-
Notifications
You must be signed in to change notification settings - Fork 224
/
ConvertToReloadRouter.java
532 lines (434 loc) · 21.1 KB
/
ConvertToReloadRouter.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
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
/**
* Licensed to JumpMind Inc under one or more contributor
* license agreements. See the NOTICE file distributed
* with this work for additional information regarding
* copyright ownership. JumpMind Inc licenses this file
* to you under the GNU General Public License, version 3.0 (GPLv3)
* (the "License"); you may not use this file except in compliance
* with the License.
*
* You should have received a copy of the GNU General Public License,
* version 3.0 (GPLv3) along with this library; if not, see
* <http://www.gnu.org/licenses/>.
*
* 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.jumpmind.symmetric.route;
import java.sql.Timestamp;
import java.sql.Types;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.commons.lang.ArrayUtils;
import org.apache.commons.lang.NotImplementedException;
import org.apache.commons.lang.StringUtils;
import org.jumpmind.db.model.Column;
import org.jumpmind.db.model.Database;
import org.jumpmind.db.model.Table;
import org.jumpmind.db.platform.DatabaseNamesConstants;
import org.jumpmind.db.sql.ISqlTransaction;
import org.jumpmind.db.sql.UniqueKeyException;
import org.jumpmind.db.sql.mapper.StringMapper;
import org.jumpmind.extension.IBuiltInExtensionPoint;
import org.jumpmind.symmetric.ISymmetricEngine;
import org.jumpmind.symmetric.common.Constants;
import org.jumpmind.symmetric.db.SequenceIdentifier;
import org.jumpmind.symmetric.io.data.DataEventType;
import org.jumpmind.symmetric.model.AbstractBatch.Status;
import org.jumpmind.symmetric.model.DataMetaData;
import org.jumpmind.symmetric.model.Node;
import org.jumpmind.symmetric.model.OutgoingBatch;
import org.jumpmind.symmetric.model.Router;
import org.jumpmind.symmetric.model.TriggerHistory;
import org.jumpmind.symmetric.model.TriggerRouter;
/**
* Converts multiple change data rows into reload batches for each table ordered by foreign key dependencies.
*
*/
public class ConvertToReloadRouter extends AbstractDataRouter implements IDataRouter, IBuiltInExtensionPoint {
public final static String ROUTER_ID = "convertToReload";
private final static String ROUTERS = "c2rRouters";
private final static String SORTED_TABLES = "c2rSortedTables";
private final static String INSERT_DATA_SQL = "insert into sym_data " +
"(data_id, table_name, event_type, row_data, trigger_hist_id, channel_id, node_list, create_time) values (null, ?, ?, ?, ?, ?, ?, ?)";
private final static int[] INSERT_DATA_TYPES = new int[] { Types.VARCHAR, Types.CHAR, Types.LONGVARCHAR, Types.INTEGER,
Types.VARCHAR, Types.VARCHAR, Types.TIMESTAMP };
private final static String INSERT_DATA_EVENT_SQL = "insert into sym_data_event " +
"(data_id, batch_id, router_id, create_time) values (?, ?, ?, current_timestamp)";
protected ISymmetricEngine engine;
protected boolean firstTime = true;
protected long routeMs, sortMs, insertTempMs, queryNodesMs, insertBatchMs;
public ConvertToReloadRouter(ISymmetricEngine engine) {
this.engine = engine;
}
@Override
public Set<String> routeToNodes(SimpleRouterContext context, DataMetaData dataMetaData, Set<Node> nodes,
boolean initialLoad, boolean initialLoadSelectUsed, TriggerRouter triggerRouter) {
if (initialLoad) {
