How to use

FSEditLogOp$MkdirOp

in

org.apache.hadoop.hdfs.server.namenode

 @Override void fromXml(Stanza st) throws InvalidXmlException {
  this.length = Integer.parseInt(st.getValue("LENGTH"));
  this.inodeId = Long.parseLong(st.getValue("INODEID"));
  this.path = st.getValue("PATH");
  this.timestamp = Long.parseLong(st.getValue("TIMESTAMP"));
  this.permissions = permissionStatusFromXml(st);
  aclEntries = readAclEntriesFromXml(st);
  xAttrs = readXAttrsFromXml(st);
 }
}

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());

  @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;
  }
};

/** 
 * Add create directory record to edit log
 */
public void logMkDir(String path, INode newNode) {
 PermissionStatus permissions = newNode.getPermissionStatus();
 MkdirOp op = MkdirOp.getInstance(cache.get())
  .setInodeId(newNode.getId())
  .setPath(path)
  .setTimestamp(newNode.getModificationTime())
  .setPermissionStatus(permissions);
 AclFeature f = newNode.getAclFeature();
 if (f != null) {
  op.setAclEntries(AclStorage.readINodeLogicalAcl(newNode));
 }
 XAttrFeature x = newNode.getXAttrFeature();
 if (x != null) {
  op.setXAttrs(x.getXAttrs());
 }
 logEdit(op);
}

/** 
 * Add create directory record to edit log
 */
public void logMkDir(String path, INode newNode) {
 PermissionStatus permissions = newNode.getPermissionStatus();
 MkdirOp op = MkdirOp.getInstance(cache.get())
  .setInodeId(newNode.getId())
  .setPath(path)
  .setTimestamp(newNode.getModificationTime())
  .setPermissionStatus(permissions);
 AclFeature f = newNode.getAclFeature();
 if (f != null) {
  op.setAclEntries(AclStorage.readINodeLogicalAcl(newNode));
 }
 XAttrFeature x = newNode.getXAttrFeature();
 if (x != null) {
  op.setXAttrs(x.getXAttrs());
 }
 logEdit(op);
}

 @Override void fromXml(Stanza st) throws InvalidXmlException {
  this.length = Integer.parseInt(st.getValue("LENGTH"));
  this.inodeId = Long.parseLong(st.getValue("INODEID"));
  this.path = st.getValue("PATH");
  this.timestamp = Long.parseLong(st.getValue("TIMESTAMP"));
  this.permissions = permissionStatusFromXml(st);
  aclEntries = readAclEntriesFromXml(st);
  xAttrs = readXAttrsFromXml(st);
 }
}

/** 
 * Add create directory record to edit log
 */
public void logMkDir(String path, INode newNode) {
 MkdirOp op = MkdirOp.getInstance();
 op.set(path, newNode.getModificationTime(), 
   newNode.getPermissionStatus());
 logEdit(op);
}

 @Override void fromXml(Stanza st) throws InvalidXmlException {
  this.length = Integer.parseInt(st.getValue("LENGTH"));
  this.inodeId = Long.parseLong(st.getValue("INODEID"));
  this.path = st.getValue("PATH");
  this.timestamp = Long.parseLong(st.getValue("TIMESTAMP"));
  this.permissions = permissionStatusFromXml(st);
  aclEntries = readAclEntriesFromXml(st);
  xAttrs = readXAttrsFromXml(st);
 }
}

public static FSEditLogOp createMkdirOp(String path) {
 MkdirOp op = MkdirOp.getInstance(new FSEditLogOp.OpInstanceCache())
  .setPath(path)
  .setTimestamp(0)
  .setPermissionStatus(new PermissionStatus(
      "testuser", "testgroup", FsPermission.getDefault()));
 return op;
}

/** 
 * Add create directory record to edit log
 */
public void logMkDir(String path, INode newNode) {
 PermissionStatus permissions = newNode.getPermissionStatus();
 MkdirOp op = MkdirOp.getInstance(cache.get())
  .setInodeId(newNode.getId())
  .setPath(path)
  .setTimestamp(newNode.getModificationTime())
  .setPermissionStatus(permissions);
 AclFeature f = newNode.getAclFeature();
 if (f != null) {
  op.setAclEntries(AclStorage.readINodeLogicalAcl(newNode));
 }
 XAttrFeature x = newNode.getXAttrFeature();
 if (x != null) {
  op.setXAttrs(x.getXAttrs());
 }
 logEdit(op);
}