to the specified queue.

Parameters:

queue - the queue to listen on

listener - the listener

subscribeTopic

public static void subscribeTopic(String queue,
                                  String topic)

Subscribes a topic to the specified queue.

Parameters:

queue - the queue to subscribe to the topic

topic - the topic to be subscribed on