com.bigdata.counters

Class History.SampleIterator

java.lang.Object

com.bigdata.counters.History.SampleIterator

All Implemented Interfaces:

Iterator<IHistoryEntry<T>>

Enclosing class:

History<T>

public class History.SampleIterator
extends Object
implements Iterator<IHistoryEntry<T>>

Takes a snapshot of the samples in the History and then visits those samples.

Version:

$Id$

Author:

Bryan Thompson

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	History.SampleIterator()

Method Summary

Methods

Modifier and Type	Method and Description
long	getFirstSampleTime() The timestamp associated with the first sample.
long	getLastSampleTime() The timestamp associated with the last sample.
int	getSampleCount() The #of slots with sampled data.
boolean	hasNext()
IHistoryEntry<T>	next()
void	remove()

Methods inherited from class java.lang.Object

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

Constructor Detail

History.SampleIterator

protected History.SampleIterator()

Method Detail

getSampleCount

public int getSampleCount()

The #of slots with sampled data.

getFirstSampleTime

public long getFirstSampleTime()

The timestamp associated with the first sample.

Returns:

The timestamp -or- -1 if there are no samples.

getLastSampleTime

public long getLastSampleTime()

The timestamp associated with the last sample.

Returns:

The timestamp -or- -1 if there are no samples.

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<IHistoryEntry<T>>

next

public IHistoryEntry<T> next()

Specified by:

next in interface Iterator<IHistoryEntry<T>>

remove

public void remove()

Specified by:

remove in interface Iterator<IHistoryEntry<T>>