org.eclipse.persistence.internal.jpa.querydef

Class CriteriaBuilderImpl.CaseImpl<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.CaseImpl<R>

Type Parameters:

R -

All Implemented Interfaces:

java.io.Serializable, InternalExpression, InternalSelection

Enclosing class:

CriteriaBuilderImpl

public static class CriteriaBuilderImpl.CaseImpl<R>
extends FunctionExpressionImpl<R>

Implementation of Case interface from Criteria Builder

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	CaseImpl(Metamodel metamodel, java.lang.Class<R> resultClass, org.eclipse.persistence.expressions.Expression expressionNode, java.util.List<<any>> compoundExpressions)
protected	CaseImpl(Metamodel metamodel, java.lang.Class<R> resultClass, org.eclipse.persistence.expressions.Expression expressionNode, java.util.List<<any>> compoundExpressions, java.lang.String operator)

Method Summary

Modifier and Type	Method and Description
<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(<any> condition, <any> result) Add a when/then clause to the case expression.
<any>	when(<any> 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

CaseImpl

protected CaseImpl(Metamodel metamodel,
                   java.lang.Class<R> resultClass,
                   org.eclipse.persistence.expressions.Expression expressionNode,
                   java.util.List<<any>> compoundExpressions)

CaseImpl

protected CaseImpl(Metamodel metamodel,
                   java.lang.Class<R> resultClass,
                   org.eclipse.persistence.expressions.Expression expressionNode,
                   java.util.List<<any>> compoundExpressions,
                   java.lang.String operator)

Method Detail

when

public <any> when(<any> 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

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

Add a when/then clause to the case expression.

Parameters:

condition - "when" condition

result - "then" result expression

Returns:

general 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