org.apache.flink.runtime.checkpoint

类 StatsSummarySnapshot

java.lang.Object

org.apache.flink.runtime.checkpoint.StatsSummarySnapshot

所有已实现的接口:

Serializable

@Internal
public class StatsSummarySnapshot
extends Object
implements Serializable

Immutable snapshot of StatsSummary.

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
StatsSummarySnapshot(long min, long max, long sum, long count, org.apache.flink.metrics.HistogramStatistics histogram)

方法概要

限定符和类型	方法和说明
static StatsSummarySnapshot	empty()
long	getAverage() Calculates the average over all seen values.
long	getCount() Returns the count of all seen values.
long	getMaximum() Returns the maximum seen value.
long	getMinimum() Returns the minimum seen value.
double	getQuantile(double quantile) Returns the value for the given quantile based on the represented histogram statistics or Double.NaN if the histogram was not built.
long	getSum() Returns the sum of all seen values.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

StatsSummarySnapshot

public StatsSummarySnapshot(long min,
                            long max,
                            long sum,
                            long count,
                            @Nullable
                            org.apache.flink.metrics.HistogramStatistics histogram)

方法详细资料

empty

public static StatsSummarySnapshot empty()

getMinimum

public long getMinimum()

Returns the minimum seen value.

返回:

The current minimum value.

getMaximum

public long getMaximum()

Returns the maximum seen value.

返回:

The current maximum value.

getSum

public long getSum()

Returns the sum of all seen values.

返回:

Sum of all values.

getCount

public long getCount()

Returns the count of all seen values.

返回:

Count of all values.

getAverage

public long getAverage()

Calculates the average over all seen values.

返回:

Average over all seen values.

getQuantile

public double getQuantile(double quantile)

Returns the value for the given quantile based on the represented histogram statistics or Double.NaN if the histogram was not built.

参数:

quantile - Quantile to calculate the value for

返回:

Value for the given quantile