org.apache.openjpa.meta
Class InMemoryValueOrder
java.lang.Object
org.apache.openjpa.meta.InMemoryValueOrder
- All Implemented Interfaces:
- Serializable, Comparator, Order
class InMemoryValueOrder
- extends Object
- implements Order, Comparator
Order by the field value in memory. If the field contains
PersistenceCapable
objects, order on their primary key values.
Relies on primary key values, including datastore oid objects, being
Comparable
.
- Author:
- Abe White
Fields inherited from interface org.apache.openjpa.meta.Order |
ELEMENT |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
InMemoryValueOrder
public InMemoryValueOrder(boolean asc,
OpenJPAConfiguration conf)
getName
public String getName()
- Description copied from interface:
Order
- Return the name of the orderable.
- Specified by:
getName
in interface Order
isAscending
public boolean isAscending()
- Description copied from interface:
Order
- Order direction.
- Specified by:
isAscending
in interface Order
getComparator
public Comparator getComparator()
- Description copied from interface:
Order
- Return a comparator for ordering by this element, or null if
the ordering is done in the datastore.
- Specified by:
getComparator
in interface Order
compare
public int compare(Object o1,
Object o2)
- Specified by:
compare
in interface Comparator
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