src/main/decaf/util/concurrent/CancellationException.h

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/*
 * 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.
 */
#ifndef _DECAF_UTIL_CONCURRENT_CANCELLATIONEXCEPTION_H_
#define _DECAF_UTIL_CONCURRENT_CANCELLATIONEXCEPTION_H_

#include <decaf/lang/Exception.h>

namespace decaf{
namespace util{
namespace concurrent{

    /*
     * Exception indicating that the result of a value-producing task, such as a
     * FutureTask, cannot be retrieved because the task was canceled.
     */
    class DECAF_API CancellationException : public decaf::lang::Exception {
    public:

        CancellationException() throw() : decaf::lang::Exception() {}

        CancellationException( const decaf::lang::Exception& ex ) throw()
        : decaf::lang::Exception()
        {
            *(Exception*)this = ex;
        }

        CancellationException( const CancellationException& ex ) throw()
        : decaf::lang::Exception()
        {
            *(Exception*)this = ex;
        }

        CancellationException( const std::exception* cause )
            throw() : decaf::lang::Exception( cause ) {}

        CancellationException( const char* file, const int lineNumber,
                               const char* msg, ... ) throw()
            : decaf::lang::Exception()
        {

            va_list vargs;
            va_start( vargs, msg );
            buildMessage( msg, vargs );

            // Set the first mark for this exception.
            setMark( file, lineNumber );
        }

        CancellationException( const char* file, const int lineNumber,
                                const std::exception* cause,
                                const char* msg, ... ) throw()
            : decaf::lang::Exception( cause )
        {
            va_list vargs ;
            va_start( vargs, msg );
            buildMessage( msg, vargs );

            // Set the first mark for this exception.
            setMark( file, lineNumber );
        }

        virtual CancellationException* clone() const{
            return new CancellationException( *this );
        }

        virtual ~CancellationException() throw() {}

    };

}}}

#endif /*_DECAF_UTIL_CONCURRENT_CANCELLATIONEXCEPTION_H_*/