# HG changeset patch
# User Sebastien Jodogne <s.jodogne@gmail.com>
# Date 1404476054 -7200
# Node ID 13e230bbd882cea26f70f4a3997218f590ba6ae8
# Parent  db18c071fbd7dcc32d0e57c70f1c834f1a52a836
rename filter to command

diff -r db18c071fbd7 -r 13e230bbd882 CMakeLists.txt
--- a/CMakeLists.txt	Fri Jul 04 14:09:53 2014 +0200
+++ b/CMakeLists.txt	Fri Jul 04 14:14:14 2014 +0200
@@ -154,10 +154,10 @@
   OrthancServer/OrthancMoveRequestHandler.cpp
 
   # From "lua-scripting" branch
-  OrthancServer/Scheduler/ServerFilterInstance.cpp
+  OrthancServer/Scheduler/ServerCommandInstance.cpp
   OrthancServer/Scheduler/ServerJob.cpp
   OrthancServer/Scheduler/ServerScheduler.cpp
-  OrthancServer/Scheduler/StoreScuFilter.cpp
+  OrthancServer/Scheduler/StoreScuCommand.cpp
   )
 
 
diff -r db18c071fbd7 -r 13e230bbd882 OrthancServer/OrthancRestApi/OrthancRestModalities.cpp
--- a/OrthancServer/OrthancRestApi/OrthancRestModalities.cpp	Fri Jul 04 14:09:53 2014 +0200
+++ b/OrthancServer/OrthancRestApi/OrthancRestModalities.cpp	Fri Jul 04 14:14:14 2014 +0200
@@ -37,7 +37,7 @@
 #include "../../Core/HttpClient.h"
 #include "../FromDcmtkBridge.h"
 #include "../Scheduler/ServerJob.h"
-#include "../Scheduler/StoreScuFilter.h"
+#include "../Scheduler/StoreScuCommand.h"
 
 #include <glog/logging.h>
 
@@ -328,7 +328,7 @@
     for (std::list<std::string>::const_iterator 
            it = instances.begin(); it != instances.end(); ++it)
     {
-      job.AddFilter(new StoreScuFilter(context, p)).AddInput(*it);
+      job.AddCommand(new StoreScuCommand(context, p)).AddInput(*it);
     }
 
