com.triactive.jdo.store
Interface SetStore

All Superinterfaces:

CollectionStore

All Known Implementing Classes:

ManyToManySetStore, OneToManySetStore

public interface SetStore
extends CollectionStore

Implements the backing store for a Set field.

Different implementations of SetStore employ different techniques for modeling the Java concept of a Set in a relational data store. Individual instances of SetStore are responsible for managing the storage for some Java class's Collection or Set field across all instances of that class.

Author:

Mike Martin

Method Summary

void	clearAll(java.util.Collection owners) Clears the sets associated with an entire group of objects.
PersistentSet	newSetInstance(StateManager owner) Returns a new persistent set representing the set associated with the given object.

Methods inherited from interface com.triactive.jdo.store.CollectionStore

allowsNulls, getElementType, isEmbeddedElement, newSubqueryStatement, newSubqueryStatement

Method Detail

newSetInstance

PersistentSet newSetInstance(StateManager owner)

Returns a new persistent set representing the set associated with the given object.

Iterators returned by the persistent set support the remove() method.

Parameters:

owner - The StateManager of the object whose set is to be returned.

Returns:

the new persistent set

clearAll

void clearAll(java.util.Collection owners)

Clears the sets associated with an entire group of objects.

Parameters:

owners - The StateManagers of all the objects whose set is to be cleared.