org.apache.hudi.source

Class ExpressionEvaluators.AlwaysFalse

java.lang.Object

org.apache.hudi.source.ExpressionEvaluators.AlwaysFalse

All Implemented Interfaces:

Serializable, ExpressionEvaluators.Evaluator

Enclosing class:

ExpressionEvaluators

public static class ExpressionEvaluators.AlwaysFalse
extends Object
implements ExpressionEvaluators.Evaluator

A special evaluator which is not possible to match any condition.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
AlwaysFalse()

Method Summary

Modifier and Type	Method and Description
boolean	eval(Map<String,ColumnStats> columnStatsMap) Evaluates whether it's possible to match based on the column stats.
static ExpressionEvaluators.AlwaysFalse	getInstance()

Methods inherited from class java.lang.Object

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

Constructor Detail

AlwaysFalse

public AlwaysFalse()

Method Detail

getInstance

public static ExpressionEvaluators.AlwaysFalse getInstance()

eval

public boolean eval(Map<String,ColumnStats> columnStatsMap)

Description copied from interface: ExpressionEvaluators.Evaluator

Evaluates whether it's possible to match based on the column stats.

Specified by:

eval in interface ExpressionEvaluators.Evaluator

Parameters:

columnStatsMap - column statistics

Returns:

false if there is no any possible to match, true otherwise.