From 2374c4a4c18c6daf15d1d662409a35e0f969b9e4 Mon Sep 17 00:00:00 2001
From: Melanie Thielker <melanie@t-data.com>
Date: Sat, 15 Aug 2015 19:08:45 +0200
Subject: [PATCH] Adding the IAgentStatefulModule interface. It is used in
 addtion to one of the existing module interfaces to denote a module that
 holds agent specific state that should be transferred to other regions

---
 .../Interfaces/IAgentStatefulModule.cs        | 61 +++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 OpenSim/Region/Framework/Interfaces/IAgentStatefulModule.cs

diff --git a/OpenSim/Region/Framework/Interfaces/IAgentStatefulModule.cs b/OpenSim/Region/Framework/Interfaces/IAgentStatefulModule.cs
new file mode 100644
index 0000000000..ccb2a034b4
--- /dev/null
+++ b/OpenSim/Region/Framework/Interfaces/IAgentStatefulModule.cs
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using OpenMetaverse;
+
+namespace OpenSim.Region.Framework.Interfaces
+{
+    public interface IAgentStatefulModule
+    {
+        /// <summary>
+        /// Returns a list of all the formats (by UUID) that this module
+        /// can render agent state in.
+        /// </summary>
+        List<UUID> GetRenderStateFormats();
+
+        /// <summary>
+        /// Returns a list (by UUID) of all formats this module can decode
+        /// to populate it's internal agent-related state.
+        /// </summary>
+        List<UUID> GetAcceptStateFormats();
+
+        /// <summary>
+        /// Render all internally held state for the given agent in the
+        /// requested format.
+        /// </summary>
+        string RenderState(UUID agentID, UUID format);
+
+        /// <summary>
+        /// Populate the internal state for the given agent from the
+        /// data argument, which is in the specified format. All prior
+        /// state relating to this agent is removed by this operation.
+        /// </summary>
+        bool ReceiveState(UUID agentID, UUID format, string data);
+    }
+}