org.apache.flink.table.data.conversion

Class IdentityConverter<I>

java.lang.Object

org.apache.flink.table.data.conversion.IdentityConverter<I>

All Implemented Interfaces:

Serializable, DataStructureConverter<I,I>

@Internal
public class IdentityConverter<I>
extends Object
implements DataStructureConverter<I,I>

No-op converter that just forwards its input.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
IdentityConverter()

Method Summary

Modifier and Type	Method and Description
boolean	isIdentityConversion() Returns whether this conversion is a no-op.
I	toExternal(I internal) Converts to external data structure.
I	toInternal(I external) Converts to internal data structure.

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.data.conversion.DataStructureConverter

open, toExternalOrNull, toInternalOrNull

Constructor Detail

IdentityConverter

public IdentityConverter()

Method Detail

toInternal

public I toInternal(I external)

Description copied from interface: DataStructureConverter

Converts to internal data structure.

Note: Parameter must not be null. Output must not be null.

Specified by:

toInternal in interface DataStructureConverter<I,I>

toExternal

public I toExternal(I internal)

Description copied from interface: DataStructureConverter

Converts to external data structure.

Note: Parameter must not be null. Output must not be null.

Specified by:

toExternal in interface DataStructureConverter<I,I>

isIdentityConversion

public boolean isIdentityConversion()

Description copied from interface: DataStructureConverter

Returns whether this conversion is a no-op.

An identity conversion means that the type is already an internal data structure.

Specified by:

isIdentityConversion in interface DataStructureConverter<I,I>