     job.SetDescription("Store-SCU from HTTP to modality \"" + remote + "\"");
diff -r db18c071fbd7 -r 13e230bbd882 OrthancServer/Scheduler/IServerCommand.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancServer/Scheduler/IServerCommand.h	Fri Jul 04 14:14:14 2014 +0200
@@ -0,0 +1,55 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
+ * Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * In addition, as a special exception, the copyright holders of this
+ * program give permission to link the code of its release with the
+ * OpenSSL project's "OpenSSL" library (or with modified versions of it
+ * that use the same license as the "OpenSSL" library), and distribute
+ * the linked executables. You must obey the GNU General Public License
+ * in all respects for all of the code used other than "OpenSSL". If you
+ * modify file(s) with this exception, you may extend this exception to
+ * your version of the file(s), but you are not obligated to do so. If
+ * you do not wish to do so, delete this exception statement from your
+ * version. If you delete this exception statement from all source files
+ * in the program, then also delete it here.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#pragma once
+
+#include <list>
+#include <string>
+#include <boost/noncopyable.hpp>
+
+namespace Orthanc
+{
+  class IServerCommand : public boost::noncopyable
+  {
+  public:
+    typedef std::list<std::string>  ListOfStrings;
+
+    virtual ~IServerCommand()
+    {
+    }
+
+    virtual bool Apply(ListOfStrings& outputs,
+                       const ListOfStrings& inputs) = 0;
+
+    virtual bool SendOutputsToSink() const = 0;
+  };
+}
diff -r db18c071fbd7 -r 13e230bbd882 OrthancServer/Scheduler/IServerFilter.h
--- a/OrthancServer/Scheduler/IServerFilter.h	Fri Jul 04 14:09:53 2014 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,55 +0,0 @@
-/**
- * Orthanc - A Lightweight, RESTful DICOM Store
- * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
- * Belgium
- *
- * This program is free software: you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * In addition, as a special exception, the copyright holders of this
- * program give permission to link the code of its release with the
- * OpenSSL project's "OpenSSL" library (or with modified versions of it
- * that use the same license as the "OpenSSL" library), and distribute
- * the linked executables. You must obey the GNU General Public License
- * in all respects for all of the code used other than "OpenSSL". If you
- * modify file(s) with this exception, you may extend this exception to
- * your version of the file(s), but you are not obligated to do so. If
- * you do not wish to do so, delete this exception statement from your
- * version. If you delete this exception statement from all source files
- * in the program, then also delete it here.
- * 
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- **/
-
-
-#pragma once
-
-#include <list>
-#include <string>
-#include <boost/noncopyable.hpp>
-
-namespace Orthanc
-{
-  class IServerFilter : public boost::noncopyable
-  {
-  public:
-    typedef std::list<std::string>  ListOfStrings;
-
-    virtual ~IServerFilter()
-    {
-    }
-
-    virtual bool Apply(ListOfStrings& outputs,
-                       const ListOfStrings& inputs) = 0;
-
-    virtual bool SendOutputsToSink() const = 0;
-  };
-}
diff -r db18c071fbd7 -r 13e230bbd882 OrthancServer/Scheduler/ServerCommandInstance.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancServer/Scheduler/ServerCommandInstance.cpp	Fri Jul 04 14:14:14 2014 +0200
@@ -0,0 +1,82 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
+ * Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * In addition, as a special exception, the copyright holders of this
+ * program give permission to link the code of its release with the
+ * OpenSSL project's "OpenSSL" library (or with modified versions of it
+ * that use the same license as the "OpenSSL" library), and distribute
+ * the linked executables. You must obey the GNU General Public License
+ * in all respects for all of the code used other than "OpenSSL". If you
+ * modify file(s) with this exception, you may extend this exception to
+ * your version of the file(s), but you are not obligated to do so. If
+ * you do not wish to do so, delete this exception statement from your
+ * version. If you delete this exception statement from all source files
+ * in the program, then also delete it here.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#include "ServerCommandInstance.h"
