Encapsulate an OSDMap in DAMap (was DynAttrsOSDMap) rather than inheriting from it

This is the easier way to give us control over locking, rather than asking that OSDMap IDictionary methods be virtual

1 files changed, 173 insertions, 0 deletions

diff --git a/OpenSim/Framework/DAMap.cs b/OpenSim/Framework/DAMap.cs
new file mode 100644
index 0000000..a6fdf61
--- /dev/null
+++ b/OpenSim/Framework/DAMap.cs
@@ -0,0 +1,173 @@
+/*
+ * 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;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+using System.Xml;
+using System.Xml.Schema;
+using System.Xml.Serialization;
+using OpenMetaverse;
+using OpenMetaverse.StructuredData;
+
+namespace OpenSim.Framework
+{
+    /// <summary>
+    /// This is the map for storing and retrieving dynamic attributes.
+    /// </summary>
+    public class DAMap : IDictionary<string, OSD>, IXmlSerializable
+    {    
+        protected OSDMap m_map;
+        
+        public DAMap() { m_map = new OSDMap(); }
+        
+        public XmlSchema GetSchema() { return null; } 
+
+        public static DAMap FromXml(string rawXml)
+        {
+            DAMap map = new DAMap();
+            map.ReadXml(rawXml);
+            return map;
+        }
+        
+        public void ReadXml(string rawXml)
+        {            
+            //System.Console.WriteLine("Trying to deserialize [{0}]", rawXml);
+            
+            m_map = (OSDMap)OSDParser.DeserializeLLSDXml(rawXml);         
+        }
+        
+        public void ReadXml(XmlReader reader)
+        { 
+            ReadXml(reader.ReadInnerXml());            
+        }
+        
+        public string ToXml()
+        {
+            lock (m_map)
+                return OSDParser.SerializeLLSDXmlString(m_map);
+        }
+
+        public void WriteXml(XmlWriter writer)
+        {
+            writer.WriteRaw(ToXml());
+        }                             
+        
+        public int Count { get { lock (m_map) { return m_map.Count; } } }
+        public bool IsReadOnly { get { return false; } }
+        public ICollection<string> Keys { get { lock (m_map) { return m_map.Keys; } } }
+        public ICollection<OSD> Values { get { lock (m_map) { return m_map.Values; } } }
+        public OSD this[string key] 
+        {    
+            get  
+            {                    
+                OSD llsd;
+                
+                lock (m_map)
+                {
+                    if (m_map.TryGetValue(key, out llsd))
+                        return llsd;
+                    else 
+                        return null;
+                }
+            }    
+            set { lock (m_map) { m_map[key] = value; } }
+        }    
+
+        public bool ContainsKey(string key) 
+        {    
+            lock (m_map)
+                return m_map.ContainsKey(key);
+        }    
+
+        public void Add(string key, OSD llsd)
+        {    
+            lock (m_map)
+                m_map.Add(key, llsd);
+        }    
+
+        public void Add(KeyValuePair<string, OSD> kvp) 
+        {    
+            lock (m_map)
+                m_map.Add(kvp.Key, kvp.Value);
+        }    
+
+        public bool Remove(string key) 
+        {    
+            lock (m_map)
+                return m_map.Remove(key);
+        }    
+
+        public bool TryGetValue(string key, out OSD llsd)
+        {    
+            lock (m_map)
+                return m_map.TryGetValue(key, out llsd);
+        }    
+
+        public void Clear()
+        {
+            lock (m_map)
+                m_map.Clear();
+        }  
+        
+        public bool Contains(KeyValuePair<string, OSD> kvp)
+        {
+            lock (m_map)
+                return m_map.ContainsKey(kvp.Key);
+        }
+
+        public void CopyTo(KeyValuePair<string, OSD>[] array, int index)
+        {
+            throw new NotImplementedException();
+        }
+
+        public bool Remove(KeyValuePair<string, OSD> kvp)
+        {
+            lock (m_map)
+                return m_map.Remove(kvp.Key);
+        }
+
+        public System.Collections.IDictionaryEnumerator GetEnumerator()
+        {
+            lock (m_map)
+                return m_map.GetEnumerator();
+        }
+
+        IEnumerator<KeyValuePair<string, OSD>> IEnumerable<KeyValuePair<string, OSD>>.GetEnumerator()
+        {
+            return null;
+        }
+
+        IEnumerator IEnumerable.GetEnumerator()
+        {
+            lock (m_map)
+                return m_map.GetEnumerator();
+        }        
+    }
+}
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