Package org.yamcs.xtce
Class EmptyNodeLoader
- java.lang.Object
-
- org.yamcs.xtce.EmptyNodeLoader
-
- All Implemented Interfaces:
SpaceSystemLoader
public class EmptyNodeLoader extends Object implements SpaceSystemLoader
Database "loader" that simply creates an empty SpaceSystem with the given name
-
-
Constructor Summary
Constructors Constructor Description EmptyNodeLoader(String name)
EmptyNodeLoader(YConfiguration args)
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method 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.SpaceSystem
load()
loads the SpaceSystem database in memory.boolean
needsUpdate(RandomAccessFile consistencyDateFile)
void
writeConsistencyDate(FileWriter consistencyDateFile)
-
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
-
Methods inherited from interface org.yamcs.xtce.SpaceSystemLoader
loadList
-
-
-
-
Constructor Detail
-
EmptyNodeLoader
public EmptyNodeLoader(YConfiguration args)
-
EmptyNodeLoader
public EmptyNodeLoader(String name)
-
-
Method Detail
-
load
public SpaceSystem load() throws ConfigurationException, DatabaseLoadException
Description copied from interface:SpaceSystemLoader
loads the SpaceSystem database in memory. Some references may be unresolved- Specified by:
load
in interfaceSpaceSystemLoader
- Throws:
DatabaseLoadException
ConfigurationException
-
needsUpdate
public boolean needsUpdate(RandomAccessFile consistencyDateFile) throws IOException, ConfigurationException
- Specified by:
needsUpdate
in interfaceSpaceSystemLoader
- Parameters:
consistencyDateFile
- check in this file when the last database 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 reasonConfigurationException
-
getConfigName
public String getConfigName() throws ConfigurationException
Description copied from interface:SpaceSystemLoader
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.- Specified by:
getConfigName
in interfaceSpaceSystemLoader
- Returns:
- a string to be used as the filename where the serialised instance will be stored.
- Throws:
ConfigurationException
- in case some of the configuration properties do not exist
-
writeConsistencyDate
public void writeConsistencyDate(FileWriter consistencyDateFile) throws IOException
- Specified by:
writeConsistencyDate
in interfaceSpaceSystemLoader
- 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
-
-