src/paimon/common/utils/arrow/arrow_output_stream_adapter.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/utils/arrow/arrow_output_stream_adapter.h"

#include "arrow/result.h"
#include "fmt/format.h"
#include "paimon/common/utils/arrow/status_utils.h"
#include "paimon/fs/file_system.h"
#include "paimon/result.h"

namespace paimon {

ArrowOutputStreamAdapter::ArrowOutputStreamAdapter(const std::shared_ptr<paimon::OutputStream>& out)
    : out_(out) {}

arrow::Status ArrowOutputStreamAdapter::Close() {
    // output stream close is called by paimon framework(such as single file writer), no need to
    // close here
    closed_ = true;
    return arrow::Status::OK();
}

arrow::Result<int64_t> ArrowOutputStreamAdapter::Tell() const {
    paimon::Result<int64_t> pos = out_->GetPos();
    if (!pos.ok()) {
        return ToArrowStatus(pos.status());
    }
    return pos.value();
}

bool ArrowOutputStreamAdapter::closed() const {
    return closed_;
}

arrow::Status ArrowOutputStreamAdapter::Write(const void* data, int64_t nbytes) {
    if (nbytes < 0) {
        return arrow::Status::Invalid(fmt::format("write size {} is less than 0", nbytes));
    }
    Result<int64_t> len = out_->Write(static_cast<const char*>(data), nbytes);
    if (!len.ok()) {
        return ToArrowStatus(len.status());
    }
    if (len.value() != nbytes) {
        return arrow::Status::IOError(
            fmt::format("expect write len {} mismatch actual write len {}", nbytes, len.value()));
    }
    return arrow::Status::OK();
}

arrow::Status ArrowOutputStreamAdapter::Flush() {
    return ToArrowStatus(out_->Flush());
}

}  // namespace paimon