public Stream GetStream()
{
var raw = RawData;
if (raw == null)
{
return(null);
}
var stream = raw.Stream;
if (stream != null)
{
return(CloneStream(stream));
}
if (OwnerNode == null)
{
return(null);
}
// Itt töltöm be, és adom vissza a Stream-et.
// Ezt kéne megoldani úgy, hogy RepositoryStream-et adok vissza - a RepositoryStream-et ezek szerint VersionId - PropTypeId-val kell kezelni
// A cache felelõsséget most átnyomom a DBS-re
return(DataBackingStore.GetBinaryStream2(OwnerNode.Id, OwnerNode.VersionId, PropertyType.Id));
//return DataBackingStore.GetBinaryStream(OwnerNode.VersionId, PropertyType.Id);
}
public Stream GetStream()
{
var raw = RawData;
if (raw == null)
{
return(null);
}
var stream = raw.Stream;
if (stream != null)
{
return(CloneStream(stream));
}
if (OwnerNode == null)
{
return(null);
}
if (this.OwnerNode.SavingState != ContentSavingState.Finalized)
{
throw new InvalidOperationException(SR.GetString(SR.Exceptions.General.Error_AccessToNotFinalizedBinary_2, this.OwnerNode.Path, this.PropertyType.Name));
}
return(DataBackingStore.GetBinaryStream2(OwnerNode.Id, OwnerNode.VersionId, PropertyType.Id));
//return DataBackingStore.GetBinaryStream(OwnerNode.VersionId, PropertyType.Id);
}
/// <summary>Preloads all uncached text properties to avoid more than one database access.</summary>
internal void PreloadTextProperties()
{
if (Id == 0)
{
return;
}
if (!this.IsShared)
{
if (this.SharedData != null)
{
this.SharedData.PreloadTextProperties();
}
return;
}
var notLoadedTextPropertyTypeIds = this.TextPropertyIds.Where(p => !dynamicData.ContainsKey(p)).ToArray();
var data = DataBackingStore.LoadTextProperties(this.VersionId, notLoadedTextPropertyTypeIds);
foreach (var id in notLoadedTextPropertyTypeIds)
{
string value = null;
data.TryGetValue(id, out value);
dynamicData[id] = value;
}
}
private object LoadProperty(PropertyType propertyType)
{
var propId = propertyType.Id;
lock (_readPropertySync)
{
if (dynamicData.ContainsKey(propId))
{
return(dynamicData[propId]);
}
}
object data;
if (propertyType.DataType == DataType.Text)
{
PreloadTextProperties();
lock (_readPropertySync)
return((dynamicData.TryGetValue(propId, out data)) ? data : null);
}
data = DataBackingStore.LoadProperty(this.VersionId, propertyType);
lock (_readPropertySync)
dynamicData[propId] = data;
return(data);
}
private object LoadProperty(PropertyType propertyType)
{
var propId = propertyType.Id;
lock (_readPropertySync)
{
if (dynamicData.ContainsKey(propId))
{
return(dynamicData[propId]);
}
}
object data = DataBackingStore.LoadProperty(this.VersionId, propertyType);
lock (_readPropertySync)
{
if (!dynamicData.ContainsKey(propId))
{
dynamicData.Add(propId, data);
}
}
return(data);
}
internal static bool NodeExists(string path)
{
if (path == null)
{
throw new ArgumentNullException("path");
}
if (!CanExistInDatabase(path))
{
return(false);
}
// Look at the cache first
var pathKey = DataBackingStore.CreateNodeHeadPathCacheKey(path);
if (DistributedApplication.Cache.Get(pathKey) as NodeHead != null)
{
return(true);
}
// If it wasn't in the cache, check the database
return(DataProvider.NodeExists(path));
}
public void Rollback()
{
DataBackingStore.OnNodeDataRollback(this);
}
public void Commit()
{
DataBackingStore.RemoveFromCache(this);
}
public static IEnumerable <NodeHead> Get(IEnumerable <int> idArray)
{
return(DataBackingStore.GetNodeHeads(idArray));
}
public static NodeHead Get(string path)
{
return(DataBackingStore.GetNodeHead(path));
}
public static NodeHead GetByVersionId(int versionId)
{
return(DataBackingStore.GetNodeHeadByVersionId(versionId));
}
public static NodeHead Get(int nodeId)
{
return(DataBackingStore.GetNodeHead(nodeId));
}
public void Commit()
{
DataBackingStore.OnNodeDataCommit(this);
}