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
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
// 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.

#![allow(dead_code)]
#![allow(unused_imports)]

use crate::gen::Schema::*;
use crate::gen::SparseTensor::*;
use crate::gen::Tensor::*;
use flatbuffers::EndianScalar;
use std::{cmp::Ordering, mem};
// automatically generated by the FlatBuffers compiler, do not modify

#[deprecated(
    since = "2.0.0",
    note = "Use associated constants instead. This will no longer be generated in 2021."
)]
pub const ENUM_MIN_COMPRESSION_TYPE: i8 = 0;
#[deprecated(
    since = "2.0.0",
    note = "Use associated constants instead. This will no longer be generated in 2021."
)]
pub const ENUM_MAX_COMPRESSION_TYPE: i8 = 1;
#[deprecated(
    since = "2.0.0",
    note = "Use associated constants instead. This will no longer be generated in 2021."
)]
#[allow(non_camel_case_types)]
pub const ENUM_VALUES_COMPRESSION_TYPE: [CompressionType; 2] =
    [CompressionType::LZ4_FRAME, CompressionType::ZSTD];

#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
#[repr(transparent)]
pub struct CompressionType(pub i8);
#[allow(non_upper_case_globals)]
impl CompressionType {
    pub const LZ4_FRAME: Self = Self(0);
    pub const ZSTD: Self = Self(1);

    pub const ENUM_MIN: i8 = 0;
    pub const ENUM_MAX: i8 = 1;
    pub const ENUM_VALUES: &'static [Self] = &[Self::LZ4_FRAME, Self::ZSTD];
    /// Returns the variant's name or "" if unknown.
    pub fn variant_name(self) -> Option<&'static str> {
        match self {
            Self::LZ4_FRAME => Some("LZ4_FRAME"),
            Self::ZSTD => Some("ZSTD"),
            _ => None,
        }
    }
}
impl core::fmt::Debug for CompressionType {
    fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
        if let Some(name) = self.variant_name() {
            f.write_str(name)
        } else {
            f.write_fmt(format_args!("<UNKNOWN {:?}>", self.0))
        }
    }
}
impl<'a> flatbuffers::Follow<'a> for CompressionType {
    type Inner = Self;
    #[inline]
    unsafe fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
        let b = flatbuffers::read_scalar_at::<i8>(buf, loc);
        Self(b)
    }
}

impl flatbuffers::Push for CompressionType {
    type Output = CompressionType;
    #[inline]
    unsafe fn push(&self, dst: &mut [u8], _written_len: usize) {
        flatbuffers::emplace_scalar::<i8>(dst, self.0);
    }
}

impl flatbuffers::EndianScalar for CompressionType {
    type Scalar = i8;
    #[inline]
    fn to_little_endian(self) -> i8 {
        self.0.to_le()
    }
    #[inline]
    #[allow(clippy::wrong_self_convention)]
    fn from_little_endian(v: i8) -> Self {
        let b = i8::from_le(v);
        Self(b)
    }
}

impl<'a> flatbuffers::Verifiable for CompressionType {
    #[inline]
    fn run_verifier(
        v: &mut flatbuffers::Verifier,
        pos: usize,
    ) -> Result<(), flatbuffers::InvalidFlatbuffer> {
        use flatbuffers::Verifiable;
        i8::run_verifier(v, pos)
    }
}

impl flatbuffers::SimpleToVerifyInSlice for CompressionType {}
#[deprecated(
    since = "2.0.0",
    note = "Use associated constants instead. This will no longer be generated in 2021."
)]
pub const ENUM_MIN_BODY_COMPRESSION_METHOD: i8 = 0;
#[deprecated(
    since = "2.0.0",
    note = "Use associated constants instead. This will no longer be generated in 2021."
)]
pub const ENUM_MAX_BODY_COMPRESSION_METHOD: i8 = 0;
#[deprecated(
    since = "2.0.0",
    note = "Use associated constants instead. This will no longer be generated in 2021."
)]
#[allow(non_camel_case_types)]
pub const ENUM_VALUES_BODY_COMPRESSION_METHOD: [BodyCompressionMethod; 1] =
    [BodyCompressionMethod::BUFFER];

/// Provided for forward compatibility in case we need to support different
/// strategies for compressing the IPC message body (like whole-body
/// compression rather than buffer-level) in the future
#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
#[repr(transparent)]
pub struct BodyCompressionMethod(pub i8);
#[allow(non_upper_case_globals)]
impl BodyCompressionMethod {
    /// Each constituent buffer is first compressed with the indicated
    /// compressor, and then written with the uncompressed length in the first 8
    /// bytes as a 64-bit little-endian signed integer followed by the compressed
    /// buffer bytes (and then padding as required by the protocol). The
    /// uncompressed length may be set to -1 to indicate that the data that
    /// follows is not compressed, which can be useful for cases where
    /// compression does not yield appreciable savings.
    pub const BUFFER: Self = Self(0);

    pub const ENUM_MIN: i8 = 0;
    pub const ENUM_MAX: i8 = 0;
    pub const ENUM_VALUES: &'static [Self] = &[Self::BUFFER];
    /// Returns the variant's name or "" if unknown.
    pub fn variant_name(self) -> Option<&'static str> {
        match self {
            Self::BUFFER => Some("BUFFER"),
            _ => None,
        }
    }
}
impl core::fmt::Debug for BodyCompressionMethod {
    fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
        if let Some(name) = self.variant_name() {
            f.write_str(name)
        } else {
            f.write_fmt(format_args!("<UNKNOWN {:?}>", self.0))
        }
    }
}
impl<'a> flatbuffers::Follow<'a> for BodyCompressionMethod {
    type Inner = Self;
    #[inline]
    unsafe fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
        let b = flatbuffers::read_scalar_at::<i8>(buf, loc);
        Self(b)
    }
}

impl flatbuffers::Push for BodyCompressionMethod {
    type Output = BodyCompressionMethod;
    #[inline]
    unsafe fn push(&self, dst: &mut [u8], _written_len: usize) {
        flatbuffers::emplace_scalar::<i8>(dst, self.0);
    }
}

