gnue.common Private API - GNU Enterprise

Package gnue :: Package common :: Package datasources :: Module GDataSource

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Module gnue.common.datasources.GDataSource

Classes for the datasource object tree.

Classes
`GConnection`	A connection defined in the XML instead of in connections.conf.
`GCSortField`	A field within a sort order definition.
`GCSortOrder`	The sort order definition for a datasource.
`GDataSource`	Class that handles DataSources.
`GSql`	The definition of a raw SQL query string.
`GStaticSet`	A set of static data.
`GStaticSetField`	A field in a static data row.
`GStaticSetRow`	A row of static data.
`_DataSourceWrapper`

Exceptions
`AppServerResourceError`	Abstract base class for errors when loading appserver resources.
`InvalidResourceTypeError`	Invalid resource type for an appserver resource.
`InvalidURLError`	Invalid URL for an appserver resource.
`ResourceNotFoundError`	Requested appserver resource not found.

Function Summary
	`DataSourceWrapper(connections, fields, attributes, init, sql)` Wrapper function to use datasources outside an XML tree.
	`getAppserverResource(url, paramDict, connections)` Load an appserver resource.
	`getXMLelements(updates)`

Function Details

Wrapper function to use datasources outside an XML tree.

Parameters:: connections - Connection manager (GConnections.GConnections instance).; fields - List of field names to bind to the database.; attributes - Dictionary of attributes to set for the datasource (all XML attributes can be used).; init - If set to False, does not initialize the datasource object.; sql - Optional raw SQL.

Load an appserver resource.

Appserver resources are XML definitions that are generated by appserver.

Parameters:: url - Resource URL. Must be in format appserver://<connection>/<resourcetype>/<resourcename>; paramDict - Parameters to provide when requesting the resource. Valid parameters depend on the resource type.; connections - Connection manager that can be used to connect to the appserver backend.