Explanation:Most implementation of loaders don’t need to implement this unless they interact with some metadata system. 4. ____________ method will be called by Pig both in the front end and back end to pass a unique signature to the Loader.
A. relativeToAbsolutePath()
B. setUdfContextSignature()
C. getCacheFiles()
D. getShipFiles()
Answer:A
Explanation:Most implementation of loaders don’t need to implement this unless they interact with some metadata system. 4. ____________ method will be called by Pig both in the front end and back end to pass a unique signature to the Loader.
A. relativeToAbsolutePath() B. setUdfContextSignature() C. getCacheFiles() D. getShipFiles()
Explanation:The signature can be used to store into the UDFContext any information which the Loader needs to store between various method invocations in the front end and back end. 5. Point out the wrong statement :