/// <summary>
/// Begins to get the EvictionPolicy for this collection
/// </summary>
/// <param name="asyncCallback">The user-defined delegate that is called when the asynchronous operation has completed.</param>
/// <param name="asyncState">The user-defined object that qualifies or contains information about an asynchronous operation.</param>
/// <returns>An IAsyncResult that represents the asynchronous operation.</returns>
public IAsyncResult BeginGetEvictionPolicy(AsyncCallback asyncCallback)
{
var client = this.Entry.client;
EvictionPolicyPayload payload = new EvictionPolicyPayload(PayloadAction.Get, null, this.Entry.Id, client.ClientId);
var getResult = new SharedAsyncResult<EvictionPolicy>(asyncCallback, this);
client.EnqueueAsyncResult(getResult, payload.PayloadId);
client.SendPublishEvent(payload);
return getResult;
}
/// <summary>
/// Begins to get the EvictionPolicy for this collection
/// </summary>
/// <param name="asyncCallback">The user-defined delegate that is called when the asynchronous operation has completed.</param>
/// <param name="asyncState">The user-defined object that qualifies or contains information about an asynchronous operation.</param>
/// <returns>An IAsyncResult that represents the asynchronous operation.</returns>
public IAsyncResult BeginGetEvictionPolicy(AsyncCallback asyncCallback)
{
var client = this.Entry.client;
EvictionPolicyPayload payload = new EvictionPolicyPayload(PayloadAction.Get, null, this.Entry.Id, client.ClientId);
var getResult = new SharedAsyncResult <EvictionPolicy>(asyncCallback, this);
client.EnqueueAsyncResult(getResult, payload.PayloadId);
client.SendPublishEvent(payload);
return(getResult);
}
/// <summary>
/// Begins to get an ObjectSecurity object that encapsulates the access control list (ACL) entries for a specified object
/// </summary>
/// <param name="obj">The object whose AccessControl information you want to retrieve</param>
/// <param name="asyncCallback">The user-defined delegate that is called when the asynchronous operation has completed.</param>
/// <param name="asyncState">The user-defined object that qualifies or contains information about an asynchronous operation.</param>
/// <returns>An IAsyncResult that represents the asynchronous operation.</returns>
public IAsyncResult BeginGetAccessControl(object obj, AsyncCallback asyncCallback, object asyncState)
{
ISharedObjectEntry entry;
bool isContainer = false;
if (obj == this)
{
// Get the (ACL)s for the root namespace
entry = this;
isContainer = true;
}
else
{
if (obj is SharedCollection)
{
var collection = obj as SharedCollection;
CollectionEntry collectionEntry;
if (!this.CollectionsManager.TryGetValue(collection.Name, out collectionEntry))
{
throw new ArgumentException("obj is not being tracked by this client", "obj");
}
entry = collectionEntry;
isContainer = true;
}
else
{
ObjectEntry objectEntry;
this.ObjectsManager.TryGetValue(obj as INotifyPropertyChanged, out objectEntry);
entry = objectEntry;
}
}
// Client has previously cached the value, return it immediately
if (entry.ObjectSecurity != null)
{
var result = new AsyncResult<SharedObjectSecurity>(asyncCallback, 0);
result.SetAsCompleted(entry.ObjectSecurity, true);
return result;
}
var security = new SharedObjectSecurity(entry.Name, entry.Id, isContainer, new ETag(Guid.Empty));
SharedObjectSecurityPayload payload = new SharedObjectSecurityPayload(PayloadAction.Get, security, this.ClientId);
var getResult = new SharedAsyncResult<SharedObjectSecurity>(asyncCallback, payload.PayloadId);
this.EnqueueAsyncResult(getResult, payload.PayloadId);
this.SendPublishEvent(payload);
return getResult;
}
/// <summary>
/// Begins to get an ObjectSecurity object that encapsulates the access control list (ACL) entries for a specified object
/// </summary>
/// <param name="obj">The object whose AccessControl information you want to retrieve</param>
/// <param name="asyncCallback">The user-defined delegate that is called when the asynchronous operation has completed.</param>
/// <param name="asyncState">The user-defined object that qualifies or contains information about an asynchronous operation.</param>
/// <returns>An IAsyncResult that represents the asynchronous operation.</returns>
public IAsyncResult BeginGetAccessControl(object obj, AsyncCallback asyncCallback, object asyncState)
{
ISharedObjectEntry entry;
bool isContainer = false;
if (obj == this)
{
// Get the (ACL)s for the root namespace
entry = this;
isContainer = true;
}
else
{
if (obj is SharedCollection)
{
var collection = obj as SharedCollection;
CollectionEntry collectionEntry;
if (!this.CollectionsManager.TryGetValue(collection.Name, out collectionEntry))
{
throw new ArgumentException("obj is not being tracked by this client", "obj");
}
entry = collectionEntry;
isContainer = true;
}
else
{
ObjectEntry objectEntry;
this.ObjectsManager.TryGetValue(obj as INotifyPropertyChanged, out objectEntry);
entry = objectEntry;
}
}
// Client has previously cached the value, return it immediately
if (entry.ObjectSecurity != null)
{
var result = new AsyncResult <SharedObjectSecurity>(asyncCallback, 0);
result.SetAsCompleted(entry.ObjectSecurity, true);
return(result);
}
var security = new SharedObjectSecurity(entry.Name, entry.Id, isContainer, new ETag(Guid.Empty));
SharedObjectSecurityPayload payload = new SharedObjectSecurityPayload(PayloadAction.Get, security, this.ClientId);
var getResult = new SharedAsyncResult <SharedObjectSecurity>(asyncCallback, payload.PayloadId);
this.EnqueueAsyncResult(getResult, payload.PayloadId);
this.SendPublishEvent(payload);
return(getResult);
}
// Send method for operations with callbacks. Store the callback in a queue for retrieval upon completion of server operation.
private void SendPayload <T>(InterlockedPropertyInfo propInfo, AtomicOperators operation, Action <T> callback, params T[] parameters)
{
AtomicPayload payload =
new AtomicPayload
(
this.Client.ClientId,
propInfo.ObjectId,
propInfo.Property.Index,
propInfo.PropertyType.AssemblyQualifiedName,
operation,
parameters.Select(p => Json.WriteObject(p)).ToArray()
);
// For operations with callbacks, we need to create an async result and queue it up for retrieval when the server operation completes
if (callback != null)
{
var getResult = new SharedAsyncResult <T>(EndSendAtomicPayload <T>, payload.PayloadId, callback);
this.Client.EnqueueAsyncResult(getResult, payload.PayloadId);
}
this.Client.SendPublishEvent(payload);
}
private void CompleteAsyncResult <T>(SharedAsyncResult <T> result, T value, ushort payloadId)
{
result.SetAsCompleted(value, false);
activeAsyncOperations.Remove(payloadId);
}