+
+#include "../../Core/OrthancException.h"
+
+namespace Orthanc
+{
+  bool ServerCommandInstance::Execute(IListener& listener)
+  {
+    ListOfStrings outputs;
+    if (!filter_->Apply(outputs, inputs_))
+    {
+      listener.SignalFailure(jobId_);
+      return true;
+    }
+
+    for (std::list<ServerCommandInstance*>::iterator
+           it = next_.begin(); it != next_.end(); it++)
+    {
+      for (ListOfStrings::const_iterator
+             output = outputs.begin(); output != outputs.end(); output++)
+      {
+        (*it)->AddInput(*output);
+      }
+    }
+
+    listener.SignalSuccess(jobId_);
+    return true;
+  }
+
+
+  ServerCommandInstance::ServerCommandInstance(IServerCommand *filter,
+                                             const std::string& jobId) : 
+    filter_(filter), 
+    jobId_(jobId)
+  {
+    if (filter_ == NULL)
+    {
+      throw OrthancException(ErrorCode_ParameterOutOfRange);
+    }
+  }
+
+
+  ServerCommandInstance::~ServerCommandInstance()
+  {
+    if (filter_ != NULL)
+    {
+      delete filter_;
+    }
+  }
+}
diff -r db18c071fbd7 -r 13e230bbd882 OrthancServer/Scheduler/ServerCommandInstance.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancServer/Scheduler/ServerCommandInstance.h	Fri Jul 04 14:14:14 2014 +0200
@@ -0,0 +1,98 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
+ * Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * In addition, as a special exception, the copyright holders of this
+ * program give permission to link the code of its release with the
+ * OpenSSL project's "OpenSSL" library (or with modified versions of it
+ * that use the same license as the "OpenSSL" library), and distribute
+ * the linked executables. You must obey the GNU General Public License
+ * in all respects for all of the code used other than "OpenSSL". If you
+ * modify file(s) with this exception, you may extend this exception to
+ * your version of the file(s), but you are not obligated to do so. If
+ * you do not wish to do so, delete this exception statement from your
+ * version. If you delete this exception statement from all source files
+ * in the program, then also delete it here.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#pragma once
+
+#include "../../Core/IDynamicObject.h"
+#include "IServerCommand.h"
+
+namespace Orthanc
+{
+  class ServerCommandInstance : public IDynamicObject
+  {
+    friend class ServerScheduler;
+
+  public:
+    class IListener
+    {
+    public:
+      virtual ~IListener()
+      {
+      }
+
+      virtual void SignalSuccess(const std::string& jobId) = 0;
+
+      virtual void SignalFailure(const std::string& jobId) = 0;
+    };
+
+  private:
+    typedef IServerCommand::ListOfStrings  ListOfStrings;
+
+    IServerCommand *filter_;
+    std::string jobId_;
+    ListOfStrings inputs_;
+    std::list<ServerCommandInstance*> next_;
+
+    bool Execute(IListener& listener);
+
+  public:
+    ServerCommandInstance(IServerCommand *filter,
+                         const std::string& jobId);
+
+    virtual ~ServerCommandInstance();
+
+    const std::string& GetJobId() const
+    {
+      return jobId_;
+    }
+
+    void AddInput(const std::string& input)
+    {
+      inputs_.push_back(input);
+    }
+
+    void ConnectNext(ServerCommandInstance& filter)
+    {
+      next_.push_back(&filter);
+    }
+
+    const std::list<ServerCommandInstance*>& GetNextCommands() const
+    {
+      return next_;
+    }
+
+    IServerCommand& GetCommand() const
+    {
+      return *filter_;
+    }
+  };
+}
diff -r db18c071fbd7 -r 13e230bbd882 OrthancServer/Scheduler/ServerFilterInstance.cpp
--- a/OrthancServer/Scheduler/ServerFilterInstance.cpp	Fri Jul 04 14:09:53 2014 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,82 +0,0 @@
-/**
- * Orthanc - A Lightweight, RESTful DICOM Store
- * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
- * Belgium
- *
- * This program is free software: you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * In addition, as a special exception, the copyright holders of this
- * program give permission to link the code of its release with the
- * OpenSSL project's "OpenSSL" library (or with modified versions of it
- * that use the same license as the "OpenSSL" library), and distribute
- * the linked executables. You must obey the GNU General Public License
- * in all respects for all of the code used other than "OpenSSL". If you
