1 files changed, 150 insertions, 0 deletions
diff --git a/qpid/dotnet/client-010/client/transport/RangeSet.cs b/qpid/dotnet/client-010/client/transport/RangeSet.cs
new file mode 100644
index 0000000000..0a856ee979
--- /dev/null
+++ b/qpid/dotnet/client-010/client/transport/RangeSet.cs
@@ -0,0 +1,150 @@
+/*
+*
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied.  See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*
+*/
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Text;
+using org.apache.qpid.transport.util;
+
+namespace org.apache.qpid.transport
+{
+    /// <summary> 
+    /// RangeSet
+    /// </summary>
+    public sealed class RangeSet : IEnumerable<Range>
+    {
+        private readonly List<Range> _ranges = new List<Range>();
+
+        IEnumerator IEnumerable.GetEnumerator()
+        {
+            return GetEnumerator();
+        }
+
+        public IEnumerator<Range> GetEnumerator()
+        {
+            return _ranges.GetEnumerator();
+        }
+
+
+        public int Size()
+        {
+            return _ranges.Count;
+        }
+
+
+        public Range GetFirst()
+        {
+            return _ranges[0];
+        }
+
+        public bool Includes(Range range)
+        {
+            foreach (Range r in this)
+            {
+                if (r.Includes(range))
+                {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
+        public bool Includes(int n)
+        {
+            foreach (Range r in this)
+            {
+                if (r.Includes(n))
+                {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
+        public void Add(Range range)
+        {
+            for (int i = 0; i < _ranges.Count; i++)
+            {
+                Range r = _ranges[i];
+                if (range.Touches(r))
+                {
+                    _ranges.Remove(r);
+                    range = range.Span(r);
+                }
+                else if (Serial.Lt(range.Upper, r.Lower))
+                {
+                    _ranges.Insert(i - 1 , range);
+                    return;
+                }
+            }
+            _ranges.Add(range);
+        }
+
+        public void Add(int lower, int upper)
+        {
+            Add(new Range(lower, upper));
+        }
+
+        public void Add(int value)
+        {
+            Add(value, value);
+        }
+
+        public void Clear()
+        {
+            _ranges.Clear();
+        }
+
+        public RangeSet Copy()
+        {
+            RangeSet copy = new RangeSet();
+            foreach (Range r in _ranges)
+            {
+                copy._ranges.Add(r);
+            }
+            return copy;
+        }
+
+        public override String ToString()
+        {
+            StringBuilder str = new StringBuilder();
+            str.Append("{");
+            bool first = true;
+            foreach (Range range in _ranges)
+            {
+                if (first)
+                {
+                    first = false;
+                }
+                else
+                {
+                    str.Append(", ");
+                }
+                str.Append(range);
+            }
+            str.Append("}");
+            return str.ToString();
+        }
+    }
+}