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-rw-r--r--M4-RCs/qpid/dotnet/client-010/client/transport/util/CircularBuffer.cs132
1 files changed, 0 insertions, 132 deletions
diff --git a/M4-RCs/qpid/dotnet/client-010/client/transport/util/CircularBuffer.cs b/M4-RCs/qpid/dotnet/client-010/client/transport/util/CircularBuffer.cs
deleted file mode 100644
index 05c26bcc49..0000000000
--- a/M4-RCs/qpid/dotnet/client-010/client/transport/util/CircularBuffer.cs
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
-*
-* 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.Threading;
-
-namespace common.org.apache.qpid.transport.util
-{
- public class CircularBuffer<T>
- {
- private readonly T[] buffer;
- private Int32 nrp, nwp;
- private readonly Int32 len;
- private Int32 countValue;
- private readonly Int32 add;
-
-
- /// <summary>
- /// Constructor creates N=len element
- /// Circular Buffer that olds MemoryStream
- /// </summary>
- public CircularBuffer(Int32 len)
- {
- buffer = new T[len];
- this.len = len;
- add = 1 - len;
- nrp = 0;
- nwp = 0;
- countValue = 0;
- }
-
-
- public void Enqueue(T t)
- {
- lock (this)
- {
- if (countValue >= (len - 1))
- {
- // wait for room to be available
- Monitor.Wait(this);
- }
- bool notifyDequeue = countValue <= 0;
- load(t);
- if (notifyDequeue) //notifyDequeue)
- {
- Monitor.PulseAll(this);
- }
- }
- }
-
-
- public T Dequeue()
- {
- lock (this)
- {
- if (countValue <= 0)
- {
- Monitor.Wait(this);
- }
- bool notifyEnqueue = countValue >= (len - 1);
- T temp = get();
- if (notifyEnqueue) //notifyEnqueue)
- {
- Monitor.PulseAll(this);
- }
- return temp;
- }
- }
-
- public void close()
- {
- nrp = 0;
- nwp = 0;
- countValue = 0;
- Array.Clear(buffer, 0, len);
- lock (this)
- {
- Monitor.PulseAll(this);
- }
- }
-
- #region Private Support Functions
-
- private void load(T t)
- {
- Int32 i = nwp;
- buffer[i] = t;
- i += add;
- if (i < 0) i += len;
- nwp = i;
- updateCount();
- }
-
- private void updateCount()
- {
- countValue = nwp - nrp;
- if (countValue <= 0 )
- countValue += len; // modulo buffer size
- }
-
- private T get()
- {
- Int32 i = nrp;
- T temp = buffer[i];
- i += add;
- if (i < 0) i += len;
- nrp = i;
- countValue--;
- return (temp);
- }
-
- #endregion
- }
-}