ptolemy.backtrack.util
Class FieldRecord.CombinedIterator

java.lang.Object
  ptolemy.backtrack.util.FieldRecord.CombinedIterator

All Implemented Interfaces:

java.util.Iterator

Enclosing class:

FieldRecord

public class FieldRecord.CombinedIterator
extends java.lang.Object
implements java.util.Iterator

Combinated iterator of all the dimensions. It returns records in their reversed timestamp order.

Since:

Ptolemy II 5.1

Version:

$Id: FieldRecord.java 57040 2010-01-27 20:52:32Z cxh $

Author:

Thomas Feng

See Also:

FieldRecord.iterator()

Accepted Rating:

Red (tfeng)

Proposed Rating:

Red (tfeng)

Field Summary

private int	_currentNum The number of records that have been returned by next().
private FieldRecord.RecordList[]	_currentRecords The current record for each dimension.
private int	_lastIndex The dimension of the last returned record.
private FieldRecord.RecordList	_lastRecord The last returned record.

Constructor Summary

FieldRecord.CombinedIterator()
Construct an iterator.

Method Summary

private int	_maxTimestampIndex() Get the index of the maximum timestamp in the current records.
boolean	hasNext() Test if there are more elements.
java.lang.Object	next() Return the next element.
void	remove() Remove the last element returned by next().

Methods inherited from class java.lang.Object

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

Field Detail

_currentNum

private int _currentNum

The number of records that have been returned by next().

_currentRecords

private FieldRecord.RecordList[] _currentRecords

The current record for each dimension. Each current record is the next record to be returned by next() for that index, or null if no more record for that dimension.

_lastIndex

private int _lastIndex

The dimension of the last returned record.

_lastRecord

private FieldRecord.RecordList _lastRecord

The last returned record.

Constructor Detail

FieldRecord.CombinedIterator

FieldRecord.CombinedIterator()

Construct an iterator.

Method Detail

hasNext

public boolean hasNext()

Test if there are more elements.

Specified by:

hasNext in interface java.util.Iterator

Returns:

true if there are more elements.

next

public java.lang.Object next()

Return the next element.

Specified by:

next in interface java.util.Iterator

Returns:

The next element.

remove

public void remove()

Remove the last element returned by next(). This function must be called after next().

Specified by:

remove in interface java.util.Iterator

_maxTimestampIndex

private int _maxTimestampIndex()

Get the index of the maximum timestamp in the current records.

Returns:

The index.