org.apache.openjpa.persistence.criteria
Class Expressions.Constant<X>
java.lang.Object
   org.apache.openjpa.persistence.criteria.SelectionImpl<X>
org.apache.openjpa.persistence.criteria.SelectionImpl<X>
       org.apache.openjpa.persistence.criteria.ExpressionImpl<X>
org.apache.openjpa.persistence.criteria.ExpressionImpl<X>
           org.apache.openjpa.persistence.criteria.Expressions.Constant<X>
org.apache.openjpa.persistence.criteria.Expressions.Constant<X>
- All Implemented Interfaces: 
- Expression<X>, Selection<X>, TupleElement<X>, CriteriaExpression
- Enclosing class:
- Expressions
- public static class Expressions.Constant<X> 
- extends ExpressionImpl<X>
 
 
 
 
| Methods inherited from class org.apache.openjpa.persistence.criteria.SelectionImpl | 
| alias, asProjection, assertValidName, asVariable, getAlias, getCompoundSelectionItems, getJavaType, isAliased, isAutoAliased, isCompoundSelection, setAutoAlias | 
 
| Methods inherited from class java.lang.Object | 
| clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait | 
 
 
 
arg
public final Object arg
Expressions.Constant
public Expressions.Constant(Class<X> t,
                            X x)
Expressions.Constant
public Expressions.Constant(X x)
toValue
public Value toValue(ExpressionFactory factory,
                     CriteriaQueryImpl<?> q)
- Description copied from class: ExpressionImpl
- Bridge contract to convert this facade expression to a kernel value.
 
- 
- Specified by:
- toValuein class- ExpressionImpl<X>
 
- 
- Parameters:
- factory- creates the kernel expression
- q- the query definition context of this expression
- Returns:
- an equivalent kernel value
 
acceptVisit
public void acceptVisit(CriteriaExpressionVisitor visitor)
- Description copied from interface: CriteriaExpression
- Accept visit from the given visitor. The receiver is responsible 
 to propagate the visitor to the constituent sub-nodes if any.
 
- 
- Specified by:
- acceptVisitin interface- CriteriaExpression
- Overrides:
- acceptVisitin class- SelectionImpl<X>
 
- 
- Parameters:
- visitor- a processor to walk the nodes of a tree.
 
asValue
public StringBuilder asValue(AliasContext q)
- Description copied from interface: CriteriaExpression
- Get a string representation of this node as a value in the context of the given query.
 
- 
- Specified by:
- asValuein interface- CriteriaExpression
- Overrides:
- asValuein class- SelectionImpl<X>
 
- 
 
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