org.apache.openjpa.persistence.criteria
Class Joins.MapKey<Z,K>

java.lang.Object
  extended by org.apache.openjpa.persistence.criteria.SelectionImpl<X>
      extended by org.apache.openjpa.persistence.criteria.ExpressionImpl<X>
          extended by org.apache.openjpa.persistence.criteria.PathImpl<Z,K>
              extended by org.apache.openjpa.persistence.criteria.Joins.MapKey<Z,K>
All Implemented Interfaces:
Expression<K>, Path<K>, Selection<K>, TupleElement<K>, CriteriaExpression
Enclosing class:
Joins

static class Joins.MapKey<Z,K>
extends PathImpl<Z,K>


Field Summary
 
Fields inherited from class org.apache.openjpa.persistence.criteria.PathImpl
_member, _parent
 
Constructor Summary
Joins.MapKey(Joins.Map<Z,K,?> joinMap)
           
 
Method Summary
 StringBuilder asValue(AliasContext q)
          Get a string representation of this node as a value in the context of the given query.
 Type<?> getType()
           
 Value toValue(ExpressionFactory factory, CriteriaQueryImpl<?> c)
          Convert this path to a join expression.
 
Methods inherited from class org.apache.openjpa.persistence.criteria.PathImpl
asVariable, get, get, get, get, getCorrelatedJoin, getCorrelatedPath, getCorrelatedRoot, getEmbeddedFieldMetaData, getInnermostMember, getInnermostParentPath, getMember, getModel, getParentPath, inSubquery, isCorrelated, setCorrelatedPath, traversePath, type
 
Methods inherited from class org.apache.openjpa.persistence.criteria.ExpressionImpl
as, in, in, in, in, isNotNull, isNull, toKernelExpression
 
Methods inherited from class org.apache.openjpa.persistence.criteria.SelectionImpl
acceptVisit, alias, asProjection, assertValidName, 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
 
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
 

Constructor Detail

Joins.MapKey

public Joins.MapKey(Joins.Map<Z,K,?> joinMap)
Method Detail

getType

public Type<?> getType()
Overrides:
getType in class PathImpl<Z,K>

toValue

public Value toValue(ExpressionFactory factory,
                     CriteriaQueryImpl<?> c)
Convert this path to a join expression.

Overrides:
toValue in class PathImpl<Z,K>
Parameters:
factory - creates the kernel expression
c - the query definition context of this expression
Returns:
an equivalent kernel value

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:
asValue in interface CriteriaExpression
Overrides:
asValue in class PathImpl<Z,K>


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