org.lsst.ccs.config.remote

Class RMIConfigurationServer

java.lang.Object

java.rmi.server.RemoteObject

java.rmi.server.RemoteServer

java.rmi.server.UnicastRemoteObject

org.lsst.ccs.config.remote.RMIConfigurationServer

All Implemented Interfaces:

Serializable, Remote, ConfigurationService

public class RMIConfigurationServer
extends UnicastRemoteObject
implements ConfigurationService

A RMI server for Configuration service that delegates to a local ConfigurationServiceImpl object.

Author:

bamade

See Also:

Serialized Form

Field Summary

Fields inherited from class java.rmi.server.RemoteObject

ref

Constructor Summary

Constructors

Constructor and Description
RMIConfigurationServer(ConfigurationService impl)

Method Summary

Modifier and Type	Method and Description
ProfileResult	deprecateConfigProfile(String subsystemName, String name, String tag) Deprecates a valid Configuration Profile.
DescriptionResult	deprecateSubsystemDescription(String subsystemName, String tag) Deprecates a registered subsystem.
ConfigProfile	getActiveConfigProfile(String subsystemName, String name, String tag) gets an active ConfigProfile with anme and tag
SubsystemDescription	getActiveSubsystemDescription(String name, String tag) fetch the active Description with name and tag
String	getActiveValueAt(String subsystemName, String parameterPath, long date) gets the value of a parameter for a subsystem which was active at a moment in time.
ConfigProfile	getConfigRunningAt(String subsystemName, long date) Returns the Configuration which was running for a given subsystem at a moment in time
ConfigProfile	getConfigValidAt(String subsystemName, String name, String tag, long date) Gets a ConfigProfile which was (or is) valid at a precise moment.
ConfigProfile	getNext(ConfigProfile current) Gets a (deprecated or "alive") ConfigProfile with same name and tag as the argument
ConfigProfile	getPrevious(ConfigProfile current) gets a (deprecated) ConfigProfile with same name and tag as the argument.
SubsystemDescription	getPrevious(SubsystemDescription current) Gets the (deprecated) SubsystemDescription with same characteritics as the argument
String	getValueValidAt(String subsystemName, String profileName, String profileTag, String parameterPath, long date) Gets the value of a Parameter which was valid at a moment in time.
ParameterConfiguration	modifyParmConf(ParameterConfiguration engineeringModeParm) Registers a modification to a ParameterConfiguration operated through ConfigProfile.temporaryChangeConfigurationValue
ProfileResult	registerConfigProfile(ConfigProfile newProfile) Registers a new ConfigProfile in the configuration service.
ProfileResult	registerConfiguration(String subsystemName, String categoryName, String configurationName, String tag, String user, int level) typical remote service: a local properties structure is base for creating a new ConfigProfile
DescriptionResult	registerSubsystemDescription(SubsystemDescription newDescription) Registers in the configuration service a new subsystem description (created through Factories code.
List<?>	simpleHQLRequest(String hqlString) can send a simple HQL request to the underlying Database.

Methods inherited from class java.rmi.server.UnicastRemoteObject

clone, exportObject, exportObject, exportObject, unexportObject

Methods inherited from class java.rmi.server.RemoteServer

getClientHost, getLog, setLog

Methods inherited from class java.rmi.server.RemoteObject

equals, getRef, hashCode, toString, toStub

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

RMIConfigurationServer

public RMIConfigurationServer(ConfigurationService impl)
                       throws RemoteException

Throws:

RemoteException

Method Detail

registerSubsystemDescription

public DescriptionResult registerSubsystemDescription(SubsystemDescription newDescription)
                                               throws RemoteException

Description copied from interface: ConfigurationService

Registers in the configuration service a new subsystem description (created through Factories code.

Specified by:

registerSubsystemDescription in interface ConfigurationService

Parameters:

newDescription - do not use this object any more after the call

Returns:

a data structure containing a reference to an immutable registered subsystem (use getResult()) a possible deprecated subsystem which has been replaced by the newDescription and a list of possible deprecated ConfigProfile that were referencing the obsolete subsystem

Throws:

RemoteException

deprecateSubsystemDescription

public DescriptionResult deprecateSubsystemDescription(String subsystemName,
                                                       String tag)
                                                throws RemoteException

Description copied from interface: ConfigurationService

Deprecates a registered subsystem.

Specified by:

deprecateSubsystemDescription in interface ConfigurationService

Returns:

a data structure with the deprecated subsystem (or null if not found) and a list of ConfigProfile that may have been deprecated

Throws:

RemoteException

getActiveSubsystemDescription

public SubsystemDescription getActiveSubsystemDescription(String name,
                                                          String tag)
                                                   throws RemoteException

Description copied from interface: ConfigurationService

fetch the active Description with name and tag

Specified by:

getActiveSubsystemDescription in interface ConfigurationService

Returns:

Throws:

RemoteException

registerConfigProfile

public ProfileResult registerConfigProfile(ConfigProfile newProfile)
                                    throws RemoteException

Description copied from interface: ConfigurationService

Registers a new ConfigProfile in the configuration service. The object must have been created with Factories using a registered valid SubsystemDescription

Specified by:

registerConfigProfile in interface ConfigurationService

Parameters:

newProfile - do not use this object any more after the call

Returns:

a data structure containing an immutable registered Objecta (use getResult()) and possibly a deprecated profile it replaces.

