Package com.sap.cds.ql.cqn

Interface CqnEtagPredicate

All Superinterfaces:

CqnExpression, CqnInPredicate, CqnPredicate, CqnToken, CqnValue, JSONizable

@Beta
public interface CqnEtagPredicate
extends CqnInPredicate

Predicate that tests whether eTag element of an entity matches any value

Field Summary

Fields

Modifier and Type	Field	Description
static final String	$ETAG

Method Summary

Modifier and Type	Method	Description
default void	accept(CqnVisitor visitor)	Traverses the expression tree represented by this token with a given visitor.

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

asArithmeticExpression, asExpression, asNegation, isArithmeticExpression, isExpression, isNegation, toJson

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

value, values, valueSet

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

asPredicate, isPredicate

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

tokens

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

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

Field Details

$ETAG

static final String $ETAG

See Also:

• Constant Field Values

Method Details

accept

default void accept(CqnVisitor visitor)

Description copied from interface: CqnToken

Traverses the expression tree represented by this token with a given visitor. The traversal order is depth-first. If this token has child nodes they are traversed first by dispatching the visitor to the children's accept methods. Afterwards this token is passed to the visitor's visit method specific for this token's type.

Specified by:

accept in interface CqnExpression

Specified by:

accept in interface CqnInPredicate

Specified by:

accept in interface CqnToken

Parameters:

visitor - the CqnVisitor