impl flatbuffers::EndianScalar for BodyCompressionMethod {
    type Scalar = i8;
    #[inline]
    fn to_little_endian(self) -> i8 {
        self.0.to_le()
    }
    #[inline]
    #[allow(clippy::wrong_self_convention)]
    fn from_little_endian(v: i8) -> Self {
        let b = i8::from_le(v);
        Self(b)
    }
}

impl<'a> flatbuffers::Verifiable for BodyCompressionMethod {
    #[inline]
    fn run_verifier(
        v: &mut flatbuffers::Verifier,
        pos: usize,
    ) -> Result<(), flatbuffers::InvalidFlatbuffer> {
        use flatbuffers::Verifiable;
        i8::run_verifier(v, pos)
    }
}

impl flatbuffers::SimpleToVerifyInSlice for BodyCompressionMethod {}
#[deprecated(
    since = "2.0.0",
    note = "Use associated constants instead. This will no longer be generated in 2021."
)]
pub const ENUM_MIN_MESSAGE_HEADER: u8 = 0;
#[deprecated(
    since = "2.0.0",
    note = "Use associated constants instead. This will no longer be generated in 2021."
)]
pub const ENUM_MAX_MESSAGE_HEADER: u8 = 5;
#[deprecated(
    since = "2.0.0",
    note = "Use associated constants instead. This will no longer be generated in 2021."
)]
#[allow(non_camel_case_types)]
pub const ENUM_VALUES_MESSAGE_HEADER: [MessageHeader; 6] = [
    MessageHeader::NONE,
    MessageHeader::Schema,
    MessageHeader::DictionaryBatch,
    MessageHeader::RecordBatch,
    MessageHeader::Tensor,
    MessageHeader::SparseTensor,
];

/// ----------------------------------------------------------------------
/// The root Message type
/// This union enables us to easily send different message types without
/// redundant storage, and in the future we can easily add new message types.
///
/// Arrow implementations do not need to implement all of the message types,
/// which may include experimental metadata types. For maximum compatibility,
/// it is best to send data using RecordBatch
#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
#[repr(transparent)]
pub struct MessageHeader(pub u8);
#[allow(non_upper_case_globals)]
impl MessageHeader {
    pub const NONE: Self = Self(0);
    pub const Schema: Self = Self(1);
    pub const DictionaryBatch: Self = Self(2);
    pub const RecordBatch: Self = Self(3);
    pub const Tensor: Self = Self(4);
    pub const SparseTensor: Self = Self(5);

    pub const ENUM_MIN: u8 = 0;
    pub const ENUM_MAX: u8 = 5;
    pub const ENUM_VALUES: &'static [Self] = &[
        Self::NONE,
        Self::Schema,
        Self::DictionaryBatch,
        Self::RecordBatch,
        Self::Tensor,
        Self::SparseTensor,
    ];
    /// Returns the variant's name or "" if unknown.
    pub fn variant_name(self) -> Option<&'static str> {
        match self {
            Self::NONE => Some("NONE"),
            Self::Schema => Some("Schema"),
            Self::DictionaryBatch => Some("DictionaryBatch"),
            Self::RecordBatch => Some("RecordBatch"),
            Self::Tensor => Some("Tensor"),
            Self::SparseTensor => Some("SparseTensor"),
            _ => None,
        }
    }
}
impl core::fmt::Debug for MessageHeader {
    fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
        if let Some(name) = self.variant_name() {
            f.write_str(name)
        } else {
            f.write_fmt(format_args!("<UNKNOWN {:?}>", self.0))
        }
    }
}
impl<'a> flatbuffers::Follow<'a> for MessageHeader {
    type Inner = Self;
    #[inline]
    unsafe fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
        let b = flatbuffers::read_scalar_at::<u8>(buf, loc);
        Self(b)
    }
}

impl flatbuffers::Push for MessageHeader {
    type Output = MessageHeader;
    #[inline]
    unsafe fn push(&self, dst: &mut [u8], _written_len: usize) {
        flatbuffers::emplace_scalar::<u8>(dst, self.0);
    }
}

impl flatbuffers::EndianScalar for MessageHeader {
    type Scalar = u8;
    #[inline]
    fn to_little_endian(self) -> u8 {
        self.0.to_le()
    }
    #[inline]
    #[allow(clippy::wrong_self_convention)]
    fn from_little_endian(v: u8) -> Self {
        let b = u8::from_le(v);
        Self(b)
    }
}

impl<'a> flatbuffers::Verifiable for MessageHeader {
    #[inline]
    fn run_verifier(
        v: &mut flatbuffers::Verifier,
        pos: usize,
    ) -> Result<(), flatbuffers::InvalidFlatbuffer> {
        use flatbuffers::Verifiable;
        u8::run_verifier(v, pos)
    }
}

impl flatbuffers::SimpleToVerifyInSlice for MessageHeader {}
pub struct MessageHeaderUnionTableOffset {}

/// ----------------------------------------------------------------------
/// Data structures for describing a table row batch (a collection of
/// equal-length Arrow arrays)
/// Metadata about a field at some level of a nested type tree (but not
/// its children).
///
/// For example, a `List<Int16>` with values `[[1, 2, 3], null, [4], [5, 6], null]`
/// would have {length: 5, null_count: 2} for its List node, and {length: 6,
/// null_count: 0} for its Int16 node, as separate FieldNode structs
// struct FieldNode, aligned to 8
#[repr(transparent)]
#[derive(Clone, Copy, PartialEq)]
pub struct FieldNode(pub [u8; 16]);
impl Default for FieldNode {
    fn default() -> Self {
        Self([0; 16])
    }
}
impl core::fmt::Debug for FieldNode {
    fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
        f.debug_struct("FieldNode")
            .field("length", &self.length())
            .field("null_count", &self.null_count())
            .finish()
    }
}

impl flatbuffers::SimpleToVerifyInSlice for FieldNode {}
impl<'a> flatbuffers::Follow<'a> for FieldNode {
    type Inner = &'a FieldNode;
    #[inline]
    unsafe fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
        <&'a FieldNode>::follow(buf, loc)
    }
}
impl<'a> flatbuffers::Follow<'a> for &'a FieldNode {
    type Inner = &'a FieldNode;
    #[inline]
    unsafe fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
        flatbuffers::follow_cast_ref::<FieldNode>(buf, loc)
    }
}
impl<'b> flatbuffers::Push for FieldNode {
    type Output = FieldNode;
    #[inline]
    unsafe fn push(&self, dst: &mut [u8], _written_len: usize) {
        let src = ::core::slice::from_raw_parts(
            self as *const FieldNode as *const u8,
            Self::size(),
        );
        dst.copy_from_slice(src);
    }
}

impl<'a> flatbuffers::Verifiable for FieldNode {
    #[inline]
    fn run_verifier(
        v: &mut flatbuffers::Verifier,
        pos: usize,
    ) -> Result<(), flatbuffers::InvalidFlatbuffer> {
        use flatbuffers::Verifiable;
        v.in_buffer::<Self>(pos)
    }
}

impl<'a> FieldNode {
    #[allow(clippy::too_many_arguments)]
    pub fn new(length: i64, null_count: i64) -> Self {
        let mut s = Self([0; 16]);
        s.set_length(length);
        s.set_null_count(null_count);
        s
    }

