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

Class ValueSummaryAggregator.BooleanValueSummaryAggregator

java.lang.Object

org.apache.flink.api.java.summarize.aggregation.ValueSummaryAggregator<org.apache.flink.types.BooleanValue,Boolean,BooleanColumnSummary,BooleanSummaryAggregator>

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

All Implemented Interfaces:

Serializable, Aggregator<org.apache.flink.types.BooleanValue,BooleanColumnSummary>

Enclosing class:

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

public static class ValueSummaryAggregator.BooleanValueSummaryAggregator
extends ValueSummaryAggregator<org.apache.flink.types.BooleanValue,Boolean,BooleanColumnSummary,BooleanSummaryAggregator>

A ValueSummaryAggregator for Boolean.

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
BooleanValueSummaryAggregator()

Method Summary

Modifier and Type	Method and Description
protected Boolean	getValue(org.apache.flink.types.BooleanValue value) Get the value out of a value type.
protected BooleanSummaryAggregator	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

BooleanValueSummaryAggregator

public BooleanValueSummaryAggregator()

Method Detail

initPrimitiveAggregator

protected BooleanSummaryAggregator 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<Double,?>

Specified by:

initPrimitiveAggregator in class ValueSummaryAggregator<org.apache.flink.types.BooleanValue,Boolean,BooleanColumnSummary,BooleanSummaryAggregator>

getValue

protected Boolean getValue(org.apache.flink.types.BooleanValue value)

Description copied from class: ValueSummaryAggregator

Get the value out of a value type.

Specified by:

getValue in class ValueSummaryAggregator<org.apache.flink.types.BooleanValue,Boolean,BooleanColumnSummary,BooleanSummaryAggregator>