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

Class ValueSummaryAggregator.DoubleValueSummaryAggregator

java.lang.Object

org.apache.flink.api.java.summarize.aggregation.ValueSummaryAggregator<DoubleValue,Double,NumericColumnSummary<Double>,DoubleSummaryAggregator>

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

All Implemented Interfaces:

Serializable, Aggregator<DoubleValue,NumericColumnSummary<Double>>

Enclosing class:

ValueSummaryAggregator<VT extends Value,PT,R,A extends Aggregator<PT,R>>

public static class ValueSummaryAggregator.DoubleValueSummaryAggregator
extends ValueSummaryAggregator<DoubleValue,Double,NumericColumnSummary<Double>,DoubleSummaryAggregator>

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.api.java.summarize.aggregation.ValueSummaryAggregator

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

Constructor Summary

Constructors

Constructor and Description
ValueSummaryAggregator.DoubleValueSummaryAggregator()

Method Summary

Methods

Modifier and Type	Method and Description
protected Double	getValue(DoubleValue value) Get the value out of a value type.
protected DoubleSummaryAggregator	initPrimitiveAggregator() Initialize an aggregator that can be used for the underlying primitive in the Value type.

Methods inherited from class org.apache.flink.api.java.summarize.aggregation.ValueSummaryAggregator

aggregate, combine, result

Methods inherited from class java.lang.Object

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

Constructor Detail

ValueSummaryAggregator.DoubleValueSummaryAggregator

public ValueSummaryAggregator.DoubleValueSummaryAggregator()

Method Detail

initPrimitiveAggregator

protected DoubleSummaryAggregator initPrimitiveAggregator()

Description copied from class: 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

Specified by:

initPrimitiveAggregator in class ValueSummaryAggregator<DoubleValue,Double,NumericColumnSummary<Double>,DoubleSummaryAggregator>

getValue

protected Double getValue(DoubleValue value)

Description copied from class: ValueSummaryAggregator

Get the value out of a value type.

Specified by:

getValue in class ValueSummaryAggregator<DoubleValue,Double,NumericColumnSummary<Double>,DoubleSummaryAggregator>