result_page.cpp

/*
 * 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.
 */

#include <ignite/impl/interop/interop_input_stream.h>

#include "ignite/odbc/result_page.h"
#include "ignite/odbc/utility.h"

namespace ignite
{
    namespace odbc
    {
        ResultPage::ResultPage() :
            last(false), size(0), data(DEFAULT_ALLOCATED_MEMORY)
        {
            //No-op.
        }

        ResultPage::~ResultPage()
        {
            //No-op.
        }

        void ResultPage::Read(ignite::impl::binary::BinaryReaderImpl& reader)
        {
            last = reader.ReadBool();
            size = reader.ReadInt32();

            impl::interop::InteropInputStream& stream = *reader.GetStream();

            int32_t dataToRead = stream.Remaining();

            data.Length(dataToRead);

            if (dataToRead)
            {
                data.Reallocate(dataToRead);

                reader.GetStream()->ReadInt8Array(data.Data(), dataToRead);
            }
        }
    }
}