Package tech.ydb.yoj.databind.expression

Class NullExpr<T>

java.lang.Object

tech.ydb.yoj.databind.expression.LeafExpression<T>

tech.ydb.yoj.databind.expression.NullExpr<T>

All Implemented Interfaces:

FilterExpression<T>

public class NullExpr<T>
extends LeafExpression<T>

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	NullExpr.Operator

Nested classes/interfaces inherited from interface tech.ydb.yoj.databind.expression.FilterExpression

FilterExpression.Type, FilterExpression.Visitor<T,V>

Constructor Summary

Constructors

Constructor	Description
NullExpr(@NonNull Schema<T> schema, boolean generated, @NonNull ModelField field, @NonNull NullExpr.Operator operator)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
<U> NullExpr<U>	forSchema(@NonNull Schema<U> dstSchema, @NonNull UnaryOperator<String> pathTransformer)
FilterExpression.Type	getType()
int	hashCode()
boolean	isActualValueNull(T obj)
FilterExpression<T>	negate()
String	toString()
<V> V	visit(@NonNull FilterExpression.Visitor<T,V> visitor)

Methods inherited from class tech.ydb.yoj.databind.expression.LeafExpression

and, getChildren, getField, getFieldName, getFieldPath, getFieldType, isGenerated, or

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface tech.ydb.yoj.databind.expression.FilterExpression

getSchema, stream

Constructor Details

NullExpr

public NullExpr(@NonNull
 @NonNull Schema<T> schema,
 boolean generated,
 @NonNull
 @NonNull ModelField field,
 @NonNull
 @NonNull NullExpr.Operator operator)

Method Details

getType

public FilterExpression.Type getType()

isActualValueNull

public boolean isActualValueNull(@NonNull
 T obj)

visit

public <V> V visit(@NonNull
 @NonNull FilterExpression.Visitor<T,V> visitor)

negate

public FilterExpression<T> negate()

forSchema

public <U> NullExpr<U> forSchema(@NonNull
 @NonNull Schema<U> dstSchema,
 @NonNull
 @NonNull UnaryOperator<String> pathTransformer)

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object