com.yammer.metrics.stats
Interface Sample

All Known Implementing Classes:

ExponentiallyDecayingSample, UniformSample

public interface Sample

A statistically representative sample of a data stream.

Method Summary

void	clear() Clears all recorded values.
void	dump(File output) Writes the values of the sample to the given file.
int	size() Returns the number of values recorded.
void	update(long value) Adds a new recorded value to the sample.
List<Long>	values() Returns a copy of the sample's values.

Method Detail

clear

void clear()

Clears all recorded values.

size

int size()

Returns the number of values recorded.

Returns:

the number of values recorded

update

void update(long value)

Adds a new recorded value to the sample.

Parameters:

value - a new recorded value

values

List<Long> values()

Returns a copy of the sample's values.

Returns:

a copy of the sample's values

dump

void dump(File output)
          throws IOException

Writes the values of the sample to the given file.

Parameters:

output - the file to which the values will be written

Throws:

IOException - if there is an error writing the values