/
BulkRequest.java
505 lines (454 loc) · 20.7 KB
/
BulkRequest.java
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
/*
* Licensed to ElasticSearch and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch 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.
*/
package org.elasticsearch.action.bulk;
import com.google.common.collect.Lists;
import org.elasticsearch.ElasticSearchIllegalArgumentException;
import org.elasticsearch.action.ActionRequest;
import org.elasticsearch.action.ActionRequestValidationException;
import org.elasticsearch.action.WriteConsistencyLevel;
import org.elasticsearch.action.delete.DeleteRequest;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.action.support.replication.ReplicationType;
import org.elasticsearch.action.update.UpdateRequest;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.bytes.BytesArray;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.common.xcontent.XContent;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.index.VersionType;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import static org.elasticsearch.action.ValidateActions.addValidationError;
/**
* A bulk request holds an ordered {@link IndexRequest}s and {@link DeleteRequest}s and allows to executes
* it in a single batch.
*
* @see org.elasticsearch.client.Client#bulk(BulkRequest)
*/
public class BulkRequest extends ActionRequest<BulkRequest> {
private static final int REQUEST_OVERHEAD = 50;
final List<ActionRequest> requests = Lists.newArrayList();
List<Object> payloads = null;
private ReplicationType replicationType = ReplicationType.DEFAULT;
private WriteConsistencyLevel consistencyLevel = WriteConsistencyLevel.DEFAULT;
private boolean refresh = false;
private long sizeInBytes = 0;
/**
* Adds a list of requests to be executed. Either index or delete requests.
*/
public BulkRequest add(ActionRequest... requests) {
for (ActionRequest request : requests) {
add(request, null);
}
return this;
}
public BulkRequest add(ActionRequest request) {
return add(request, null);
}
public BulkRequest add(ActionRequest request, @Nullable Object payload) {
if (request instanceof IndexRequest) {
add((IndexRequest) request, payload);
} else if (request instanceof DeleteRequest) {
add((DeleteRequest) request, payload);
} else if (request instanceof UpdateRequest) {
add((UpdateRequest) request, payload);
} else {
throw new ElasticSearchIllegalArgumentException("No support for request [" + request + "]");
}
return this;
}
/**
* Adds a list of requests to be executed. Either index or delete requests.
*/
public BulkRequest add(Iterable<ActionRequest> requests) {
for (ActionRequest request : requests) {
if (request instanceof IndexRequest) {
add((IndexRequest) request);
} else if (request instanceof DeleteRequest) {
add((DeleteRequest) request);
} else {
throw new ElasticSearchIllegalArgumentException("No support for request [" + request + "]");
}
}
return this;
}
/**
* Adds an {@link IndexRequest} to the list of actions to execute. Follows the same behavior of {@link IndexRequest}
* (for example, if no id is provided, one will be generated, or usage of the create flag).
*/
public BulkRequest add(IndexRequest request) {
request.beforeLocalFork();
return internalAdd(request, null);
}
public BulkRequest add(IndexRequest request, @Nullable Object payload) {
request.beforeLocalFork();
return internalAdd(request, payload);
}
BulkRequest internalAdd(IndexRequest request, @Nullable Object payload) {
requests.add(request);
addPayload(payload);
sizeInBytes += request.source().length() + REQUEST_OVERHEAD;
return this;
}
/**
* Adds an {@link UpdateRequest} to the list of actions to execute.
*/
public BulkRequest add(UpdateRequest request) {
request.beforeLocalFork();
return internalAdd(request, null);
}
public BulkRequest add(UpdateRequest request, @Nullable Object payload) {
request.beforeLocalFork();
return internalAdd(request, payload);
}
BulkRequest internalAdd(UpdateRequest request, @Nullable Object payload) {
requests.add(request);
addPayload(payload);
if (request.doc() != null) {
sizeInBytes += request.doc().source().length();
}
if (request.upsertRequest() != null) {
sizeInBytes += request.upsertRequest().source().length();
}
if (request.script() != null) {
sizeInBytes += request.script().length() * 2;
}
return this;
}
/**
* Adds an {@link DeleteRequest} to the list of actions to execute.
*/
public BulkRequest add(DeleteRequest request) {
return add(request, null);
}
public BulkRequest add(DeleteRequest request, @Nullable Object payload) {
requests.add(request);
addPayload(payload);
sizeInBytes += REQUEST_OVERHEAD;
return this;
}
private void addPayload(Object payload) {
if (payloads == null) {
if (payload == null) {
return;
}
payloads = new ArrayList<Object>(requests.size() + 10);
// add requests#size-1 elements to the payloads if it null (we add for an *existing* request)
for (int i = 1; i < requests.size(); i++) {
payloads.add(null);
}
}
payloads.add(payload);
}
/**
* The list of requests in this bulk request.
*/
public List<ActionRequest> requests() {
return this.requests;
}
/**
* The list of optional payloads associated with requests in the same order as the requests. Note, elements within
* it might be null if no payload has been provided.
* <p/>
* Note, if no payloads have been provided, this method will return null (as to conserve memory overhead).
