Package org.apache.calcite.avatica.metrics

Metrics for the Avatica framework.

See: Description

Interface Summary

Interface	Description
Counter	A mutable number.
Gauge<T>	A metrics which measures a discrete value.
Histogram	A metric which measures the distribution of values.
Meter	A metric which measure the rate at which some operation is invoked.
Metric	Parent interface for all metrics.
MetricsSystem	General purpose factory for creating various metrics.
MetricsSystemConfiguration<T>	A container used by a MetricsSystemFactory to create a MetricsSystem.
MetricsSystemFactory	A factory class for creating instances of MetricsSystem.
Timer	A metric which encompasses a Histogram and Meter.
Timer.Context	A object that tracks an active timing state.

Class Summary

Class	Description
MetricsSystemLoader	A utility encapsulating use of ServiceLoader to instantiate a MetricsSystem.

Annotation Types Summary

Annotation Type	Description
PackageMarker	This is a dummy annotation that forces javac to produce output for otherwise empty package-info.java.

Package org.apache.calcite.avatica.metrics Description

Metrics for the Avatica framework.