/// <summary>
/// Retrieve the list of keys fron the cache for the given group or sub group.
/// </summary>
protected HashVector Clustered_GetData(string group, string subGroup, OperationContext operationContext)
{
HashVector table = new HashVector();
try
{
Function func = new Function((int)OpCodes.GetData, new object[] { group, subGroup, operationContext }, true);
func.Cancellable = true;
RspList results = Cluster.BroadcastToServers(func, GroupRequest.GET_ALL, false);
if (results == null)
{
return(null);
}
ClusterHelper.ValidateResponses(results, typeof(HashVector), Name);
IList rspList = ClusterHelper.GetAllNonNullRsp(results, typeof(HashVector));
if (rspList.Count <= 0)
{
return(null);
}
else
{
IEnumerator im = rspList.GetEnumerator();
while (im.MoveNext())
{
Rsp rsp = (Rsp)im.Current;
HashVector cTable = (HashVector)rsp.Value;
if (cTable != null)
{
IDictionaryEnumerator ide = cTable.GetEnumerator();
while (ide.MoveNext())
{
table[ide.Key] = ide.Value;
}
}
}
}
}
catch (CacheException e)
{
throw;
}
catch (Exception e)
{
throw new GeneralFailureException(e.Message, e);
}
return(table);
}
/// <summary>
/// Remove the objects from the cluster.
/// </summary>
/// <param name="keys">keys of the entries.</param>
/// <returns>list of failed keys</returns>
/// <remarks>
/// This method invokes <see cref="handleRemove"/> on every server node in the cluster.
/// </remarks>
protected Hashtable Clustered_RemoveGroup(string group, string subGroup, bool notify, OperationContext operationContext)
{
Hashtable removedEntries = new Hashtable();
try
{
Function func = new Function((int)OpCodes.RemoveGroup, new object[] { group, subGroup, notify, operationContext }, false);
func.Cancellable = true;
RspList results = Cluster.BroadcastToServers(func, GroupRequest.GET_ALL, false);
if (results == null)
{
return(removedEntries);
}
ClusterHelper.ValidateResponses(results, typeof(Hashtable), Name);
IList rspList = ClusterHelper.GetAllNonNullRsp(results, typeof(Hashtable));
if (rspList.Count <= 0)
{
return(removedEntries);
}
IEnumerator ia = rspList.GetEnumerator();
while (ia.MoveNext())
{
Rsp rsp = (Rsp)ia.Current;
Hashtable removed = (Hashtable)rsp.Value;
IDictionaryEnumerator ide = removed.GetEnumerator();
while (ide.MoveNext())
{
removedEntries.Add(ide.Key, ide.Value);
}
}
}
catch (CacheException e)
{
throw;
}
catch (Exception e)
{
throw new GeneralFailureException(e.Message, e);
}
return(removedEntries);
}
/// <summary>
/// Retrieve the list of keys fron the cache for the given group or sub group.
/// </summary>
protected ArrayList Clustered_GetKeys(ArrayList dests, string group, string subGroup)
{
ArrayList list = new ArrayList();
try
{
Function func = new Function((int)OpCodes.GetKeys, new object[] { group, subGroup }, true);
func.Cancellable = true;
RspList results = Cluster.Multicast(dests, func, GroupRequest.GET_ALL, false);
if (results == null)
{
return(null);
}
ClusterHelper.ValidateResponses(results, typeof(ArrayList), Name);
IList rspList = ClusterHelper.GetAllNonNullRsp(results, typeof(ClusteredArrayList));
if (rspList.Count <= 0)
{
return(null);
}
else
{
IEnumerator im = rspList.GetEnumerator();
while (im.MoveNext())
{
Rsp rsp = (Rsp)im.Current;
ArrayList cList = (ArrayList)rsp.Value;
if (cList != null)
{
list.AddRange(cList);
}
}
}
}
catch (CacheException e)
{
throw;
}
catch (Exception e)
{
throw new GeneralFailureException(e.Message, e);
}
return(list);
}
protected QueryResultSet Clustered_Search(ArrayList dests, string queryText, IDictionary values, bool excludeSelf, OperationContext operationContext)
{
QueryResultSet resultSet = new QueryResultSet();
try
{
Function func = new Function((int)OpCodes.Search, new object[] { queryText, values, operationContext }, excludeSelf);
RspList results = Cluster.BroadcastToMultiple(dests, func, GroupRequest.GET_ALL, false);
if (results == null)
{
return(null);
}
ClusterHelper.ValidateResponses(results, typeof(QueryResultSet), Name);
ArrayList rspList = ClusterHelper.GetAllNonNullRsp(results, typeof(QueryResultSet));
if (rspList.Count <= 0)
{
return(null);
}
else
{
IEnumerator im = rspList.GetEnumerator();
while (im.MoveNext())
{
Rsp rsp = (Rsp)im.Current;
QueryResultSet cRestultSet = (QueryResultSet)rsp.Value;
resultSet.Compile(cRestultSet);
}
}
return(resultSet);
}
catch (CacheException e)
{
throw;
}
catch (Exception e)
{
throw new GeneralFailureException(e.Message, e);
}
}
/// <summary>
/// Remove the objects from the cluster.
/// </summary>
/// <param name="keys">keys of the entries.</param>
/// <returns>list of failed keys</returns>
/// <remarks>
/// This method invokes <see cref="handleRemove"/> on every server node in the cluster.
/// </remarks>
protected Hashtable Clustered_Remove(Address dest, object[] keys, ItemRemoveReason ir, Caching.Notifications notification, string taskId, string providerName, bool notify, OperationContext operationContext)
{
if (ServerMonitor.MonitorActivity)
{
ServerMonitor.LogClientActivity("PartCacheBase.RemoveBlk", "");
}
Hashtable removedEntries = new Hashtable();
ArrayList dests = new ArrayList();
dests.Add(dest);
try
{
Function func = new Function((int)OpCodes.Remove, new object[] { keys, ir, notify, notification, taskId, providerName, operationContext }, false);
func.Cancellable = true;
RspList results = Cluster.Multicast(dests, func, GetFirstResponse, false);
if (results == null)
{
return(removedEntries);
}
if (results.SuspectedMembers.Count == dests.Count)
{
//All the members of this group has gone down.
//we must try this operation on some other group.
throw new Runtime.Exceptions.SuspectedException("operation failed because the group member was suspected");
}
ClusterHelper.ValidateResponses(results, typeof(Hashtable), Name);
IList rspList = ClusterHelper.GetAllNonNullRsp(results, typeof(Hashtable));
if (rspList.Count <= 0)
{
return(removedEntries);
}
IEnumerator ia = rspList.GetEnumerator();
while (ia.MoveNext())
{
if (operationContext.CancellationToken != null && operationContext.CancellationToken.IsCancellationRequested)
{
throw new OperationCanceledException(ExceptionsResource.OperationFailed);
}
Rsp rsp = (Rsp)ia.Current;
Hashtable removed = (Hashtable)rsp.Value;
IDictionaryEnumerator ide = removed.GetEnumerator();
while (ide.MoveNext())
{
if (!removedEntries.ContainsKey(ide.Key))
{
removedEntries.Add(ide.Key, ide.Value);
}
}
}
}
catch (CacheException e)
{
throw;
}
catch (Exception e)
{
throw new GeneralFailureException(e.Message, e);
}
return(removedEntries);
}