*/
@Nullable
public List<Object> payloads() {
return this.payloads;
}
/**
* The number of actions in the bulk request.
*/
public int numberOfActions() {
return requests.size();
}
/**
* The estimated size in bytes of the bulk request.
*/
public long estimatedSizeInBytes() {
return sizeInBytes;
}
/**
* Adds a framed data in binary format
*/
public BulkRequest add(byte[] data, int from, int length, boolean contentUnsafe) throws Exception {
return add(data, from, length, contentUnsafe, null, null);
}
/**
* Adds a framed data in binary format
*/
public BulkRequest add(byte[] data, int from, int length, boolean contentUnsafe, @Nullable String defaultIndex, @Nullable String defaultType) throws Exception {
return add(new BytesArray(data, from, length), contentUnsafe, defaultIndex, defaultType);
}
/**
* Adds a framed data in binary format
*/
public BulkRequest add(BytesReference data, boolean contentUnsafe, @Nullable String defaultIndex, @Nullable String defaultType) throws Exception {
return add(data, contentUnsafe, defaultIndex, defaultType, null, true);
}
/**
* Adds a framed data in binary format
*/
public BulkRequest add(BytesReference data, boolean contentUnsafe, @Nullable String defaultIndex, @Nullable String defaultType, boolean allowExplicitIndex) throws Exception {
return add(data, contentUnsafe, defaultIndex, defaultType, null, allowExplicitIndex);
}
public BulkRequest add(BytesReference data, boolean contentUnsafe, @Nullable String defaultIndex, @Nullable String defaultType, @Nullable Object payload, boolean allowExplicitIndex) throws Exception {
XContent xContent = XContentFactory.xContent(data);
int from = 0;
int length = data.length();
byte marker = xContent.streamSeparator();
while (true) {
int nextMarker = findNextMarker(marker, from, data, length);
if (nextMarker == -1) {
break;
}
// now parse the action
XContentParser parser = xContent.createParser(data.slice(from, nextMarker - from));
try {
// move pointers
from = nextMarker + 1;
// Move to START_OBJECT
XContentParser.Token token = parser.nextToken();
if (token == null) {
continue;
}
assert token == XContentParser.Token.START_OBJECT;
// Move to FIELD_NAME, that's the action
token = parser.nextToken();
assert token == XContentParser.Token.FIELD_NAME;
String action = parser.currentName();
String index = defaultIndex;
String type = defaultType;
String id = null;
String routing = null;
String parent = null;
String timestamp = null;
Long ttl = null;
String opType = null;
long version = 0;
VersionType versionType = VersionType.INTERNAL;
String percolate = null;
int retryOnConflict = 0;
// at this stage, next token can either be END_OBJECT (and use default index and type, with auto generated id)
// or START_OBJECT which will have another set of parameters
String currentFieldName = null;
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
if (token == XContentParser.Token.FIELD_NAME) {
currentFieldName = parser.currentName();
} else if (token.isValue()) {
if ("_index".equals(currentFieldName)) {
if (!allowExplicitIndex) {
throw new ElasticSearchIllegalArgumentException("explicit index in bulk is not allowed");
}
index = parser.text();
} else if ("_type".equals(currentFieldName)) {
type = parser.text();
} else if ("_id".equals(currentFieldName)) {
id = parser.text();
} else if ("_routing".equals(currentFieldName) || "routing".equals(currentFieldName)) {
routing = parser.text();
} else if ("_parent".equals(currentFieldName) || "parent".equals(currentFieldName)) {
parent = parser.text();
} else if ("_timestamp".equals(currentFieldName) || "timestamp".equals(currentFieldName)) {
timestamp = parser.text();
} else if ("_ttl".equals(currentFieldName) || "ttl".equals(currentFieldName)) {
if (parser.currentToken() == XContentParser.Token.VALUE_STRING) {
ttl = TimeValue.parseTimeValue(parser.text(), null).millis();
} else {
ttl = parser.longValue();
}
} else if ("op_type".equals(currentFieldName) || "opType".equals(currentFieldName)) {
opType = parser.text();
} else if ("_version".equals(currentFieldName) || "version".equals(currentFieldName)) {
version = parser.longValue();
} else if ("_version_type".equals(currentFieldName) || "_versionType".equals(currentFieldName) || "version_type".equals(currentFieldName) || "versionType".equals(currentFieldName)) {
versionType = VersionType.fromString(parser.text());
} else if ("percolate".equals(currentFieldName) || "_percolate".equals(currentFieldName)) {
percolate = parser.textOrNull();
} else if ("_retry_on_conflict".equals(currentFieldName) || "_retryOnConflict".equals(currentFieldName)) {
retryOnConflict = parser.intValue();
}
}
}
if ("delete".equals(action)) {
add(new DeleteRequest(index, type, id).routing(routing).parent(parent).version(version).versionType(versionType), payload);
} else {
nextMarker = findNextMarker(marker, from, data, length);
if (nextMarker == -1) {
break;
}
// order is important, we set parent after routing, so routing will be set to parent if not set explicitly
// we use internalAdd so we don't fork here, this allows us not to copy over the big byte array to small chunks
// of index request. All index requests are still unsafe if applicable.
