org.apache.flink.api.java.summarize.aggregation

类 FloatSummaryAggregator

java.lang.Object

org.apache.flink.api.java.summarize.aggregation.NumericSummaryAggregator<Float>

org.apache.flink.api.java.summarize.aggregation.FloatSummaryAggregator

所有已实现的接口:

Serializable, Aggregator<Float,NumericColumnSummary<Float>>

@Internal
public class FloatSummaryAggregator
extends NumericSummaryAggregator<Float>

Aggregator that can handle Float types.

另请参阅:

序列化表格

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	FloatSummaryAggregator.MaxFloatAggregator Aggregator for max operation.
static class	FloatSummaryAggregator.MinFloatAggregator Aggregator for min operation.
static class	FloatSummaryAggregator.SumFloatAggregator Aggregator for sum operation.

构造器概要

构造器

构造器和说明
FloatSummaryAggregator()

方法概要

限定符和类型	方法和说明
protected Aggregator<Float,Float>	initMax()
protected Aggregator<Float,Float>	initMin()
protected Aggregator<Float,Float>	initSum()
protected boolean	isInfinite(Float number)
protected boolean	isNan(Float number)

从类继承的方法 org.apache.flink.api.java.summarize.aggregation.NumericSummaryAggregator

aggregate, combine, result

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

FloatSummaryAggregator

public FloatSummaryAggregator()

方法详细资料

initMin

protected Aggregator<Float,Float> initMin()

指定者:

initMin 在类中 NumericSummaryAggregator<Float>

initMax

protected Aggregator<Float,Float> initMax()

指定者:

initMax 在类中 NumericSummaryAggregator<Float>

initSum

protected Aggregator<Float,Float> initSum()

指定者:

initSum 在类中 NumericSummaryAggregator<Float>

isNan

protected boolean isNan(Float number)

指定者:

isNan 在类中 NumericSummaryAggregator<Float>

isInfinite

protected boolean isInfinite(Float number)

指定者:

isInfinite 在类中 NumericSummaryAggregator<Float>