THRIFT-3397 Implement TProcessorFactory in C# to enable per-client processors
Client: C#
Patch: Jonathan Heard

This closes #663
diff --git a/lib/csharp/src/Server/TThreadPoolServer.cs b/lib/csharp/src/Server/TThreadPoolServer.cs
index 4c201e9..f0c7fe4 100644
--- a/lib/csharp/src/Server/TThreadPoolServer.cs
+++ b/lib/csharp/src/Server/TThreadPoolServer.cs
@@ -38,7 +38,7 @@
     private volatile bool stop = false;
 
     public TThreadPoolServer(TProcessor processor, TServerTransport serverTransport)
-      : this(processor, serverTransport,
+        : this(new TSingletonProcessorFactory(processor), serverTransport,
          new TTransportFactory(), new TTransportFactory(),
          new TBinaryProtocol.Factory(), new TBinaryProtocol.Factory(),
          DEFAULT_MIN_THREADS, DEFAULT_MAX_THREADS, DefaultLogDelegate)
@@ -46,33 +46,43 @@
     }
 
     public TThreadPoolServer(TProcessor processor, TServerTransport serverTransport, LogDelegate logDelegate)
-      : this(processor, serverTransport,
+        : this(new TSingletonProcessorFactory(processor), serverTransport,
          new TTransportFactory(), new TTransportFactory(),
          new TBinaryProtocol.Factory(), new TBinaryProtocol.Factory(),
          DEFAULT_MIN_THREADS, DEFAULT_MAX_THREADS, logDelegate)
     {
     }
 
-
     public TThreadPoolServer(TProcessor processor,
+     TServerTransport serverTransport,
+     TTransportFactory transportFactory,
+     TProtocolFactory protocolFactory)
+        : this(new TSingletonProcessorFactory(processor), serverTransport,
+           transportFactory, transportFactory,
+           protocolFactory, protocolFactory,
+           DEFAULT_MIN_THREADS, DEFAULT_MAX_THREADS, DefaultLogDelegate)
+    {
+    }
+
+    public TThreadPoolServer(TProcessorFactory processorFactory,
                  TServerTransport serverTransport,
                  TTransportFactory transportFactory,
                  TProtocolFactory protocolFactory)
-      : this(processor, serverTransport,
+        : this(processorFactory, serverTransport,
          transportFactory, transportFactory,
          protocolFactory, protocolFactory,
          DEFAULT_MIN_THREADS, DEFAULT_MAX_THREADS, DefaultLogDelegate)
     {
     }
 
-    public TThreadPoolServer(TProcessor processor,
+    public TThreadPoolServer(TProcessorFactory processorFactory,
                  TServerTransport serverTransport,
                  TTransportFactory inputTransportFactory,
                  TTransportFactory outputTransportFactory,
                  TProtocolFactory inputProtocolFactory,
                  TProtocolFactory outputProtocolFactory,
                  int minThreadPoolThreads, int maxThreadPoolThreads, LogDelegate logDel)
-      : base(processor, serverTransport, inputTransportFactory, outputTransportFactory,
+        : base(processorFactory, serverTransport, inputTransportFactory, outputTransportFactory,
           inputProtocolFactory, outputProtocolFactory, logDel)
     {
       lock (typeof(TThreadPoolServer))
@@ -149,6 +159,7 @@
     private void Execute(Object threadContext)
     {
       TTransport client = (TTransport)threadContext;
+      TProcessor processor = processorFactory.GetProcessor(client, this);
       TTransport inputTransport = null;
       TTransport outputTransport = null;
       TProtocol inputProtocol = null;