Package com.sap.cds.ql.cqn

Interface CqnReference

All Superinterfaces:

CqnToken, JSONizable

All Known Subinterfaces:

CqnElementRef, CqnStructuredTypeRef, ElementRef<T>, StructuredTypeRef

public interface CqnReference
extends CqnToken

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	CqnReference.Segment

Method Summary

Modifier and Type	Method	Description
Optional<String>	alias()
default String	firstSegment()
default String	lastSegment()
default String	path()
default CqnReference.Segment	rootSegment()	Returns the first segment of this ref.
List<CqnReference.Segment>	segments()	Returns the segments of this ref.
default int	size()
default Stream<CqnReference.Segment>	stream()
default CqnReference.Segment	targetSegment()	Returns the last segment of this ref.

Methods inherited from interface com.sap.cds.ql.cqn.CqnToken

accept, tokens

Methods inherited from interface com.sap.cds.JSONizable

toJson

Method Details

segments

List<CqnReference.Segment> segments()

Returns the segments of this ref.

Returns:

the ref segments

stream

default Stream<CqnReference.Segment> stream()

path

default String path()

size

default int size()

alias

Optional<String> alias()

rootSegment

default CqnReference.Segment rootSegment()

Returns the first segment of this ref.

Returns:

the first segment

targetSegment

default CqnReference.Segment targetSegment()

Returns the last segment of this ref.

Returns:

the last segment

firstSegment

default String firstSegment()

lastSegment

default String lastSegment()