com.sap.cds.ql.cqn

Interface CqnElementRef

All Superinterfaces:

CqnReference, CqnSelectListItem, CqnSelectListValue, CqnToken, CqnValue, JSONizable

All Known Subinterfaces:

ElementRef<T>

public interface CqnElementRef
extends CqnReference, CqnValue, CqnSelectListValue

Nested Class Summary

Nested classes/interfaces inherited from interface com.sap.cds.ql.cqn.CqnReference

CqnReference.Segment

Field Summary

Fields

Modifier and Type	Field and Description
static String	$KEY

Method Summary

Modifier and Type	Method and Description
default void	accept(CqnVisitor visitor)
default CqnElementRef	asRef() Casts this value to CqnElementRef.
default boolean	isRef() Returns true if this is a CqnElementRef.
default boolean	isValue()
default CqnValue	value()

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

firstSegment, lastSegment, rootSegment, segments, targetSegment

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

as, asExpression, asFunction, asLiteral, asNullValue, asParameter, asPlain, isExpression, isFunction, isLiteral, isNullValue, isParameter, isPlain, type

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

alias, asValue, displayName

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

asSelectList, isSelectList, isStar, token, unfold

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

tokens

Methods inherited from interface com.sap.cds.JSONizable

toJson

Field Detail

$KEY

static final String $KEY

See Also:

Constant Field Values

Method Detail

isRef

default boolean isRef()

Description copied from interface: CqnValue

Returns true if this is a CqnElementRef.

Specified by:

isRef in interface CqnValue

Returns:

true if this is an element ref, otherwise false

asRef

default CqnElementRef asRef()

Description copied from interface: CqnValue

Casts this value to CqnElementRef.

Specified by:

asRef in interface CqnValue

Returns:

this value as an element ref

isValue

default boolean isValue()

Specified by:

isValue in interface CqnSelectListItem

Specified by:

isValue in interface CqnSelectListValue

value

default CqnValue value()

Specified by:

value in interface CqnSelectListValue

accept

default void accept(CqnVisitor visitor)

Specified by:

accept in interface CqnSelectListValue

Specified by:

accept in interface CqnToken