org.datamixer.collections
Class NullIterator

java.lang.Object
  org.datamixer.collections.DatamixerIterator
      org.datamixer.collections.NullIterator

All Implemented Interfaces:

DatamixerEventGenerator, java.util.Iterator

public class NullIterator

extends DatamixerIterator

NullIterator does nothing and returns a null value, always. It is used for its ability to contain listeners.

Field Summary

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

NullIterator()

Method Summary

protected Value	doGetCurrentValue() Returns the value most recently returned by nextValue().
int	getDataType() Returns the datatype.

Methods inherited from class org.datamixer.collections.DatamixerIterator

addDatamixerListener, doDone, doFireDatamixerEvent, doGenerate, doInitialize, doReset, fireDatamixerEvent, generate, getCollection, getContainer, getCurrent, getCurrentValue, getFormat, 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

Constructor Detail

NullIterator

public NullIterator()

Method Detail

getDataType

public int getDataType()

Returns the datatype. Datatypes are integers, defined in java.sql.Types.

Overrides:

getDataType in class DatamixerIterator

doGetCurrentValue

protected Value doGetCurrentValue()

Returns the value most recently returned by nextValue().

Specified by:

doGetCurrentValue in class DatamixerIterator

Returns:

the current value.