summaryrefslogtreecommitdiff
path: root/cpp/include/qpid/sys/ExceptionHolder.h
diff options
context:
space:
mode:
Diffstat (limited to 'cpp/include/qpid/sys/ExceptionHolder.h')
-rw-r--r--cpp/include/qpid/sys/ExceptionHolder.h71
1 files changed, 0 insertions, 71 deletions
diff --git a/cpp/include/qpid/sys/ExceptionHolder.h b/cpp/include/qpid/sys/ExceptionHolder.h
deleted file mode 100644
index 4bc934cf75..0000000000
--- a/cpp/include/qpid/sys/ExceptionHolder.h
+++ /dev/null
@@ -1,71 +0,0 @@
-#ifndef QPID_EXCEPTIONHOLDER_H
-#define QPID_EXCEPTIONHOLDER_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 <boost/shared_ptr.hpp>
-
-
-namespace qpid {
-namespace sys {
-
-struct Raisable {
- virtual ~Raisable() {};
- virtual void raise() const=0;
- virtual std::string what() const=0;
-};
-
-/**
- * Holder for exceptions. Allows the thread that notices an error condition to
- * create an exception and store it to be thrown by another thread.
- */
-class ExceptionHolder : public Raisable {
- public:
- ExceptionHolder() {}
- // Use default copy & assign.
-
- /** Take ownership of ex */
- template <class Ex> ExceptionHolder(Ex* ex) { wrap(ex); }
- template <class Ex> ExceptionHolder& operator=(Ex* ex) { wrap(ex); return *this; }
-
- void raise() const { if (wrapper.get()) wrapper->raise() ; }
- std::string what() const { return wrapper.get() ? wrapper->what() : std::string(); }
- bool empty() const { return !wrapper.get(); }
- operator bool() const { return !empty(); }
- void reset() { wrapper.reset(); }
-
- private:
- template <class Ex> struct Wrapper : public Raisable {
- Wrapper(Ex* ptr) : exception(ptr) {}
- void raise() const { throw *exception; }
- std::string what() const { return exception->what(); }
- boost::shared_ptr<Ex> exception;
- };
- template <class Ex> void wrap(Ex* ex) { wrapper.reset(new Wrapper<Ex>(ex)); }
- boost::shared_ptr<Raisable> wrapper;
-};
-
-
-}} // namespace qpid::sys
-
-
-#endif /*!QPID_EXCEPTIONHOLDER_H*/