    /// The number of value slots in the Arrow array at this level of a nested
    /// tree
    pub fn length(&self) -> i64 {
        let mut mem = core::mem::MaybeUninit::<<i64 as EndianScalar>::Scalar>::uninit();
        // Safety:
        // Created from a valid Table for this object
        // Which contains a valid value in this slot
        EndianScalar::from_little_endian(unsafe {
            core::ptr::copy_nonoverlapping(
                self.0[0..].as_ptr(),
                mem.as_mut_ptr() as *mut u8,
                core::mem::size_of::<<i64 as EndianScalar>::Scalar>(),
            );
            mem.assume_init()
        })
    }

    pub fn set_length(&mut self, x: i64) {
        let x_le = x.to_little_endian();
        // Safety:
        // Created from a valid Table for this object
        // Which contains a valid value in this slot
        unsafe {
            core::ptr::copy_nonoverlapping(
                &x_le as *const _ as *const u8,
                self.0[0..].as_mut_ptr(),
                core::mem::size_of::<<i64 as EndianScalar>::Scalar>(),
            );
        }
    }

    /// The number of observed nulls. Fields with null_count == 0 may choose not
    /// to write their physical validity bitmap out as a materialized buffer,
    /// instead setting the length of the bitmap buffer to 0.
    pub fn null_count(&self) -> i64 {
        let mut mem = core::mem::MaybeUninit::<<i64 as EndianScalar>::Scalar>::uninit();
        // Safety:
        // Created from a valid Table for this object
        // Which contains a valid value in this slot
        EndianScalar::from_little_endian(unsafe {
            core::ptr::copy_nonoverlapping(
                self.0[8..].as_ptr(),
                mem.as_mut_ptr() as *mut u8,
                core::mem::size_of::<<i64 as EndianScalar>::Scalar>(),
            );
            mem.assume_init()
        })
    }

    pub fn set_null_count(&mut self, x: i64) {
        let x_le = x.to_little_endian();
        // Safety:
        // Created from a valid Table for this object
        // Which contains a valid value in this slot
        unsafe {
            core::ptr::copy_nonoverlapping(
                &x_le as *const _ as *const u8,
                self.0[8..].as_mut_ptr(),
                core::mem::size_of::<<i64 as EndianScalar>::Scalar>(),
            );
        }
    }
}

pub enum BodyCompressionOffset {}
#[derive(Copy, Clone, PartialEq)]

/// Optional compression for the memory buffers constituting IPC message
/// bodies. Intended for use with RecordBatch but could be used for other
/// message types
pub struct BodyCompression<'a> {
    pub _tab: flatbuffers::Table<'a>,
}

impl<'a> flatbuffers::Follow<'a> for BodyCompression<'a> {
    type Inner = BodyCompression<'a>;
    #[inline]
    unsafe fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
        Self {
            _tab: flatbuffers::Table::new(buf, loc),
        }
    }
}

impl<'a> BodyCompression<'a> {
    pub const VT_CODEC: flatbuffers::VOffsetT = 4;
    pub const VT_METHOD: flatbuffers::VOffsetT = 6;

    #[inline]
    pub unsafe fn init_from_table(table: flatbuffers::Table<'a>) -> Self {
        BodyCompression { _tab: table }
    }
    #[allow(unused_mut)]
    pub fn create<'bldr: 'args, 'args: 'mut_bldr, 'mut_bldr>(
        _fbb: &'mut_bldr mut flatbuffers::FlatBufferBuilder<'bldr>,
        args: &'args BodyCompressionArgs,
    ) -> flatbuffers::WIPOffset<BodyCompression<'bldr>> {
        let mut builder = BodyCompressionBuilder::new(_fbb);
        builder.add_method(args.method);
        builder.add_codec(args.codec);
        builder.finish()
    }

    /// Compressor library.
    /// For LZ4_FRAME, each compressed buffer must consist of a single frame.
    #[inline]
    pub fn codec(&self) -> CompressionType {
        // Safety:
        // Created from valid Table for this object
        // which contains a valid value in this slot
        unsafe {
            self._tab
                .get::<CompressionType>(
                    BodyCompression::VT_CODEC,
                    Some(CompressionType::LZ4_FRAME),
                )
                .unwrap()
        }
    }
    /// Indicates the way the record batch body was compressed
    #[inline]
    pub fn method(&self) -> BodyCompressionMethod {
        // Safety:
        // Created from valid Table for this object
        // which contains a valid value in this slot
        unsafe {
            self._tab
                .get::<BodyCompressionMethod>(
                    BodyCompression::VT_METHOD,
                    Some(BodyCompressionMethod::BUFFER),
                )
                .unwrap()
        }
    }
}

impl flatbuffers::Verifiable for BodyCompression<'_> {
    #[inline]
    fn run_verifier(
        v: &mut flatbuffers::Verifier,
        pos: usize,
    ) -> Result<(), flatbuffers::InvalidFlatbuffer> {
        use flatbuffers::Verifiable;
        v.visit_table(pos)?
            .visit_field::<CompressionType>("codec", Self::VT_CODEC, false)?
            .visit_field::<BodyCompressionMethod>("method", Self::VT_METHOD, false)?
            .finish();
        Ok(())
    }
}
pub struct BodyCompressionArgs {
    pub codec: CompressionType,
    pub method: BodyCompressionMethod,
}
impl<'a> Default for BodyCompressionArgs {
    #[inline]
    fn default() -> Self {
        BodyCompressionArgs {
            codec: CompressionType::LZ4_FRAME,
            method: BodyCompressionMethod::BUFFER,
        }
    }
}

