public static void rollBackSplit(
Text metadataEntry, Text oldPrevEndRow, Credentials credentials, ZooLock zooLock) {
KeyExtent ke = new KeyExtent(metadataEntry, oldPrevEndRow);
Mutation m = ke.getPrevRowUpdateMutation();
TabletsSection.TabletColumnFamily.SPLIT_RATIO_COLUMN.putDelete(m);
TabletsSection.TabletColumnFamily.OLD_PREV_ROW_COLUMN.putDelete(m);
update(credentials, zooLock, m, new KeyExtent(metadataEntry, (Text) null));
}
public static void splitTablet(
KeyExtent extent,
Text oldPrevEndRow,
double splitRatio,
Credentials credentials,
ZooLock zooLock) {
Mutation m = extent.getPrevRowUpdateMutation(); //
TabletsSection.TabletColumnFamily.SPLIT_RATIO_COLUMN.put(
m, new Value(Double.toString(splitRatio).getBytes()));
TabletsSection.TabletColumnFamily.OLD_PREV_ROW_COLUMN.put(
m, KeyExtent.encodePrevEndRow(oldPrevEndRow));
ChoppedColumnFamily.CHOPPED_COLUMN.putDelete(m);
update(credentials, zooLock, m, extent);
}
public static void finishSplit(
Text metadataEntry,
Map<FileRef, DataFileValue> datafileSizes,
List<FileRef> highDatafilesToRemove,
Credentials credentials,
ZooLock zooLock) {
Mutation m = new Mutation(metadataEntry);
TabletsSection.TabletColumnFamily.SPLIT_RATIO_COLUMN.putDelete(m);
TabletsSection.TabletColumnFamily.OLD_PREV_ROW_COLUMN.putDelete(m);
ChoppedColumnFamily.CHOPPED_COLUMN.putDelete(m);
for (Entry<FileRef, DataFileValue> entry : datafileSizes.entrySet()) {
m.put(DataFileColumnFamily.NAME, entry.getKey().meta(), new Value(entry.getValue().encode()));
}
for (FileRef pathToRemove : highDatafilesToRemove) {
m.putDelete(DataFileColumnFamily.NAME, pathToRemove.meta());
}
update(credentials, zooLock, m, new KeyExtent(metadataEntry, (Text) null));
}