com.sap.cds.ql.cqn

Interface CqnExpression

All Superinterfaces:

CqnToken, CqnValue, JSONizable

All Known Subinterfaces:

BooleanFunction, CqnComparisonPredicate, CqnConnectivePredicate, CqnContainmentTest, CqnInPredicate, CqnNegation, CqnPredicate, CqnSearchPredicate, CqnXpr, Predicate

public interface CqnExpression
extends CqnValue

Method Summary

Modifier and Type	Method and Description
default void	accept(CqnVisitor visitor)
default CqnExpression	asExpression() Casts this value to CqnExpression.
default boolean	isExpression() Returns true if this is a CqnExpression.
default String	toJson()

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

as, asFunction, asLiteral, asNullValue, asParameter, asPlain, asRef, isFunction, isLiteral, isNullValue, isParameter, isPlain, isRef, type

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

tokens

Method Detail

isExpression

default boolean isExpression()

Description copied from interface: CqnValue

Returns true if this is a CqnExpression.

Specified by:

isExpression in interface CqnValue

Returns:

true if this is an expression, otherwise false

asExpression

default CqnExpression asExpression()

Description copied from interface: CqnValue

Casts this value to CqnExpression.

Specified by:

asExpression in interface CqnValue

Returns:

this value as an expression

toJson

default String toJson()

Specified by:

toJson in interface JSONizable

accept

default void accept(CqnVisitor visitor)

Specified by:

accept in interface CqnToken