One of the patterns mentioned on the eai patterns site is the so called Aggregator pattern.
"Use a stateful filter, an Aggregator, to collect and store individual messages until a complete set of related messages has been received. Then, the Aggregator publishes a single message distilled from the individual messages"
We will be using this pattern in our next use case.
On the Oracle Service Bus we will implement the EmployeeService with an operation called...