public class FileStream extends ClusteringStream
Modifier and Type | Field and Description |
---|---|
FileOption |
arffFileOption |
IntOption |
classIndexOption |
protected InputStreamProgressMonitor |
fileProgressMonitor |
protected Reader |
fileReader |
protected boolean |
hitEndOfFile |
protected Instances |
instances |
FlagOption |
keepNonNumericalAttrOption |
protected InstanceExample |
lastInstanceRead |
FlagOption |
normalizeOption |
protected int |
numInstancesRead |
ListOption |
removeAttributesOption |
decayHorizonOption, decayThresholdOption, evaluationFrequencyOption, numAttsOption
config
Constructor and Description |
---|
FileStream() |
Modifier and Type | Method and Description |
---|---|
long |
estimatedRemainingInstances()
Gets the estimated number of remaining instances in this stream
|
void |
getDescription(StringBuilder sb,
int indent)
Returns a string representation of this object.
|
InstancesHeader |
getHeader()
Gets the header of this stream.
|
String |
getPurposeString()
Dictionary with option texts and objects
|
boolean |
hasMoreInstances()
Gets whether this stream has more instances to output.
|
boolean |
isRestartable()
Gets whether this stream can restart.
|
InstanceExample |
nextInstance()
Gets the next example from this stream.
|
void |
prepareForUseImpl(TaskMonitor monitor,
ObjectRepository repository)
This method describes the implementation of how to prepare this object for use.
|
protected ArrayList<Double[]> |
readMinMaxDiffValues(HashSet<Integer> ignoredAttributes) |
protected boolean |
readNextInstanceFromFile() |
void |
restart()
Restarts this stream.
|
getDecayHorizon, getDecayThreshold, getEvaluationFrequency
copy, getCLICreationString, getOptions, getPreparedClassOption, prepareClassOptions, prepareForUse, prepareForUse
copy, measureByteSize, measureByteSize, toString
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
copy, measureByteSize
public FileOption arffFileOption
public IntOption classIndexOption
public FlagOption normalizeOption
public ListOption removeAttributesOption
public FlagOption keepNonNumericalAttrOption
protected Instances instances
protected Reader fileReader
protected boolean hitEndOfFile
protected InstanceExample lastInstanceRead
protected int numInstancesRead
protected InputStreamProgressMonitor fileProgressMonitor
public String getPurposeString()
AbstractOptionHandler
getPurposeString
in interface OptionHandler
getPurposeString
in class AbstractOptionHandler
public void prepareForUseImpl(TaskMonitor monitor, ObjectRepository repository)
AbstractOptionHandler
prepareForUseImpl
and not prepareForUse
since
prepareForUse
calls prepareForUseImpl
.prepareForUseImpl
in class AbstractOptionHandler
monitor
- the TaskMonitor to userepository
- the ObjectRepository to usepublic InstancesHeader getHeader()
ExampleStream
public long estimatedRemainingInstances()
ExampleStream
public boolean hasMoreInstances()
ExampleStream
public InstanceExample nextInstance()
ExampleStream
public boolean isRestartable()
ExampleStream
public void restart()
ExampleStream
protected boolean readNextInstanceFromFile()
protected ArrayList<Double[]> readMinMaxDiffValues(HashSet<Integer> ignoredAttributes)
ignoredAttributes
- Attributes that will be ignoredpublic void getDescription(StringBuilder sb, int indent)
MOAObject
AbstractMOAObject.toString
to give a string representation of the object.sb
- the stringbuilder to add the descriptionindent
- the number of characters to indentCopyright © 2019 University of Waikato, Hamilton, NZ. All Rights Reserved.