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, InternalExpression, InternalSelection

Enclosing class:

CriteriaBuilderImpl

public static class CriteriaBuilderImpl.SimpleCaseImpl<C,R>
extends FunctionExpressionImpl<R>

Implementation of SimpleCase interface from CriteriaBuilder

Author:

tware

See Also:

Serialized Form

Field Summary

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

expressions, operator

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

isLiteral, literal, metamodel

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

alias, currentNode, javaType

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SimpleCaseImpl(Metamodel metamodel, java.lang.Class<R> resultClass, FunctionExpression expressionNode, java.util.List<<any>> compoundExpressions, <any> expression)
protected	SimpleCaseImpl(Metamodel metamodel, java.lang.Class<R> resultClass, FunctionExpression expressionNode, java.util.List<<any>> compoundExpressions, java.lang.String operator, <any> expression)

Method Summary

Modifier and Type	Method and Description
<any>	getExpression() Returns the expression to be tested against the conditions.
<any>	otherwise(<any> result) Add an "else" clause to the case expression.
<any>	otherwise(R result) Add an "else" clause to the case expression.
<any>	when(C condition, <any> result) Add a when/then clause to the case expression.
<any>	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, buildExpressionForAs, 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

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

Constructor Detail

SimpleCaseImpl

protected SimpleCaseImpl(Metamodel metamodel,
                         java.lang.Class<R> resultClass,
                         FunctionExpression expressionNode,
                         java.util.List<<any>> compoundExpressions,
                         <any> expression)

SimpleCaseImpl

protected SimpleCaseImpl(Metamodel metamodel,
                         java.lang.Class<R> resultClass,
                         FunctionExpression expressionNode,
                         java.util.List<<any>> compoundExpressions,
                         java.lang.String operator,
                         <any> expression)

Method Detail

getExpression

public <any> getExpression()

Returns the expression to be tested against the conditions.

Returns:

expression

when

public <any> when(C condition,
                  R result)

Add a when/then clause to the case expression.

Parameters:

condition - "when" condition

result - "then" result value

Returns:

simple case expression

when

public <any> when(C condition,
                  <any> result)

Add a when/then clause to the case expression.

Parameters:

condition - "when" condition

result - "then" result expression

Returns:

simple case expression

otherwise

public <any> otherwise(R result)

Add an "else" clause to the case expression.

Parameters:

result - "else" result

Returns:

expression

otherwise

public <any> otherwise(<any> result)

Add an "else" clause to the case expression.

Parameters:

result - "else" result expression

Returns:

expression