Package jakarta.persistence.criteria
Interface Expression<T>
- Type Parameters:
T
- the type of the expression
- All Superinterfaces:
Selection<T>
,TupleElement<T>
- All Known Subinterfaces:
CollectionJoin<Z,
,E> CriteriaBuilder.Case<R>
,CriteriaBuilder.Coalesce<T>
,CriteriaBuilder.In<T>
,CriteriaBuilder.SimpleCase<C,
,R> From<Z,
,X> Join<Z,
,X> ListJoin<Z,
,E> MapJoin<Z,
,K, V> ParameterExpression<T>
,Path<X>
,PluralJoin<Z,
,C, E> Predicate
,Root<X>
,SetJoin<Z,
,E> Subquery<T>
Type for query expressions.
- Since:
- 2.0
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Method Summary
Modifier and TypeMethodDescription<X> Expression<X>
Perform a typecast upon the expression, returning a new expression object.in
(Expression<?>... values) Create a predicate to test whether the expression is a member of the argument list.in
(Expression<Collection<?>> values) Create a predicate to test whether the expression is a member of the collection.Create a predicate to test whether the expression is a member of the argument list.in
(Collection<?> values) Create a predicate to test whether the expression is a member of the collection.Create a predicate to test whether the expression is not null.isNull()
Create a predicate to test whether the expression is null.Methods inherited from interface jakarta.persistence.criteria.Selection
alias, getCompoundSelectionItems, isCompoundSelection
Methods inherited from interface jakarta.persistence.TupleElement
getAlias, getJavaType
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Method Details
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isNull
Predicate isNull()Create a predicate to test whether the expression is null.- Returns:
- predicate testing whether the expression is null
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isNotNull
Predicate isNotNull()Create a predicate to test whether the expression is not null.- Returns:
- predicate testing whether the expression is not null
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in
Create a predicate to test whether the expression is a member of the argument list.- Parameters:
values
- values to be tested against- Returns:
- predicate testing for membership
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in
Create a predicate to test whether the expression is a member of the argument list.- Parameters:
values
- expressions to be tested against- Returns:
- predicate testing for membership
-
in
Create a predicate to test whether the expression is a member of the collection.- Parameters:
values
- collection of values to be tested against- Returns:
- predicate testing for membership
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in
Create a predicate to test whether the expression is a member of the collection.- Parameters:
values
- expression corresponding to collection to be tested against- Returns:
- predicate testing for membership
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as
Perform a typecast upon the expression, returning a new expression object. This method does not cause type conversion: the runtime type is not changed. Warning: may result in a runtime failure.- Parameters:
type
- intended type of the expression- Returns:
- new expression of the given type
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