jpl.mipl.cassini.CDRS.servers
Class CDRSServerManager

java.lang.Object
  jpl.mipl.cassini.CDRS.servers.CDRSServerManager

public class CDRSServerManager
extends Object

Purpose:For starting and shutting down of servers.

 <b>
      Copyright 2002, California Institute of Technology. 
      ALL RIGHTS RESERVED.
      U.S. Government Sponsorship acknowledge.2002.
 
      CASSINI Downlink and Reconciliation Subsystem
  </b>
  ============================================================================
  <b>Modification History :</b>
  --------------------
 
  <b>Date       Who        What</b>
  ----------------------------------------------------------------------------
  02/16/2002    Raj        Initial Release
  04/15/2002    Raj        Added support for persistent group id usage.
  04/17/2002    Raj        Make last parameter in ActivationDesc to true
                           (for automatic start of the group if the only
                            object in the group crashes). NEED TO CHANGE IT
                            to false when the bug is fixed in JDK.
  05/06/2002    Raj        Added support for startup/shutdown of sub-control
                           and shutdown for server.
  09/18/2002    Raj        Modified call to checkAccess as per changes
                           to CDRSAccessUtils.
 
  03/11/2003    Raj        Fix for AR-108963.
  03/11/2003    Raj        Fix for AR-108961. Also changed to use env variable
                           LOGNAME and not USER.
  04/10/2003    Raj        Changed the wait time when starting RMID to
                           10 seconds from 3 seconds.
  ============================================================================
 

Version:

1.0

Author:

Raj Patel (rrp@mipl.jpl.nasa.gov)

Constructor Summary

CDRSServerManager(Properties startUpData)
The constructor

Method Summary

void	cleanup() Clean up.
void	finalize()
boolean	shutDownSC(short serverId) For sub control shut down.
boolean	shutDownServer(short serverId) For server shut down.
boolean	shutDownServer(String serverName) For server shut down.
CDRSServerBase	startCDRSServer(Properties startUpData, Connection dbConn) For starting a CDRSServer other then the subcontrol
CDRSServerBase	startCDRSServer(short serverId) For starting the server by id.
CDRSServerBase	startCDRSServer(String serverName) For starting the server by name .
CDRSServerBase	startCDRSSubControl(Properties startUpData, Connection dbConn) For starting a given subcontrol.
void	startCDRSSubControls() Starts all of the subcontrols that can be started on this host and are not currently running.
void	startRMID()

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CDRSServerManager

public CDRSServerManager(Properties startUpData)
                  throws Exception

The constructor

Throws:

Exception

Method Detail

startCDRSServer

public CDRSServerBase startCDRSServer(String serverName)
                               throws Exception

For starting the server by name .

Throws:

Exception

startCDRSServer

public CDRSServerBase startCDRSServer(short serverId)
                               throws Exception

For starting the server by id.

Throws:

Exception

startCDRSServer

public CDRSServerBase startCDRSServer(Properties startUpData,
                                      Connection dbConn)
                               throws Exception

For starting a CDRSServer other then the subcontrol

Throws:

Exception

startCDRSSubControls

public void startCDRSSubControls()
                          throws Exception

Starts all of the subcontrols that can be started on this host and are not currently running.

Throws:

Exception

startCDRSSubControl

public CDRSServerBase startCDRSSubControl(Properties startUpData,
                                          Connection dbConn)
                                   throws Exception

For starting a given subcontrol.

Parameters:

startUpData - This properties specifies at the least the following: dbusername, dbname, dbservername,id of the server to be started and name of the server to be registered in the database.

dbConn - A live connection to the database.

Throws:

Exception

shutDownServer

public boolean shutDownServer(String serverName)
                       throws Exception

For server shut down. Any pending requests are discarded.

Throws:

Exception

shutDownServer

public boolean shutDownServer(short serverId)
                       throws Exception

For server shut down. Any pending requests are discarded.

Throws:

Exception

shutDownSC

public boolean shutDownSC(short serverId)
                   throws Exception

For sub control shut down. Any pending requests are discarded.

Throws:

Exception

startRMID

public void startRMID()
               throws Exception

Throws:

Exception

cleanup

public void cleanup()
             throws Exception

Clean up. Close connection when not needed.

Throws:

Exception

finalize

public void finalize()
              throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable