Package org.apache.pig.backend.hadoop.executionengine.physicalLayer.util

Class Summary
MonitoredUDFExecutor MonitoredUDF is used to watch execution of a UDF, and kill it if the UDF takes an exceedingly long time.
MonitoredUDFExecutor.ErrorCallback UDF authors can optionally extend this class and provide the class of their custom callbacks in the annotation to perform their own handling of errors and timeouts.
PlanHelper Utility class with a few helper functions to deal with physical plans.

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