MetricRegistryImpl (Apache HBase 1.4.11 API)

java.lang.Object
- org.apache.hadoop.hbase.metrics.impl.MetricRegistryImpl

All Implemented Interfaces:: Metric, MetricRegistry, MetricSet

@InterfaceAudience.Private
public class MetricRegistryImpl
extends Object
implements MetricRegistry

Custom implementation of MetricRegistry.

Constructor Summary

Constructors
Constructor and Description

MetricRegistryImpl(MetricRegistryInfo info)

Constructors
Constructor and Description
`MetricRegistryImpl(MetricRegistryInfo info)`

Method Summary

Methods
Modifier and Type	Method and Description
`Counter`	`counter(String name)` Get or construct a `Counter` used to track a mutable number.
`protected Counter`	`createCounter()`
`protected Histogram`	`createHistogram()`
`protected Meter`	`createMeter()`
`protected Timer`	`createTimer()`
`com.google.common.base.Optional<Metric>`	`get(String name)` Returns previously registered metric with the name if any.
`MetricRegistryInfo`	`getMetricRegistryInfo()` Return the MetricRegistryInfo object for this registry.
`Map<String,Metric>`	`getMetrics()` A map of metric names to metrics.
`Histogram`	`histogram(String name)` Get or construct a `Histogram` used to measure a distribution of values.
`Meter`	`meter(String name)` Get or construct a `Meter` used to measure durations and report distributions (a combination of a `Timer` and a `Histogram`.
`<T> Gauge<T>`	`register(String name, Gauge<T> gauge)` Register a `Gauge`.
`Metric`	`register(String name, Metric metric)` Registers the `Metric` with the given name if there does not exist one with the same name.
`void`	`registerAll(MetricSet metricSet)` Registers the `Metric`s in the given MetricSet.
`boolean`	`remove(String name)` Removes the metric with the given name.
`Timer`	`timer(String name)` Get or construct a `Timer` used to measure durations and report rates.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - MetricRegistryImpl
```
public MetricRegistryImpl(MetricRegistryInfo info)
```
- Method Detail
  - timer
```
public Timer timer(String name)
```
    Description copied from interface: MetricRegistry
    
    Get or construct a Timer used to measure durations and report rates.
    
    Specified by:
    
    timer in interface MetricRegistry
    
    Parameters:
    name - the name of the timer.
    
    Returns:
    An instance of Timer.
  - createTimer
```
protected Timer createTimer()
```
  - histogram
```
public Histogram histogram(String name)
```
    Description copied from interface: MetricRegistry
    
    Get or construct a Histogram used to measure a distribution of values.
    
    Specified by:
    
    histogram in interface MetricRegistry
    
    Parameters:
    name - The name of the Histogram.
    
    Returns:
    An instance of Histogram.
  - createHistogram
```
protected Histogram createHistogram()
```
  - meter
```
public Meter meter(String name)
```
    Description copied from interface: MetricRegistry
    
    Get or construct a Meter used to measure durations and report distributions (a combination of a Timer and a Histogram.
    
    Specified by:
    
    meter in interface MetricRegistry
    
    Parameters:
    name - The name of the Meter.
    
    Returns:
    An instance of Meter.
  - createMeter
```
protected Meter createMeter()
```
  - counter
```
public Counter counter(String name)
```
    Description copied from interface: MetricRegistry
    
    Get or construct a Counter used to track a mutable number.
    
    Specified by:
    
    counter in interface MetricRegistry
    
    Parameters:
    name - The name of the Counter
    
    Returns:
    An instance of Counter.
  - createCounter
```
protected Counter createCounter()
```
  - get
```
public com.google.common.base.Optional<Metric> get(String name)
```
    Description copied from interface: MetricRegistry
    
    Returns previously registered metric with the name if any.
    
    Specified by:
    
    get in interface MetricRegistry
    
    Parameters:
    name - the name of the metric
    
    Returns:
    previously registered metric
  - register
```
public Metric register(String name,
              Metric metric)
```
    Description copied from interface: MetricRegistry
    
    Registers the Metric with the given name if there does not exist one with the same name. Returns the newly registered or existing Metric.
    
    Specified by:
    
    register in interface MetricRegistry
    
    Parameters:
    name - The name of the Metric.
    metric - the metric to register
    
    Returns:
    the registered metric, or the existing metrid
  - register
```
public <T> Gauge<T> register(String name,
                    Gauge<T> gauge)
```
    Description copied from interface: MetricRegistry
    
    Register a Gauge. The Gauge will be invoked at a period defined by the implementation of MetricRegistry.
    
    Specified by:
    
    register in interface MetricRegistry
    
    Parameters:
    name - The name of the Gauge.
    gauge - A callback to compute the current value.
    
    Returns:
    the registered gauge, or the existing gauge
  - registerAll
```
public void registerAll(MetricSet metricSet)
```
    Description copied from interface: MetricRegistry
    
    Registers the Metrics in the given MetricSet.
    
    Specified by:
    
    registerAll in interface MetricRegistry
    
    Parameters:
    metricSet - set of metrics to register.
  - getMetrics
```
public Map<String,Metric> getMetrics()
```
    Description copied from interface: MetricSet
    
    A map of metric names to metrics.
    
    Specified by:
    
    getMetrics in interface MetricSet
    
    Returns:
    the metrics
  - remove
```
public boolean remove(String name)
```
    Description copied from interface: MetricRegistry
    
    Removes the metric with the given name.
    
    Specified by:
    
    remove in interface MetricRegistry
    
    Parameters:
    name - the name of the metric
    
    Returns:
    true if the metric is removed.
  - getMetricRegistryInfo
```
public MetricRegistryInfo getMetricRegistryInfo()
```
    Description copied from interface: MetricRegistry
    
    Return the MetricRegistryInfo object for this registry.
    
    Specified by:
    
    getMetricRegistryInfo in interface MetricRegistry
    
    Returns:
    MetricRegistryInfo describing the registry.

Class MetricRegistryImpl

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

MetricRegistryImpl

Method Detail

timer

createTimer

histogram

createHistogram

meter

createMeter

counter

createCounter

get

register

register

registerAll

getMetrics

remove

getMetricRegistryInfo