Package org.yamcs.mdb

Class MdbFactory

java.lang.Object

org.yamcs.mdb.MdbFactory

public class MdbFactory
extends Object

Constructor Summary

Constructors

Constructor	Description
MdbFactory()

Method Summary

Modifier and Type	Method	Description
static Mdb	createInstance(List<YConfiguration> treeConfig, boolean attemptToLoadSerialized, boolean saveSerialized)	Load a XTCE database from a description.
static Mdb	createInstanceByConfig(String configSection)	Creates a new instance of the database in memory. configSection is the top heading under which this appears in the mdb.yaml
static Mdb	createInstanceByConfig(String configSection, boolean attemptToLoadSerialized)
static Mdb	getInstance(String yamcsInstance)	retrieves the MDB for the corresponding yamcsInstance. if yamcsInstance is null, then the first one in the mdb.yaml config file is loaded
static Mdb	getInstanceByConfig(String yamcsInstance, String config)
static void	remove(String yamcsInstance)	Removes the MDB corresponding to yamcsInstance from memory
static void	reset()	forgets any singleton
static void	setupTool(Path cacheDirectory)	Sets up this class (creation of cache directory).

Methods inherited from class java.lang.Object

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

Constructor Details

MdbFactory

public MdbFactory()

Method Details

createInstanceByConfig

public static Mdb createInstanceByConfig(String configSection)
                                  throws DatabaseLoadException

Creates a new instance of the database in memory. configSection is the top heading under which this appears in the mdb.yaml

Throws:

DatabaseLoadException

createInstanceByConfig

public static Mdb createInstanceByConfig(String configSection,
 boolean attemptToLoadSerialized)
                                  throws ConfigurationException,
DatabaseLoadException

Throws:

ConfigurationException

DatabaseLoadException

createInstance

public static Mdb createInstance(List<YConfiguration> treeConfig,
 boolean attemptToLoadSerialized,
 boolean saveSerialized)
                          throws ConfigurationException,
DatabaseLoadException

Load a XTCE database from a description.

Parameters:

treeConfig - this should be a list of maps as it would come out of the mdb.yaml definition.

attemptToLoadSerialized - if true, it will attempt to load a serialized version from the disk instead of creating a new object by loading all elements from the tree definition.

saveSerialized - if the result should be saved as a serialized file. If the database has been loaded from a serialized file, this option will have no effect.

Returns:

a newly created XTCE database object.

Throws:

ConfigurationException

DatabaseLoadException

getInstance

public static Mdb getInstance(String yamcsInstance)
                       throws ConfigurationException

retrieves the MDB for the corresponding yamcsInstance. if yamcsInstance is null, then the first one in the mdb.yaml config file is loaded

Parameters:

yamcsInstance -

Returns:

Throws:

ConfigurationException

DatabaseLoadException

getInstanceByConfig

public static Mdb getInstanceByConfig(String yamcsInstance,
 String config)

remove

public static void remove(String yamcsInstance)

Removes the MDB corresponding to yamcsInstance from memory

reset

public static void reset()

forgets any singleton

setupTool

public static void setupTool(Path cacheDirectory)

Sets up this class (creation of cache directory).

This method is intended for client tools.