private void loadPartitions(DboTableMeta meta2) {
DboTableMeta tableMeta = mgr.find(DboTableMeta.class, "partitions");
NoSqlSession session = mgr.getSession();
byte[] rowKey = StandardConverters.convertToBytes(meta2.getColumnFamily());
Cursor<Column> results =
session.columnSlice(tableMeta, rowKey, null, null, 1000, BigInteger.class);
while (results.next()) {
Column col = results.getCurrent();
BigInteger time = StandardConverters.convertFromBytes(BigInteger.class, col.getName());
existingPartitions.add(time.longValue());
}
Collections.sort(existingPartitions);
}
public void monitorFired(NoSqlEntityManager mgr, PlayOrmCronJob mon) {
String mode = Play.configuration.getProperty("upgrade.mode");
if ("NEW".equals(mode) || StringUtils.isEmpty(mode)) {
runNewCode(mgr, mon);
return;
}
TableMonitor tableMon = TableMonitor.copy(mon);
if (log.isInfoEnabled()) log.info("monitor firing(old version)=" + tableMon);
String tableName = tableMon.getTableName();
// NOTE: d.time>0 is here because PlayOrm does not yet have order by asc(time) which would
// choose the index
// so instead PlayOrm randomly chooses an index
String sql = "select d from " + tableName + " as d where d.time>0";
NoSqlTypedSession s = mgr.getTypedSession();
QueryResult result = s.createQueryCursor(sql, 1); // only need last
// point so batch
// size of 1
Cursor<KeyValue<TypedRow>> cursor = result.getPrimaryViewCursor();
TypedRow r = getLastVal(cursor);
DateTime now = new DateTime();
if (r == null) {
fireEmailStreamIsDown("old", null, now, tableMon);
return;
}
BigInteger timestamp = (BigInteger) r.getRowKey();
runDataCheck("old", tableMon, now, timestamp.longValue());
}
protected AbstractCursor<Column> getCursorWithResults() {
if (cursor != null && cursor.next()) {
return cursor;
} else if (currentIndex >= existingPartitions.size()) return null;
int count = 0;
do {
Long currentPartId = existingPartitions.get(currentIndex);
NoSqlTypedSession em = mgr.getTypedSession();
NoSqlSession raw = em.getRawSession();
byte[] rowKeyPostFix =
meta.getIdColumnMeta().convertToStorage2(new BigInteger("" + currentPartId));
byte[] rowKey = meta.getIdColumnMeta().formVirtRowKey(rowKeyPostFix);
cursor = raw.columnSlice(meta, rowKey, startBytes, endBytes, 500, BigInteger.class);
currentIndex++;
if (cursor.next()) return cursor;
count++;
} while (!hasReachedEnd(end));
// reached end and no data found
return null;
}