pub struct BodyCompressionBuilder<'a: 'b, 'b> {
    fbb_: &'b mut flatbuffers::FlatBufferBuilder<'a>,
    start_: flatbuffers::WIPOffset<flatbuffers::TableUnfinishedWIPOffset>,
}
impl<'a: 'b, 'b> BodyCompressionBuilder<'a, 'b> {
    #[inline]
    pub fn add_codec(&mut self, codec: CompressionType) {
        self.fbb_.push_slot::<CompressionType>(
            BodyCompression::VT_CODEC,
            codec,
            CompressionType::LZ4_FRAME,
        );
    }
    #[inline]
    pub fn add_method(&mut self, method: BodyCompressionMethod) {
        self.fbb_.push_slot::<BodyCompressionMethod>(
            BodyCompression::VT_METHOD,
            method,
            BodyCompressionMethod::BUFFER,
        );
    }
    #[inline]
    pub fn new(
        _fbb: &'b mut flatbuffers::FlatBufferBuilder<'a>,
    ) -> BodyCompressionBuilder<'a, 'b> {
        let start = _fbb.start_table();
        BodyCompressionBuilder {
            fbb_: _fbb,
            start_: start,
        }
    }
    #[inline]
    pub fn finish(self) -> flatbuffers::WIPOffset<BodyCompression<'a>> {
        let o = self.fbb_.end_table(self.start_);
        flatbuffers::WIPOffset::new(o.value())
    }
}

impl core::fmt::Debug for BodyCompression<'_> {
    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
        let mut ds = f.debug_struct("BodyCompression");
        ds.field("codec", &self.codec());
        ds.field("method", &self.method());
        ds.finish()
    }
}
pub enum RecordBatchOffset {}
#[derive(Copy, Clone, PartialEq)]

/// A data header describing the shared memory layout of a "record" or "row"
/// batch. Some systems call this a "row batch" internally and others a "record
/// batch".
pub struct RecordBatch<'a> {
    pub _tab: flatbuffers::Table<'a>,
}

impl<'a> flatbuffers::Follow<'a> for RecordBatch<'a> {
    type Inner = RecordBatch<'a>;
    #[inline]
    unsafe fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
        Self {
            _tab: flatbuffers::Table::new(buf, loc),
        }
    }
}

impl<'a> RecordBatch<'a> {
    pub const VT_LENGTH: flatbuffers::VOffsetT = 4;
    pub const VT_NODES: flatbuffers::VOffsetT = 6;
    pub const VT_BUFFERS: flatbuffers::VOffsetT = 8;
    pub const VT_COMPRESSION: flatbuffers::VOffsetT = 10;

    #[inline]
    pub unsafe fn init_from_table(table: flatbuffers::Table<'a>) -> Self {
        RecordBatch { _tab: table }
    }
    #[allow(unused_mut)]
    pub fn create<'bldr: 'args, 'args: 'mut_bldr, 'mut_bldr>(
        _fbb: &'mut_bldr mut flatbuffers::FlatBufferBuilder<'bldr>,
        args: &'args RecordBatchArgs<'args>,
    ) -> flatbuffers::WIPOffset<RecordBatch<'bldr>> {
        let mut builder = RecordBatchBuilder::new(_fbb);
        builder.add_length(args.length);
        if let Some(x) = args.compression {
            builder.add_compression(x);
        }
        if let Some(x) = args.buffers {
            builder.add_buffers(x);
        }
        if let Some(x) = args.nodes {
            builder.add_nodes(x);
        }
        builder.finish()
    }

    /// number of records / rows. The arrays in the batch should all have this
    /// length
    #[inline]
    pub fn length(&self) -> i64 {
        // Safety:
        // Created from valid Table for this object
        // which contains a valid value in this slot
        unsafe {
            self._tab
                .get::<i64>(RecordBatch::VT_LENGTH, Some(0))
                .unwrap()
        }
    }
    /// Nodes correspond to the pre-ordered flattened logical schema
    #[inline]
    pub fn nodes(&self) -> Option<flatbuffers::Vector<'a, FieldNode>> {
        // Safety:
        // Created from valid Table for this object
        // which contains a valid value in this slot
        unsafe {
            self._tab
                .get::<flatbuffers::ForwardsUOffset<flatbuffers::Vector<'a, FieldNode>>>(
                    RecordBatch::VT_NODES,
                    None,
                )
        }
    }
    /// Buffers correspond to the pre-ordered flattened buffer tree
    ///
    /// The number of buffers appended to this list depends on the schema. For
    /// example, most primitive arrays will have 2 buffers, 1 for the validity
    /// bitmap and 1 for the values. For struct arrays, there will only be a
    /// single buffer for the validity (nulls) bitmap
    #[inline]
    pub fn buffers(&self) -> Option<flatbuffers::Vector<'a, Buffer>> {
        // Safety:
        // Created from valid Table for this object
        // which contains a valid value in this slot
        unsafe {
            self._tab
                .get::<flatbuffers::ForwardsUOffset<flatbuffers::Vector<'a, Buffer>>>(
                    RecordBatch::VT_BUFFERS,
                    None,
                )
        }
    }
    /// Optional compression of the message body
    #[inline]
    pub fn compression(&self) -> Option<BodyCompression<'a>> {
        // Safety:
        // Created from valid Table for this object
        // which contains a valid value in this slot
        unsafe {
            self._tab
                .get::<flatbuffers::ForwardsUOffset<BodyCompression>>(
                    RecordBatch::VT_COMPRESSION,
                    None,
                )
        }
    }
}

