AtomicInteger.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_ATOMIC_ATOMICINTEGER_H_
#define _DECAF_UTIL_CONCURRENT_ATOMIC_ATOMICINTEGER_H_

#include <decaf/util/Config.h>
#include <decaf/lang/Number.h>
#include <string>

namespace decaf {
namespace util {
namespace concurrent {
namespace atomic {

    class DECAF_API AtomicInteger : public decaf::lang::Number {
    private:

        volatile int value;

    private:

        AtomicInteger(const AtomicInteger&);
        AtomicInteger& operator= (const AtomicInteger&);

    public:

        AtomicInteger();

        AtomicInteger( int initialValue );

        virtual ~AtomicInteger() {}

        int get() const {
            return this->value;
        }

        void set( int newValue ) {
            this->value = newValue;
        }

        int getAndSet( int newValue );

        bool compareAndSet( int expect, int update );

        int getAndIncrement();

        int getAndDecrement();

        int getAndAdd( int delta );

        int incrementAndGet();

        int decrementAndGet();

        int addAndGet( int delta );

        std::string toString() const;

        int intValue() const;

        long long longValue() const;

        float floatValue() const;

        double doubleValue() const;

    };

}}}}

#endif /*_DECAF_UTIL_CONCURRENT_ATOMIC_ATOMICINTEGER_H_ */