water.fvec

Class DatasetCompare

java.lang.Object

jsr166y.ForkJoinTask<java.lang.Void>

jsr166y.CountedCompleter

water.H2O.H2OCountedCompleter

water.DTask<T>

water.DRemoteTask<T>

water.MRTask<DatasetCompare>

water.fvec.DatasetCompare

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.util.concurrent.Future<java.lang.Void>, jsr166y.ForkJoinPool.ManagedBlocker, Freezable

public class DatasetCompare
extends MRTask<DatasetCompare>

See Also:

Serialized Form

Field Summary

Fields inherited from class water.MRTask

_hi, _lo, _runSingleThreaded

Fields inherited from class water.DRemoteTask

_fs, _is_local, _keys, _top_level

Fields inherited from class water.DTask

_cls, _eFromNode, _exception, _fname, _lineNum, _msg, _mth

Constructor Summary

Constructors

Constructor and Description
DatasetCompare()

Method Summary

Methods

Modifier and Type	Method and Description
static double	compareDatasets(ValueArray ary, Frame fr)
static void	main(java.lang.String[] args)
void	map(Key key) Run some useful function over this local key, and record the results in the this MRTask.
void	reduce(DatasetCompare drt)

Methods inherited from class water.MRTask

hi, init, lcompute, lo, lonCompletion, memOverheadPerChunk, onExceptionalCompletion

Methods inherited from class water.DRemoteTask

alsoBlockFor, alsoBlockFor, block, clone, compute2, dfork, getFutures, invoke, invokeOnAllNodes, isReleasable, keys, onCompletion, postGlobal, reduceAlsoBlock

Methods inherited from class water.DTask

copyOver, dinvoke, frozenType, getDException, hasException, logVerbose, newInstance, onAck, onAckAck, read, setException, toDocField, write, writeJSONFields

Methods inherited from class water.H2O.H2OCountedCompleter

compute, priority

Methods inherited from class jsr166y.CountedCompleter

addToPendingCount, compareAndSetPendingCount, complete, exec, getCompleter, getPendingCount, getRawResult, setCompleter, setPendingCount, setRawResult, tryComplete

Methods inherited from class jsr166y.ForkJoinTask

adapt, adapt, adapt, cancel, compareAndSetForkJoinTaskTag, completeExceptionally, fork, get, get, getException, getForkJoinTaskTag, getPool, getQueuedTaskCount, getSurplusQueuedTaskCount, helpQuiesce, inForkJoinPool, invoke, invokeAll, invokeAll, invokeAll, isCancelled, isCompletedAbnormally, isCompletedNormally, isDone, join, peekNextLocalTask, pollNextLocalTask, pollTask, quietlyComplete, quietlyInvoke, quietlyJoin, reinitialize, setForkJoinTaskTag, tryUnfork

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DatasetCompare

public DatasetCompare()

Method Detail

compareDatasets

public static final double compareDatasets(ValueArray ary,
                     Frame fr)

map

public void map(Key key)

Description copied from class: MRTask

Run some useful function over this local key, and record the results in the this MRTask.

Specified by:

map in class MRTask<DatasetCompare>

reduce

public void reduce(DatasetCompare drt)

Specified by:

reduce in class DRemoteTask<DatasetCompare>

main

public static void main(java.lang.String[] args)
                 throws java.lang.InterruptedException,
                        java.util.concurrent.ExecutionException

Throws:

java.lang.InterruptedException

java.util.concurrent.ExecutionException