protected override void Process(FieldMetadata field)
{
if (!field.IsVirtual() && field.HasIndex())
{
this._enclosing.ProcessBTree(context, field.GetIndex(context.SystemTrans()));
}
}
public override void Defrag(ClassMetadata classMetadata, ClassAspect aspect, LatinStringIO
sio, DefragmentContextImpl context)
{
base.Defrag(classMetadata, aspect, sio, context);
if (!(aspect is FieldMetadata))
{
return;
}
FieldMetadata field = (FieldMetadata)aspect;
if (field.IsVirtual())
{
return;
}
if (field.HasIndex())
{
BTree index = field.GetIndex(context.SystemTrans());
int targetIndexID = context.CopyID();
if (targetIndexID != 0)
{
index.DefragBTree(context.Services());
}
}
else
{
context.WriteInt(0);
}
}
public void TestIndexingLowLevel()
{
LocalObjectContainer container = Fixture().FileSession();
ClassMetadata classMetadata = container.ClassMetadataForReflectClass(container.Reflector().ForClass(typeof(Item)));
FieldMetadata fieldMetadata = classMetadata.FieldMetadataForName("_asByte");
Assert.IsTrue(fieldMetadata.CanLoadByIndex(), "EnumTypeHandler should be indexable.");
BTree index = fieldMetadata.GetIndex(container.SystemTransaction());
Assert.IsNotNull(index, "No btree index found for enum field.");
}
public void TestIndexingLowLevel()
{
LocalObjectContainer container = Fixture().FileSession();
ClassMetadata classMetadata = container.ClassMetadataForReflectClass(container.Reflector().ForClass(typeof(ValueTypeHolder)));
FieldMetadata fieldMetadata = classMetadata.FieldMetadataForName("Value");
Assert.IsTrue(fieldMetadata.CanLoadByIndex(), WithTypeName("Typehandler for type {0} should be indexable."));
BTree index = fieldMetadata.GetIndex(container.SystemTransaction());
Assert.IsNotNull(index, WithTypeName("No btree index found for field of type {0} ."));
}
public override void Write(Transaction trans, ClassMetadata clazz, ClassAspect aspect
, ByteArrayBuffer writer)
{
base.Write(trans, clazz, aspect, writer);
if (!(aspect is FieldMetadata))
{
return;
}
FieldMetadata field = (FieldMetadata)aspect;
if (!HasBTreeIndex(field))
{
return;
}
writer.WriteIDOf(trans, field.GetIndex(trans));
}