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.
}
}
}
}
}
public List <Tile> Run(Tile start, Tile end)
{
List <ATuple> open = new List <ATuple>();
Dictionary <Point, double> costSoFar = new Dictionary <Point, double>();
open.Add(new ATuple()
{
tile = start,
parent = null,
heuristique_remaining = heuristique(start.Position, end.Position),
real_cost_to_get_here = 0
});
while (true)
{
open.Sort((atuple1, atuple2) => atuple1.f().CompareTo(atuple2.f()));
if (open.Count == 0)
{
// TODO
return(null);
}
var current_tuple = open[0];
open.Remove(current_tuple);
if (current_tuple.tile.Position.Equals(end.Position))
{
return(ConstructPath(current_tuple));
}
foreach (var neighbor in GetNeighbors(current_tuple.tile, end))
{
ATuple next = new ATuple()
{
tile = neighbor,
parent = current_tuple,
real_cost_to_get_here = current_tuple.real_cost_to_get_here + GetCostToWalkUponTile(neighbor),
heuristique_remaining = heuristique(neighbor.Position, end.Position)
};
//if (neighbor_value_in_open == null)
if (!costSoFar.ContainsKey(neighbor.Position))
{
open.Add(next);
costSoFar[neighbor.Position] = next.f();
}
else if (costSoFar[neighbor.Position] > next.f())
{
var neighbor_value_in_open = open.Find(atuple => atuple.tile.Position.Equals(neighbor.Position));
open.Remove(neighbor_value_in_open);
open.Add(next);
}
}
}
}
public List <Tile> ConstructPath(ATuple final)
{
List <Tile> tiles = new List <Tile>();
ATuple current = final;
while (current.parent != null)
{
tiles.Add(current.tile);
current = current.parent;
}
tiles.Add(current.tile);
tiles.Reverse();
return(tiles);
}
internal async Task SaveObjectPartiallyByFieldsAsync(object obj, SqoTypeInfo ti, string[] fields)
{
foreach (string fieldName in fields)
{
ATuple <int, object> val = MetaExtractor.GetPartialObjectInfo(obj, ti, fieldName, metaCache);
object objOfProp = val.Value;
int oid = val.Name;
if (oid == 0)
{
throw new Sqo.Exceptions.SiaqodbException("Only updates are allowed through this method.");
}
await this.SaveValueAsync(oid, fieldName, ti, objOfProp).ConfigureAwait(false);
}
}
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);
}
public async Task <byte[]> GetBytesAsync(object obj)
{
ATuple <int, int> arrayMeta = null;
if (parentOID > 0)//means already exists the rawOID
{
arrayMeta = await serializer.GetArrayMetaOfFieldAsync(ti, parentOID, fi).ConfigureAwait(false);
}
if (fi.AttributeTypeId == (MetaExtractor.ArrayTypeIDExtra + MetaExtractor.textID))
{
return(await rawSerializer.SerializeArrayAsync(obj, fi.AttributeType, fi.Header.Length, fi.Header.RealLength, ti.Header.version, arrayMeta, this.serializer, true).ConfigureAwait(false));
}
else
{
return(await rawSerializer.SerializeArrayAsync(obj, fi.AttributeType, fi.Header.Length, fi.Header.RealLength, ti.Header.version, arrayMeta, this.serializer, false).ConfigureAwait(false));
}
}
public byte[] GetBytes(object obj)
{
ATuple <int, int> arrayMeta = null;
if (parentOID > 0)//means already exists the rawOID
{
arrayMeta = serializer.GetArrayMetaOfField(ti, parentOID, fi);
}
if (fi.AttributeTypeId == (MetaExtractor.ArrayTypeIDExtra + MetaExtractor.textID))
{
return(rawSerializer.SerializeArray(obj, fi.AttributeType, fi.Header.Length, fi.Header.RealLength, ti.Header.version, arrayMeta, this.serializer, true));
}
else
{
return(rawSerializer.SerializeArray(obj, fi.AttributeType, fi.Header.Length, fi.Header.RealLength, ti.Header.version, arrayMeta, this.serializer, false));
}
}
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);
}
internal async Task SaveObjectPartiallyAsync(object obj, SqoTypeInfo ti, string[] properties)
{
foreach (string path in properties)
{
string[] arrayPath = path.Split('.');
PropertyInfo property;
Type type = ti.Type;
object objOfProp = obj;
SqoTypeInfo tiOfProp = ti;
int oid = -1;
string backingField = null;
foreach (var include in arrayPath)
{
if ((property = type.GetProperty(include)) == null)
{
throw new Sqo.Exceptions.SiaqodbException("Property:" + include + " does not belong to Type:" + type.FullName);
}
backingField = ExternalMetaHelper.GetBackingField(property);
tiOfProp = this.GetSqoTypeInfoSoft(type);
ATuple <int, object> val = MetaExtractor.GetPartialObjectInfo(objOfProp, tiOfProp, backingField, metaCache);
objOfProp = val.Value;
oid = val.Name;
if (oid == 0)
{
throw new Sqo.Exceptions.SiaqodbException("Only updates are allowed through this method.");
}
type = property.PropertyType;
}
object oldPropVal = await indexManager.GetValueForFutureUpdateIndexAsync(oid, backingField, tiOfProp);
await this.SaveValueAsync(oid, backingField, tiOfProp, objOfProp).ConfigureAwait(false);
await indexManager.UpdateIndexesAsync(oid, backingField, tiOfProp, oldPropVal, objOfProp);
}
}
