BaseParallelDataSetIterator (deeplearning4j-nn 0.9.1 API)

java.lang.Object
- org.deeplearning4j.datasets.iterator.parallel.BaseParallelDataSetIterator

All Implemented Interfaces:

Serializable, Iterator<org.nd4j.linalg.dataset.DataSet>, org.nd4j.linalg.dataset.api.iterator.DataSetIterator, org.nd4j.linalg.dataset.api.iterator.ParallelDataSetIterator

Direct Known Subclasses:

FileSplitParallelDataSetIterator, JointParallelDataSetIterator
```
public abstract class BaseParallelDataSetIterator
extends Object
implements org.nd4j.linalg.dataset.api.iterator.ParallelDataSetIterator
```
Author:

[email protected]

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type	Field and Description
`protected AtomicBoolean`	`allDepleted`
`protected AtomicLong`	`counter`
`protected org.nd4j.linalg.dataset.api.iterator.enums.InequalityHandling`	`inequalityHandling`
`protected int`	`numProducers`
`protected ThreadLocal<Integer>`	`producerAffinity`
`protected MultiBoolean`	`resetTracker`
`protected MultiBoolean`	`states`

Constructor Summary

Constructors
Modifier Constructor and Description

protected BaseParallelDataSetIterator(int numProducers)

Constructors
Modifier	Constructor and Description
`protected`	`BaseParallelDataSetIterator(int numProducers)`

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`asyncSupported()`
`void`	`attachThread(int producer)`
`int`	`batch()`
`int`	`cursor()`
`protected int`	`getCurrentProducerIndex()`
`List<String>`	`getLabels()`
`org.nd4j.linalg.dataset.api.DataSetPreProcessor`	`getPreProcessor()`
`boolean`	`hasNext()`
`boolean`	`hasNextFor()`
`abstract boolean`	`hasNextFor(int consumer)`
`int`	`inputColumns()`
`org.nd4j.linalg.dataset.DataSet`	`next()`
`org.nd4j.linalg.dataset.DataSet`	`next(int num)`
`org.nd4j.linalg.dataset.DataSet`	`nextFor()`
`abstract org.nd4j.linalg.dataset.DataSet`	`nextFor(int consumer)`
`int`	`numExamples()`
`void`	`remove()`
`void`	`reset()`
`protected abstract void`	`reset(int consumer)`
`boolean`	`resetSupported()`
`void`	`setPreProcessor(org.nd4j.linalg.dataset.api.DataSetPreProcessor preProcessor)`
`protected void`	`stepForward()`
`int`	`totalExamples()`
`int`	`totalOutcomes()`

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

Methods inherited from interface java.util.Iterator
forEachRemaining

- Field Detail
  - counter
```
protected AtomicLong counter
```
  - inequalityHandling
```
protected org.nd4j.linalg.dataset.api.iterator.enums.InequalityHandling inequalityHandling
```
  - numProducers
```
protected int numProducers
```
  - allDepleted
```
protected AtomicBoolean allDepleted
```
  - states
```
protected MultiBoolean states
```
  - resetTracker
```
protected MultiBoolean resetTracker
```
  - producerAffinity
```
protected ThreadLocal<Integer> producerAffinity
```
- Constructor Detail
  - BaseParallelDataSetIterator
```
protected BaseParallelDataSetIterator(int numProducers)
```
- Method Detail
  - hasNext
```
public boolean hasNext()
```
    Specified by:
    
    hasNext in interface Iterator<org.nd4j.linalg.dataset.DataSet>
  - next
```
public org.nd4j.linalg.dataset.DataSet next()
```
    Specified by:
    
    next in interface Iterator<org.nd4j.linalg.dataset.DataSet>
  - getCurrentProducerIndex
```
protected int getCurrentProducerIndex()
```
  - stepForward
```
protected void stepForward()
```
  - reset
```
public void reset()
```
    Specified by:
    
    reset in interface org.nd4j.linalg.dataset.api.iterator.DataSetIterator
  - attachThread
```
public void attachThread(int producer)
```
    Specified by:
    
