org.springframework.integration.aggregator
Interface CorrelationStrategy
- All Known Implementing Classes:
- ExpressionEvaluatingCorrelationStrategy, HeaderAttributeCorrelationStrategy, MethodInvokingCorrelationStrategy
public interface CorrelationStrategy
Strategy for determining how messages can be correlated. Implementations
should return the correlation key value associated with a particular message.
- Author:
- Marius Bogoevici, Iwein Fuld
getCorrelationKey
java.lang.Object getCorrelationKey(Message<?> message)
- Find the correlation key for the given message. If no key can be determined the strategy should not return
null
, but throw an exception.