com.datastrato.gravitino.rel.expressions.transforms

Class Transforms.BucketTransform

java.lang.Object

com.datastrato.gravitino.rel.expressions.transforms.Transforms.BucketTransform

All Implemented Interfaces:

Expression, Transform

Enclosing class:

Transforms

public static final class Transforms.BucketTransform
extends java.lang.Object
implements Transform

A transform that returns the bucket of the input value.

Nested Class Summary

Nested classes/interfaces inherited from interface com.datastrato.gravitino.rel.expressions.transforms.Transform

Transform.SingleFieldTransform

Field Summary

Fields inherited from interface com.datastrato.gravitino.rel.expressions.Expression

EMPTY_EXPRESSION, EMPTY_NAMED_REFERENCE

Method Summary

Modifier and Type	Method and Description
Expression[]	arguments()
boolean	equals(java.lang.Object o)
java.lang.String[][]	fieldNames()
int	hashCode()
java.lang.String	name()
int	numBuckets()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.datastrato.gravitino.rel.expressions.transforms.Transform

assignments, children

Methods inherited from interface com.datastrato.gravitino.rel.expressions.Expression

references

Method Detail

numBuckets

public int numBuckets()

Returns:

The number of buckets to use.

fieldNames

public java.lang.String[][] fieldNames()

Returns:

The field names to transform.

name

public java.lang.String name()

Specified by:

name in interface Transform

Returns:

The name of the transform.

arguments

public Expression[] arguments()

Specified by:

arguments in interface Transform

Returns:

The arguments to the transform.

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object