    attachThread in interface org.nd4j.linalg.dataset.api.iterator.ParallelDataSetIterator
  - hasNextFor
```
public boolean hasNextFor()
```
    Specified by:
    
    hasNextFor in interface org.nd4j.linalg.dataset.api.iterator.ParallelDataSetIterator
  - nextFor
```
public org.nd4j.linalg.dataset.DataSet nextFor()
```
    Specified by:
    
    nextFor in interface org.nd4j.linalg.dataset.api.iterator.ParallelDataSetIterator
  - hasNextFor
```
public abstract boolean hasNextFor(int consumer)
```
    Specified by:
    
    hasNextFor in interface org.nd4j.linalg.dataset.api.iterator.ParallelDataSetIterator
  - nextFor
```
public abstract org.nd4j.linalg.dataset.DataSet nextFor(int consumer)
```
    Specified by:
    
    nextFor in interface org.nd4j.linalg.dataset.api.iterator.ParallelDataSetIterator
  - reset
```
protected abstract void reset(int consumer)
```
  - totalExamples
```
public int totalExamples()
```
    Specified by:
    
    totalExamples in interface org.nd4j.linalg.dataset.api.iterator.DataSetIterator
  - totalOutcomes
```
public int totalOutcomes()
```
    Specified by:
    
    totalOutcomes in interface org.nd4j.linalg.dataset.api.iterator.DataSetIterator
  - resetSupported
```
public boolean resetSupported()
```
    Specified by:
    
    resetSupported in interface org.nd4j.linalg.dataset.api.iterator.DataSetIterator
  - asyncSupported
```
public boolean asyncSupported()
```
    Specified by:
    
    asyncSupported in interface org.nd4j.linalg.dataset.api.iterator.DataSetIterator
  - batch
```
public int batch()
```
    Specified by:
    
    batch in interface org.nd4j.linalg.dataset.api.iterator.DataSetIterator
  - cursor
```
public int cursor()
```
    Specified by:
    
    cursor in interface org.nd4j.linalg.dataset.api.iterator.DataSetIterator
  - numExamples
```
public int numExamples()
```
    Specified by:
    
    numExamples in interface org.nd4j.linalg.dataset.api.iterator.DataSetIterator
  - next
```
public org.nd4j.linalg.dataset.DataSet next(int num)
```
    Specified by:
    
    next in interface org.nd4j.linalg.dataset.api.iterator.DataSetIterator
  - inputColumns
```
public int inputColumns()
```
    Specified by:
    
    inputColumns in interface org.nd4j.linalg.dataset.api.iterator.DataSetIterator
  - setPreProcessor
```
public void setPreProcessor(org.nd4j.linalg.dataset.api.DataSetPreProcessor preProcessor)
```
    Specified by:
    
    setPreProcessor in interface org.nd4j.linalg.dataset.api.iterator.DataSetIterator
  - getPreProcessor
```
public org.nd4j.linalg.dataset.api.DataSetPreProcessor getPreProcessor()
```
    Specified by:
    
    getPreProcessor in interface org.nd4j.linalg.dataset.api.iterator.DataSetIterator
  - getLabels
```
public List<String> getLabels()
```
    Specified by:
    
    getLabels in interface org.nd4j.linalg.dataset.api.iterator.DataSetIterator
  - remove
```
public void remove()
```
    Specified by:
    
    remove in interface Iterator<org.nd4j.linalg.dataset.DataSet>

Class BaseParallelDataSetIterator

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface java.util.Iterator

Field Detail

counter

inequalityHandling

numProducers

allDepleted

states

resetTracker

producerAffinity

Constructor Detail

BaseParallelDataSetIterator

Method Detail

hasNext

next

getCurrentProducerIndex

stepForward

reset

attachThread

hasNextFor

nextFor

hasNextFor

nextFor

reset

totalExamples

totalOutcomes

resetSupported

asyncSupported

batch

cursor

numExamples

next

inputColumns

setPreProcessor

getPreProcessor

getLabels

remove