/* This file is part of VoltDB.
 * Copyright (C) 2008-2017 VoltDB Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */
package org.voltcore.network;

import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedTransferQueue;

import com.google_voltpatches.common.base.Throwables;
import org.voltcore.utils.DeferredSerialization;

public class MockWriteStream implements WriteStream {
    public BlockingQueue<ByteBuffer> m_messages = new LinkedTransferQueue<ByteBuffer>();

    @Override
    public boolean hadBackPressure() {
        throw new UnsupportedOperationException();
    }

    @Override
    public void fastEnqueue(DeferredSerialization ds) {
        enqueue(ds);
    }

    @Override
    public void enqueue(DeferredSerialization ds) {
        try {
            ByteBuffer buf = ByteBuffer.allocate(ds.getSerializedSize());
            ds.serialize(buf);
            m_messages.offer(buf);
        } catch (IOException e) {
            Throwables.propagate(e);
        }
    }

    @Override
    public void enqueue(ByteBuffer b) {
        m_messages.offer( b );
    }

    @Override
    public int calculatePendingWriteDelta(long now) {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean isEmpty() {
        throw new UnsupportedOperationException();
    }

    @Override
    public int getOutstandingMessageCount() {
        throw new UnsupportedOperationException();
    }

    @Override
    public void enqueue(ByteBuffer[] b) {
        for (ByteBuffer buf : b) {
            m_messages.offer(buf);
        }
    }

}