/**
* Sets a correlationId for this message. The correlation Id can be used by components in the
* system to manage message relations.
*
* <p>The correlationId is associated with the message using the underlying transport protocol. As
* such not all messages will support the notion of a correlationId i.e. tcp or file. In this
* situation the correlation Id is set as a property of the message where it's up to developer to
* keep the association with the message. For example if the message is serialised to xml the
* correlationId will be available in the message.
*
* @return the correlationId for this message or null if one hasn't been set
*/
public String getCorrelationId() {
return adapter.getCorrelationId();
}
