org.yamcs.xtce

Interface DatabaseLoader

All Known Subinterfaces:

SpaceSystemLoader

All Known Implementing Classes:

AbstractFileLoader, SpreadsheetLoader, XtceLoader

public interface DatabaseLoader

Method Summary

Modifier and Type	Method and Description
String	getConfigName() The filename used to save the database after all the loaders have loaded it, is based on a concatenation of the config names returned by the loaders.
boolean	needsUpdate(RandomAccessFile consistencyDateFile)
void	writeConsistencyDate(FileWriter consistencyDateFile)

Method Detail

needsUpdate

boolean needsUpdate(RandomAccessFile consistencyDateFile)
             throws IOException,
                    ConfigurationException

Parameters:

consistencyDateFile - check in this file when the last databse has been loaded

Returns:

if this loader has to reload the database from its source

Throws:

IOException - if the consistencyDateFile can not be read for some reason

ConfigurationException

getConfigName

String getConfigName()
              throws ConfigurationException

The filename used to save the database after all the loaders have loaded it, is based on a concatenation of the config names returned by the loaders. Thus if a loader can have multiple versions of the database, they should be saved in multiple files.

Returns:

a string to be used as the filename where the serialized instance will be stored.

Throws:

ConfigurationException - in case some of the configuration properties do not exist

writeConsistencyDate

void writeConsistencyDate(FileWriter consistencyDateFile)
                   throws IOException

Parameters:

consistencyDateFile - the file in which the consistency date should be written

Throws:

IOException - if the consistency date file can't be written for some reason