org.javasimon.callback.timeline
Class Timeline<TR extends TimeRange>

java.lang.Object
  org.javasimon.callback.timeline.Timeline<TR>

Direct Known Subclasses:

StopwatchTimeline

public abstract class Timeline<TR extends TimeRange>
extends Object

Collection of values sorted on a time line.

Author:

gerald

Field Summary

private TR	lastTimeRange Last used time range
protected CircularList<TR>	timeRanges List of time ranges
protected long	timeRangeWidth Time range width in milliseconds

Constructor Summary

protected

Timeline(int capacity, long timeRangeWidth) Main constructor.

Method Summary

protected abstract TR	createTimeRange(long startTimestamp, long endTimestamp) Create an time range (factory method).
protected TR	getOrCreateTimeRange(long timestamp) Get existing time range if it already exists or create a new one
abstract TimelineSample<TR>	sample()

Methods inherited from class java.lang.Object

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

Field Detail

timeRanges

protected final CircularList<TR extends TimeRange> timeRanges

List of time ranges

timeRangeWidth

protected final long timeRangeWidth

Time range width in milliseconds

lastTimeRange

private TR extends TimeRange lastTimeRange

Last used time range

Constructor Detail

Timeline

protected Timeline(int capacity,
                   long timeRangeWidth)

Main constructor.

Parameters:

capacity - Number of time ranges

timeRangeWidth - Width of each time range

Method Detail

createTimeRange

protected abstract TR createTimeRange(long startTimestamp,
                                      long endTimestamp)

Create an time range (factory method).

Parameters:

startTimestamp - Time range start

endTimestamp - Time range end

Returns:

getOrCreateTimeRange

protected final TR getOrCreateTimeRange(long timestamp)

Get existing time range if it already exists or create a new one

Parameters:

timestamp -

Returns:

sample

public abstract TimelineSample<TR> sample()