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/*
* 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 <arrow/api.h>
#include <arrow-glib/error.hpp>
#include <arrow-glib/writable.hpp>
G_BEGIN_DECLS
/**
* SECTION: writable
* @title: GArrowWritable
* @short_description: Output interface
*
* #GArrowWritable is an interface for output. Output must be
* writable.
*/
G_DEFINE_INTERFACE(GArrowWritable,
garrow_writable,
G_TYPE_OBJECT)
static void
garrow_writable_default_init(GArrowWritableInterface *iface)
{
}
/**
* garrow_writable_write:
* @writable: A #GArrowWritable.
* @data: (array length=n_bytes): The data to be written.
* @n_bytes: The number of bytes to be written.
* @error: (nullable): Return location for a #GError or %NULL.
*
* Returns: %TRUE on success, %FALSE if there was an error.
*/
gboolean
garrow_writable_write(GArrowWritable *writable,
const guint8 *data,
gint64 n_bytes,
GError **error)
{
const auto arrow_writable = garrow_writable_get_raw(writable);
auto status = arrow_writable->Write(data, n_bytes);
return garrow_error_check(error, status, "[io][writable][write]");
}
/**
* garrow_writable_flush:
* @writable: A #GArrowWritable.
* @error: (nullable): Return location for a #GError or %NULL.
*
* It ensures writing all data on memory to storage.
*
* Returns: %TRUE on success, %FALSE if there was an error.
*/
gboolean
garrow_writable_flush(GArrowWritable *writable,
GError **error)
{
const auto arrow_writable = garrow_writable_get_raw(writable);
auto status = arrow_writable->Flush();
return garrow_error_check(error, status, "[io][writable][flush]");
}
G_END_DECLS
std::shared_ptr<arrow::io::Writable>
garrow_writable_get_raw(GArrowWritable *writable)
{
auto *iface = GARROW_WRITABLE_GET_IFACE(writable);
return iface->get_raw(writable);
}
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