com.sap.cloud.sdk.s4hana.datamodel.messaging.jms

Class JmsMessageDelegator

java.lang.Object

com.sap.cloud.sdk.s4hana.datamodel.messaging.jms.JmsMessageDelegator

All Implemented Interfaces:

javax.jms.MessageListener

@Beta
public class JmsMessageDelegator
extends Object
implements javax.jms.MessageListener

Central MessageListener implementation that gives you the option to register a type-safe MessageListener in a JMS context.

Constructor Summary

Constructors

Constructor and Description
JmsMessageDelegator(MessageDelegator delegate) Instantiates this class and expects an instance of MessageDelegator that is informed upon the reception of a JMS message.
JmsMessageDelegator(MessageDelegator delegate, JmsMessagingVdmConverter jmsMessageConverter) Instantiates this class and expects an instance of MessageDelegator plus an instance of a JmsMessagingVdmConverter.

Method Summary

Modifier and Type	Method and Description
void	addListener(MessageListener<?> listener) Add a custom, type-safe listener to react on messages sent from the SAP Cloud Platform Enterprise Messaging service.
void	onMessage(javax.jms.Message message) This method is called with every message received by the application.

Methods inherited from class java.lang.Object

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

Constructor Detail

JmsMessageDelegator

public JmsMessageDelegator(@Nonnull
                           MessageDelegator delegate)

Instantiates this class and expects an instance of MessageDelegator that is informed upon the reception of a JMS message. An instance of JmsMessagingVdmConverter with default configuration will be used.

Parameters:

delegate - The message delegator

JmsMessageDelegator

public JmsMessageDelegator(@Nonnull
                           MessageDelegator delegate,
                           @Nonnull
                           JmsMessagingVdmConverter jmsMessageConverter)

Instantiates this class and expects an instance of MessageDelegator plus an instance of a JmsMessagingVdmConverter.

Parameters:

delegate - The message delegator

jmsMessageConverter - The instance of JmsMessagingVdmConverter to use when translating JMS messages to Messaging VDM objects.

Method Detail

onMessage

public void onMessage(@Nullable
                      javax.jms.Message message)

This method is called with every message received by the application.

This implementation then redirects these messages to the corresponding registered listeners which will receive this message in a type-safe way.

Specified by:

onMessage in interface javax.jms.MessageListener

Parameters:

message - The message received by the application.

addListener

public void addListener(@Nonnull
                        MessageListener<?> listener)

Add a custom, type-safe listener to react on messages sent from the SAP Cloud Platform Enterprise Messaging service.

Parameters:

listener - The listener implementation to add.