org.eclipse.persistence.internal.jpa.querydef

Class CriteriaBuilderImpl.SimpleCaseImpl<C,R>

java.lang.Object

org.eclipse.persistence.internal.jpa.querydef.SelectionImpl<X>

org.eclipse.persistence.internal.jpa.querydef.ExpressionImpl<X>

org.eclipse.persistence.internal.jpa.querydef.FunctionExpressionImpl<R>

org.eclipse.persistence.internal.jpa.querydef.CriteriaBuilderImpl.SimpleCaseImpl<C,R>

Type Parameters:

C -

R -

All Implemented Interfaces:

java.io.Serializable, javax.persistence.criteria.CriteriaBuilder.SimpleCase<C,R>, javax.persistence.criteria.Expression<R>, javax.persistence.criteria.Selection<R>, javax.persistence.TupleElement<R>, InternalExpression, InternalSelection

Enclosing class:

CriteriaBuilderImpl

public static class CriteriaBuilderImpl.SimpleCaseImpl<C,R>
extends FunctionExpressionImpl<R>
implements javax.persistence.criteria.CriteriaBuilder.SimpleCase<C,R>

Implementation of SimpleCase interface from CriteriaBuilder

Author:

tware

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
javax.persistence.criteria.Expression<C>	getExpression() Returns the expression to be tested against the conditions.
javax.persistence.criteria.Expression<R>	otherwise(javax.persistence.criteria.Expression<? extends R> result) Add an "else" clause to the case expression.
javax.persistence.criteria.Expression<R>	otherwise(R result) Add an "else" clause to the case expression.
javax.persistence.criteria.CriteriaBuilder.SimpleCase<C,R>	when(C condition, javax.persistence.criteria.Expression<? extends R> result) Add a when/then clause to the case expression.
javax.persistence.criteria.CriteriaBuilder.SimpleCase<C,R>	when(C condition, R result) Add a when/then clause to the case expression.

Methods inherited from class org.eclipse.persistence.internal.jpa.querydef.FunctionExpressionImpl

findRootAndParameters, getChildExpressions, getOperation, isCompoundExpression, isExpression

Methods inherited from class org.eclipse.persistence.internal.jpa.querydef.ExpressionImpl

as, in, in, in, in, isJunction, isLiteral, isNotNull, isNull, isParameter, isPredicate, isSubquery

Methods inherited from class org.eclipse.persistence.internal.jpa.querydef.SelectionImpl

alias, getAlias, getCompoundSelectionItems, getCurrentNode, getJavaType, isCompoundSelection, isConstructor, isFrom, isRoot

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

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

getExpression

public javax.persistence.criteria.Expression<C> getExpression()

Returns the expression to be tested against the conditions.

Specified by:

getExpression in interface javax.persistence.criteria.CriteriaBuilder.SimpleCase<C,R>

Returns:

expression

when

public javax.persistence.criteria.CriteriaBuilder.SimpleCase<C,R> when(C condition,
                                                                       R result)

Add a when/then clause to the case expression.

Specified by:

when in interface javax.persistence.criteria.CriteriaBuilder.SimpleCase<C,R>

Parameters:

condition - "when" condition

result - "then" result value

Returns:

simple case expression

when

public javax.persistence.criteria.CriteriaBuilder.SimpleCase<C,R> when(C condition,
                                                                       javax.persistence.criteria.Expression<? extends R> result)

Add a when/then clause to the case expression.

Specified by:

when in interface javax.persistence.criteria.CriteriaBuilder.SimpleCase<C,R>

Parameters:

condition - "when" condition

result - "then" result expression

Returns:

simple case expression

otherwise

public javax.persistence.criteria.Expression<R> otherwise(R result)

Add an "else" clause to the case expression.

Specified by:

otherwise in interface javax.persistence.criteria.CriteriaBuilder.SimpleCase<C,R>

Parameters:

result - "else" result

Returns:

expression

otherwise

public javax.persistence.criteria.Expression<R> otherwise(javax.persistence.criteria.Expression<? extends R> result)

Add an "else" clause to the case expression.

Specified by:

otherwise in interface javax.persistence.criteria.CriteriaBuilder.SimpleCase<C,R>

Parameters:

result - "else" result expression

Returns:

expression