- * modify file(s) with this exception, you may extend this exception to
- * your version of the file(s), but you are not obligated to do so. If
- * you do not wish to do so, delete this exception statement from your
- * version. If you delete this exception statement from all source files
- * in the program, then also delete it here.
- * 
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- **/
-
-
-#include "ServerFilterInstance.h"
-
-#include "../../Core/OrthancException.h"
-
-namespace Orthanc
-{
-  bool ServerFilterInstance::Execute(IListener& listener)
-  {
-    ListOfStrings outputs;
-    if (!filter_->Apply(outputs, inputs_))
-    {
-      listener.SignalFailure(jobId_);
-      return true;
-    }
-
-    for (std::list<ServerFilterInstance*>::iterator
-           it = next_.begin(); it != next_.end(); it++)
-    {
-      for (ListOfStrings::const_iterator
-             output = outputs.begin(); output != outputs.end(); output++)
-      {
-        (*it)->AddInput(*output);
-      }
-    }
-
-    listener.SignalSuccess(jobId_);
-    return true;
-  }
-
-
-  ServerFilterInstance::ServerFilterInstance(IServerFilter *filter,
-                                             const std::string& jobId) : 
-    filter_(filter), 
-    jobId_(jobId)
-  {
-    if (filter_ == NULL)
-    {
-      throw OrthancException(ErrorCode_ParameterOutOfRange);
-    }
-  }
-
-
-  ServerFilterInstance::~ServerFilterInstance()
-  {
-    if (filter_ != NULL)
-    {
-      delete filter_;
-    }
-  }
-}
diff -r db18c071fbd7 -r 13e230bbd882 OrthancServer/Scheduler/ServerFilterInstance.h
--- a/OrthancServer/Scheduler/ServerFilterInstance.h	Fri Jul 04 14:09:53 2014 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,98 +0,0 @@
-/**
- * Orthanc - A Lightweight, RESTful DICOM Store
- * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
- * Belgium
- *
- * This program is free software: you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * In addition, as a special exception, the copyright holders of this
- * program give permission to link the code of its release with the
- * OpenSSL project's "OpenSSL" library (or with modified versions of it
- * that use the same license as the "OpenSSL" library), and distribute
- * the linked executables. You must obey the GNU General Public License
- * in all respects for all of the code used other than "OpenSSL". If you
- * modify file(s) with this exception, you may extend this exception to
- * your version of the file(s), but you are not obligated to do so. If
- * you do not wish to do so, delete this exception statement from your
- * version. If you delete this exception statement from all source files
- * in the program, then also delete it here.
- * 
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- **/
-
-
-#pragma once
-
-#include "../../Core/IDynamicObject.h"
-#include "IServerFilter.h"
-
-namespace Orthanc
-{
-  class ServerFilterInstance : public IDynamicObject
-  {
-    friend class ServerScheduler;
-
-  public:
-    class IListener
-    {
-    public:
-      virtual ~IListener()
-      {
-      }
-
-      virtual void SignalSuccess(const std::string& jobId) = 0;
-
-      virtual void SignalFailure(const std::string& jobId) = 0;
-    };
-
-  private:
-    typedef IServerFilter::ListOfStrings  ListOfStrings;
-
-    IServerFilter *filter_;
-    std::string jobId_;
-    ListOfStrings inputs_;
-    std::list<ServerFilterInstance*> next_;
-
-    bool Execute(IListener& listener);
-
-  public:
-    ServerFilterInstance(IServerFilter *filter,
-                         const std::string& jobId);
-
-    virtual ~ServerFilterInstance();
-
-    const std::string& GetJobId() const
-    {
-      return jobId_;
-    }
-
-    void AddInput(const std::string& input)
-    {
-      inputs_.push_back(input);
-    }
-
-    void ConnectNext(ServerFilterInstance& filter)
-    {
-      next_.push_back(&filter);
-    }
-
-    const std::list<ServerFilterInstance*>& GetNextFilters() const
-    {
-      return next_;
-    }
-
-    IServerFilter& GetFilter() const
-    {
-      return *filter_;
-    }
-  };
-}
diff -r db18c071fbd7 -r 13e230bbd882 OrthancServer/Scheduler/ServerJob.cpp
--- a/OrthancServer/Scheduler/ServerJob.cpp	Fri Jul 04 14:09:53 2014 +0200
+++ b/OrthancServer/Scheduler/ServerJob.cpp	Fri Jul 04 14:14:14 2014 +0200
@@ -40,27 +40,27 @@
 {
   void ServerJob::CheckOrdering()
   {
-    std::map<ServerFilterInstance*, unsigned int> index;
+    std::map<ServerCommandInstance*, unsigned int> index;
 