Throws:

RemoteException

registerConfiguration

public ProfileResult registerConfiguration(String subsystemName,
                                           String categoryName,
                                           String configurationName,
                                           String tag,
                                           String user,
                                           int level)
                                    throws RemoteException

Description copied from interface: ConfigurationService

typical remote service: a local properties structure is base for creating a new ConfigProfile

Specified by:

registerConfiguration in interface ConfigurationService

Returns:

Throws:

RemoteException

deprecateConfigProfile

public ProfileResult deprecateConfigProfile(String subsystemName,
                                            String name,
                                            String tag)
                                     throws RemoteException

Description copied from interface: ConfigurationService

Deprecates a valid Configuration Profile.

Specified by:

deprecateConfigProfile in interface ConfigurationService

name - configuration name

Returns:

a data structure containing the deprecated object (or null if not found)

Throws:

RemoteException

getActiveConfigProfile

public ConfigProfile getActiveConfigProfile(String subsystemName,
                                            String name,
                                            String tag)
                                     throws RemoteException

Description copied from interface: ConfigurationService

gets an active ConfigProfile with anme and tag

Specified by:

getActiveConfigProfile in interface ConfigurationService

Returns:

null if no such configuration

Throws:

RemoteException

modifyParmConf

public ParameterConfiguration modifyParmConf(ParameterConfiguration engineeringModeParm)
                                      throws RemoteException

Description copied from interface: ConfigurationService

Registers a modification to a ParameterConfiguration operated through ConfigProfile.temporaryChangeConfigurationValue

Specified by:

modifyParmConf in interface ConfigurationService

Parameters:

engineeringModeParm - a ParameterConfiguration object which is registered in a registered ConfigProfile object in engineering mode (see Factories.copyProfile and register the resulting profile before calling this method)

Returns:

its argument (can be reused for other calls of temporaryChange)

Throws:

RemoteException

getConfigRunningAt

public ConfigProfile getConfigRunningAt(String subsystemName,
                                        long date)
                                 throws RemoteException

Description copied from interface: ConfigurationService

Returns the Configuration which was running for a given subsystem at a moment in time

NOTE: this method will not work on "dummy local services"

Specified by:

getConfigRunningAt in interface ConfigurationService

Returns:

Throws:

RemoteException

getActiveValueAt

public String getActiveValueAt(String subsystemName,
                               String parameterPath,
                               long date)
                        throws RemoteException

Description copied from interface: ConfigurationService

gets the value of a parameter for a subsystem which was active at a moment in time.

NOTE: this method will not work on "dummy local services"

Specified by:

getActiveValueAt in interface ConfigurationService

Returns:

Throws:

RemoteException

getConfigValidAt

public ConfigProfile getConfigValidAt(String subsystemName,
                                      String name,
                                      String tag,
                                      long date)
                               throws RemoteException

Description copied from interface: ConfigurationService

Gets a ConfigProfile which was (or is) valid at a precise moment.

NOTE: this method will not work on "dummy local services"

Specified by:

getConfigValidAt in interface ConfigurationService

Returns:

null if not found

Throws:

RemoteException

getValueValidAt

public String getValueValidAt(String subsystemName,
                              String profileName,
                              String profileTag,
                              String parameterPath,
                              long date)
                       throws RemoteException

Description copied from interface: ConfigurationService

Gets the value of a Parameter which was valid at a moment in time.

NOTE: this method will not work on "dummy local services"

there is no need for a susbsystem name since at a moment in time there is only one subsystem known to a combintaiton of config name and tag.

Specified by:

getValueValidAt in interface ConfigurationService

Returns:

Throws:

RemoteException

getPrevious

public ConfigProfile getPrevious(ConfigProfile current)
                          throws RemoteException

Description copied from interface: ConfigurationService

gets a (deprecated) ConfigProfile with same name and tag as the argument.

Specified by:

getPrevious in interface ConfigurationService

Returns:

Throws:

RemoteException

getNext

public ConfigProfile getNext(ConfigProfile current)
                      throws RemoteException

Description copied from interface: ConfigurationService

Gets a (deprecated or "alive") ConfigProfile with same name and tag as the argument

Specified by:

getNext in interface ConfigurationService

Returns:

Throws:

RemoteException

getPrevious

public SubsystemDescription getPrevious(SubsystemDescription current)
                                 throws RemoteException

Description copied from interface: ConfigurationService

Gets the (deprecated) SubsystemDescription with same characteritics as the argument

Specified by:

getPrevious in interface ConfigurationService

Returns:

Throws:

RemoteException

simpleHQLRequest

public List<?> simpleHQLRequest(String hqlString)
                         throws RemoteException

Description copied from interface: ConfigurationService

can send a simple HQL request to the underlying Database. It is assumed that the request is only a "read" (a SELECT equivalent) -though this is not checked-

NOTE: this method will not work on "dummy local services"

Specified by:

simpleHQLRequest in interface ConfigurationService

Returns:

Throws:

RemoteException