com::cosylab::cdb::client::CDBAccess::ChangeListener Class Reference

Inheritance diagram for com::cosylab::cdb::client::CDBAccess::ChangeListener:

Collaboration diagram for com::cosylab::cdb::client::CDBAccess::ChangeListener:

Classes
class	ReconnectTask
Public Member Functions
void	object_changed (String curl)
void	handle (DAL dal, String curl, DAOProxy conn)
boolean	isRegistered (String curl)
void	destroy ()
Private Attributes
HashMap	curlMap = new HashMap()
HashMap	dalMap = new HashMap()
DALChangeListener	cl = null

Detailed Description

This private class will handle CDB restart or data change in the CDB.

Author:: Dragan Vitas (dragan.vitas@cosylab.com)

Version:: @VERSION@

Member Function Documentation

void com::cosylab::cdb::client::CDBAccess::ChangeListener::destroy ( ) [inline]

Unregister this listener from DAL server(s).

References curlMap, dalMap, and com::cosylab::CDB::DALOperations::remove_change_listener().

Referenced by com::cosylab::cdb::client::CDBAccess::destroy().

void com::cosylab::cdb::client::CDBAccess::ChangeListener::handle	(	DAL	dal,
		String	curl,
		DAOProxy	conn
	)			`[inline]`

Add listener for curl on DAL server so the connectable object can be reconnected.

Parameters:

	dal	the reference of the DAL server where the curl is obtained
	curl	the path for our DAO object
	conn	the object for which we made the DAO

References com::cosylab::CDB::DALChangeListenerPOA::_this(), com::cosylab::CDB::DALOperations::add_change_listener(), com::cosylab::cdb::client::CDBAccess::changeListener, cl, curlMap, dalMap, com::cosylab::CDB::DALOperations::listen_for_changes(), and com::cosylab::cdb::client::CDBAccess::orb.

Referenced by com::cosylab::cdb::client::CDBAccess::internalConnect().

boolean com::cosylab::cdb::client::CDBAccess::ChangeListener::isRegistered ( String curl ) [inline]

Checks if object with the given CURL is already registered to this listener.

Parameters:

curl

the path for our DAO object

References curlMap.

Referenced by com::cosylab::cdb::client::CDBAccess::internalConnect().

void com::cosylab::cdb::client::CDBAccess::ChangeListener::object_changed ( String curl ) [inline]

Called from DAL server when curl changed or when DAL startups. NOTE: reconnection does not work if DAL is running on Java (Sun) CORBA - server problem (DAL reference!)

Parameters:

curl

changed entity in CDB