org.apache.flink.table.types.inference.transforms

Class DataTypeConversionClassTransformation

java.lang.Object

org.apache.flink.table.types.inference.transforms.DataTypeConversionClassTransformation

All Implemented Interfaces:

TypeTransformation

@Internal
public class DataTypeConversionClassTransformation
extends Object
implements TypeTransformation

This type transformation transforms the specified data types to a new one with the expected conversion class. The mapping from data type to conversion class is defined by the constructor parameter conversions map that maps from type root to the expected conversion class.

Constructor Summary

Constructors

Constructor and Description
DataTypeConversionClassTransformation(Map<LogicalTypeRoot,Class<?>> conversions)

Method Summary

Modifier and Type	Method and Description
DataType	transform(DataType dataType) Transforms the given data type to a different data type.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.table.types.inference.TypeTransformation

transform

Constructor Detail

DataTypeConversionClassTransformation

public DataTypeConversionClassTransformation(Map<LogicalTypeRoot,Class<?>> conversions)

Method Detail

transform

public DataType transform(DataType dataType)

Description copied from interface: TypeTransformation

Transforms the given data type to a different data type.

Specified by:

transform in interface TypeTransformation