cascading.pattern.ensemble.function
Class InsertGUID

java.lang.Object
  cascading.pipe.Pipe
      cascading.pipe.SubAssembly
          cascading.pattern.ensemble.function.InsertGUID

All Implemented Interfaces:

FlowElement, cascading.util.Traceable, Serializable

public class InsertGUID
extends SubAssembly

Class InsertGUID creates a globally unique ID by calling UUID.randomUUID().

This Function also returns false for Operation.isSafe(), preventing duplicate ids from being generated for the same record.

See Also:

Serialized Form

Field Summary

Fields inherited from class cascading.pipe.Pipe

configDef, name, parent, stepConfigDef

Constructor Summary

InsertGUID(Pipe previous, Fields declaredFields)

Method Summary

Methods inherited from class cascading.pipe.SubAssembly

getName, getPrevious, getTailNames, getTails, setPrevious, setTails, unwind

Methods inherited from class cascading.pipe.Pipe

equals, getConfigDef, getHeads, getParent, getStepConfigDef, getTrace, hasConfigDef, hashCode, hasStepConfigDef, id, isEquivalentTo, named, names, outgoingScopeFor, pipes, print, printInternal, resolveIncomingOperationArgumentFields, resolveIncomingOperationPassThroughFields, setParent, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

InsertGUID

public InsertGUID(Pipe previous,
                  Fields declaredFields)