DODB: correct typing for all functions.
parent
c36cad41ab
commit
73e1f0123c
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@ -47,7 +47,7 @@
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(declare (type string value))
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(substitute-if #\_ #'is-forbidden-character-p value))
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; (declaim (ftype (function (string symbol null) string) value->safe-string))
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(declaim (ftype (function (atom) string) value->safe-string))
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(defun value->safe-string (value)
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(protect-file-system (typecase value
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(string value)
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@ -65,6 +65,7 @@
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; db/new ensures directory '<path>/data/' exist,
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; then loads values from existing files, if any, and puts them into db-data.
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(declaim (ftype (function (string) db) db/new))
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(defun db/new (path)
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(declare (type string path))
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(let ((data (make-hash-table))
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@ -99,6 +100,7 @@
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(concatenate 'string dbpath "/partitions/by_" name "/" object-attribute "/"))
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; Example: "./storage/cars/" "name" #'vehicle-name object -> "./storage/cars/indexes/by_name/Corvet".
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(declaim (ftype (function (string string function atom) string) db/index/get-symlink-path))
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(defun db/index/get-symlink-path (dbpath index-name fsymbol object)
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(declare (type string dbpath index-name))
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(declare (type function fsymbol))
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@ -112,6 +114,7 @@
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; -> (osicat:make-link "./storage/cars/indexes/by_name/Corvet"
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; :target "../../data/0000000015"
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; :hard nil)
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(declaim (ftype (function (string string function atom string) null) db/index/new))
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(defun db/index/new (dbpath index-name fsymbol object file-name)
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(declare (type string dbpath index-name file-name))
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(declare (type function fsymbol))
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@ -121,15 +124,19 @@
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; works even when the database directory is moved
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(osicat:make-link symlink-path
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:target (concatenate 'string "../../data/" file-name)
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:hard nil)))
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:hard nil))
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(values nil))
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(declaim (ftype (function (string string function atom) null) db/index/del))
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(defun db/index/del (dbpath index-name fsymbol object)
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(declare (type string dbpath index-name))
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(declare (type function fsymbol))
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(delete-file (db/index/get-symlink-path dbpath index-name fsymbol object)))
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(delete-file (db/index/get-symlink-path dbpath index-name fsymbol object))
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(values nil))
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; Example: "./storage/cars/" "color" #'vehicle-color object "0000000015".
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; -> "./storage/cars/partitions/by_color/Red/0000000015".
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(declaim (ftype (function (string string function atom string) string) db/partition/get-symlink-path))
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(defun db/partition/get-symlink-path (dbpath partition-name fsymbol object file-name)
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(declare (type string dbpath partition-name file-name))
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(declare (type function fsymbol))
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@ -143,6 +150,7 @@
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; -> (osicat:make-link "./storage/cars/partitions/by_color/Red/0000000015"
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; :target "../../../data/0000000015"
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; :hard nil)
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(declaim (ftype (function (string string function atom string) null) db/partition/new))
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(defun db/partition/new (dbpath partition-name fsymbol object file-name)
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(declare (type string dbpath partition-name file-name))
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(declare (type function fsymbol))
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@ -154,14 +162,19 @@
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; works even when the database directory is moved
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(osicat:make-link symlink-path
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:target (concatenate 'string "../../../data/" file-name)
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:hard nil)))
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:hard nil))
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(values nil))
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(declaim (ftype (function (string string function atom string) null) db/partition/del))
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(defun db/partition/del (dbpath partition-name fsymbol object file-basename)
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(declare (type string dbpath partition-name file-basename))
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(declare (type function fsymbol))
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(delete-file (db/partition/get-symlink-path dbpath partition-name fsymbol object file-basename)))
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(delete-file (db/partition/get-symlink-path dbpath partition-name fsymbol object file-basename))
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(values nil))
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(declaim (ftype (function (db string function) null) db/new-index))
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(defun db/new-index (database index-name fsymbol)
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(declare (type db database))
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(declare (type string index-name))
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(declare (type function fsymbol))
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(let ((dbpath (db-path database))
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@ -178,8 +191,10 @@
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(handler-case (db/index/new dbpath index-name fsymbol object (number->filename number))
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(OSICAT-POSIX:EEXIST ()
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(format t "dodb:db/new-index: symlink already exists, ignoring.~&"))))
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(db-data database))))
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(db-data database)))
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(values nil))
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(declaim (ftype (function (string string function atom string atom) null) db/partition/update))
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(defun db/partition/update (dbpath partition-name fsymbol object file-name old-object)
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(declare (type string dbpath partition-name file-name))
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(declare (type function fsymbol))
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@ -192,7 +207,9 @@
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; create new partition
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(db/partition/new dbpath partition-name fsymbol object file-name)))))
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(declaim (ftype (function (db string function) null) db/new-partition))
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(defun db/new-partition (database partition-name fsymbol)
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(declare (type db database))
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(declare (type string partition-name))
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(declare (type function fsymbol))
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(let ((dbpath (db-path database))
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@ -209,7 +226,8 @@
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(handler-case (db/partition/new dbpath partition-name fsymbol object (number->filename number))
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(OSICAT-POSIX:EEXIST ()
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(format t "dodb:db/new-partition: symlink already exists, ignoring.~&"))))
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(db-data database))))
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(db-data database)))
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(values nil))
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; Example: "./storage/cars/data/000000000000018".
