/// <exception cref="System.IO.IOException"></exception>
public DefragmentServicesImpl(DefragmentConfig defragConfig, IDefragmentListener
listener)
{
_listener = listener;
Config4Impl originalConfig = (Config4Impl)defragConfig.Db4oConfig();
IStorage storage = defragConfig.BackupStorage();
if (defragConfig.ReadOnly())
{
storage = new NonFlushingStorage(storage);
}
Config4Impl sourceConfig = PrepareConfig(originalConfig, storage, defragConfig.ReadOnly
());
_sourceDb = (LocalObjectContainer)Db4oFactory.OpenFile(sourceConfig, defragConfig
.TempPath()).Ext();
_sourceDb.ShowInternalClasses(true);
defragConfig.Db4oConfig().BlockSize(_sourceDb.BlockSize());
if (!originalConfig.GenerateCommitTimestamps().DefiniteNo())
{
defragConfig.Db4oConfig().GenerateCommitTimestamps(_sourceDb.Config().GenerateCommitTimestamps
().DefiniteYes());
}
_targetDb = FreshTargetFile(defragConfig);
_mapping = defragConfig.Mapping();
_mapping.Open();
_defragConfig = defragConfig;
}
private TransactionLogHandler NewTransactionLogHandler(LocalObjectContainer container
)
{
var fileBased = container.Config().FileBasedTransactionLog() && container is IoAdaptedObjectContainer;
if (!fileBased)
{
return new EmbeddedTransactionLogHandler(container);
}
var fileName = ((IoAdaptedObjectContainer) container).FileName();
return new FileBasedTransactionLogHandler(container, fileName);
}
public override void Convert(ConversionStage.SystemUpStage stage)
{
LocalObjectContainer container = stage.File();
if (!container.Config().GenerateCommitTimestamps().DefiniteYes())
{
return;
}
container.ClassCollection().WriteAllClasses();
BuildCommitTimestampIndex(container);
container.SystemTransaction().Commit();
}
private TransactionLogHandler NewTransactionLogHandler(LocalObjectContainer container
)
{
bool fileBased = container.Config().FileBasedTransactionLog() && container is IoAdaptedObjectContainer;
if (!fileBased)
{
return(new EmbeddedTransactionLogHandler(container));
}
string fileName = ((IoAdaptedObjectContainer)container).FileName();
return(new FileBasedTransactionLogHandler(container, fileName));
}
