Package helma.objectmodel.db
package helma.objectmodel.db
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ClassDescriptionA class that encapsulates the Column name and data type of a column in a relational table.This is the internal representation of a database key.A DbMapping describes how a certain type of Nodes is to mapped to a relational database table.This class describes a releational data source (URL, driver, user and password).An interface for objects that generate IDs (Strings) that are unique for a specific type.This is the interface for the internal representation of an object key.This is the internal representation of a database key with multiple columns.An implementation of INode that can be stored in the internal database or an external relational database.This class is a handle or reference to a Node.The NodeManager is responsible for fetching Nodes from the internal or external data sources, caching them in a least-recently-used Hashtable, and writing changes back to the databases.This class describes a parent relation between releational nodes.A property implementation for Nodes stored inside a database.This describes how a property of a persistent Object is stored in a relational database table.Container implementation for subnode collections.This is the internal key for an object that is not - or not directly - fetched from a db, but derived from another object.A subclass of thread that keeps track of changed nodes and triggers changes in the database when a transaction is commited.A wrapper around NodeManager that catches most Exceptions, or rethrows them as RuntimeExceptions.