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java.lang.Objectorg.apache.openjpa.jdbc.meta.JDBCValueOrder
class JDBCValueOrder
Order by value columns, which are the primary key columns in the case of a relation field.
| Field Summary | 
|---|
| Fields inherited from interface org.apache.openjpa.meta.Order | 
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| ELEMENT | 
| Constructor Summary | |
|---|---|
| JDBCValueOrder(FieldMapping fm,
               boolean asc) | |
| Method Summary | |
|---|---|
|  Comparator<?> | getComparator()Return a comparator for ordering by this element, or null if the ordering is done in the datastore. | 
|  DBIdentifier | getIdentifier() | 
|  String | getName()Return the name of the orderable. | 
|  boolean | isAscending()Order direction. | 
|  boolean | isInRelation()Whether the value is a member of the field's related type, rather than columns of the field itself. | 
|  void | order(Select sel,
      ClassMapping elem,
      Joins joins)Order by this value. | 
| Methods inherited from class java.lang.Object | 
|---|
| clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait | 
| Constructor Detail | 
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public JDBCValueOrder(FieldMapping fm,
                      boolean asc)
| Method Detail | 
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public String getName()
Order
getName in interface Orderpublic DBIdentifier getIdentifier()
getIdentifier in interface JDBCOrderpublic boolean isAscending()
Order
isAscending in interface Orderpublic Comparator<?> getComparator()
Order
getComparator in interface Orderpublic boolean isInRelation()
JDBCOrder
isInRelation in interface JDBCOrder
public void order(Select sel,
                  ClassMapping elem,
                  Joins joins)
JDBCOrder
order in interface JDBCOrderelem - if this value has independent mappings, the mapping
 we're selecting| 
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