ProducerCallback (Spring Framework 5.2.12.RELEASE API)

Type Parameters:
T - the result type
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface ProducerCallback<T>
```
Callback for sending a message to a JMS destination.
To be used with JmsTemplate's callback methods that take a ProducerCallback argument, often implemented as an anonymous inner class or as a lambda expression.
The typical implementation will perform multiple operations on the supplied JMS Session and MessageProducer.
Since:
1.1
Author:
Mark Pollack
See Also:
JmsTemplate.execute(ProducerCallback), JmsTemplate.execute(javax.jms.Destination, ProducerCallback), JmsTemplate.execute(String, ProducerCallback)

- Method Summary
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  T doInJms(Session session, MessageProducer producer)
  Perform operations on the given Session and MessageProducer.

- Method Detail
  - doInJms
```
@Nullable
T doInJms(Session session,
          MessageProducer producer)
   throws JMSException
```
    Perform operations on the given Session and MessageProducer.
    The message producer is not associated with any destination unless when specified in the JmsTemplate call.
    Parameters:
    session - the JMS Session object to use
    producer - the JMS MessageProducer object to use
    Returns:
    a result object from working with the Session, if any (or null if none)
    Throws:
    JMSException - if thrown by JMS API methods