return toNodeIds(nodes, null);
}
long ts = System.currentTimeMillis();
@SuppressWarnings("unchecked")
Map<String, RouterInfo> routers = (Map<String, RouterInfo>) context.get(ROUTERS);
if (routers == null) {
routers = new HashMap<String, RouterInfo>();
context.put(ROUTERS, routers);
}
String routerId = triggerRouter.getRouterId();
RouterInfo routerInfo = routers.get(routerId);
if (routerInfo == null) {
routerInfo = new RouterInfo(triggerRouter.getRouter(), nodes);
routers.put(routerId, routerInfo);
}
DataEventType eventType = dataMetaData.getData().getDataEventType();
TableInfo tableInfo = routerInfo.getTableInfo(dataMetaData, triggerRouter);
if (eventType.equals(DataEventType.INSERT) || eventType.equals(DataEventType.UPDATE)) {
tableInfo.getCompoundIdList().add(getPkObjects(eventType, dataMetaData));
} else if (eventType.equals(DataEventType.DELETE)) {
return toNodeIds(nodes, null);
}
routeMs += (System.currentTimeMillis() - ts);
return null;
}
protected Object[] getPkObjects(DataEventType eventType, DataMetaData dataMetaData) {
String[] rowValues = null;
if (eventType.equals(DataEventType.INSERT) || eventType.equals(DataEventType.UPDATE)) {
rowValues = dataMetaData.getData().toParsedRowData();
} else if (eventType.equals(DataEventType.DELETE)) {
rowValues = dataMetaData.getData().toParsedPkData();
}
Column[] pkColumns = dataMetaData.getTable().getPrimaryKeyColumns();
String[] pkValues = (String[]) ArrayUtils.subarray(rowValues, 0, pkColumns.length);
return engine.getDatabasePlatform().getObjectValues(engine.getSymmetricDialect().getBinaryEncoding(), pkValues, pkColumns);
}
@Override
public void completeBatch(SimpleRouterContext context, OutgoingBatch batch) {
log.debug("Completing batch {}", batch.getBatchId());
if (batch.getNodeId().equals(Constants.UNROUTED_NODE_ID)) {
@SuppressWarnings("unchecked")
Map<String, RouterInfo> routers = (Map<String, RouterInfo>) context.get(ROUTERS);
List<TableInfo> tableInfos = new ArrayList<TableInfo>();
for (RouterInfo routerInfo : routers.values()) {
tableInfos.addAll(routerInfo.getTableInfos());
}
tableInfos = sortTableInfos(context, tableInfos);
ChannelRouterContext channelContext = ((ChannelRouterContext) context);
queueEvents(channelContext, channelContext.getSqlTransaction(), batch, tableInfos);
}
}
@Override
public void contextCommitted(SimpleRouterContext context) {
if (routeMs + sortMs + insertTempMs + queryNodesMs + insertBatchMs > 60000) {
log.info("{} router millis are route={}, sort={}, insert.temp={}, query.nodes={}, insert.batches={}",
ROUTER_ID, routeMs, sortMs, insertTempMs, queryNodesMs, insertBatchMs);
}
routeMs = sortMs = insertTempMs = queryNodesMs = insertBatchMs = 0;
}
protected List<TableInfo> sortTableInfos(SimpleRouterContext context, Collection<TableInfo> tableInfos) {
long ts = System.currentTimeMillis();
List<Table> sortedTables = getAllSortedTables(context);
Map<Table, TableInfo> tableInfosByTable = new HashMap<Table, TableInfo>();
for (TableInfo tableInfo : tableInfos) {
tableInfosByTable.put(tableInfo.getTable(), tableInfo);
}
List<TableInfo> sortedTableInfos = new ArrayList<TableInfo>();
for (Table table : sortedTables) {
TableInfo tableInfo = tableInfosByTable.get(table);
if (tableInfo != null) {
sortedTableInfos.add(tableInfo);
}
}
sortMs += (System.currentTimeMillis() - ts);
return sortedTableInfos;
}
protected List<Table> getAllSortedTables(SimpleRouterContext context) {
