How to use

org.apache.hadoop.hdfs.server.namenode.FSEditLogOp$MkdirOp

constructor

  @Override
  protected EnumMap<FSEditLogOpCodes, FSEditLogOp> initialValue() {
   EnumMap<FSEditLogOpCodes, FSEditLogOp> instances 
    = new EnumMap<FSEditLogOpCodes, FSEditLogOp>(FSEditLogOpCodes.class);
   instances.put(OP_INVALID, new InvalidOp());
   instances.put(OP_ADD, new AddOp());
   instances.put(OP_CLOSE, new CloseOp());
   instances.put(OP_SET_REPLICATION, new SetReplicationOp());
   instances.put(OP_CONCAT_DELETE, new ConcatDeleteOp());
   instances.put(OP_RENAME, new RenameOp());
   instances.put(OP_DELETE, new DeleteOp());
   instances.put(OP_MKDIR, new MkdirOp());
   instances.put(OP_SET_GENSTAMP, new SetGenstampOp());
   instances.put(OP_DATANODE_ADD, new DatanodeAddOp());
   instances.put(OP_DATANODE_REMOVE, new DatanodeRemoveOp());
   instances.put(OP_SET_PERMISSIONS, new SetPermissionsOp());
   instances.put(OP_SET_OWNER, new SetOwnerOp());
   instances.put(OP_SET_NS_QUOTA, new SetNSQuotaOp());
   instances.put(OP_CLEAR_NS_QUOTA, new ClearNSQuotaOp());
   instances.put(OP_SET_QUOTA, new SetQuotaOp());
   instances.put(OP_TIMES, new TimesOp());
   instances.put(OP_START_LOG_SEGMENT,
          new LogSegmentOp(OP_START_LOG_SEGMENT));
   instances.put(OP_END_LOG_SEGMENT,
          new LogSegmentOp(OP_END_LOG_SEGMENT));
   return instances;
  }
};

inst.put(OP_RENAME_OLD, new RenameOldOp());
inst.put(OP_DELETE, new DeleteOp());
inst.put(OP_MKDIR, new MkdirOp());
inst.put(OP_SET_GENSTAMP_V1, new SetGenstampV1Op());
inst.put(OP_SET_PERMISSIONS, new SetPermissionsOp());

inst.put(OP_RENAME_OLD, new RenameOldOp());
inst.put(OP_DELETE, new DeleteOp());
inst.put(OP_MKDIR, new MkdirOp());
inst.put(OP_SET_GENSTAMP_V1, new SetGenstampV1Op());
inst.put(OP_SET_PERMISSIONS, new SetPermissionsOp());