public _IVisitor4_284(IPassCommand command, DefragmentServicesImpl context, ClassMetadata
curClass)
{
this.command = command;
this.context = context;
this.curClass = curClass;
}
/// <exception cref="Db4objects.Db4o.CorruptionException"></exception>
/// <exception cref="System.IO.IOException"></exception>
private static void Pass(DefragmentServicesImpl context, DefragmentConfig config,
IPassCommand command)
{
command.ProcessClassCollection(context);
IStoredClass[] classes = context.StoredClasses(DefragmentServicesImpl.Sourcedb);
for (int classIdx = 0; classIdx < classes.Length; classIdx++)
{
ClassMetadata classMetadata = (ClassMetadata)classes[classIdx];
if (!config.StoredClassFilter().Accept(classMetadata))
{
continue;
}
ProcessClass(context, classMetadata, command);
command.Flush(context);
if (config.ObjectCommitFrequency() > 0)
{
context.TargetCommit();
}
}
BTree uuidIndex = context.SourceUuidIndex();
if (uuidIndex != null)
{
command.ProcessBTree(context, uuidIndex);
}
command.Flush(context);
context.TargetCommit();
}
/// <exception cref="Db4objects.Db4o.CorruptionException"></exception>
/// <exception cref="System.IO.IOException"></exception>
private static void ProcessClassIndex(DefragmentServicesImpl context, ClassMetadata
curClass, IPassCommand command)
{
if (curClass.HasClassIndex())
{
BTreeClassIndexStrategy indexStrategy = (BTreeClassIndexStrategy)curClass.Index();
BTree btree = indexStrategy.Btree();
command.ProcessBTree(context, btree);
}
}
// TODO order of class index/object slot processing is crucial:
// - object slots before field indices (object slots register addresses for
// use by string indices)
// - class index before object slots, otherwise phantom btree entries from
// deletions appear in the source class index?!?
// reproducable with SelectiveCascadingDeleteTestCase and ObjectSetTestCase
// - investigate.
/// <exception cref="Db4objects.Db4o.CorruptionException"></exception>
/// <exception cref="System.IO.IOException"></exception>
private static void ProcessClass(DefragmentServicesImpl context, ClassMetadata curClass
, IPassCommand command)
{
ProcessClassIndex(context, curClass, command);
if (!ParentHasIndex(curClass))
{
ProcessObjectsForClass(context, curClass, command);
}
ProcessClassAndFieldIndices(context, curClass, command);
}
/// <exception cref="Db4objects.Db4o.CorruptionException"></exception>
/// <exception cref="System.IO.IOException"></exception>
private static void ProcessClassAndFieldIndices(DefragmentServicesImpl context, ClassMetadata
curClass, IPassCommand command)
{
int sourceClassIndexID = 0;
int targetClassIndexID = 0;
if (curClass.HasClassIndex())
{
sourceClassIndexID = curClass.Index().Id();
targetClassIndexID = context.MappedID(sourceClassIndexID, -1);
}
command.ProcessClass(context, curClass, curClass.GetID(), targetClassIndexID);
}
private static void ProcessObjectsForClass(DefragmentServicesImpl context, ClassMetadata
curClass, IPassCommand command)
{
context.TraverseAll(curClass, new _IVisitor4_284(command, context, curClass));
}
private static void Registra(IPassCommand cmd)
{
_commands.Add(cmd.GetName(), cmd);
}
/// <exception cref="Db4objects.Db4o.CorruptionException"></exception>
/// <exception cref="System.IO.IOException"></exception>
private static void ProcessClassAndFieldIndices(DefragmentServicesImpl context, ClassMetadata
curClass, IPassCommand command)
{
int sourceClassIndexID = 0;
int targetClassIndexID = 0;
if (curClass.HasClassIndex())
{
sourceClassIndexID = curClass.Index().Id();
targetClassIndexID = context.MappedID(sourceClassIndexID, -1);
}
command.ProcessClass(context, curClass, curClass.GetID(), targetClassIndexID);
}
/// <exception cref="Db4objects.Db4o.CorruptionException"></exception>
/// <exception cref="System.IO.IOException"></exception>
private static void ProcessClassIndex(DefragmentServicesImpl context, ClassMetadata
curClass, IPassCommand command)
{
if (curClass.HasClassIndex())
{
BTreeClassIndexStrategy indexStrategy = (BTreeClassIndexStrategy)curClass.Index();
BTree btree = indexStrategy.Btree();
command.ProcessBTree(context, btree);
}
}
public _IVisitor4_284(IPassCommand command, DefragmentServicesImpl context, ClassMetadata
curClass)
{
this.command = command;
this.context = context;
this.curClass = curClass;
}
private static void ProcessObjectsForClass(DefragmentServicesImpl context, ClassMetadata
curClass, IPassCommand command)
{
context.TraverseAll(curClass, new _IVisitor4_284(command, context, curClass));
}
// TODO order of class index/object slot processing is crucial:
// - object slots before field indices (object slots register addresses for
// use by string indices)
// - class index before object slots, otherwise phantom btree entries from
// deletions appear in the source class index?!?
// reproducable with SelectiveCascadingDeleteTestCase and ObjectSetTestCase
// - investigate.
/// <exception cref="Db4objects.Db4o.CorruptionException"></exception>
/// <exception cref="System.IO.IOException"></exception>
private static void ProcessClass(DefragmentServicesImpl context, ClassMetadata curClass
, IPassCommand command)
{
ProcessClassIndex(context, curClass, command);
if (!ParentHasIndex(curClass))
{
ProcessObjectsForClass(context, curClass, command);
}
ProcessClassAndFieldIndices(context, curClass, command);
}
/// <exception cref="Db4objects.Db4o.CorruptionException"></exception>
/// <exception cref="System.IO.IOException"></exception>
private static void Pass(DefragmentServicesImpl context, DefragmentConfig config,
IPassCommand command)
{
command.ProcessClassCollection(context);
IStoredClass[] classes = context.StoredClasses(DefragmentServicesImpl.Sourcedb);
for (int classIdx = 0; classIdx < classes.Length; classIdx++)
{
ClassMetadata classMetadata = (ClassMetadata)classes[classIdx];
if (!config.StoredClassFilter().Accept(classMetadata))
{
continue;
}
ProcessClass(context, classMetadata, command);
command.Flush(context);
if (config.ObjectCommitFrequency() > 0)
{
context.TargetCommit();
}
}
BTree uuidIndex = context.SourceUuidIndex();
if (uuidIndex != null)
{
command.ProcessBTree(context, uuidIndex);
}
command.Flush(context);
context.TargetCommit();
}
private static void Registra(IPassCommand cmd)
{
_commands.Add(cmd.GetName(), cmd);
}
