javax.persistence.criteria
Interface QueryBuilder.Case<R>

All Superinterfaces:

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

Enclosing interface:

QueryBuilder

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

Interface used to build general case expressions.

Method Summary

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.
QueryBuilder.Case<R>	when(Expression<Boolean> condition, Expression<? extends R> result) Add a when/then clause to the case expression.
QueryBuilder.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

QueryBuilder.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

QueryBuilder.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