javax.persistence.criteria.CriteriaBuilder.SimpleCase - JPA interface
Interface used to build simple case expressions. Case conditions are evaluated in the order in which they are specified.
- Since:
- JPA 2.0
Assigns an alias to the selection item.
Assigns an alias to the selection item. Once assigned, an alias cannot be changed or reassigned. Returns the same selection item.
- Parameters:
-
name
- alias
- Returns:
- selection item
- Since:
- JPA 2.0
Perform a typecast upon the expression, returning a new expression object.
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
- Since:
- JPA 2.0
Return the alias assigned to the tuple element or null, if no alias has been assigned.
Return the alias assigned to the tuple element or null, if no alias has been assigned.
- Returns:
- alias
- Since:
- JPA 2.0
Return the selection items composing a compound selection.
Return the selection items composing a compound selection. Modifications to the list do not affect the query.
- Returns:
- list of selection items
- Throws:
-
IllegalStateException
- if selection is not a compound selection
- Since:
- JPA 2.0
Return the expression to be tested against the conditions.
Return the expression to be tested against the conditions.
- Returns:
- expression
- Since:
- JPA 2.0
Return the Java type of the tuple element.
Return the Java type of the tuple element.
- Returns:
- the Java type of the tuple element
- Since:
- JPA 2.0
Create a predicate to test whether the expression is a member of the argument list.
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
- Since:
- JPA 2.0
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 collection.
- Parameters:
-
values
- collection of values to be tested against
- Returns:
- predicate testing for membership
- Since:
- JPA 2.0
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 collection.
- Parameters:
-
values
- expression corresponding to collection to be tested against
- Returns:
- predicate testing for membership
- Since:
- JPA 2.0
Create a predicate to test whether the expression is a member of the argument list.
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
- Since:
- JPA 2.0
Whether the selection item is a compound selection.
Whether the selection item is a compound selection.
- Returns:
- boolean indicating whether the selection is a compound selection
- Since:
- JPA 2.0
Create a predicate to test whether the expression is not null.
Create a predicate to test whether the expression is not null.
- Returns:
- predicate testing whether the expression is not null
- Since:
- JPA 2.0
Create a predicate to test whether the expression is null.
Create a predicate to test whether the expression is null.
- Returns:
- predicate testing whether the expression is null
- Since:
- JPA 2.0
Add an "else" clause to the case expression.
Add an "else" clause to the case expression.
- Parameters:
-
result
- "else" result
- Returns:
- expression
- Since:
- JPA 2.0
Add an "else" clause to the case expression.
Add an "else" clause to the case expression.
- Parameters:
-
result
- "else" result expression
- Returns:
- expression
- Since:
- JPA 2.0
Add a when/then clause to the case expression.
Add a when/then clause to the case expression.
- Parameters:
-
condition
- "when" condition -
result
- "then" result value
- Returns:
- simple case expression
- Since:
- JPA 2.0
Add a when/then clause to the case expression.
Add a when/then clause to the case expression.
- Parameters:
-
condition
- "when" condition -
result
- "then" result expression
- Returns:
- simple case expression
- Since:
- JPA 2.0