接口的使用
com.alibaba.metrics.Metric

com.alibaba.metrics中Metric的使用

com.alibaba.metrics中Metric的子接口

限定符和类型	接口和说明
interface	BucketCounter 提供分桶计数功能，每个桶统计一定时间间隔内的计数。
interface	Compass A Compass Metric that wraps: a Timer to measure the qps and rt distribution a Counter to measure the success count a RatioGauge to measure the success rate a Map of Counter> to record the count for each error code a Map of Counter> to record the count for each addon
interface	Counter An incrementing and decrementing counter metric.
interface	DynamicMetricSet A dynamic metric set.
interface	FastCompass 用于在高吞吐率环境下，快速统计方法的qps，rt，成功率和错误码。
interface	Gauge<T> A gauge metric is an instantaneous reading of a particular value.
interface	Histogram A metric which calculates the distribution of a value.
interface	Meter A meter metric which measures mean throughput and one-, five-, and fifteen-minute exponentially-weighted moving average throughput.
interface	Metered An object which maintains mean and exponentially-weighted rate.
interface	MetricSet A set of named metrics.
interface	Timer A timer metric which aggregates timing durations and provides duration statistics, plus throughput statistics via Meter.

实现Metric的com.alibaba.metrics中的类

限定符和类型	类和说明
class	CachedGauge<T> A Gauge implementation which caches its value for a period of time.
class	CachedMetricSet
class	ClusterHistogram A metric to calculate cluster histogram, since the the percentile can not be aggregated.
class	DerivativeGauge<F,T> A gauge whose value is derived from the value of another gauge.
class	JmxAttributeGauge A Gauge implementation which queries an MBeanServerConnection for an attribute of an object.
class	MetricRegistry A registry of metric instances.
class	PersistentGauge<T> A subclass of Gauge which should be persistent.
class	RatioGauge A gauge which measures the ratio of one value to another.

类型参数类型为Metric的com.alibaba.metrics中的方法

限定符和类型	方法和说明
abstract <T extends Metric> T	MetricRegistry.register(MetricName name, T metric) Given a Metric, registers it under the given name.
abstract <T extends Metric> T	MetricRegistry.register(String name, T metric) Given a Metric, registers it under the given name.

返回变量类型为Metric的类型的com.alibaba.metrics中的方法

限定符和类型	方法和说明
Map<Class<? extends Metric>,Map<MetricName,? extends Metric>>	NOPMetricManager.getAllCategoryMetrics(MetricFilter filter)
Map<Class<? extends Metric>,Map<MetricName,? extends Metric>>	NOPMetricManager.getAllCategoryMetrics(MetricFilter filter)
Map<Class<? extends Metric>,Map<MetricName,? extends Metric>>	IMetricManager.getAllCategoryMetrics(MetricFilter filter) return all metrics
Map<Class<? extends Metric>,Map<MetricName,? extends Metric>>	IMetricManager.getAllCategoryMetrics(MetricFilter filter) return all metrics
Map<Class<? extends Metric>,Map<MetricName,? extends Metric>>	NOPMetricManager.getCategoryMetrics(String group)
Map<Class<? extends Metric>,Map<MetricName,? extends Metric>>	NOPMetricManager.getCategoryMetrics(String group)
Map<Class<? extends Metric>,Map<MetricName,? extends Metric>>	IMetricManager.getCategoryMetrics(String group) 返回不同Metric分类，各自保存好的map
Map<Class<? extends Metric>,Map<MetricName,? extends Metric>>	IMetricManager.getCategoryMetrics(String group) 返回不同Metric分类，各自保存好的map
Map<Class<? extends Metric>,Map<MetricName,? extends Metric>>	NOPMetricManager.getCategoryMetrics(String group, MetricFilter filter)
Map<Class<? extends Metric>,Map<MetricName,? extends Metric>>	NOPMetricManager.getCategoryMetrics(String group, MetricFilter filter)
Map<Class<? extends Metric>,Map<MetricName,? extends Metric>>	IMetricManager.getCategoryMetrics(String group, MetricFilter filter) 返回不同Metric分类，各自保存好的map
Map<Class<? extends Metric>,Map<MetricName,? extends Metric>>	IMetricManager.getCategoryMetrics(String group, MetricFilter filter) 返回不同Metric分类，各自保存好的map
Map<MetricName,Metric>	DynamicMetricSet.getDynamicMetrics() A map of metric names to metrics.
Map<MetricName,Metric>	MetricSet.getMetrics() A map of metric names to metrics.
abstract SortedMap<MetricName,Metric>	MetricRegistry.getMetrics(MetricFilter filter) Returns a map of all the metrics in the registry and their names which match the given filter
Map<MetricName,Metric>	NOPMetricManager.getMetrics(String group)
Map<MetricName,Metric>	IMetricManager.getMetrics(String group) A map of metric names to metrics.

参数类型为Metric的com.alibaba.metrics中的方法

限定符和类型	方法和说明
boolean	MetricFilter.matches(MetricName name, Metric metric) Returns true if the metric matches the filter; false otherwise.
void	NOPMetricManager.register(String group, MetricName name, Metric metric)
void	IMetricManager.register(String group, MetricName name, Metric metric) Register a customized metric to specified group.
static void	MetricManager.register(String group, MetricName name, Metric metric) Register a customized metric to specified group.