impl flatbuffers::Verifiable for RecordBatch<'_> {
    #[inline]
    fn run_verifier(
        v: &mut flatbuffers::Verifier,
        pos: usize,
    ) -> Result<(), flatbuffers::InvalidFlatbuffer> {
        use flatbuffers::Verifiable;
        v.visit_table(pos)?
     .visit_field::<i64>("length", Self::VT_LENGTH, false)?
     .visit_field::<flatbuffers::ForwardsUOffset<flatbuffers::Vector<'_, FieldNode>>>("nodes", Self::VT_NODES, false)?
     .visit_field::<flatbuffers::ForwardsUOffset<flatbuffers::Vector<'_, Buffer>>>("buffers", Self::VT_BUFFERS, false)?
     .visit_field::<flatbuffers::ForwardsUOffset<BodyCompression>>("compression", Self::VT_COMPRESSION, false)?
     .finish();
        Ok(())
    }
}
pub struct RecordBatchArgs<'a> {
    pub length: i64,
    pub nodes: Option<flatbuffers::WIPOffset<flatbuffers::Vector<'a, FieldNode>>>,
    pub buffers: Option<flatbuffers::WIPOffset<flatbuffers::Vector<'a, Buffer>>>,
    pub compression: Option<flatbuffers::WIPOffset<BodyCompression<'a>>>,
}
impl<'a> Default for RecordBatchArgs<'a> {
    #[inline]
    fn default() -> Self {
        RecordBatchArgs {
            length: 0,
            nodes: None,
            buffers: None,
            compression: None,
        }
    }
}

pub struct RecordBatchBuilder<'a: 'b, 'b> {
    fbb_: &'b mut flatbuffers::FlatBufferBuilder<'a>,
    start_: flatbuffers::WIPOffset<flatbuffers::TableUnfinishedWIPOffset>,
}
impl<'a: 'b, 'b> RecordBatchBuilder<'a, 'b> {
    #[inline]
    pub fn add_length(&mut self, length: i64) {
        self.fbb_
            .push_slot::<i64>(RecordBatch::VT_LENGTH, length, 0);
    }
    #[inline]
    pub fn add_nodes(
        &mut self,
        nodes: flatbuffers::WIPOffset<flatbuffers::Vector<'b, FieldNode>>,
    ) {
        self.fbb_
            .push_slot_always::<flatbuffers::WIPOffset<_>>(RecordBatch::VT_NODES, nodes);
    }
    #[inline]
    pub fn add_buffers(
        &mut self,
        buffers: flatbuffers::WIPOffset<flatbuffers::Vector<'b, Buffer>>,
    ) {
        self.fbb_.push_slot_always::<flatbuffers::WIPOffset<_>>(
            RecordBatch::VT_BUFFERS,
            buffers,
        );
    }
    #[inline]
    pub fn add_compression(
        &mut self,
        compression: flatbuffers::WIPOffset<BodyCompression<'b>>,
    ) {
        self.fbb_
            .push_slot_always::<flatbuffers::WIPOffset<BodyCompression>>(
                RecordBatch::VT_COMPRESSION,
                compression,
            );
    }
    #[inline]
    pub fn new(
        _fbb: &'b mut flatbuffers::FlatBufferBuilder<'a>,
    ) -> RecordBatchBuilder<'a, 'b> {
        let start = _fbb.start_table();
        RecordBatchBuilder {
            fbb_: _fbb,
            start_: start,
        }
    }
    #[inline]
    pub fn finish(self) -> flatbuffers::WIPOffset<RecordBatch<'a>> {
        let o = self.fbb_.end_table(self.start_);
        flatbuffers::WIPOffset::new(o.value())
    }
}

impl core::fmt::Debug for RecordBatch<'_> {
    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
        let mut ds = f.debug_struct("RecordBatch");
        ds.field("length", &self.length());
        ds.field("nodes", &self.nodes());
        ds.field("buffers", &self.buffers());
        ds.field("compression", &self.compression());
        ds.finish()
    }
}
pub enum DictionaryBatchOffset {}
#[derive(Copy, Clone, PartialEq)]

/// For sending dictionary encoding information. Any Field can be
/// dictionary-encoded, but in this case none of its children may be
/// dictionary-encoded.
/// There is one vector / column per dictionary, but that vector / column
/// may be spread across multiple dictionary batches by using the isDelta
/// flag
pub struct DictionaryBatch<'a> {
    pub _tab: flatbuffers::Table<'a>,
}

impl<'a> flatbuffers::Follow<'a> for DictionaryBatch<'a> {
    type Inner = DictionaryBatch<'a>;
    #[inline]
    unsafe fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
        Self {
            _tab: flatbuffers::Table::new(buf, loc),
        }
    }
}

impl<'a> DictionaryBatch<'a> {
    pub const VT_ID: flatbuffers::VOffsetT = 4;
    pub const VT_DATA: flatbuffers::VOffsetT = 6;
    pub const VT_ISDELTA: flatbuffers::VOffsetT = 8;

    #[inline]
    pub unsafe fn init_from_table(table: flatbuffers::Table<'a>) -> Self {
        DictionaryBatch { _tab: table }
    }
    #[allow(unused_mut)]
    pub fn create<'bldr: 'args, 'args: 'mut_bldr, 'mut_bldr>(
        _fbb: &'mut_bldr mut flatbuffers::FlatBufferBuilder<'bldr>,
        args: &'args DictionaryBatchArgs<'args>,
    ) -> flatbuffers::WIPOffset<DictionaryBatch<'bldr>> {
        let mut builder = DictionaryBatchBuilder::new(_fbb);
        builder.add_id(args.id);
        if let Some(x) = args.data {
            builder.add_data(x);
        }
        builder.add_isDelta(args.isDelta);
        builder.finish()
    }

    #[inline]
    pub fn id(&self) -> i64 {
        // Safety:
        // Created from valid Table for this object
        // which contains a valid value in this slot
        unsafe {
            self._tab
                .get::<i64>(DictionaryBatch::VT_ID, Some(0))
                .unwrap()
        }
    }
    #[inline]
    pub fn data(&self) -> Option<RecordBatch<'a>> {
        // Safety:
        // Created from valid Table for this object
        // which contains a valid value in this slot
        unsafe {
            self._tab.get::<flatbuffers::ForwardsUOffset<RecordBatch>>(
                DictionaryBatch::VT_DATA,
                None,
            )
        }
    }
    /// If isDelta is true the values in the dictionary are to be appended to a
    /// dictionary with the indicated id. If isDelta is false this dictionary
    /// should replace the existing dictionary.
    #[inline]
    pub fn isDelta(&self) -> bool {
        // Safety:
        // Created from valid Table for this object
        // which contains a valid value in this slot
        unsafe {
            self._tab
                .get::<bool>(DictionaryBatch::VT_ISDELTA, Some(false))
                .unwrap()
        }
    }
}

