org.apache.calcite.avatica.metrics

Class MetricsSystemLoader

java.lang.Object

org.apache.calcite.avatica.metrics.MetricsSystemLoader

public class MetricsSystemLoader
extends Object

A utility encapsulating use of ServiceLoader to instantiate a MetricsSystem.

Method Summary

Modifier and Type	Method and Description
static MetricsSystem	load(MetricsSystemConfiguration<?> config) Creates a MetricsSystem instance using the corresponding MetricsSystemFactory available to ServiceLoader on the classpath.

Methods inherited from class java.lang.Object

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

Method Detail

load

public static MetricsSystem load(MetricsSystemConfiguration<?> config)

Creates a MetricsSystem instance using the corresponding MetricsSystemFactory available to ServiceLoader on the classpath. If there is not exactly one instance of a MetricsSystemFactory, an instance of NoopMetricsSystem will be returned.

Parameters:

config - State to pass to the MetricsSystemFactory.

Returns:

A MetricsSystem implementation.