org.apache.openjpa.jdbc.meta
Interface JDBCOrder

All Superinterfaces:
Order, Serializable
All Known Implementing Classes:
JDBCColumnOrder, JDBCRelatedFieldOrder, JDBCValueOrder

interface JDBCOrder
extends Order

Order in the datastore using JDBC.

Author:
Abe White

Field Summary
 
Fields inherited from interface org.apache.openjpa.meta.Order
ELEMENT
 
Method Summary
 DBIdentifier getIdentifier()
           
 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 interface org.apache.openjpa.meta.Order
getComparator, getName, isAscending
 

Method Detail

isInRelation

boolean isInRelation()
Whether the value is a member of the field's related type, rather than columns of the field itself.


order

void order(Select sel,
           ClassMapping elem,
           Joins joins)
Order by this value.

Parameters:
elem - if this value has independent mappings, the mapping we're selecting

getIdentifier

DBIdentifier getIdentifier()


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