     unsigned int count = 0;
-    for (std::list<ServerFilterInstance*>::const_iterator
+    for (std::list<ServerCommandInstance*>::const_iterator
            it = filters_.begin(); it != filters_.end(); it++)
     {
       index[*it] = count++;
     }
 
-    for (std::list<ServerFilterInstance*>::const_iterator
+    for (std::list<ServerCommandInstance*>::const_iterator
            it = filters_.begin(); it != filters_.end(); it++)
     {
-      const std::list<ServerFilterInstance*>& nextFilters = (*it)->GetNextFilters();
+      const std::list<ServerCommandInstance*>& nextCommands = (*it)->GetNextCommands();
 
-      for (std::list<ServerFilterInstance*>::const_iterator
-             next = nextFilters.begin(); next != nextFilters.end(); next++)
+      for (std::list<ServerCommandInstance*>::const_iterator
+             next = nextCommands.begin(); next != nextCommands.end(); next++)
       {
         if (index.find(*next) == index.end() ||
             index[*next] <= index[*it])
         {
-          // You must reorder your calls to "ServerJob::AddFilter"
+          // You must reorder your calls to "ServerJob::AddCommand"
           throw OrthancException("Bad ordering of filters in a job");
         }
       }
@@ -69,7 +69,7 @@
 
 
   size_t ServerJob::Submit(SharedMessageQueue& target,
-                           ServerFilterInstance::IListener& listener)
+                           ServerCommandInstance::IListener& listener)
   {
     if (submitted_)
     {
@@ -81,7 +81,7 @@
 
     size_t size = filters_.size();
 
-    for (std::list<ServerFilterInstance*>::iterator 
+    for (std::list<ServerCommandInstance*>::iterator 
            it = filters_.begin(); it != filters_.end(); it++)
     {
       target.Enqueue(*it);
@@ -104,7 +104,7 @@
 
   ServerJob::~ServerJob()
   {
-    for (std::list<ServerFilterInstance*>::iterator
+    for (std::list<ServerCommandInstance*>::iterator
            it = filters_.begin(); it != filters_.end(); it++)
     {
       delete *it;
@@ -112,14 +112,14 @@
   }
 
 
-  ServerFilterInstance& ServerJob::AddFilter(IServerFilter* filter)
+  ServerCommandInstance& ServerJob::AddCommand(IServerCommand* filter)
   {
     if (submitted_)
     {
       throw OrthancException(ErrorCode_BadSequenceOfCalls);
     }
 
-    filters_.push_back(new ServerFilterInstance(filter, jobId_));
+    filters_.push_back(new ServerCommandInstance(filter, jobId_));
       
     return *filters_.back();
   }
diff -r db18c071fbd7 -r 13e230bbd882 OrthancServer/Scheduler/ServerJob.h
--- a/OrthancServer/Scheduler/ServerJob.h	Fri Jul 04 14:09:53 2014 +0200
+++ b/OrthancServer/Scheduler/ServerJob.h	Fri Jul 04 14:14:14 2014 +0200
@@ -32,7 +32,7 @@
 
 #pragma once
 
-#include "ServerFilterInstance.h"
+#include "ServerCommandInstance.h"
 #include "../../Core/MultiThreading/SharedMessageQueue.h"
 
 namespace Orthanc
@@ -42,7 +42,7 @@
     friend class ServerScheduler;
 
   private:
-    std::list<ServerFilterInstance*> filters_;
+    std::list<ServerCommandInstance*> filters_;
     std::string jobId_;
     bool submitted_;
     std::string description_;
@@ -50,7 +50,7 @@
     void CheckOrdering();
 
     size_t Submit(SharedMessageQueue& target,
-                  ServerFilterInstance::IListener& listener);
+                  ServerCommandInstance::IListener& listener);
 
