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## cc.mallet.pipe
Class Noop

    java.lang.Object
      cc.mallet.pipe.Pipe
          cc.mallet.pipe.Noop

All Implemented Interfaces:
  AlphabetCarrying, java.io.Serializable

    public class Noop

extends Pipe
implements java.io.Serializable

A pipe that does nothing to the instance fields but which has side effects on the dictionary.

Author:
  Andrew McCallum mccallum@cs.umass.edu
See Also:
  Serialized Form

Constructor Summary
`Noop()`
`Noop(Alphabet dataDict, Alphabet targetDict)` Pass through input without change, but force the creation of Alphabet's, so it can be shared by future DictionariedPipe's.

Method Summary
`Instance` | `pipe(Instance carrier)` Really this should be 'protected', but isn't for historical reasons.

Methods inherited from class cc.mallet.pipe.Pipe
`alphabetsMatch, getAlphabet, getAlphabets, getDataAlphabet, getInstanceId, getTargetAlphabet, instanceFrom, instancesFrom, instancesFrom, isDataAlphabetSet, isTargetProcessing, newIteratorFrom, preceedingPipeDataAlphabetNotification, preceedingPipeTargetAlphabetNotification, precondition, readResolve, setDataAlphabet, setOrCheckDataAlphabet, setOrCheckTargetAlphabet, setTargetAlphabet, setTargetProcessing`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### Noop

    public Noop()

### Noop

    public Noop(Alphabet dataDict,
                Alphabet targetDict)

  Pass through input without change, but force the creation of Alphabet's, so it can be shared by future DictionariedPipe's. You might want to use this before ParallelPipes where the previous pipes do not need dictionaries, but later steps in each parallel path do, and they all must share the same dictionary.

Method Detail

### pipe

    public Instance pipe(Instance carrier)

  Description copied from class: `Pipe`
  Really this should be 'protected', but isn't for historical reasons.

  Overrides:
    `pipe` in class `Pipe`

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