private void Defrag(IConfiguration config)
{
Sharpen.IO.File origFile = new Sharpen.IO.File(GetAbsolutePath());
if (origFile.Exists())
{
try
{
string backupFile = GetAbsolutePath() + ".defrag.backup";
IIdMapping mapping = new InMemoryIdMapping();
// new
// BTreeIDMapping(getAbsolutePath()+".defrag.mapping",4096,1,1000);
DefragmentConfig defragConfig = new DefragmentConfig(GetAbsolutePath(), backupFile
, mapping);
defragConfig.ForceBackupDelete(true);
// FIXME Cloning is ugly - wrap original in Decorator within
// DefragContext instead?
IConfiguration clonedConfig = (IConfiguration)((IDeepClone)config).DeepClone(null
);
defragConfig.Db4oConfig(clonedConfig);
Db4objects.Db4o.Defragment.Defragment.Defrag(defragConfig, new _IDefragmentListener_64
());
}
catch (IOException e)
{
Sharpen.Runtime.PrintStackTrace(e);
}
}
}
protected override IObjectContainer CreateDatabase(IConfiguration config)
{
var origFile = new File(GetAbsolutePath());
if (origFile.Exists())
{
try
{
var backupFile = GetAbsolutePath() + ".defrag.backup";
IIdMapping mapping = new InMemoryIdMapping();
// new
// BTreeIDMapping(getAbsolutePath()+".defrag.mapping",4096,1,1000);
var defragConfig = new DefragmentConfig(GetAbsolutePath(), backupFile
, mapping);
defragConfig.ForceBackupDelete(true);
// FIXME Cloning is ugly - wrap original in Decorator within
// DefragContext instead?
var clonedConfig = (IConfiguration)((IDeepClone)config).DeepClone(null
);
defragConfig.Db4oConfig(clonedConfig);
Db4objects.Db4o.Defragment.Defragment.Defrag(defragConfig, new _IDefragmentListener_30
());
}
catch (IOException e)
{
Runtime.PrintStackTrace(e);
}
}
return(base.CreateDatabase(config));
}
public void SetMappingImplementation()
{
// #example: Choose a id mapping system
IIdMapping mapping = new InMemoryIdMapping();
DefragmentConfig config = new DefragmentConfig("database.db4o", "database.db4o.back", mapping);
Defragment.Defrag(config);
// #end example
}
