Package com.sap.cds.impl.builder.model

Class CqnNull

java.lang.Object

com.sap.cds.impl.builder.model.AbstractValue<Object>

com.sap.cds.impl.parser.token.CqnPlainImpl

com.sap.cds.impl.builder.model.CqnNull

All Implemented Interfaces:

ValueDefaults<Object>, JSONizable, CqnNullValue, CqnPlain, CqnToken, CqnValue, NullValue, Orderable, Value<Object>

public class CqnNull
extends CqnPlainImpl
implements NullValue

Field Summary

Fields

Modifier and Type	Field	Description
static final NullValue	NULL

Fields inherited from class com.sap.cds.impl.parser.token.CqnPlainImpl

AND, COMMA, LPAREN, MINUS, NOT, OR, RPAREN, STAR

Fields inherited from class com.sap.cds.impl.builder.model.AbstractValue

cdsType

Method Summary

Modifier and Type	Method	Description
void	accept(CqnVisitor visitor)
static NullValue	getInstance()
Predicate	is(Value<Object> t)
Predicate	is(Object t)
static boolean	isNull(Object t)
CqnNull	type(String cdsType)

Methods inherited from class com.sap.cds.impl.parser.token.CqnPlainImpl

json, plain, plain, toJson

Methods inherited from class com.sap.cds.impl.builder.model.AbstractValue

toString, type

Methods inherited from class java.lang.Object

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

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

asNullValue, isNullValue

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

asPlain, isPlain

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

tokens

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

as, asExpression, asFunction, asList, asLiteral, asParameter, asRef, isExpression, isFunction, isList, isLiteral, isParameter, isRef, ofRef, type

Methods inherited from interface com.sap.cds.JSONizable

toJson

Methods inherited from interface com.sap.cds.impl.builder.model.ValueDefaults

as, asc, ascNullsLast, average, between, between, between, between, contains, contains, contains, countDistinct, desc, descNullsFirst, dividedBy, dividedBy, endsWith, endsWith, eq, eq, func, ge, ge, gt, gt, in, in, in, in, isNot, isNot, isNotNull, isNull, le, le, lt, lt, max, min, minus, minus, ne, ne, plain, plus, plus, startsWith, startsWith, substring, substring, substring, substring, sum, times, times, toLower, toUpper, type, type, withoutAlias

Field Details

NULL

public static final NullValue NULL

Method Details

getInstance

public static NullValue getInstance()

is

public Predicate is(Object t)

Specified by:

is in interface Value<Object>

Specified by:

is in interface ValueDefaults<Object>

is

public Predicate is(Value<Object> t)

Specified by:

is in interface Value<Object>

Specified by:

is in interface ValueDefaults<Object>

accept

public void accept(CqnVisitor visitor)

Specified by:

accept in interface CqnNullValue

Specified by:

accept in interface CqnPlain

Specified by:

accept in interface CqnToken

type

public CqnNull type(String cdsType)

Specified by:

type in interface Value<Object>

Specified by:

type in interface ValueDefaults<Object>

Overrides:

type in class CqnPlainImpl

isNull

public static boolean isNull(Object t)