impl flatbuffers::Verifiable for DictionaryBatch<'_> {
    #[inline]
    fn run_verifier(
        v: &mut flatbuffers::Verifier,
        pos: usize,
    ) -> Result<(), flatbuffers::InvalidFlatbuffer> {
        use flatbuffers::Verifiable;
        v.visit_table(pos)?
            .visit_field::<i64>("id", Self::VT_ID, false)?
            .visit_field::<flatbuffers::ForwardsUOffset<RecordBatch>>(
                "data",
                Self::VT_DATA,
                false,
            )?
            .visit_field::<bool>("isDelta", Self::VT_ISDELTA, false)?
            .finish();
        Ok(())
    }
}
pub struct DictionaryBatchArgs<'a> {
    pub id: i64,
    pub data: Option<flatbuffers::WIPOffset<RecordBatch<'a>>>,
    pub isDelta: bool,
}
impl<'a> Default for DictionaryBatchArgs<'a> {
    #[inline]
    fn default() -> Self {
        DictionaryBatchArgs {
            id: 0,
            data: None,
            isDelta: false,
        }
    }
}

pub struct DictionaryBatchBuilder<'a: 'b, 'b> {
    fbb_: &'b mut flatbuffers::FlatBufferBuilder<'a>,
    start_: flatbuffers::WIPOffset<flatbuffers::TableUnfinishedWIPOffset>,
}
impl<'a: 'b, 'b> DictionaryBatchBuilder<'a, 'b> {
    #[inline]
    pub fn add_id(&mut self, id: i64) {
        self.fbb_.push_slot::<i64>(DictionaryBatch::VT_ID, id, 0);
    }
    #[inline]
    pub fn add_data(&mut self, data: flatbuffers::WIPOffset<RecordBatch<'b>>) {
        self.fbb_
            .push_slot_always::<flatbuffers::WIPOffset<RecordBatch>>(
                DictionaryBatch::VT_DATA,
                data,
            );
    }
    #[inline]
    pub fn add_isDelta(&mut self, isDelta: bool) {
        self.fbb_
            .push_slot::<bool>(DictionaryBatch::VT_ISDELTA, isDelta, false);
    }
    #[inline]
    pub fn new(
        _fbb: &'b mut flatbuffers::FlatBufferBuilder<'a>,
    ) -> DictionaryBatchBuilder<'a, 'b> {
        let start = _fbb.start_table();
        DictionaryBatchBuilder {
            fbb_: _fbb,
            start_: start,
        }
    }
    #[inline]
    pub fn finish(self) -> flatbuffers::WIPOffset<DictionaryBatch<'a>> {
        let o = self.fbb_.end_table(self.start_);
        flatbuffers::WIPOffset::new(o.value())
    }
}

impl core::fmt::Debug for DictionaryBatch<'_> {
    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
        let mut ds = f.debug_struct("DictionaryBatch");
        ds.field("id", &self.id());
        ds.field("data", &self.data());
        ds.field("isDelta", &self.isDelta());
        ds.finish()
    }
}
pub enum MessageOffset {}
#[derive(Copy, Clone, PartialEq)]

pub struct Message<'a> {
    pub _tab: flatbuffers::Table<'a>,
}

impl<'a> flatbuffers::Follow<'a> for Message<'a> {
    type Inner = Message<'a>;
    #[inline]
    unsafe fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
        Self {
            _tab: flatbuffers::Table::new(buf, loc),
        }
    }
}

impl<'a> Message<'a> {
    pub const VT_VERSION: flatbuffers::VOffsetT = 4;
    pub const VT_HEADER_TYPE: flatbuffers::VOffsetT = 6;
    pub const VT_HEADER: flatbuffers::VOffsetT = 8;
    pub const VT_BODYLENGTH: flatbuffers::VOffsetT = 10;
    pub const VT_CUSTOM_METADATA: flatbuffers::VOffsetT = 12;

    #[inline]
    pub unsafe fn init_from_table(table: flatbuffers::Table<'a>) -> Self {
        Message { _tab: table }
    }
    #[allow(unused_mut)]
    pub fn create<'bldr: 'args, 'args: 'mut_bldr, 'mut_bldr>(
        _fbb: &'mut_bldr mut flatbuffers::FlatBufferBuilder<'bldr>,
        args: &'args MessageArgs<'args>,
    ) -> flatbuffers::WIPOffset<Message<'bldr>> {
        let mut builder = MessageBuilder::new(_fbb);
        builder.add_bodyLength(args.bodyLength);
        if let Some(x) = args.custom_metadata {
            builder.add_custom_metadata(x);
        }
        if let Some(x) = args.header {
            builder.add_header(x);
        }
        builder.add_version(args.version);
        builder.add_header_type(args.header_type);
        builder.finish()
    }

    #[inline]
    pub fn version(&self) -> MetadataVersion {
        // Safety:
        // Created from valid Table for this object
        // which contains a valid value in this slot
        unsafe {
            self._tab
                .get::<MetadataVersion>(Message::VT_VERSION, Some(MetadataVersion::V1))
                .unwrap()
        }
    }
    #[inline]
    pub fn header_type(&self) -> MessageHeader {
        // Safety:
        // Created from valid Table for this object
        // which contains a valid value in this slot
        unsafe {
            self._tab
                .get::<MessageHeader>(Message::VT_HEADER_TYPE, Some(MessageHeader::NONE))
                .unwrap()
        }
    }
    #[inline]
    pub fn header(&self) -> Option<flatbuffers::Table<'a>> {
        // Safety:
        // Created from valid Table for this object
        // which contains a valid value in this slot
        unsafe {
            self._tab
                .get::<flatbuffers::ForwardsUOffset<flatbuffers::Table<'a>>>(
                    Message::VT_HEADER,
                    None,
                )
        }
    }
    #[inline]
    pub fn bodyLength(&self) -> i64 {
        // Safety:
        // Created from valid Table for this object
        // which contains a valid value in this slot
        unsafe {
            self._tab
                .get::<i64>(Message::VT_BODYLENGTH, Some(0))
                .unwrap()
        }
    }
    #[inline]
    pub fn custom_metadata(
        &self,
    ) -> Option<flatbuffers::Vector<'a, flatbuffers::ForwardsUOffset<KeyValue<'a>>>> {
        // Safety:
        // Created from valid Table for this object
        // which contains a valid value in this slot
        unsafe {
            self._tab.get::<flatbuffers::ForwardsUOffset<
                flatbuffers::Vector<'a, flatbuffers::ForwardsUOffset<KeyValue>>,
            >>(Message::VT_CUSTOM_METADATA, None)
        }
    }
    #[inline]
    #[allow(non_snake_case)]
    pub fn header_as_schema(&self) -> Option<Schema<'a>> {
        if self.header_type() == MessageHeader::Schema {
            self.header().map(|t| {
                // Safety:
                // Created from a valid Table for this object
                // Which contains a valid union in this slot
                unsafe { Schema::init_from_table(t) }
            })
        } else {
            None
        }
    }