@SuppressWarnings("unchecked")
List<Table> sortedTables = (List<Table>) context.get(SORTED_TABLES);
if (sortedTables == null) {
List<TriggerHistory> histories = null;
if (firstTime) {
histories = engine.getTriggerRouterService().getActiveTriggerHistories();
firstTime = false;
} else {
histories = engine.getTriggerRouterService().getActiveTriggerHistoriesFromCache();
}
List<Table> allTables = new ArrayList<Table>(histories.size());
for (TriggerHistory history : histories) {
Table table = engine.getDatabasePlatform().getTableFromCache(history.getSourceCatalogName(),
history.getSourceSchemaName(), history.getSourceTableName(), false);
if (table != null) {
allTables.add(table);
}
}
sortedTables = Database.sortByForeignKeys(allTables);
}
return sortedTables;
}
protected void queueEvents(ChannelRouterContext context, ISqlTransaction transaction, OutgoingBatch origBatch, List<TableInfo> tableInfos) {
final long loadId = engine.getSequenceService().nextVal(transaction, Constants.SEQUENCE_OUTGOING_BATCH_LOAD_ID);
final int typeForId = engine.getSymmetricDialect().getSqlTypeForIds();
boolean isPostgres = engine.getDatabasePlatform().getName().equals(DatabaseNamesConstants.POSTGRESQL);
long ts = System.currentTimeMillis();
for (TableInfo tableInfo : tableInfos) {
RouterInfo routerInfo = tableInfo.getRouterInfo();
String placeHolders = StringUtils.repeat("?", ", ", tableInfo.getPkColumnNames().length + 1);
String tempSql = "insert into " + routerInfo.getTempTableName() + "(" + tableInfo.getPkColumnNamesAsString() + ", "
+ " load_id) values (" + placeHolders + ")";
if (isPostgres) {
tempSql += " on conflict do nothing";
}
transaction.prepare(tempSql);
int[] types = ArrayUtils.addAll(tableInfo.getPkColumnTypes(), new int[] { typeForId, typeForId });
for (Object compoundId : tableInfo.getCompoundIdList()) {
Object[] values = ArrayUtils.add((Object[]) compoundId, loadId);
try {
transaction.addRow(null, values, types);
} catch (UniqueKeyException e) {
}
}
}
insertTempMs += (System.currentTimeMillis() - ts);
Map<String, OutgoingBatch> batchByNode = new HashMap<String, OutgoingBatch>();
for (TableInfo tableInfo : tableInfos) {
RouterInfo routerInfo = tableInfo.getRouterInfo();
String reloadSql = getTempTableSql(routerInfo, tableInfo, loadId);
List<String> nodes = null;
if (StringUtils.isNotBlank(routerInfo.getNodeQuery())) {
ts = System.currentTimeMillis();
transaction.flush();
nodes = transaction.query(routerInfo.getNodeQuery(), new StringMapper(), new Object[] { loadId }, new int[] { typeForId });
queryNodesMs += (System.currentTimeMillis() - ts);
}
if (nodes == null || nodes.size() == 0) {
nodes = routerInfo.getNodeIds();
}
ts = System.currentTimeMillis();
long dataId = insertData(transaction, tableInfo, DataEventType.RELOAD.getCode(), reloadSql);
String tableName = tableInfo.getTableName().toLowerCase();
for (String nodeId : nodes) {
OutgoingBatch batch = batchByNode.get(nodeId);
if (batch == null) {
batch = newBatch(transaction, nodeId, loadId, tableInfo, origBatch.getSummary());
batchByNode.put(nodeId, batch);
}
batch.incrementTableCount(tableName);
insertDataEvent(transaction, tableInfo, batch.getBatchId(), dataId);
context.getDataIds().add(dataId);
}
insertBatchMs += (System.currentTimeMillis() - ts);
}
origBatch.setLoadId(loadId);
}
protected String getTempTableSql(RouterInfo routerInfo, TableInfo tableInfo, long loadId) {
String sql = "1=1";
