This interface provides methods to get all the information sent from the server about the CQ
event. The CqEvent is passed to the CQs CqListener methods. It can be used to retrieve such
information as the region operation, CQ operation associated with the event, the new key and
value from the event, and the CqQuery object associated with the event. The CqEvent is not an
extension of CacheEvent.
Get the operation on the query results. Supported operations include update, create, destroy,
region clear and region invalidate.
Operation operation with respect to CQ.
Get the key relating to the event. In case of REGION_CLEAR and REGION_INVALIDATE operation, the
key will be null.
Get the new value of the modification. If there is no new value returns null, this will happen
during delete operation. May throw InvalidDeltaException, if value is null and
Delta Propagation is enabled.
Object new/modified value.
If an error occurred, return the Throwable, otherwise return null. If an error occurred, then
this event will be passed to the onError method of the CqListener instead of the
Throwable exception related to error.
Get the delta modification. If there is no delta, returns null. New value may still be