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

类 ValueSummaryAggregator.LongValueSummaryAggregator

java.lang.Object

org.apache.flink.api.java.summarize.aggregation.ValueSummaryAggregator<org.apache.flink.types.LongValue,Long,NumericColumnSummary<Long>,LongSummaryAggregator>

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

所有已实现的接口:

Serializable, Aggregator<org.apache.flink.types.LongValue,NumericColumnSummary<Long>>

封闭类:

ValueSummaryAggregator<VT extends org.apache.flink.types.Value,PT,R,A extends Aggregator<PT,R>>

public static class ValueSummaryAggregator.LongValueSummaryAggregator
extends ValueSummaryAggregator<org.apache.flink.types.LongValue,Long,NumericColumnSummary<Long>,LongSummaryAggregator>

A ValueSummaryAggregator for Long.

另请参阅:

序列化表格

嵌套类概要

从类继承的嵌套类/接口 org.apache.flink.api.java.summarize.aggregation.ValueSummaryAggregator

ValueSummaryAggregator.BooleanValueSummaryAggregator, ValueSummaryAggregator.DoubleValueSummaryAggregator, ValueSummaryAggregator.FloatValueSummaryAggregator, ValueSummaryAggregator.IntegerValueSummaryAggregator, ValueSummaryAggregator.LongValueSummaryAggregator, ValueSummaryAggregator.ShortValueSummaryAggregator, ValueSummaryAggregator.StringValueSummaryAggregator

构造器概要

构造器

构造器和说明
LongValueSummaryAggregator()

方法概要

限定符和类型	方法和说明
protected Long	getValue(org.apache.flink.types.LongValue value) Get the value out of a value type.
protected LongSummaryAggregator	initPrimitiveAggregator() Initialize an aggregator that can be used for the underlying primitive in the Value type.

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

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

LongValueSummaryAggregator

public LongValueSummaryAggregator()

方法详细资料

initPrimitiveAggregator

protected LongSummaryAggregator initPrimitiveAggregator()

从类复制的说明: ValueSummaryAggregator

Initialize an aggregator that can be used for the underlying primitive in the Value type.

E.g. DoubleValues can easily be converted to Double and could use an underlying Aggregator<Double,?>

指定者:

initPrimitiveAggregator 在类中 ValueSummaryAggregator<org.apache.flink.types.LongValue,Long,NumericColumnSummary<Long>,LongSummaryAggregator>

getValue

protected Long getValue(org.apache.flink.types.LongValue value)

从类复制的说明: ValueSummaryAggregator

Get the value out of a value type.

指定者:

getValue 在类中 ValueSummaryAggregator<org.apache.flink.types.LongValue,Long,NumericColumnSummary<Long>,LongSummaryAggregator>