if (!StringUtils.isBlank(tableInfo.getInitialLoadSql())) {
sql = tableInfo.getInitialLoadSql();
}
if (tableInfo.getPkColumnNames().length == 1) {
sql += " and " + tableInfo.getPkColumnName() + " in (select " + tableInfo.getPkColumnName()
+ " from " + routerInfo.getTempTableName() + " where load_id = " + loadId + ")";
} else {
sql += " and exists (select 1 from " + routerInfo.getTempTableName() + " r where "
+ tableInfo.getPkColumnJoinSql() + " and r.load_id = " + loadId + ")";
}
return sql;
}
protected OutgoingBatch newBatch(ISqlTransaction transaction, String nodeId, long loadId, TableInfo tableInfo, String summary) {
OutgoingBatch batch = new OutgoingBatch(Constants.UNROUTED_NODE_ID, tableInfo.getChannelId(), Status.NE);
batch.setCreateBy(ROUTER_ID);
batch.incrementRowCount(DataEventType.RELOAD);
batch.setNodeId(nodeId);
batch.setLoadId(loadId);
batch.setSummary(summary);
engine.getOutgoingBatchService().insertOutgoingBatch(transaction, batch);
return batch;
}
protected long insertData(ISqlTransaction transaction, TableInfo tableInfo, String eventType, String sql) {
Timestamp now = new Timestamp(System.currentTimeMillis());
long dataId = transaction.insertWithGeneratedKey(INSERT_DATA_SQL,
engine.getSymmetricDialect().getSequenceKeyName(SequenceIdentifier.DATA),
engine.getSymmetricDialect().getSequenceName(SequenceIdentifier.DATA),
new Object[] { tableInfo.getTableName(), eventType, sql, tableInfo.getTriggerHistory().getTriggerHistoryId(),
tableInfo.getChannelId(), null, now },
INSERT_DATA_TYPES);
return dataId;
}
protected void insertDataEvent(ISqlTransaction transaction, TableInfo tableInfo, long batchId, long dataId) {
transaction.prepareAndExecute(INSERT_DATA_EVENT_SQL, new Object[] { dataId, batchId, tableInfo.getRouterInfo().getRouter().getRouterId() },
new int[] { Types.NUMERIC, Types.NUMERIC, Types.VARCHAR });
}
public void setSymmetricEngine(ISymmetricEngine engine) {
this.engine = engine;
}
class RouterInfo {
private Router router;
private List<String> nodeIds = new ArrayList<String>();
private Map<Integer, TableInfo> tableInfos = new HashMap<Integer, TableInfo>();
private String tempTableName;
private String nodeQuery;
public RouterInfo(Router router, Set<Node> nodes) {
this.router = router;
for (Node node : nodes) {
this.nodeIds.add(node.getNodeId());
}
String expression = router.getRouterExpression();
Pattern pattern = Pattern.compile(".*\\s*temptable=(\\S*)\\s*.*", Pattern.CASE_INSENSITIVE);
if (expression != null) {
expression = expression.replaceAll("\n", " ").replaceAll("\r", " ");
Matcher matcher = pattern.matcher(expression);
if (matcher.matches()) {
tempTableName = matcher.group(1);
}
pattern = Pattern.compile(".*\\s*nodequery=\"(.*)\"", Pattern.CASE_INSENSITIVE);
matcher = pattern.matcher(expression);
if (matcher.matches()) {
nodeQuery = matcher.group(1);
}
}
if (StringUtils.isBlank(tempTableName)) {
throw new NotImplementedException("Missing temptable={name} for router expression.");
}
}
public Router getRouter() {
return router;
}
public List<String> getNodeIds() {
return nodeIds;
}
public TableInfo getTableInfo(DataMetaData dataMetaData, TriggerRouter triggerRouter) {
TableInfo tableInfo = tableInfos.get(dataMetaData.getTriggerHistory().getTriggerHistoryId());
if (tableInfo == null) {
tableInfo = newTableInfo(dataMetaData, triggerRouter);
tableInfos.put(dataMetaData.getTriggerHistory().getTriggerHistoryId(), tableInfo);
}
return tableInfo;
}
