org.datamixer.functions
Class RandomFunction

java.lang.Object
  org.datamixer.collections.DatamixerIterator
      org.datamixer.functions.RandomFunction

All Implemented Interfaces:

DatamixerEventGenerator, java.util.Iterator

public class RandomFunction

extends DatamixerIterator

RandomFunction returns the next pseudorandom, uniformly distributed double value between 0.0 and 1.0.

Field Summary

protected double	current_ the current value
protected java.util.Random	random_ random number generator
protected long	seed_ seed for random number generator

Fields inherited from class org.datamixer.collections.DatamixerIterator

collection_, debugEnabled_, done_, doneChecked_, doneListeners_, format_, formatPattern_, id_, infoEnabled_, initialized_, logger_, name_, nextListeners_, path_, repeat_, repeatSet_

Constructor Summary

RandomFunction()

Method Summary

protected boolean	doDone() Returns false, always.
protected void	doGenerate() Generate the next element in the collection.
protected Value	doGetCurrentValue() Returns the current value.
java.text.Format	getFormat(java.lang.String pattern) Returns an appropriate Format object.
long	getSeed()
void	setSeed(long value)

Methods inherited from class org.datamixer.collections.DatamixerIterator

addDatamixerListener, doFireDatamixerEvent, doInitialize, doReset, fireDatamixerEvent, generate, getCollection, getContainer, getCurrent, getCurrentValue, getDataType, getFormatPattern, getHasNext, getId, getListeners, getName, getNext, getNextValue, getPath, getRepeat, hasNext, initialize, next, remove, removeDatamixerListener, reset, setCollection, setContainer, setCurrentValue, setDataType, setFormatPattern, setId, setName, setRepeat, toString, updateCurrentValue

Methods inherited from class java.lang.Object

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

Field Detail

current_

protected double current_

the current value

random_

protected java.util.Random random_

random number generator

seed_

protected long seed_

seed for random number generator

Constructor Detail

RandomFunction

public RandomFunction()

Method Detail

doGetCurrentValue

protected Value doGetCurrentValue()

Returns the current value.

Specified by:

doGetCurrentValue in class DatamixerIterator

Returns:

the current value.

getFormat

public java.text.Format getFormat(java.lang.String pattern)

Returns an appropriate Format object.

Overrides:

getFormat in class DatamixerIterator

doDone

protected boolean doDone()
                  throws DatamixerException

Description copied from class: DatamixerIterator

Returns false, always.

Overrides:

doDone in class DatamixerIterator

Throws:

DatamixerException

doGenerate

protected void doGenerate()
                   throws DatamixerException

Description copied from class: DatamixerIterator

Generate the next element in the collection.

Overrides:

doGenerate in class DatamixerIterator

Throws:

DatamixerException

getSeed

public long getSeed()

setSeed

public void setSeed(long value)