1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
/*
* 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-glib/file-system.hpp>
#include <arrow-glib/local-file-system.hpp>
G_BEGIN_DECLS
/**
* SECTION: local-file-system
* @section_id: local-file-system-classes
* @title: Local file system classes
* @include: arrow-glib/arrow-glib.h
*
* #GArrowLocalFileSystemOptions is a class for specifyiing options of
* an instance of #GArrowLocalFileSystem.
*
* #GArrowLocalFileSystem is a class for an implementation of a file system
* that accesses files on the local machine.
*/
typedef struct GArrowLocalFileSystemOptionsPrivate_ {
arrow::fs::LocalFileSystemOptions local_file_system_options;
} GArrowLocalFileSystemOptionsPrivate;
enum {
PROP_LOCAL_FILE_SYSTEM_OPTIONS_USE_MMAP = 1,
};
G_DEFINE_TYPE_WITH_PRIVATE(GArrowLocalFileSystemOptions,
garrow_local_file_system_options,
G_TYPE_OBJECT)
#define GARROW_LOCAL_FILE_SYSTEM_OPTIONS_GET_PRIVATE(obj) \
static_cast<GArrowLocalFileSystemOptionsPrivate *>( \
garrow_local_file_system_options_get_instance_private( \
GARROW_LOCAL_FILE_SYSTEM_OPTIONS(obj)))
static void
garrow_local_file_system_options_finalize(GObject *object)
{
auto priv = GARROW_LOCAL_FILE_SYSTEM_OPTIONS_GET_PRIVATE(object);
priv->local_file_system_options.~LocalFileSystemOptions();
G_OBJECT_CLASS(garrow_local_file_system_options_parent_class)->finalize(object);
}
static void
garrow_local_file_system_options_set_property(GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
auto priv = GARROW_LOCAL_FILE_SYSTEM_OPTIONS_GET_PRIVATE(object);
switch (prop_id) {
case PROP_LOCAL_FILE_SYSTEM_OPTIONS_USE_MMAP:
priv->local_file_system_options.use_mmap = g_value_get_boolean(value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void
garrow_local_file_system_options_get_property(GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
auto priv = GARROW_LOCAL_FILE_SYSTEM_OPTIONS_GET_PRIVATE(object);
switch (prop_id) {
case PROP_LOCAL_FILE_SYSTEM_OPTIONS_USE_MMAP:
g_value_set_boolean(value, priv->local_file_system_options.use_mmap);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void
garrow_local_file_system_options_init(GArrowLocalFileSystemOptions *object)
{
auto priv = GARROW_LOCAL_FILE_SYSTEM_OPTIONS_GET_PRIVATE(object);
new(&priv->local_file_system_options) arrow::fs::LocalFileSystemOptions;
}
static void
garrow_local_file_system_options_class_init(GArrowLocalFileSystemOptionsClass *klass)
{
GParamSpec *spec;
auto gobject_class = G_OBJECT_CLASS(klass);
gobject_class->finalize = garrow_local_file_system_options_finalize;
gobject_class->set_property = garrow_local_file_system_options_set_property;
gobject_class->get_property = garrow_local_file_system_options_get_property;
auto local_file_system_options = arrow::fs::LocalFileSystemOptions::Defaults();
/**
* GArrowLocalFileSystemOptions:use-mmap:
*
* Whether open_input_stream and open_input_file return a mmap'ed file,
* or a regular one.
*
* Since: 0.17.0
*/
spec = g_param_spec_boolean("use-mmap",
"Use mmap",
"Whether to use mmap",
local_file_system_options.use_mmap,
static_cast<GParamFlags>(G_PARAM_READWRITE));
g_object_class_install_property(gobject_class,
PROP_LOCAL_FILE_SYSTEM_OPTIONS_USE_MMAP,
spec);
}
/**
* garrow_local_file_system_options_new:
*
* Returns: (transfer full): A newly created #GArrowLocalFileSystemOptions.
*
* Since: 0.17.0
*/
GArrowLocalFileSystemOptions *
garrow_local_file_system_options_new(void)
{
return GARROW_LOCAL_FILE_SYSTEM_OPTIONS(
g_object_new(GARROW_TYPE_LOCAL_FILE_SYSTEM_OPTIONS, NULL));
}
/* arrow::fs::LocalFileSystem */
G_DEFINE_TYPE(GArrowLocalFileSystem,
garrow_local_file_system,
GARROW_TYPE_FILE_SYSTEM)
static void
garrow_local_file_system_init(GArrowLocalFileSystem *file_system)
{
}
static void
garrow_local_file_system_class_init(GArrowLocalFileSystemClass *klass)
{
}
/**
* garrow_local_file_system_new:
* @options: (nullable): A #GArrowLocalFileSystemOptions.
*
* Returns: (transfer full): A newly created #GArrowLocalFileSystem.
*
* Since: 0.17.0
*/
GArrowLocalFileSystem *
garrow_local_file_system_new(GArrowLocalFileSystemOptions *options)
{
if (options) {
const auto &arrow_options =
garrow_local_file_system_options_get_raw(options);
auto arrow_local_file_system =
std::static_pointer_cast<arrow::fs::FileSystem>(
std::make_shared<arrow::fs::LocalFileSystem>(arrow_options));
return garrow_local_file_system_new_raw(&arrow_local_file_system);
} else {
auto arrow_local_file_system =
std::static_pointer_cast<arrow::fs::FileSystem>(
std::make_shared<arrow::fs::LocalFileSystem>());
return garrow_local_file_system_new_raw(&arrow_local_file_system);
}
}
G_END_DECLS
arrow::fs::LocalFileSystemOptions &
garrow_local_file_system_options_get_raw(GArrowLocalFileSystemOptions *options)
{
auto priv = GARROW_LOCAL_FILE_SYSTEM_OPTIONS_GET_PRIVATE(options);
return priv->local_file_system_options;
}
GArrowLocalFileSystem *
garrow_local_file_system_new_raw(std::shared_ptr<arrow::fs::FileSystem> *arrow_file_system)
{
return GARROW_LOCAL_FILE_SYSTEM(
g_object_new(GARROW_TYPE_LOCAL_FILE_SYSTEM,
"file-system", arrow_file_system,
NULL));
}
|
