# Hierarchy For Package org.qi4j.spi.metrics

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.qi4j.spi.metrics.DefaultMetric (implements org.qi4j.api.metrics.MetricsCounter, org.qi4j.api.metrics.MetricsGauge<T>, org.qi4j.api.metrics.MetricsHealthCheck, org.qi4j.api.metrics.MetricsHistogram, org.qi4j.api.metrics.MetricsMeter, org.qi4j.api.metrics.MetricsTimer)
  - org.qi4j.spi.metrics.MetricsProviderAdapter (implements org.qi4j.api.metrics.MetricsProvider)
  - org.qi4j.spi.metrics.NullMetricsFactory
  - org.qi4j.spi.metrics.NullMetricsFactory.NullCounterFactory (implements org.qi4j.api.metrics.MetricsCounterFactory)
  - org.qi4j.spi.metrics.NullMetricsFactory.NullGaugeFactory (implements org.qi4j.api.metrics.MetricsGaugeFactory)
  - org.qi4j.spi.metrics.NullMetricsFactory.NullHealthCheckFactory (implements org.qi4j.api.metrics.MetricsHealthCheckFactory)
  - org.qi4j.spi.metrics.NullMetricsFactory.NullHistogramFactory (implements org.qi4j.api.metrics.MetricsHistogramFactory)
  - org.qi4j.spi.metrics.NullMetricsFactory.NullMeterFactory (implements org.qi4j.api.metrics.MetricsMeterFactory)
  - org.qi4j.spi.metrics.NullMetricsFactory.NullTimerFactory (implements org.qi4j.api.metrics.MetricsTimerFactory)