QueueReader.cc

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//=============================================================================
//  Computational Process Networks class library
//  Copyright (C) 1997-2006  Gregory E. Allen and The University of Texas
//
//  This library is free software; you can redistribute it and/or modify it
//  under the terms of the GNU Library General Public License as published
//  by the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This library is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
//  Library General Public License for more details.
//
//  The GNU Public License is available in the file LICENSE, or you
//  can write to the Free Software Foundation, Inc., 59 Temple Place -
//  Suite 330, Boston, MA 02111-1307, USA, or you can find it on the
//  World Wide Web at http://www.fsf.org.
//=============================================================================
#include "common_priv.h"
#include <cpn/bits/QueueReader.h>
#include <cpn/bits/QueueReleaser.h>
#include "QueueBase.h"

namespace CPN {

    QueueReader::QueueReader(QueueReleaser *qr, shared_ptr<QueueBase> q)
        : releaser(qr), queue(q)
    {
    }

    QueueReader::~QueueReader() {
        queue->ShutdownReader();
    }

    const void* QueueReader::GetRawDequeuePtr(unsigned thresh, unsigned chan) {
        return queue->GetRawDequeuePtr(thresh, chan);
    }

    void QueueReader::Dequeue(unsigned count) { queue->Dequeue(count); }

    bool QueueReader::RawDequeue(void *data, unsigned count,
            unsigned numChans, unsigned chanStride) {
        return queue->RawDequeue(data, count, numChans, chanStride);
    }

    bool QueueReader::RawDequeue(void *data, unsigned count) {
        return queue->RawDequeue(data, count);
    }

    void QueueReader::Reset() { queue->Reset(); }

    bool QueueReader::Flushed() const { return queue->Flushed(); }

    unsigned QueueReader::NumChannels() const { return queue->NumChannels(); }

    unsigned QueueReader::MaxThreshold() const { return queue->MaxThreshold(); }

    unsigned QueueReader::QueueLength() const { return queue->QueueLength(); }

    unsigned QueueReader::Count() const { return queue->Count(); }

    bool QueueReader::Empty() const { return queue->Empty(); }

    const std::string &QueueReader::GetDatatype() const {
        return queue->GetDatatype();
    }

    unsigned QueueReader::ChannelStride() const { return queue->DequeueChannelStride(); }

    Key_t QueueReader::GetKey() const { return queue->GetReaderKey(); }

    void QueueReader::NotifyTerminate() { queue->NotifyTerminate(); }

    void QueueReader::Release() {
        queue->ShutdownReader();
        releaser->ReleaseReader(GetKey());
    }
}