src/paimon/common/io/data_output_stream.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 "paimon/common/io/data_output_stream.h"

#include "fmt/format.h"
#include "paimon/memory/bytes.h"
#include "paimon/result.h"

namespace paimon {
DataOutputStream::DataOutputStream(const std::shared_ptr<OutputStream>& output_stream)
    : owned_output_stream_(output_stream), output_stream_(owned_output_stream_.get()) {
    assert(output_stream_);
}

DataOutputStream::DataOutputStream(OutputStream* output_stream) : output_stream_(output_stream) {
    assert(output_stream_);
}

Status DataOutputStream::WriteBytes(const std::shared_ptr<Bytes>& bytes) {
    int64_t write_length = bytes->size();
    PAIMON_ASSIGN_OR_RAISE(int64_t actual_write_length,
                           output_stream_->Write(bytes->data(), write_length));
    PAIMON_RETURN_NOT_OK(AssertWriteLength(write_length, actual_write_length));
    return Status::OK();
}

Status DataOutputStream::WriteString(const std::string& value) {
    uint16_t write_length = value.size();
    PAIMON_RETURN_NOT_OK(WriteValue<uint16_t>(write_length));
    PAIMON_ASSIGN_OR_RAISE(int64_t actual_write_length,
                           output_stream_->Write(value.data(), write_length));
    PAIMON_RETURN_NOT_OK(AssertWriteLength(write_length, actual_write_length));
    return Status::OK();
}

Status DataOutputStream::AssertWriteLength(int64_t write_length,
                                           int64_t actual_write_length) const {
    if (write_length != actual_write_length) {
        return Status::Invalid(fmt::format(
            "assert write length failed: write length not match, write length {}, actual "
            "write length {}",
            write_length, actual_write_length));
    }
    return Status::OK();
}

bool DataOutputStream::NeedSwap() const {
    return SystemByteOrder() != byte_order_;
}

template Status DataOutputStream::WriteValue(const bool&);
template Status DataOutputStream::WriteValue(const char&);
template Status DataOutputStream::WriteValue(const int16_t&);
template Status DataOutputStream::WriteValue(const uint16_t&);
template Status DataOutputStream::WriteValue(const int32_t&);
template Status DataOutputStream::WriteValue(const int64_t&);
}  // namespace paimon