Package org.apache.gravitino.rel.expressions.transforms

Class Transforms.IdentityTransform

java.lang.Object

org.apache.gravitino.rel.expressions.transforms.Transform.SingleFieldTransform

org.apache.gravitino.rel.expressions.transforms.Transforms.IdentityTransform

All Implemented Interfaces:

Expression, Transform

Enclosing class:

Transforms

public static final class Transforms.IdentityTransform
extends Transform.SingleFieldTransform

A transform that returns the input value.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.gravitino.rel.expressions.transforms.Transform

Transform.SingleFieldTransform

Field Summary

Fields inherited from interface org.apache.gravitino.rel.expressions.Expression

EMPTY_EXPRESSION, EMPTY_NAMED_REFERENCE

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
int	hashCode()
String	name()

Methods inherited from class org.apache.gravitino.rel.expressions.transforms.Transform.SingleFieldTransform

arguments, fieldName, references

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.gravitino.rel.expressions.transforms.Transform

assignments, children

Method Details

name

public String name()

Returns:

The name of the transform.

equals

public boolean equals(Object o)

Overrides:

equals in class Transform.SingleFieldTransform

hashCode

public int hashCode()

Overrides:

hashCode in class Transform.SingleFieldTransform