DoNothingMetricManager (metric interface 0.13.1 API)

java.lang.Object
- org.apache.iotdb.metrics.impl.DoNothingMetricManager

所有已实现的接口:: MetricManager

public class DoNothingMetricManager
extends Object
implements MetricManager

字段概要

字段
限定符和类型	字段和说明
`static DoNothingCounter`	`doNothingCounter`
`static DoNothingGauge`	`doNothingGauge`
`static DoNothingHistogram`	`doNothingHistogram`
`static DoNothingRate`	`doNothingRate`
`static DoNothingTimer`	`doNothingTimer`

构造器概要

构造器
构造器和说明

DoNothingMetricManager()

构造器
构造器和说明
`DoNothingMetricManager()`

方法概要

所有方法实例方法具体方法
限定符和类型	方法和说明
`void`	`count(long delta, String metric, MetricLevel metricLevel, String... tags)` update Counter.
`void`	`gauge(long value, String metric, MetricLevel metricLevel, String... tags)` set init value of Gauge.
`Map<String[],Counter>`	`getAllCounters()` Get all counters
`Map<String[],Gauge>`	`getAllGauges()` Get all gauges
`Map<String[],Histogram>`	`getAllHistograms()` Get all histogram
`List<String[]>`	`getAllMetricKeys()` get all metric keys.
`Map<String[],Rate>`	`getAllRates()` Get all rates
`Map<String[],Timer>`	`getAllTimers()` Get all timers
`<T> Gauge`	`getOrCreateAutoGauge(String metric, MetricLevel metricLevel, T obj, ToLongFunction<T> mapper, String... tags)` Get Gauge If exists, then return or create one to return This type of gauge will keep a weak reference of the obj, so it will not prevent the obj's gc.
`Counter`	`getOrCreateCounter(String metric, MetricLevel metricLevel, String... tags)` Get Counter If exists, then return or create one to return
`Gauge`	`getOrCreateGauge(String metric, MetricLevel metricLevel, String... tags)` Get Gauge If exists, then return or create one to return
`Histogram`	`getOrCreateHistogram(String metric, MetricLevel metricLevel, String... tags)` Get Histogram If exists, then return or create one to return
`Rate`	`getOrCreateRate(String metric, MetricLevel metricLevel, String... tags)` Get Rate If exists, then return or create one to return
`Timer`	`getOrCreateTimer(String metric, MetricLevel metricLevel, String... tags)` Get Timer If exists, then return or create one to return
`void`	`histogram(long value, String metric, MetricLevel metricLevel, String... tags)` update Histogram.
`boolean`	`init()` init something.
`boolean`	`isEnable()` whether is enabled monitor
`boolean`	`isEnable(MetricLevel metricLevel)` whether is enabled monitor in specific level
`void`	`rate(long value, String metric, MetricLevel metricLevel, String... tags)` update Rate.
`void`	`removeCounter(String metric, String... tags)` remove counter
`void`	`removeGauge(String metric, String... tags)` remove gauge
`void`	`removeHistogram(String metric, String... tags)` remove histogram
`void`	`removeRate(String metric, String... tags)` remove rate
`void`	`removeTimer(String metric, String... tags)` update timer
`boolean`	`stop()` stop everything and clear
`void`	`timer(long delta, TimeUnit timeUnit, String metric, MetricLevel metricLevel, String... tags)` update Timer.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 字段详细资料
  - doNothingCounter
```
public static final DoNothingCounter doNothingCounter
```
  - doNothingHistogram
```
public static final DoNothingHistogram doNothingHistogram
```
  - doNothingGauge
```
public static final DoNothingGauge doNothingGauge
```
  - doNothingRate
```
public static final DoNothingRate doNothingRate
```
  - doNothingTimer
```
public static final DoNothingTimer doNothingTimer
```
- 构造器详细资料
  - DoNothingMetricManager
```
public DoNothingMetricManager()
```
- 方法详细资料
  - getOrCreateCounter
```
public Counter getOrCreateCounter(String metric,
                                  MetricLevel metricLevel,
                                  String... tags)
```
    从接口复制的说明: MetricManager
    
