hex

Class FrameTask2<T extends FrameTask2<T>>

java.lang.Object

jsr166y.ForkJoinTask<java.lang.Void>

jsr166y.CountedCompleter

water.H2O.H2OCountedCompleter<T>

water.DTask<T>

water.MRTask<T>

hex.FrameTask2<T>

All Implemented Interfaces:

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

Direct Known Subclasses:

GLMTask.ComputeDiTriGammaTsk, GLMTask.ComputeGammaMLSETsk, GLMTask.ComputeSEorDEVIANCETsk, GLMTask.GLMIterationTask, GLMTask.GLMIterationTaskMultinomial, GLMTask.GLMMultinomialUpdate, GLMTask.LSTask, Gram.GramTask

public abstract class FrameTask2<T extends FrameTask2<T>>
extends water.MRTask<T>

Created by tomasnykodym on 6/1/15. Frame task updated with sparse data support. Separate class for now, should be merged with FrameTask(1) at some point.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class water.MRTask

water.MRTask.PostMapAction<T extends water.MRTask.PostMapAction<T>>

Nested classes/interfaces inherited from class water.DTask

water.DTask.DKeyTask<T extends water.DTask.DKeyTask,V extends water.Keyed>, water.DTask.RemoveCall

Field Summary

Fields

Modifier and Type	Field and Description
protected DataInfo	_dinfo
protected boolean	_sparse

Fields inherited from class water.MRTask

_appendables, _fr, _fs, _hi, _keys, _left, _lo, _nhi, _nleft, _nlo, _nrite, _rite, _run_local, _topLocal

Fields inherited from class water.DTask

_ex

Constructor Summary

Constructors

Constructor and Description
FrameTask2(water.H2O.H2OCountedCompleter cmp, DataInfo dinfo, water.Key<water.Job> jobKey)

Method Summary

Modifier and Type	Method and Description
void	chunkDone() Perform action after processing one "chunk" of data/
void	chunkInit() Initialization method, called once per "chunk".
boolean	handlesSparseData()
void	map(water.fvec.Chunk[] chks)
protected abstract void	processRow(DataInfo.Row r)
T	setSparse(boolean b)
void	setupLocal()

Methods inherited from class water.MRTask

appendables, asyncExecOnAllNodes, block, closeLocal, compute2, dfork, dfork, dfork, dfork, dfork, dinvoke, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAllNodes, getResult, getResult, isReleasable, map, map, map, map, map, map, map, map, map, map, map, modifiesVolatileVecs, onCompletion, onExceptionalCompletion, outputFrame, outputFrame, outputFrame, postGlobal, profile, profString, reduce, self, withPostMapAction

Methods inherited from class water.DTask

copyOver, getDException, hasException, logVerbose, onAck, onAckAck, setException

Methods inherited from class water.H2O.H2OCountedCompleter

asBytes, clone, compute, compute1, currThrPriority, frozenType, icer, priority, read, readJSON, reloadFromBytes, write, writeJSON

Methods inherited from class jsr166y.CountedCompleter

__tryComplete, 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, 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

Field Detail

_sparse

protected boolean _sparse

_dinfo

protected final DataInfo _dinfo

Constructor Detail

FrameTask2

public FrameTask2(water.H2O.H2OCountedCompleter cmp,
                  DataInfo dinfo,
                  water.Key<water.Job> jobKey)

Method Detail

setSparse

public T setSparse(boolean b)

chunkInit

public void chunkInit()

Initialization method, called once per "chunk". Typically create result object used by processRow to store rersults.

chunkDone

public void chunkDone()

Perform action after processing one "chunk" of data/

setupLocal

public void setupLocal()

Overrides:

setupLocal in class water.MRTask<T extends FrameTask2<T>>

handlesSparseData

public boolean handlesSparseData()

processRow

protected abstract void processRow(DataInfo.Row r)

map

public void map(water.fvec.Chunk[] chks)

Overrides:

map in class water.MRTask<T extends FrameTask2<T>>