9 files changed, 106 insertions, 49 deletions
diff --git a/cpp/src/qpid/messaging/Connection.cpp b/cpp/src/qpid/messaging/Connection.cpp
index 4873899787..cb06af7693 100644
--- a/cpp/src/qpid/messaging/Connection.cpp
+++ b/cpp/src/qpid/messaging/Connection.cpp
@@ -23,23 +23,17 @@
 #include "qpid/messaging/ConnectionImpl.h"
 #include "qpid/messaging/Session.h"
 #include "qpid/messaging/SessionImpl.h"
-#include "qpid/client/PrivateImplRef.h"
+#include "qpid/messaging/PrivateImplRef.h"
 #include "qpid/client/amqp0_10/ConnectionImpl.h"
 #include "qpid/log/Statement.h"
 
 namespace qpid {
-namespace client {
-
-typedef PrivateImplRef<qpid::messaging::Connection> PI;
-
-}
-
 namespace messaging {
 
-using qpid::client::PI;
+typedef PrivateImplRef<qpid::messaging::Connection> PI;
 
 Connection::Connection(ConnectionImpl* impl) { PI::ctor(*this, impl); }
-Connection::Connection(const Connection& c) : qpid::client::Handle<ConnectionImpl>() { PI::copy(*this, c); }
+Connection::Connection(const Connection& c) : Handle<ConnectionImpl>() { PI::copy(*this, c); }
 Connection& Connection::operator=(const Connection& c) { return PI::assign(*this, c); }
 Connection::~Connection() { PI::dtor(*this); }
 
diff --git a/cpp/src/qpid/messaging/ConnectionImpl.h b/cpp/src/qpid/messaging/ConnectionImpl.h
index 33ebcda950..2f03c9610b 100644
--- a/cpp/src/qpid/messaging/ConnectionImpl.h
+++ b/cpp/src/qpid/messaging/ConnectionImpl.h
@@ -25,9 +25,6 @@
 #include "qpid/RefCounted.h"
 
 namespace qpid {
-namespace client {
-}
-
 namespace messaging {
 
 class Session;
diff --git a/cpp/src/qpid/messaging/PrivateImplRef.h b/cpp/src/qpid/messaging/PrivateImplRef.h
new file mode 100644
index 0000000000..cc2798c647
--- /dev/null
+++ b/cpp/src/qpid/messaging/PrivateImplRef.h
@@ -0,0 +1,94 @@
+#ifndef QPID_MESSAGING_PRIVATEIMPL_H
+#define QPID_MESSAGING_PRIVATEIMPL_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 "qpid/messaging/ImportExport.h"
+#include <boost/intrusive_ptr.hpp>
+#include "qpid/RefCounted.h"
+
+namespace qpid {
+namespace messaging {
+
+// FIXME aconway 2009-04-24: details!
+/** @file
+ *
+ * Helper class to implement a class with a private, reference counted
+ * implementation and reference semantics.
+ *
+ * Such classes are used in the public API to hide implementation, they
+ * should. Example of use:
+ *
+ * === Foo.h
+ *
+ * template <class T> PrivateImplRef;
+ * class FooImpl;
+ *
+ * Foo : public Handle<FooImpl> {
+ *  public:
+ *   Foo(FooImpl* = 0);
+ *   Foo(const Foo&);
+ *   ~Foo();
+ *   Foo& operator=(const Foo&);
+ *
+ *   int fooDo();              //  and other Foo functions...
+ *
+ *  private:
+ *   typedef FooImpl Impl;
+ *   Impl* impl;
+ *   friend class PrivateImplRef<Foo>;
+ *
+ * === Foo.cpp
+ *
+ * typedef PrivateImplRef<Foo> PI;
+ * Foo::Foo(FooImpl* p) { PI::ctor(*this, p); }
+ * Foo::Foo(const Foo& c) : Handle<FooImpl>() { PI::copy(*this, c); }
+ * Foo::~Foo() { PI::dtor(*this); }
+ * Foo& Foo::operator=(const Foo& c) { return PI::assign(*this, c); }
+ *
+ * int foo::fooDo() { return impl->fooDo(); }
+ *
+ */
+template <class T> class PrivateImplRef {
+  public:
+    typedef typename T::Impl Impl;
+    typedef boost::intrusive_ptr<Impl> intrusive_ptr;
+
+    static intrusive_ptr get(const T& t) { return intrusive_ptr(t.impl); }
+
+    static void set(T& t, const intrusive_ptr& p) {
+        if (t.impl == p) return;
+        if (t.impl) boost::intrusive_ptr_release(t.impl);
+        t.impl = p.get();
+        if (t.impl) boost::intrusive_ptr_add_ref(t.impl);
+    }
+
+    // Helper functions to implement the ctor, dtor, copy, assign
+    static void ctor(T& t, Impl* p) { t.impl = p; if (p) boost::intrusive_ptr_add_ref(p); }
+    static void copy(T& t, const T& x) { if (&t == &x) return; t.impl = 0; assign(t, x); }
+    static void dtor(T& t) { if(t.impl) boost::intrusive_ptr_release(t.impl); }
+    static T& assign(T& t, const T& x) { set(t, get(x)); return t;}
+};
+
+}} // namespace qpid::messaging
+
+#endif  /*!QPID_MESSAGING_PRIVATEIMPL_H*/
diff --git a/cpp/src/qpid/messaging/Receiver.cpp b/cpp/src/qpid/messaging/Receiver.cpp
index 841bee274c..df13052671 100644
--- a/cpp/src/qpid/messaging/Receiver.cpp
+++ b/cpp/src/qpid/messaging/Receiver.cpp
@@ -22,21 +22,15 @@
 #include "qpid/messaging/Message.h"
 #include "qpid/messaging/ReceiverImpl.h"
 #include "qpid/messaging/Session.h"
-#include "qpid/client/PrivateImplRef.h"
+#include "qpid/messaging/PrivateImplRef.h"
 
 namespace qpid {
-namespace client {
-
-typedef PrivateImplRef<qpid::messaging::Receiver> PI;
-
-}
-
 namespace messaging {
 