   public:
     ServerJob();
@@ -72,6 +72,6 @@
       return description_;
     }
 
-    ServerFilterInstance& AddFilter(IServerFilter* filter);
+    ServerCommandInstance& AddCommand(IServerCommand* filter);
   };
 }
diff -r db18c071fbd7 -r 13e230bbd882 OrthancServer/Scheduler/ServerScheduler.cpp
--- a/OrthancServer/Scheduler/ServerScheduler.cpp	Fri Jul 04 14:09:53 2014 +0200
+++ b/OrthancServer/Scheduler/ServerScheduler.cpp	Fri Jul 04 14:14:14 2014 +0200
@@ -41,7 +41,7 @@
   namespace
   {
     // Anonymous namespace to avoid clashes between compilation modules
-    class Sink : public IServerFilter
+    class Sink : public IServerCommand
     {
     private:
       ListOfStrings& target_;
@@ -143,7 +143,7 @@
       std::auto_ptr<IDynamicObject> object(that->queue_.Dequeue(TIMEOUT));
       if (object.get() != NULL)
       {
-        ServerFilterInstance& filter = dynamic_cast<ServerFilterInstance&>(*object);
+        ServerCommandInstance& filter = dynamic_cast<ServerCommandInstance&>(*object);
 
         // Skip the execution of this filter if its parent job has
         // previously failed.
@@ -234,14 +234,14 @@
 
     // Add a sink filter to collect all the results of the filters
     // that have no next filter.
-    ServerFilterInstance& sink = job.AddFilter(new Sink(outputs));
+    ServerCommandInstance& sink = job.AddCommand(new Sink(outputs));
 
-    for (std::list<ServerFilterInstance*>::iterator
+    for (std::list<ServerCommandInstance*>::iterator
            it = job.filters_.begin(); it != job.filters_.end(); it++)
     {
       if ((*it) != &sink &&
-          (*it)->GetNextFilters().size() == 0 &&
-          (*it)->GetFilter().SendOutputsToSink())
+          (*it)->GetNextCommands().size() == 0 &&
+          (*it)->GetCommand().SendOutputsToSink())
       {
         (*it)->ConnectNext(sink);
       }
diff -r db18c071fbd7 -r 13e230bbd882 OrthancServer/Scheduler/ServerScheduler.h
--- a/OrthancServer/Scheduler/ServerScheduler.h	Fri Jul 04 14:09:53 2014 +0200
+++ b/OrthancServer/Scheduler/ServerScheduler.h	Fri Jul 04 14:14:14 2014 +0200
@@ -38,7 +38,7 @@
 
 namespace Orthanc
 {
-  class ServerScheduler : public ServerFilterInstance::IListener
+  class ServerScheduler : public ServerCommandInstance::IListener
   {
   private:
     struct JobInfo
@@ -58,7 +58,7 @@
       JobStatus_Failure = 3
     };
 
-    typedef IServerFilter::ListOfStrings  ListOfStrings;
+    typedef IServerCommand::ListOfStrings  ListOfStrings;
     typedef std::map<std::string, JobInfo> Jobs;
 