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(declaim (ftype (function (string string) string) get-filepath))
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@ -217,7 +235,9 @@
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(declare (type string dbpath file-name))
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(concatenate 'string dbpath "/data/" file-name))
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(declaim (ftype (function (db atom) integer) db/add))
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(defun db/add (database object)
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(declare (type db database))
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(incf (db-current-index database))
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(let* ((file-basename (number->filename (db-current-index database)))
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(dbpath (db-path database))
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@ -245,7 +265,9 @@
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(setf (gethash (db-current-index database) (db-data database)) object)
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(db-current-index database))
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(declaim (ftype (function (db integer) null) db/del))
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(defun db/del (database object-index)
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(declare (type db database))
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(declare (type integer object-index))
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(let ((file-basename (number->filename object-index))
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(dbpath (db-path database))
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@ -264,10 +286,13 @@
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(db-partitions database))
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; remove in-memory data
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(remhash object-index (db-data database))))
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(remhash object-index (db-data database)))
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(values nil))
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; Search for the data from the FS.
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(declaim (ftype (function (db string atom) integer) db/get-by-index))
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(defun db/get-by-index (database index-name attribute-value)
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(declare (type db database))
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(declare (type string index-name))
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(let ((value (value->safe-string attribute-value)))
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(filename->integer
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@ -276,13 +301,16 @@
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(db/index/get-directory-path (db-path database) index-name) "/" value)))))
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; Search for the data from the FS.
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(declaim (ftype (function (db string atom) cons) db/get-by-partition))
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(defun db/get-by-partition (database name attribute-value)
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(declare (type db database))
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(declare (type string name))
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(let ((value (value->safe-string attribute-value))
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(dbpath (db-path database)))
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(loop for filename in (osicat:list-directory (db/partition/get-directory-path dbpath name value))
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collect (filename->integer filename))))
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(declaim (ftype (function (string string function atom string atom) null) db/index/update))
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(defun db/index/update (dbpath index-name fsymbol object file-name old-object)
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(declare (type string dbpath index-name file-name))
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(declare (type function fsymbol))
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@ -301,7 +329,9 @@
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; TODO: check database integrity (redundancy)
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; TODO: locking
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(declaim (ftype (function (db integer) null) db/update))
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(defun db/update (database object-index)
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(declare (type db database))
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(declare (type integer object-index))
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(let* ((object (gethash object-index (db-data database)))
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(dbpath (db-path database))
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@ -327,8 +357,12 @@
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; handle partitions
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(maphash #'(lambda (partition-name fsymbol)
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(db/partition/update dbpath partition-name fsymbol object file-basename old-object))
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(db-partitions database))))
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(db-partitions database)))
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(values nil))
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(declaim (ftype (function (db) null) db/drop-everything))
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(defun db/drop-everything (database)
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(declare (type db database))
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(osicat:delete-directory-and-files (db-path database))
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(clrhash (db-data database)))
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(clrhash (db-data database))
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(values nil))
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