    Get Counter If exists, then return or create one to return
    
    指定者:
    
    getOrCreateCounter 在接口中 MetricManager
    
    tags - string appear in pairs, like sg="ln" will be "sg", "ln"
  - getOrCreateAutoGauge
```
public <T> Gauge getOrCreateAutoGauge(String metric,
                                      MetricLevel metricLevel,
                                      T obj,
                                      ToLongFunction<T> mapper,
                                      String... tags)
```
    从接口复制的说明: MetricManager
    
    Get Gauge If exists, then return or create one to return
    This type of gauge will keep a weak reference of the obj, so it will not prevent the obj's gc. NOTICE: When the obj has already been cleared by gc when you call the gauge's value(), then you will get 0L;
    
    指定者:
    
    getOrCreateAutoGauge 在接口中 MetricManager
    
    obj - which will be monitored automatically
    
    mapper - use which to map the obj to a long value
  - getOrCreateGauge
```
public Gauge getOrCreateGauge(String metric,
                              MetricLevel metricLevel,
                              String... tags)
```
    从接口复制的说明: MetricManager
    
    Get Gauge If exists, then return or create one to return
    
    指定者:
    
    getOrCreateGauge 在接口中 MetricManager
    
    tags - string appear in pairs, like sg="ln" will be "sg", "ln"
  - getOrCreateHistogram
```
public Histogram getOrCreateHistogram(String metric,
                                      MetricLevel metricLevel,
                                      String... tags)
```
    从接口复制的说明: MetricManager
    
    Get Histogram If exists, then return or create one to return
    
    指定者:
    
    getOrCreateHistogram 在接口中 MetricManager
    
    tags - string appear in pairs, like sg="ln" will be "sg", "ln"
  - getOrCreateRate
```
public Rate getOrCreateRate(String metric,
                            MetricLevel metricLevel,
                            String... tags)
```
    从接口复制的说明: MetricManager
    
    Get Rate If exists, then return or create one to return
    
    指定者:
    
    getOrCreateRate 在接口中 MetricManager
    
    tags - string appear in pairs, like sg="ln" will be "sg", "ln"
  - getOrCreateTimer
```
public Timer getOrCreateTimer(String metric,
                              MetricLevel metricLevel,
                              String... tags)
```
    从接口复制的说明: MetricManager
    
    Get Timer If exists, then return or create one to return
    
    指定者:
    
    getOrCreateTimer 在接口中 MetricManager
    
    tags - string appear in pairs, like sg="ln" will be "sg", "ln"
  - count
```
public void count(long delta,
                  String metric,
                  MetricLevel metricLevel,
                  String... tags)
```
    从接口复制的说明: MetricManager
    
    update Counter. Create if not exists
    
    指定者:
    
    count 在接口中 MetricManager
  - histogram
```
public void histogram(long value,
                      String metric,
                      MetricLevel metricLevel,
                      String... tags)
```
    从接口复制的说明: MetricManager
    
    update Histogram. Create if not exists
    
    指定者:
    
    histogram 在接口中 MetricManager
  - gauge
```
public void gauge(long value,
                  String metric,
                  MetricLevel metricLevel,
                  String... tags)
```
    从接口复制的说明: MetricManager
    
    set init value of Gauge. Create if not exists
    
    指定者:
    
    gauge 在接口中 MetricManager
  - rate
```
public void rate(long value,
                 String metric,
                 MetricLevel metricLevel,
                 String... tags)
```
    从接口复制的说明: MetricManager
    
    update Rate. Create if not exists
    
    指定者:
    
    rate 在接口中 MetricManager
  - timer
```
public void timer(long delta,
                  TimeUnit timeUnit,
                  String metric,
                  MetricLevel metricLevel,
                  String... tags)
```
    从接口复制的说明: MetricManager
    
    update Timer. Create if not exists
    
    指定者:
    
    timer 在接口中 MetricManager
  - getAllMetricKeys
```
public List<String[]> getAllMetricKeys()
```
    从接口复制的说明: MetricManager
    
    get all metric keys.
    
