/**
* Creates a new instance of the counter.
*/
internal DoubleCounter(MonitorConfig config, Clock clock)
: base(config.withAdditionalTag(DataSourceType.NORMALIZED))
{
// This class will reset the value so it is not a monotonically increasing value as
// expected for type=COUNTER. This class looks like a counter to the user and a gauge to
// the publishing pipeline receiving the value.
count = new StepLong(0L, clock);
}
/**
* Creates a new instance of the counter.
*/
public BasicInformational(MonitorConfig config)
: base(config.withAdditionalTag(DataSourceType.INFORMATIONAL))
{
}
/**
* Creates a new instance of the gauge using a specific clock. Useful for unit testing.
*/
internal MaxGauge(MonitorConfig config, Clock clock)
: base(config.withAdditionalTag(DataSourceType.GAUGE))
{
max = new StepLong(0L, clock);
}
/**
* Creates a new instance of the gauge.
*
* @param config configuration for this monitor
* @param function a function used to fetch the value on demand
*/
public BasicGauge(MonitorConfig config, Callable <T> function)
: base(config.withAdditionalTag(DataSourceType.GAUGE))
{
this.function = function;
}
/**
* Creates a new instance of the counter.
*/
public BasicCounter(MonitorConfig config)
: base(config.withAdditionalTag(DataSourceType.COUNTER))
{
}