Package helma.objectmodel

Interface Summary

IDatabase	Interface that is implemented by Database wrappers
INode	Interface that all Nodes implement.
INodeState	Interface that defines states of nodes
IProperty	Interface that is implemented by node properties.
ITransaction	This interface is kept for databases that are able to run transactions.
ObjectCache	Interface Helma object cache classes need to implement.

Class Summary

NodeEvent	This is passed to NodeListeners when a node is modified.
Property	A property implementation for Nodes stored inside a database.
TransientNode	A transient implementation of INode.

Exception Summary

DatabaseException	Thrown on any kind of Database-Error
ObjectNotFoundException	Thrown when an object could not found in the database where it was expected.

Error Summary

ConcurrencyException

Thrown when more than one thrad tries to modify a Node.