MessageListener (Jakarta EE Platform API)

```
public interface MessageListener
```
This serves as a request-response message listener type that message endpoints (message-driven beans) may implement. This allows an EIS to communicate with an endpoint using a request-response style.

Version:

1.0

Author:

Ram Jeyaraman

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Record`	`onMessage(Record inputData)`	This method allows an EIS to call a message endpoint using a request-response style communication.

- Method Detail
  - onMessage
```
Record onMessage(Record inputData)
          throws ResourceException
```
    This method allows an EIS to call a message endpoint using a request-response style communication.
    
    Parameters:
    
    inputData - a Record instance.
    
    Returns:
    
    a Record instance or null.
    
    Throws:
    
    ResourceException - indicates an exceptional condition.