src/main/decaf/util/concurrent/CountDownLatch.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_CONCURRENT_COUNTDOWNLATCH_H_
#define _DECAF_CONCURRENT_COUNTDOWNLATCH_H_

#include <decaf/util/concurrent/Mutex.h>
#include <decaf/util/concurrent/TimeUnit.h>
#include <decaf/util/Config.h>
#include <decaf/lang/exceptions/InterruptedException.h>
#include <decaf/lang/Exception.h>

namespace decaf{
namespace util{
namespace concurrent{

    class DECAF_API CountDownLatch {
    private:

        int count;

        Mutex mutex;

    public:

        CountDownLatch( int count );

        virtual ~CountDownLatch();

        virtual void await();

        virtual bool await( long long timeOut );

        virtual bool await( long long timeout, const TimeUnit& unit );

        virtual void countDown();

        virtual int getCount() const {
            return this->count;
        }

    };

}}}

#endif /*_DECAF_CONCURRENT_COUNTDOWNLATCH_H_*/