    #[inline]
    #[allow(non_snake_case)]
    pub fn header_as_dictionary_batch(&self) -> Option<DictionaryBatch<'a>> {
        if self.header_type() == MessageHeader::DictionaryBatch {
            self.header().map(|t| {
                // Safety:
                // Created from a valid Table for this object
                // Which contains a valid union in this slot
                unsafe { DictionaryBatch::init_from_table(t) }
            })
        } else {
            None
        }
    }

    #[inline]
    #[allow(non_snake_case)]
    pub fn header_as_record_batch(&self) -> Option<RecordBatch<'a>> {
        if self.header_type() == MessageHeader::RecordBatch {
            self.header().map(|t| {
                // Safety:
                // Created from a valid Table for this object
                // Which contains a valid union in this slot
                unsafe { RecordBatch::init_from_table(t) }
            })
        } else {
            None
        }
    }

    #[inline]
    #[allow(non_snake_case)]
    pub fn header_as_tensor(&self) -> Option<Tensor<'a>> {
        if self.header_type() == MessageHeader::Tensor {
            self.header().map(|t| {
                // Safety:
                // Created from a valid Table for this object
                // Which contains a valid union in this slot
                unsafe { Tensor::init_from_table(t) }
            })
        } else {
            None
        }
    }

    #[inline]
    #[allow(non_snake_case)]
    pub fn header_as_sparse_tensor(&self) -> Option<SparseTensor<'a>> {
        if self.header_type() == MessageHeader::SparseTensor {
            self.header().map(|t| {
                // Safety:
                // Created from a valid Table for this object
                // Which contains a valid union in this slot
                unsafe { SparseTensor::init_from_table(t) }
            })
        } else {
            None
        }
    }
}

impl flatbuffers::Verifiable for Message<'_> {
    #[inline]
    fn run_verifier(
        v: &mut flatbuffers::Verifier,
        pos: usize,
    ) -> Result<(), flatbuffers::InvalidFlatbuffer> {
        use flatbuffers::Verifiable;
        v.visit_table(pos)?
     .visit_field::<MetadataVersion>("version", Self::VT_VERSION, false)?
     .visit_union::<MessageHeader, _>("header_type", Self::VT_HEADER_TYPE, "header", Self::VT_HEADER, false, |key, v, pos| {
        match key {
          MessageHeader::Schema => v.verify_union_variant::<flatbuffers::ForwardsUOffset<Schema>>("MessageHeader::Schema", pos),
          MessageHeader::DictionaryBatch => v.verify_union_variant::<flatbuffers::ForwardsUOffset<DictionaryBatch>>("MessageHeader::DictionaryBatch", pos),
          MessageHeader::RecordBatch => v.verify_union_variant::<flatbuffers::ForwardsUOffset<RecordBatch>>("MessageHeader::RecordBatch", pos),
          MessageHeader::Tensor => v.verify_union_variant::<flatbuffers::ForwardsUOffset<Tensor>>("MessageHeader::Tensor", pos),
          MessageHeader::SparseTensor => v.verify_union_variant::<flatbuffers::ForwardsUOffset<SparseTensor>>("MessageHeader::SparseTensor", pos),
          _ => Ok(()),
        }
     })?
     .visit_field::<i64>("bodyLength", Self::VT_BODYLENGTH, false)?
     .visit_field::<flatbuffers::ForwardsUOffset<flatbuffers::Vector<'_, flatbuffers::ForwardsUOffset<KeyValue>>>>("custom_metadata", Self::VT_CUSTOM_METADATA, false)?
     .finish();
        Ok(())
    }
}
pub struct MessageArgs<'a> {
    pub version: MetadataVersion,
    pub header_type: MessageHeader,
    pub header: Option<flatbuffers::WIPOffset<flatbuffers::UnionWIPOffset>>,
    pub bodyLength: i64,
    pub custom_metadata: Option<
        flatbuffers::WIPOffset<
            flatbuffers::Vector<'a, flatbuffers::ForwardsUOffset<KeyValue<'a>>>,
        >,
    >,
}
impl<'a> Default for MessageArgs<'a> {
    #[inline]
    fn default() -> Self {
        MessageArgs {
            version: MetadataVersion::V1,
            header_type: MessageHeader::NONE,
            header: None,
            bodyLength: 0,
            custom_metadata: None,
        }
    }
}

pub struct MessageBuilder<'a: 'b, 'b> {
    fbb_: &'b mut flatbuffers::FlatBufferBuilder<'a>,
    start_: flatbuffers::WIPOffset<flatbuffers::TableUnfinishedWIPOffset>,
}
impl<'a: 'b, 'b> MessageBuilder<'a, 'b> {
    #[inline]
    pub fn add_version(&mut self, version: MetadataVersion) {
        self.fbb_.push_slot::<MetadataVersion>(
            Message::VT_VERSION,
            version,
            MetadataVersion::V1,
        );
    }
    #[inline]
    pub fn add_header_type(&mut self, header_type: MessageHeader) {
        self.fbb_.push_slot::<MessageHeader>(
            Message::VT_HEADER_TYPE,
            header_type,
            MessageHeader::NONE,
        );
    }
    #[inline]
    pub fn add_header(
        &mut self,
        header: flatbuffers::WIPOffset<flatbuffers::UnionWIPOffset>,
    ) {
        self.fbb_
            .push_slot_always::<flatbuffers::WIPOffset<_>>(Message::VT_HEADER, header);
    }
    #[inline]
    pub fn add_bodyLength(&mut self, bodyLength: i64) {
        self.fbb_
            .push_slot::<i64>(Message::VT_BODYLENGTH, bodyLength, 0);
    }
    #[inline]
    pub fn add_custom_metadata(
        &mut self,
        custom_metadata: flatbuffers::WIPOffset<
            flatbuffers::Vector<'b, flatbuffers::ForwardsUOffset<KeyValue<'b>>>,
        >,
    ) {
        self.fbb_.push_slot_always::<flatbuffers::WIPOffset<_>>(
            Message::VT_CUSTOM_METADATA,
            custom_metadata,
        );
    }
    #[inline]
    pub fn new(
        _fbb: &'b mut flatbuffers::FlatBufferBuilder<'a>,
    ) -> MessageBuilder<'a, 'b> {
        let start = _fbb.start_table();
        MessageBuilder {
            fbb_: _fbb,
            start_: start,
        }
    }
    #[inline]
    pub fn finish(self) -> flatbuffers::WIPOffset<Message<'a>> {
        let o = self.fbb_.end_table(self.start_);
        flatbuffers::WIPOffset::new(o.value())
    }
}

