public static ClusterTopologyResponse TryLoad(string topologyHash, JsonOperationContext context)
{
try
{
var path = GetPath(topologyHash);
if (File.Exists(path) == false)
{
return(null);
}
using (var stream = SafeFileStream.Create(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
using (var blittableJsonReaderObject = context.Read(stream, "raven-cluster-topology"))
{
return(JsonDeserializationClient.ClusterTopology(blittableJsonReaderObject));
}
}
catch (Exception e)
{
if (_logger.IsInfoEnabled)
{
_logger.Info("Could not understand the persisted cluster topology", e);
}
return(null);
}
}
public static async Task <ClusterTopologyResponse> TryLoadAsync(string topologyHash, DocumentConventions conventions, JsonOperationContext context)
{
try
{
if (conventions.DisableTopologyCache)
{
return(null);
}
var path = GetPath(topologyHash, conventions);
if (File.Exists(path) == false)
{
return(null);
}
using (var stream = SafeFileStream.Create(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
using (var json = await context.ReadForMemoryAsync(stream, "raven-cluster-topology").ConfigureAwait(false))
{
return(JsonDeserializationClient.ClusterTopology(json));
}
}
catch (Exception e)
{
if (_logger.IsInfoEnabled)
{
_logger.Info("Could not understand the persisted cluster topology", e);
}
return(null);
}
}
public override void SetResponse(BlittableJsonReaderObject response, bool fromCache)
{
if (response == null)
{
return;
}
Result = JsonDeserializationClient.ClusterTopology(response);
}
public static Topology TryLoadTopologyFromLocalCache(string serverHash, JsonOperationContext context)
{
try
{
var path = GetTopologyPath(serverHash);
if (File.Exists(path) == false)
{
return(null);
}
using (var stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
using (var blittableJsonReaderObject = context.Read(stream, "raven-topology"))
{
return(JsonDeserializationClient.ClusterTopology(blittableJsonReaderObject));
}
}
}
catch (Exception e)
{
Log.ErrorException("Could not understand the persisted replication information", e);
return(null);
}
}
public override void SetResponse(BlittableJsonReaderObject response)
{
Result = JsonDeserializationClient.ClusterTopology(response);
}