org.apache.paimon.casting

Class CastRulePredicate

java.lang.Object

org.apache.paimon.casting.CastRulePredicate

public class CastRulePredicate
extends Object

In order to apply a CastRule, the runtime checks if a particular rule matches the tuple of input and target type using this class. In particular, a rule is applied if:

1. getTargetTypeRoots() includes the DataTypeRoot of target type and either
   1. getInputTypeRoots() includes the DataTypeRoot of input type or
   2. getInputTypeFamilies() includes one of the DataTypeFamily of input type
2. Or getTargetTypeFamilies() includes one of the DataTypeFamily of target type and either
   1. getInputTypeRoots() includes the DataTypeRoot of input type or
   2. getInputTypeFamilies() includes one of the DataTypeFamily of input type

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	CastRulePredicate.Builder Builder for the CastRulePredicate.

Method Summary

Modifier and Type	Method and Description
static CastRulePredicate.Builder	builder()
Set<DataTypeFamily>	getInputTypeFamilies()
Set<DataTypeRoot>	getInputTypeRoots()
Set<DataTypeFamily>	getTargetTypeFamilies()
Set<DataTypeRoot>	getTargetTypeRoots()
Set<DataType>	getTargetTypes()

Methods inherited from class java.lang.Object

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

Method Detail

getTargetTypes

public Set<DataType> getTargetTypes()

getInputTypeRoots

public Set<DataTypeRoot> getInputTypeRoots()

getTargetTypeRoots

public Set<DataTypeRoot> getTargetTypeRoots()

getInputTypeFamilies

public Set<DataTypeFamily> getInputTypeFamilies()

getTargetTypeFamilies

public Set<DataTypeFamily> getTargetTypeFamilies()

builder

public static CastRulePredicate.Builder builder()