javax.persistence.criteria

Interface CriteriaBuilder.Case<R>

All Superinterfaces:

Expression<R>, Selection<R>, TupleElement<R>

Enclosing interface:

CriteriaBuilder

public static interface CriteriaBuilder.Case<R>
extends Expression<R>

Interface used to build general case expressions. Case conditions are evaluated in the order in which they are specified.

Method Summary

Methods

Modifier and Type	Method and Description
Expression<R>	otherwise(Expression<? extends R> result) Add an "else" clause to the case expression.
Expression<R>	otherwise(R result) Add an "else" clause to the case expression.
CriteriaBuilder.Case<R>	when(Expression<Boolean> condition, Expression<? extends R> result) Add a when/then clause to the case expression.
CriteriaBuilder.Case<R>	when(Expression<Boolean> condition, R result) Add a when/then clause to the case expression.

Methods inherited from interface javax.persistence.criteria.Expression

as, in, in, in, in, isNotNull, isNull

Methods inherited from interface javax.persistence.criteria.Selection

alias, getCompoundSelectionItems, isCompoundSelection

Methods inherited from interface javax.persistence.TupleElement

getAlias, getJavaType

Method Detail

when

CriteriaBuilder.Case<R> when(Expression<Boolean> condition,
                           R result)

Add a when/then clause to the case expression.

Parameters:

condition - "when" condition

result - "then" result value

Returns:

general case expression

when

CriteriaBuilder.Case<R> when(Expression<Boolean> condition,
                           Expression<? extends R> result)

Add a when/then clause to the case expression.

Parameters:

condition - "when" condition

result - "then" result expression

Returns:

general case expression

otherwise

Expression<R> otherwise(R result)

Add an "else" clause to the case expression.

Parameters:

result - "else" result

Returns:

expression

otherwise

Expression<R> otherwise(Expression<? extends R> result)

Add an "else" clause to the case expression.

Parameters:

result - "else" result expression

Returns:

expression