public Collection<TableInfo> getTableInfos() {
return tableInfos.values();
}
protected TableInfo newTableInfo(DataMetaData dataMetaData, TriggerRouter triggerRouter) {
return new TableInfo(this, dataMetaData, triggerRouter);
}
public String getTempTableName() {
return tempTableName;
}
public String getNodeQuery() {
return nodeQuery;
}
}
class TableInfo {
protected RouterInfo routerInfo;
protected Table table;
protected String tableName;
protected String channelId;
protected String pkColumnName;
protected String sourceCatalog;
protected String sourceSchema;
protected String targetCatalog;
protected String targetSchema;
protected String initialLoadSql;
protected TriggerHistory triggerHistory;
protected String[] pkColumnNames;
protected String pkColumnNamesAsString;
protected String pkColumnJoinSql;
protected int[] pkColumnTypes;
protected List<Object> compoundIdList = new ArrayList<Object>();
public TableInfo(RouterInfo routerInfo, DataMetaData dataMetaData, TriggerRouter triggerRouter) {
this.routerInfo = routerInfo;
this.channelId = triggerRouter.getTrigger().getChannelId();
this.sourceCatalog = triggerRouter.getTrigger().getSourceCatalogName();
this.sourceSchema = triggerRouter.getTrigger().getSourceSchemaName();
this.table = dataMetaData.getTable();
this.tableName = table.getName();
this.pkColumnName = table.getPrimaryKeyColumnNames()[0];
this.initialLoadSql = triggerRouter.getInitialLoadSelect();
this.triggerHistory = dataMetaData.getTriggerHistory();
Router router = triggerRouter.getRouter();
if (router.isUseSourceCatalogSchema()) {
this.targetCatalog = table.getCatalog();
this.targetSchema = table.getSchema();
} else {
if (StringUtils.isNotBlank(router.getTargetCatalogName())) {
this.targetCatalog = router.getTargetCatalogName();
}
if (StringUtils.isNotBlank(router.getTargetSchemaName())) {
this.targetSchema = router.getTargetSchemaName();
}
}
this.pkColumnNames = table.getPrimaryKeyColumnNames();
this.pkColumnTypes = new int[table.getPrimaryKeyColumns().length];
StringBuilder sbNames = new StringBuilder();
StringBuilder sbJoin = new StringBuilder();
int i = 0;
for (Column column : table.getPrimaryKeyColumns()) {
if (i > 0) {
sbNames.append(", ");
sbJoin.append(" and ");
}
this.pkColumnTypes[i++] = column.getJdbcTypeCode();
sbNames.append(column.getName());
sbJoin.append("r.").append(column.getName()).append(" = t.").append(column.getName());
}
this.pkColumnNamesAsString = sbNames.toString();
this.pkColumnJoinSql = sbJoin.toString();
}
public RouterInfo getRouterInfo() {
return routerInfo;
}
public Table getTable() {
return table;
}
public String getTableName() {
return tableName;
}
public String getChannelId() {
return channelId;
}
public String getPkColumnName() {
return pkColumnName;
}
public String getSourceCatalog() {
return sourceCatalog;
}
public String getSourceSchema() {
return sourceSchema;
}
public String getTargetCatalog() {
return targetCatalog;
}
public String getTargetSchema() {
return targetSchema;
}
public String getInitialLoadSql() {
return initialLoadSql;
}
public TriggerHistory getTriggerHistory() {
return triggerHistory;
}
public String[] getPkColumnNames() {
return pkColumnNames;
}
public List<Object> getCompoundIdList() {
return compoundIdList;
}
public String getPkColumnNamesAsString() {
return pkColumnNamesAsString;
}
public String getPkColumnJoinSql() {
return pkColumnJoinSql;
}
public int[] getPkColumnTypes() {
return pkColumnTypes;
}
}
}