private async Task MarkFreeSpaceAsync(SqoTypeInfo ti)
{
ObjectSerializer serializer = SerializerFactory.GetSerializer(this.path, GetFileByType(ti), useElevatedTrust);
int nrRecords = ti.Header.numberOfRecords;
List <FieldSqoInfo> existingDynamicFields = new List <FieldSqoInfo>();
foreach (FieldSqoInfo ai in ti.Fields)
{
IByteTransformer byteTrans = ByteTransformerFactory.GetByteTransformer(null, null, ai, ti);
if (byteTrans is ArrayByteTranformer || byteTrans is DictionaryByteTransformer)
{
existingDynamicFields.Add(ai);
}
}
if (existingDynamicFields.Count > 0)
{
for (int i = 0; i < nrRecords; i++)
{
int oid = i + 1;
foreach (FieldSqoInfo ai in existingDynamicFields)
{
ATuple <int, int> arrayInfo = await this.GetArrayMetaOfFieldAsync(ti, oid, ai).ConfigureAwait(false);
if (arrayInfo.Name > 0)
{
await rawSerializer.MarkRawInfoAsFreeAsync(arrayInfo.Name).ConfigureAwait(false);//this helps Shrink method to detect unused rawdata blocks.
}
}
}
}
}
private void MarkObjectAsDelete(ObjectSerializer serializer, int oid, SqoTypeInfo ti)
{
foreach (FieldSqoInfo ai in ti.Fields)
{
IByteTransformer byteTrans = ByteTransformerFactory.GetByteTransformer(null, null, ai, ti);
if (byteTrans is ArrayByteTranformer || byteTrans is DictionaryByteTransformer)
{
ATuple <int, int> arrayInfo = this.GetArrayMetaOfField(ti, oid, ai);
if (arrayInfo.Name > 0)
{
rawSerializer.MarkRawInfoAsFree(arrayInfo.Name);//this helps Shrink method to detect unused rawdata blocks.
}
}
}
serializer.MarkObjectAsDelete(oid, ti);
}
private async Task MarkObjectAsDeleteAsync(ObjectSerializer serializer, int oid, SqoTypeInfo ti)
{
foreach (FieldSqoInfo ai in ti.Fields)
{
IByteTransformer byteTrans = ByteTransformerFactory.GetByteTransformer(null, null, ai, ti);
if (byteTrans is ArrayByteTranformer || byteTrans is DictionaryByteTransformer)
{
ATuple <int, int> arrayInfo = await this.GetArrayMetaOfFieldAsync(ti, oid, ai).ConfigureAwait(false);
if (arrayInfo.Name > 0)
{
await rawSerializer.MarkRawInfoAsFreeAsync(arrayInfo.Name).ConfigureAwait(false);//this helps Shrink method to detect unused rawdata blocks.
}
}
}
await serializer.MarkObjectAsDeleteAsync(oid, ti).ConfigureAwait(false);
}