private void monitorAllTables(String database, DatabaseSchema dbSchema) {
Set<String> tables = dbSchema.getTables();
if (tables != null) {
List<MonitorRequest<GenericTableSchema>> monitorRequests = Lists.newArrayList();
for (String tableName : tables) {
GenericTableSchema tableSchema = dbSchema.table(tableName, GenericTableSchema.class);
Set<String> columns = tableSchema.getColumns();
MonitorRequestBuilder<GenericTableSchema> monitorBuilder =
MonitorRequestBuilder.builder(tableSchema);
for (String column : columns) {
monitorBuilder.addColumn(column);
}
monitorRequests.add(monitorBuilder.with(new MonitorSelect(true, true, true, true)).build());
}
this.callback.update(monitor(dbSchema, monitorRequests, callback), dbSchema);
} else {
LOG.warn(
"No tables for schema {} for database {} for key {}", dbSchema, database, connectionInfo);
}
}
@SuppressWarnings(value = "unchecked")
public TableUpdates tableUpdates(List<OperationResult> results) {
Map<String, TableUpdate> map = new HashMap<>();
for (OperationResult r : results) {
for (Row<GenericTableSchema> row : r.getRows()) {
String table = row.getTableSchema().getName();
TableUpdate<GenericTableSchema> update;
if (map.containsKey(table)) {
update = map.get(table);
} else {
update = new TableUpdate<>();
map.put(table, update);
}
GenericTableSchema ts = vtepSchema.table(table, GenericTableSchema.class);
UUID rowId = row.getColumn(ts.column("_uuid", UUID.class)).getData();
update.addRow(rowId, null, row);
}
}
return new TableUpdates(map);
}
// Monitor support
@Override
public <E extends TableSchema<E>> TableUpdates monitor(
DatabaseSchema dbSchema, List<MonitorRequest<E>> requests, MonitorCallBack cb) {
List<Operation> ops = new ArrayList<>();
for (MonitorRequest<E> e : requests) {
monitorRegistrar.register(e.getTableName(), e.getColumns(), cb);
Select<GenericTableSchema> query =
new Select<>(vtepSchema.table(e.getTableName(), GenericTableSchema.class));
if (e.getColumns() != null) query.setColumns(Lists.newArrayList(e.getColumns()));
ops.add(query);
}
ListenableFuture<List<OperationResult>> results = transact(vtepSchema, ops);
try {
return tableUpdates(results.get());
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
return null;
} catch (ExecutionException e) {
log.error("exception on monitored table data", e);
return null;
}
}
// Schema operations
@Override
public ListenableFuture<List<String>> getDatabases() {
return new MockListenableFuture<>(Collections.singletonList(vtepSchema.getName()));
}
private DatabaseSchema getDbSchema(String dbName) {
return (vtepSchema.getName().equals(dbName)) ? vtepSchema : null;
}