impl core::fmt::Debug for Message<'_> {
    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
        let mut ds = f.debug_struct("Message");
        ds.field("version", &self.version());
        ds.field("header_type", &self.header_type());
        match self.header_type() {
            MessageHeader::Schema => {
                if let Some(x) = self.header_as_schema() {
                    ds.field("header", &x)
                } else {
                    ds.field(
                        "header",
                        &"InvalidFlatbuffer: Union discriminant does not match value.",
                    )
                }
            }
            MessageHeader::DictionaryBatch => {
                if let Some(x) = self.header_as_dictionary_batch() {
                    ds.field("header", &x)
                } else {
                    ds.field(
                        "header",
                        &"InvalidFlatbuffer: Union discriminant does not match value.",
                    )
                }
            }
            MessageHeader::RecordBatch => {
                if let Some(x) = self.header_as_record_batch() {
                    ds.field("header", &x)
                } else {
                    ds.field(
                        "header",
                        &"InvalidFlatbuffer: Union discriminant does not match value.",
                    )
                }
            }
            MessageHeader::Tensor => {
                if let Some(x) = self.header_as_tensor() {
                    ds.field("header", &x)
                } else {
                    ds.field(
                        "header",
                        &"InvalidFlatbuffer: Union discriminant does not match value.",
                    )
                }
            }
            MessageHeader::SparseTensor => {
                if let Some(x) = self.header_as_sparse_tensor() {
                    ds.field("header", &x)
                } else {
                    ds.field(
                        "header",
                        &"InvalidFlatbuffer: Union discriminant does not match value.",
                    )
                }
            }
            _ => {
                let x: Option<()> = None;
                ds.field("header", &x)
            }
        };
        ds.field("bodyLength", &self.bodyLength());
        ds.field("custom_metadata", &self.custom_metadata());
        ds.finish()
    }
}
#[inline]
/// Verifies that a buffer of bytes contains a `Message`
/// and returns it.
/// Note that verification is still experimental and may not
/// catch every error, or be maximally performant. For the
/// previous, unchecked, behavior use
/// `root_as_message_unchecked`.
pub fn root_as_message(buf: &[u8]) -> Result<Message, flatbuffers::InvalidFlatbuffer> {
    flatbuffers::root::<Message>(buf)
}
#[inline]
/// Verifies that a buffer of bytes contains a size prefixed
/// `Message` and returns it.
/// Note that verification is still experimental and may not
/// catch every error, or be maximally performant. For the
/// previous, unchecked, behavior use
/// `size_prefixed_root_as_message_unchecked`.
pub fn size_prefixed_root_as_message(
    buf: &[u8],
) -> Result<Message, flatbuffers::InvalidFlatbuffer> {
    flatbuffers::size_prefixed_root::<Message>(buf)
}
#[inline]
/// Verifies, with the given options, that a buffer of bytes
/// contains a `Message` and returns it.
/// Note that verification is still experimental and may not
/// catch every error, or be maximally performant. For the
/// previous, unchecked, behavior use
/// `root_as_message_unchecked`.
pub fn root_as_message_with_opts<'b, 'o>(
    opts: &'o flatbuffers::VerifierOptions,
    buf: &'b [u8],
) -> Result<Message<'b>, flatbuffers::InvalidFlatbuffer> {
    flatbuffers::root_with_opts::<Message<'b>>(opts, buf)
}
#[inline]
/// Verifies, with the given verifier options, that a buffer of
/// bytes contains a size prefixed `Message` and returns
/// it. Note that verification is still experimental and may not
/// catch every error, or be maximally performant. For the
/// previous, unchecked, behavior use
/// `root_as_message_unchecked`.
pub fn size_prefixed_root_as_message_with_opts<'b, 'o>(
    opts: &'o flatbuffers::VerifierOptions,
    buf: &'b [u8],
) -> Result<Message<'b>, flatbuffers::InvalidFlatbuffer> {
    flatbuffers::size_prefixed_root_with_opts::<Message<'b>>(opts, buf)
}
#[inline]
/// Assumes, without verification, that a buffer of bytes contains a Message and returns it.
/// # Safety
/// Callers must trust the given bytes do indeed contain a valid `Message`.
pub unsafe fn root_as_message_unchecked(buf: &[u8]) -> Message {
    flatbuffers::root_unchecked::<Message>(buf)
}
#[inline]
/// Assumes, without verification, that a buffer of bytes contains a size prefixed Message and returns it.
/// # Safety
/// Callers must trust the given bytes do indeed contain a valid size prefixed `Message`.
pub unsafe fn size_prefixed_root_as_message_unchecked(buf: &[u8]) -> Message {
    flatbuffers::size_prefixed_root_unchecked::<Message>(buf)
}
#[inline]
pub fn finish_message_buffer<'a, 'b>(
    fbb: &'b mut flatbuffers::FlatBufferBuilder<'a>,
    root: flatbuffers::WIPOffset<Message<'a>>,
) {
    fbb.finish(root, None);
}

#[inline]
pub fn finish_size_prefixed_message_buffer<'a, 'b>(
    fbb: &'b mut flatbuffers::FlatBufferBuilder<'a>,
    root: flatbuffers::WIPOffset<Message<'a>>,
) {
    fbb.finish_size_prefixed(root, None);
}