if (!isPut && !(w instanceof Delete))
throw new IOException("Action must be Put or Delete");
splitsAndClosesLock.readLock().lock();
try {
RowLock lock = isPut ? ((Put)w).getRowLock() : ((Delete)w).getRowLock();
Get get = new Get(row, lock);
checkFamily(family);
get.addColumn(family, qualifier);
// Lock row