org.apache.paimon.casting

Interface CastRule<IN,OUT>

Type Parameters:

IN - Input internal type

OUT - Output internal type

All Known Implementing Classes:

BinaryToStringCastRule, NumericPrimitiveToTimestamp, TimestampToNumericPrimitiveCastRule

public interface CastRule<IN,OUT>

A CastRule provides the logic to create a CastExecutor starting from the input and the target types. A rule is matched using CastRulePredicate.

Method Summary

Modifier and Type	Method and Description
CastExecutor<IN,OUT>	create(DataType inputType, DataType targetType) Create a CastExecutor starting from the provided input type.
CastRulePredicate	getPredicateDefinition()

Method Detail

getPredicateDefinition

CastRulePredicate getPredicateDefinition()

See Also:

for more details about a cast rule predicate definition.

create

CastExecutor<IN,OUT> create(DataType inputType,
                            DataType targetType)

Create a CastExecutor starting from the provided input type. The returned CastExecutor assumes the input value is using the internal data type, and it's a valid value for the provided targetType.