    指定者:
    
    getAllMetricKeys 在接口中 MetricManager
    
    返回:
    
    all MetricKeys, key is metric name, value is tags, which is a string array.
  - getAllCounters
```
public Map<String[],Counter> getAllCounters()
```
    从接口复制的说明: MetricManager
    
    Get all counters
    
    指定者:
    
    getAllCounters 在接口中 MetricManager
    
    返回:
    
    [name, tags...] -> counter
  - getAllGauges
```
public Map<String[],Gauge> getAllGauges()
```
    从接口复制的说明: MetricManager
    
    Get all gauges
    
    指定者:
    
    getAllGauges 在接口中 MetricManager
    
    返回:
    
    [name, tags...] -> gauge
  - getAllRates
```
public Map<String[],Rate> getAllRates()
```
    从接口复制的说明: MetricManager
    
    Get all rates
    
    指定者:
    
    getAllRates 在接口中 MetricManager
    
    返回:
    
    [name, tags...] -> rate
  - getAllHistograms
```
public Map<String[],Histogram> getAllHistograms()
```
    从接口复制的说明: MetricManager
    
    Get all histogram
    
    指定者:
    
    getAllHistograms 在接口中 MetricManager
    
    返回:
    
    [name, tags...] -> histogram
  - getAllTimers
```
public Map<String[],Timer> getAllTimers()
```
    从接口复制的说明: MetricManager
    
    Get all timers
    
    指定者:
    
    getAllTimers 在接口中 MetricManager
    
    返回:
    
    [name, tags...] -> timer
  - isEnable
```
public boolean isEnable()
```
    从接口复制的说明: MetricManager
    
    whether is enabled monitor
    
    指定者:
    
    isEnable 在接口中 MetricManager
  - isEnable
```
public boolean isEnable(MetricLevel metricLevel)
```
    从接口复制的说明: MetricManager
    
    whether is enabled monitor in specific level
    
    指定者:
    
    isEnable 在接口中 MetricManager
  - init
```
public boolean init()
```
    从接口复制的说明: MetricManager
    
    init something.
    
    指定者:
    
    init 在接口中 MetricManager
    
    返回:
    
    whether success
  - removeCounter
```
public void removeCounter(String metric,
                          String... tags)
```
    从接口复制的说明: MetricManager
    
    remove counter
    
    指定者:
    
    removeCounter 在接口中 MetricManager
  - removeGauge
```
public void removeGauge(String metric,
                        String... tags)
```
    从接口复制的说明: MetricManager
    
    remove gauge
    
    指定者:
    
    removeGauge 在接口中 MetricManager
  - removeRate
```
public void removeRate(String metric,
                       String... tags)
```
    从接口复制的说明: MetricManager
    
    remove rate
    
    指定者:
    
    removeRate 在接口中 MetricManager
  - removeHistogram
```
public void removeHistogram(String metric,
                            String... tags)
```
    从接口复制的说明: MetricManager
    
    remove histogram
    
    指定者:
    
    removeHistogram 在接口中 MetricManager
  - removeTimer
```
public void removeTimer(String metric,
                        String... tags)
```
    从接口复制的说明: MetricManager
    
    update timer
    
    指定者:
    
    removeTimer 在接口中 MetricManager
  - stop
```
public boolean stop()
```
    stop everything and clear
    
    指定者:
    
    stop 在接口中 MetricManager
    
    返回:

类 DoNothingMetricManager

字段概要

构造器概要

方法概要

从类继承的方法 java.lang.Object

字段详细资料

doNothingCounter

doNothingHistogram

doNothingGauge

doNothingRate

doNothingTimer

构造器详细资料

DoNothingMetricManager

方法详细资料

getOrCreateCounter

getOrCreateAutoGauge

getOrCreateGauge

getOrCreateHistogram

getOrCreateRate

getOrCreateTimer

count

histogram

gauge

rate

timer

getAllMetricKeys

getAllCounters

getAllGauges

getAllRates

getAllHistograms

getAllTimers

isEnable

isEnable

init

removeCounter

removeGauge

removeRate

removeHistogram

removeTimer

stop