com.datastrato.gravitino.dto.rel

Class SortOrderDTO

java.lang.Object

com.datastrato.gravitino.dto.rel.SortOrderDTO

All Implemented Interfaces:

Expression, SortOrder

public class SortOrderDTO
extends java.lang.Object
implements SortOrder

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SortOrderDTO.Builder

Field Summary

Fields

Modifier and Type	Field and Description
static SortOrderDTO[]	EMPTY_SORT

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

EMPTY_EXPRESSION, EMPTY_NAMED_REFERENCE

Method Summary

Modifier and Type	Method and Description
SortDirection	direction()
Expression	expression()
NullOrdering	nullOrdering()
FunctionArg	sortTerm()
void	validate(ColumnDTO[] columns)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.datastrato.gravitino.rel.expressions.sorts.SortOrder

children

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

references

Field Detail

EMPTY_SORT

public static final SortOrderDTO[] EMPTY_SORT

Method Detail

sortTerm

public FunctionArg sortTerm()

expression

public Expression expression()

Specified by:

expression in interface SortOrder

Returns:

The sort expression.

direction

public SortDirection direction()

Specified by:

direction in interface SortOrder

Returns:

The sort direction.

nullOrdering

public NullOrdering nullOrdering()

Specified by:

nullOrdering in interface SortOrder

Returns:

The null ordering.

validate

public void validate(ColumnDTO[] columns)
              throws java.lang.IllegalArgumentException

Throws:

java.lang.IllegalArgumentException