if ("index".equals(action)) {
if (!allowExplicitIndex) {
throw new ElasticSearchIllegalArgumentException("explicit index in bulk is not allowed");
}
if (opType == null) {
internalAdd(new IndexRequest(index, type, id).routing(routing).parent(parent).timestamp(timestamp).ttl(ttl).version(version).versionType(versionType)
.source(data.slice(from, nextMarker - from), contentUnsafe)
.percolate(percolate), payload);
} else {
internalAdd(new IndexRequest(index, type, id).routing(routing).parent(parent).timestamp(timestamp).ttl(ttl).version(version).versionType(versionType)
.create("create".equals(opType))
.source(data.slice(from, nextMarker - from), contentUnsafe)
.percolate(percolate), payload);
}
} else if ("create".equals(action)) {
internalAdd(new IndexRequest(index, type, id).routing(routing).parent(parent).timestamp(timestamp).ttl(ttl).version(version).versionType(versionType)
.create(true)
.source(data.slice(from, nextMarker - from), contentUnsafe)
.percolate(percolate), payload);
} else if ("update".equals(action)) {
UpdateRequest updateRequest = new UpdateRequest(index, type, id).routing(routing).parent(parent).retryOnConflict(retryOnConflict)
.source(data.slice(from, nextMarker - from));
IndexRequest upsertRequest = updateRequest.upsertRequest();
if (upsertRequest != null) {
upsertRequest.routing(routing);
upsertRequest.parent(parent); // order is important, set it after routing, so it will set the routing
upsertRequest.timestamp(timestamp);
upsertRequest.ttl(ttl);
upsertRequest.version(version);
upsertRequest.versionType(versionType);
}
IndexRequest doc = updateRequest.doc();
if (doc != null) {
doc.routing(routing);
doc.parent(parent); // order is important, set it after routing, so it will set the routing
doc.timestamp(timestamp);
doc.ttl(ttl);
doc.version(version);
doc.versionType(versionType);
}
internalAdd(updateRequest, payload);
}
// move pointers
from = nextMarker + 1;
}
} finally {
parser.close();
}
}
return this;
}
/**
* Sets the consistency level of write. Defaults to {@link org.elasticsearch.action.WriteConsistencyLevel#DEFAULT}
*/
public BulkRequest consistencyLevel(WriteConsistencyLevel consistencyLevel) {
this.consistencyLevel = consistencyLevel;
return this;
}
public WriteConsistencyLevel consistencyLevel() {
return this.consistencyLevel;
}
/**
* Should a refresh be executed post this bulk operation causing the operations to
* be searchable. Note, heavy indexing should not set this to <tt>true</tt>. Defaults
* to <tt>false</tt>.
*/
public BulkRequest refresh(boolean refresh) {
this.refresh = refresh;
return this;
}
public boolean refresh() {
return this.refresh;
}
/**
* Set the replication type for this operation.
*/
public BulkRequest replicationType(ReplicationType replicationType) {
this.replicationType = replicationType;
return this;
}
public ReplicationType replicationType() {
return this.replicationType;
}
private int findNextMarker(byte marker, int from, BytesReference data, int length) {
for (int i = from; i < length; i++) {
if (data.get(i) == marker) {
return i;
}
}
return -1;
}
@Override
public ActionRequestValidationException validate() {
ActionRequestValidationException validationException = null;
if (requests.isEmpty()) {
validationException = addValidationError("no requests added", validationException);
}
for (int i = 0; i < requests.size(); i++) {
ActionRequestValidationException ex = requests.get(i).validate();
if (ex != null) {
if (validationException == null) {
validationException = new ActionRequestValidationException();
}
validationException.addValidationErrors(ex.validationErrors());
}
}
return validationException;
}
@Override
public void readFrom(StreamInput in) throws IOException {
super.readFrom(in);
replicationType = ReplicationType.fromId(in.readByte());
consistencyLevel = WriteConsistencyLevel.fromId(in.readByte());
int size = in.readVInt();
for (int i = 0; i < size; i++) {
byte type = in.readByte();
if (type == 0) {
IndexRequest request = new IndexRequest();
request.readFrom(in);
requests.add(request);
} else if (type == 1) {
DeleteRequest request = new DeleteRequest();
request.readFrom(in);
requests.add(request);
} else if (type == 2) {
UpdateRequest request = new UpdateRequest();
request.readFrom(in);
requests.add(request);
}
}
refresh = in.readBoolean();
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
out.writeByte(replicationType.id());
out.writeByte(consistencyLevel.id());
out.writeVInt(requests.size());
for (ActionRequest request : requests) {
if (request instanceof IndexRequest) {
out.writeByte((byte) 0);
} else if (request instanceof DeleteRequest) {
out.writeByte((byte) 1);
} else if (request instanceof UpdateRequest) {
out.writeByte((byte) 2);
}
request.writeTo(out);
}
out.writeBoolean(refresh);
}
}