-using qpid::client::PI;
+typedef PrivateImplRef<qpid::messaging::Receiver> PI;
 
 Receiver::Receiver(ReceiverImpl* impl) { PI::ctor(*this, impl); }
-Receiver::Receiver(const Receiver& s) : qpid::client::Handle<ReceiverImpl>() { PI::copy(*this, s); }
+Receiver::Receiver(const Receiver& s) : Handle<ReceiverImpl>() { PI::copy(*this, s); }
 Receiver::~Receiver() { PI::dtor(*this); }
 Receiver& Receiver::operator=(const Receiver& s) { return PI::assign(*this, s); }
 bool Receiver::get(Message& message, Duration timeout) { return impl->get(message, timeout); }
diff --git a/cpp/src/qpid/messaging/ReceiverImpl.h b/cpp/src/qpid/messaging/ReceiverImpl.h
index a720fe8210..c156265f6c 100644
--- a/cpp/src/qpid/messaging/ReceiverImpl.h
+++ b/cpp/src/qpid/messaging/ReceiverImpl.h
@@ -24,9 +24,6 @@
 #include "qpid/RefCounted.h"
 
 namespace qpid {
-namespace client {
-}
-
 namespace messaging {
 
 class Message;
diff --git a/cpp/src/qpid/messaging/Sender.cpp b/cpp/src/qpid/messaging/Sender.cpp
index 5e18db1d7c..711a857d7a 100644
--- a/cpp/src/qpid/messaging/Sender.cpp
+++ b/cpp/src/qpid/messaging/Sender.cpp
@@ -22,21 +22,14 @@
 #include "qpid/messaging/Message.h"
 #include "qpid/messaging/SenderImpl.h"
 #include "qpid/messaging/Session.h"
-#include "qpid/client/PrivateImplRef.h"
+#include "qpid/messaging/PrivateImplRef.h"
 
 namespace qpid {
-namespace client {
-
-typedef PrivateImplRef<qpid::messaging::Sender> PI;
-
-}
-
 namespace messaging {
-
-using qpid::client::PI;
+typedef PrivateImplRef<qpid::messaging::Sender> PI;
 
 Sender::Sender(SenderImpl* impl) { PI::ctor(*this, impl); }
-Sender::Sender(const Sender& s) : qpid::client::Handle<SenderImpl>() { PI::copy(*this, s); }
+Sender::Sender(const Sender& s) : qpid::messaging::Handle<SenderImpl>() { PI::copy(*this, s); }
 Sender::~Sender() { PI::dtor(*this); }
 Sender& Sender::operator=(const Sender& s) { return PI::assign(*this, s); }
 void Sender::send(const Message& message) { impl->send(message); }
diff --git a/cpp/src/qpid/messaging/SenderImpl.h b/cpp/src/qpid/messaging/SenderImpl.h
index 0294688771..7653049c26 100644
--- a/cpp/src/qpid/messaging/SenderImpl.h
+++ b/cpp/src/qpid/messaging/SenderImpl.h
@@ -24,9 +24,6 @@
 #include "qpid/RefCounted.h"
 
 namespace qpid {
-namespace client {
-}
-
 namespace messaging {
 
 class Message;
diff --git a/cpp/src/qpid/messaging/Session.cpp b/cpp/src/qpid/messaging/Session.cpp
index 5d1a6fb815..2ac19727e3 100644
--- a/cpp/src/qpid/messaging/Session.cpp
+++ b/cpp/src/qpid/messaging/Session.cpp
@@ -25,21 +25,15 @@
 #include "qpid/messaging/Sender.h"
 #include "qpid/messaging/Receiver.h"
 #include "qpid/messaging/SessionImpl.h"
-#include "qpid/client/PrivateImplRef.h"
+#include "qpid/messaging/PrivateImplRef.h"
 
 namespace qpid {
-namespace client {
-
-typedef PrivateImplRef<qpid::messaging::Session> PI;
-
-}
-
 namespace messaging {
 
-using qpid::client::PI;
+typedef PrivateImplRef<qpid::messaging::Session> PI;
 
 Session::Session(SessionImpl* impl) { PI::ctor(*this, impl); }
-Session::Session(const Session& s) : qpid::client::Handle<SessionImpl>() { PI::copy(*this, s); }
+Session::Session(const Session& s) : Handle<SessionImpl>() { PI::copy(*this, s); }
 Session::~Session() { PI::dtor(*this); }
 Session& Session::operator=(const Session& s) { return PI::assign(*this, s); }
 void Session::commit() { impl->commit(); }
diff --git a/cpp/src/qpid/messaging/SessionImpl.h b/cpp/src/qpid/messaging/SessionImpl.h
index 653df8fdda..79f0d007b5 100644
--- a/cpp/src/qpid/messaging/SessionImpl.h
+++ b/cpp/src/qpid/messaging/SessionImpl.h
@@ -26,9 +26,6 @@
 #include "qpid/messaging/Duration.h"
 
 namespace qpid {
-namespace client {
-}
-
 namespace messaging {
 
 class Address;