ISemaphore.h

/*
 * Copyright (c) 2008-2019, Hazelcast, Inc. All Rights Reserved.
 *
 * Licensed 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 HAZELCAST_ISEMAPHORE
#define HAZELCAST_ISEMAPHORE

#include <string>
#include <stdint.h>
#include <stdexcept>
#include "hazelcast/client/proxy/ProxyImpl.h"
#include "hazelcast/client/exception/IException.h"

namespace hazelcast {
    namespace client {
        class HAZELCAST_API ISemaphore : public proxy::ProxyImpl {
            friend class impl::HazelcastClientInstanceImpl;

        public:

            bool init(int permits);

            void acquire();

            void acquire(int permits);


            int availablePermits();


            int drainPermits();

            void reducePermits(int reduction);

            void increasePermits(int32_t increase);

            void release();

            void release(int permits);

            bool tryAcquire();

            bool tryAcquire(int permits);

            bool tryAcquire(long timeoutInMillis);

            bool tryAcquire(int permits, long timeoutInMillis);

        private:

            ISemaphore(const std::string &instanceName, spi::ClientContext *context);

            void checkNegative(int32_t permits) const;

            int partitionId;
        };
    }
}

#endif /* HAZELCAST_ISEMAPHORE */