     boost::mutex mutex_;
diff -r db18c071fbd7 -r 13e230bbd882 OrthancServer/Scheduler/StoreScuCommand.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancServer/Scheduler/StoreScuCommand.cpp	Fri Jul 04 14:14:14 2014 +0200
@@ -0,0 +1,65 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
+ * Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * In addition, as a special exception, the copyright holders of this
+ * program give permission to link the code of its release with the
+ * OpenSSL project's "OpenSSL" library (or with modified versions of it
+ * that use the same license as the "OpenSSL" library), and distribute
+ * the linked executables. You must obey the GNU General Public License
+ * in all respects for all of the code used other than "OpenSSL". If you
+ * modify file(s) with this exception, you may extend this exception to
+ * your version of the file(s), but you are not obligated to do so. If
+ * you do not wish to do so, delete this exception statement from your
+ * version. If you delete this exception statement from all source files
+ * in the program, then also delete it here.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#include "StoreScuCommand.h"
+
+#include <glog/logging.h>
+
+namespace Orthanc
+{
+  StoreScuCommand::StoreScuCommand(ServerContext& context,
+                                 const RemoteModalityParameters& modality) : 
+    context_(context),
+    modality_(modality)
+  {
+  }
+
+  bool StoreScuCommand::Apply(ListOfStrings& outputs,
+                             const ListOfStrings& inputs)
+  {
+
+    ReusableDicomUserConnection::Locker locker(context_.GetReusableDicomUserConnection(), modality_);
+
+    for (ListOfStrings::const_iterator
+           it = inputs.begin(); it != inputs.end(); ++it)
+    {
+      LOG(INFO) << "Sending resource " << *it << " to modality \"" 
+                << modality_.GetApplicationEntityTitle() << "\"";
+
+      std::string dicom;
+      context_.ReadFile(dicom, *it, FileContentType_Dicom);
+      locker.GetConnection().Store(dicom);
+    }
+
+    return true;
+  }
+}
diff -r db18c071fbd7 -r 13e230bbd882 OrthancServer/Scheduler/StoreScuCommand.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancServer/Scheduler/StoreScuCommand.h	Fri Jul 04 14:14:14 2014 +0200
@@ -0,0 +1,58 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
+ * Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * In addition, as a special exception, the copyright holders of this
+ * program give permission to link the code of its release with the
+ * OpenSSL project's "OpenSSL" library (or with modified versions of it
+ * that use the same license as the "OpenSSL" library), and distribute
+ * the linked executables. You must obey the GNU General Public License
+ * in all respects for all of the code used other than "OpenSSL". If you
+ * modify file(s) with this exception, you may extend this exception to
+ * your version of the file(s), but you are not obligated to do so. If
+ * you do not wish to do so, delete this exception statement from your
+ * version. If you delete this exception statement from all source files
+ * in the program, then also delete it here.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#pragma once
+
+#include "IServerCommand.h"
+#include "../ServerContext.h"
+
+namespace Orthanc
+{
+  class StoreScuCommand : public IServerCommand
+  {
+  private:
+    ServerContext& context_;
+    RemoteModalityParameters modality_;
+
+  public:
+    StoreScuCommand(ServerContext& context,
+                   const RemoteModalityParameters& modality);
+
+    bool Apply(ListOfStrings& outputs,
+               const ListOfStrings& inputs);
+
+    bool SendOutputsToSink() const
+    {
+      return false;
+    }
+  };
+}
diff -r db18c071fbd7 -r 13e230bbd882 OrthancServer/Scheduler/StoreScuFilter.cpp
--- a/OrthancServer/Scheduler/StoreScuFilter.cpp	Fri Jul 04 14:09:53 2014 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,65 +0,0 @@
-/**
- * Orthanc - A Lightweight, RESTful DICOM Store
- * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
- * Belgium
- *
- * This program is free software: you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * In addition, as a special exception, the copyright holders of this
- * program give permission to link the code of its release with the
- * OpenSSL project's "OpenSSL" library (or with modified versions of it
- * that use the same license as the "OpenSSL" library), and distribute
- * the linked executables. You must obey the GNU General Public License
- * in all respects for all of the code used other than "OpenSSL". If you
- * modify file(s) with this exception, you may extend this exception to
- * your version of the file(s), but you are not obligated to do so. If
- * you do not wish to do so, delete this exception statement from your
- * version. If you delete this exception statement from all source files
- * in the program, then also delete it here.
- * 
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- **/
-
-
-#include "StoreScuFilter.h"
-
-#include <glog/logging.h>
-
-namespace Orthanc
-{
-  StoreScuFilter::StoreScuFilter(ServerContext& context,
-                                 const RemoteModalityParameters& modality) : 
-    context_(context),
-    modality_(modality)
-  {
-  }
-
-  bool StoreScuFilter::Apply(ListOfStrings& outputs,
-                             const ListOfStrings& inputs)
-  {
-
-    ReusableDicomUserConnection::Locker locker(context_.GetReusableDicomUserConnection(), modality_);
-
-    for (ListOfStrings::const_iterator
-           it = inputs.begin(); it != inputs.end(); ++it)
-    {
-      LOG(INFO) << "Sending resource " << *it << " to modality \"" 
-                << modality_.GetApplicationEntityTitle() << "\"";
-
-      std::string dicom;
-      context_.ReadFile(dicom, *it, FileContentType_Dicom);
-      locker.GetConnection().Store(dicom);
-    }
-
-    return true;
-  }
-}
diff -r db18c071fbd7 -r 13e230bbd882 OrthancServer/Scheduler/StoreScuFilter.h
--- a/OrthancServer/Scheduler/StoreScuFilter.h	Fri Jul 04 14:09:53 2014 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,58 +0,0 @@
-/**
- * Orthanc - A Lightweight, RESTful DICOM Store
- * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
- * Belgium
- *
- * This program is free software: you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * In addition, as a special exception, the copyright holders of this
- * program give permission to link the code of its release with the
- * OpenSSL project's "OpenSSL" library (or with modified versions of it
- * that use the same license as the "OpenSSL" library), and distribute
- * the linked executables. You must obey the GNU General Public License
- * in all respects for all of the code used other than "OpenSSL". If you
- * modify file(s) with this exception, you may extend this exception to
- * your version of the file(s), but you are not obligated to do so. If
- * you do not wish to do so, delete this exception statement from your
- * version. If you delete this exception statement from all source files
- * in the program, then also delete it here.
- * 
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- **/
-
-
-#pragma once
-
-#include "IServerFilter.h"
-#include "../ServerContext.h"
-
-namespace Orthanc
-{
-  class StoreScuFilter : public IServerFilter
-  {
-  private:
-    ServerContext& context_;
-    RemoteModalityParameters modality_;
-
-  public:
-    StoreScuFilter(ServerContext& context,
-                   const RemoteModalityParameters& modality);
-
-    bool Apply(ListOfStrings& outputs,
-               const ListOfStrings& inputs);
-
-    bool SendOutputsToSink() const
-    {
-      return false;
-    }
-  };
-}
diff -r db18c071fbd7 -r 13e230bbd882 UnitTestsSources/MultiThreadingTests.cpp
--- a/UnitTestsSources/MultiThreadingTests.cpp	Fri Jul 04 14:09:53 2014 +0200
+++ b/UnitTestsSources/MultiThreadingTests.cpp	Fri Jul 04 14:14:14 2014 +0200
@@ -277,7 +277,7 @@
 
