1 files changed, 0 insertions, 126 deletions
diff --git a/M4-RCs/qpid/cpp/src/qpid/sys/CopyOnWriteArray.h b/M4-RCs/qpid/cpp/src/qpid/sys/CopyOnWriteArray.h
deleted file mode 100644
index c5bdcc0942..0000000000
--- a/M4-RCs/qpid/cpp/src/qpid/sys/CopyOnWriteArray.h
+++ /dev/null
@@ -1,126 +0,0 @@
-#ifndef QPID_SYS_COPYONWRITEARRAY_H
-#define QPID_SYS_COPYONWRITEARRAY_H
-
-/*
- *
- * 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.
- *
- */
-
-#include "Mutex.h"
-#include <algorithm>
-#include <vector>
-#include <boost/shared_ptr.hpp>
-
-namespace qpid {
-namespace sys {
-
-/**
- * An array that copies on adding/removing element allowing lock-free
- * iteration.
- */
-template <class T>
-class CopyOnWriteArray
-{
-public:
-    typedef boost::shared_ptr<const std::vector<T> > ConstPtr;
-
-    CopyOnWriteArray() {}
-    CopyOnWriteArray(const CopyOnWriteArray& c) : array(c.array) {}
-
-    void add(T& t)
-    {
-        Mutex::ScopedLock l(lock);
-        ArrayPtr copy(array ? new std::vector<T>(*array) : new std::vector<T>());
-        copy->push_back(t);
-        array = copy;
-    }
-
-    bool remove(T& t)
-    {
-        Mutex::ScopedLock l(lock);
-        if (array && std::find(array->begin(), array->end(), t) != array->end()) {
-            ArrayPtr copy(new std::vector<T>(*array));
-            copy->erase(std::find(copy->begin(), copy->end(), t));
-            array = copy;
-            return true;
-        } else {
-            return false;
-        }
-    }
-
-    template <class F>
-    bool add_unless(T& t, F f)
-    {
-        Mutex::ScopedLock l(lock);
-        if (array && find_if(array->begin(), array->end(), f) != array->end()) {
-            return false;
-        } else {
-            ArrayPtr copy(array ? new std::vector<T>(*array) : new std::vector<T>());
-            copy->push_back(t);
-            array = copy;
-            return true;
-        }
-    }
-
-    template <class F>
-    bool remove_if(F f)
-    {
-        Mutex::ScopedLock l(lock);
-        if (array && std::find_if(array->begin(), array->end(), f) != array->end()) {
-            ArrayPtr copy(new std::vector<T>(*array));
-            copy->erase(std::remove_if(copy->begin(), copy->end(), f), copy->end());
-            array = copy;
-            return true;
-        }
-        return false;
-    }
-
-    template <class F>
-    F for_each(F f)
-    {
-        ArrayPtr a;
-        {
-            Mutex::ScopedLock l(lock);
-            a = array;
-        }
-        if (!a) return f;
-        return std::for_each(a->begin(), a->end(), f);
-    }
-
-    ConstPtr snapshot()
-    {
-        ConstPtr a;
-        {
-            Mutex::ScopedLock l(lock);
-            a = array;
-        }
-        return a;
-    }
-
-private:
-    typedef boost::shared_ptr< std::vector<T> > ArrayPtr;
-    Mutex lock;
-    ArrayPtr array;
-};
-
-}}
-
-
-
-#endif  /*!QPID_SYS_COPYONWRITEARRAY_H*/