MetricsSystemLoader (Apache Calcite Avatica API)

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

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 Details
- 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.