 
 
-class Tutu : public IServerFilter
+class Tutu : public IServerCommand
 {
 private:
   int factor_;
@@ -317,7 +317,7 @@
 
 static void Tata(ServerScheduler* s, ServerJob* j, bool* done)
 {
-  typedef IServerFilter::ListOfStrings  ListOfStrings;
+  typedef IServerCommand::ListOfStrings  ListOfStrings;
 
 #if 1
   while (!(*done))
@@ -348,10 +348,10 @@
   ServerScheduler scheduler(10);
 
   ServerJob job;
-  ServerFilterInstance& f2 = job.AddFilter(new Tutu(2));
-  ServerFilterInstance& f3 = job.AddFilter(new Tutu(3));
-  ServerFilterInstance& f4 = job.AddFilter(new Tutu(4));
-  ServerFilterInstance& f5 = job.AddFilter(new Tutu(5));
+  ServerCommandInstance& f2 = job.AddCommand(new Tutu(2));
+  ServerCommandInstance& f3 = job.AddCommand(new Tutu(3));
+  ServerCommandInstance& f4 = job.AddCommand(new Tutu(4));
+  ServerCommandInstance& f5 = job.AddCommand(new Tutu(5));
   f2.AddInput(boost::lexical_cast<std::string>(42));
   //f3.AddInput(boost::lexical_cast<std::string>(42));
   //f4.AddInput(boost::lexical_cast<std::string>(42));
@@ -367,10 +367,10 @@
 
   //scheduler.Submit(job);
 
-  IServerFilter::ListOfStrings l;
+  IServerCommand::ListOfStrings l;
   scheduler.SubmitAndWait(l, job);
 
-  for (IServerFilter::ListOfStrings::iterator i = l.begin(); i != l.end(); i++)
+  for (IServerCommand::ListOfStrings::iterator i = l.begin(); i != l.end(); i++)
   {
     printf("** %s\n", i->c_str());
   }