MetricRegistriesImpl (Apache HBase 1.4.11 API)

java.lang.Object
- org.apache.hadoop.hbase.metrics.MetricRegistries
- - org.apache.hadoop.hbase.metrics.impl.MetricRegistriesImpl

@InterfaceAudience.Private
public class MetricRegistriesImpl
extends MetricRegistries

Implementation of MetricRegistries that does ref-counting.

Constructor Summary

Constructors
Constructor and Description

MetricRegistriesImpl()

MetricRegistriesImpl(MetricRegistryFactory factory)

Constructors
Constructor and Description
`MetricRegistriesImpl()`
`MetricRegistriesImpl(MetricRegistryFactory factory)`

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`clear()` Removes all the MetricRegisties.
`MetricRegistry`	`create(MetricRegistryInfo info)` Create or return MetricRegistry with the given info.
`com.google.common.base.Optional<MetricRegistry>`	`get(MetricRegistryInfo info)` Returns the MetricRegistry if found.
`Collection<MetricRegistry>`	`getMetricRegistries()` Returns MetricRegistry's created.
`Set<MetricRegistryInfo>`	`getMetricRegistryInfos()` Returns MetricRegistryInfo's for the MetricRegistry's created.
`boolean`	`remove(MetricRegistryInfo key)` Decrements the ref count of the MetricRegistry, and removes if ref count == 0.

Methods inherited from class org.apache.hadoop.hbase.metrics.MetricRegistries
global

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

- Constructor Detail
  - MetricRegistriesImpl
```
public MetricRegistriesImpl()
```
  - MetricRegistriesImpl
```
public MetricRegistriesImpl(MetricRegistryFactory factory)
```
- Method Detail
  - create
```
public MetricRegistry create(MetricRegistryInfo info)
```
    Description copied from class: MetricRegistries
    
    Create or return MetricRegistry with the given info. MetricRegistry will only be created if current reference count is 0. Otherwise ref counted is incremented, and an existing instance will be returned.
    
    Specified by:
    
    create in class MetricRegistries
    
    Parameters:
    info - the info object for the MetricRegistrytry.
    
    Returns:
    created or existing MetricRegistry.
  - remove
```
public boolean remove(MetricRegistryInfo key)
```
    Description copied from class: MetricRegistries
    
    Decrements the ref count of the MetricRegistry, and removes if ref count == 0.
    
    Specified by:
    
    remove in class MetricRegistries
    
    Parameters:
    key - the info object for the MetricRegistrytry.
    
    Returns:
    true if metric registry is removed.
  - get
```
public com.google.common.base.Optional<MetricRegistry> get(MetricRegistryInfo info)
```
    Description copied from class: MetricRegistries
    
    Returns the MetricRegistry if found.
    
    Specified by:
    
    get in class MetricRegistries
    
    Parameters:
    info - the info for the registry.
    
    Returns:
    a MetricRegistry optional.
  - getMetricRegistries
```
public Collection<MetricRegistry> getMetricRegistries()
```
    Description copied from class: MetricRegistries
    
    Returns MetricRegistry's created.
    
    Specified by:
    
    getMetricRegistries in class MetricRegistries
    
    Returns:
    MetricRegistry's created.
  - clear
```
public void clear()
```
    Description copied from class: MetricRegistries
    
    Removes all the MetricRegisties.
    
    Specified by:
    
    clear in class MetricRegistries
  - getMetricRegistryInfos
```
public Set<MetricRegistryInfo> getMetricRegistryInfos()
```
    Description copied from class: MetricRegistries
    
    Returns MetricRegistryInfo's for the MetricRegistry's created.
    
    Specified by:
    
    getMetricRegistryInfos in class MetricRegistries
    
    Returns:
    MetricRegistryInfo's for the MetricRegistry's created.

Class MetricRegistriesImpl

Constructor Summary

Method Summary

Methods inherited from class org.apache.hadoop.hbase.metrics.MetricRegistries

Methods inherited from class java.lang.Object

Constructor Detail

MetricRegistriesImpl

MetricRegistriesImpl

Method Detail

create

remove

get

getMetricRegistries

clear

getMetricRegistryInfos