June 2004 - cl-prevalence-cvs@common-lisp.net

[cl-prevalence-cvs] CVS update: cl-prevalence/src/blob.lisp
by Sven Van Caekenberghe 28 Jun '04

28 Jun '04

Update of /project/cl-prevalence/cvsroot/cl-prevalence/src In directory common-lisp.net:/tmp/cvs-serv12352/src Modified Files: blob.lisp Log Message: minor bugfix Date: Mon Jun 28 05:54:47 2004 Author: scaekenberghe Index: cl-prevalence/src/blob.lisp diff -u cl-prevalence/src/blob.lisp:1.1.1.1 cl-prevalence/src/blob.lisp:1.2 --- cl-prevalence/src/blob.lisp:1.1.1.1 Sun Jun 20 12:13:38 2004 +++ cl-prevalence/src/blob.lisp Mon Jun 28 05:54:47 2004 @@ -1,6 +1,6 @@ ;;;; -*- Mode: LISP -*- ;;;; -;;;; $Id: blob.lisp,v 1.1.1.1 2004/06/20 19:13:38 scaekenberghe Exp $ +;;;; $Id: blob.lisp,v 1.2 2004/06/28 12:54:47 scaekenberghe Exp $ ;;;; ;;;; Blobs represent collections of bytes of a certain mime type, ;;;; where the bytes themselves are stored automatically in an ordinary file. @@ -78,7 +78,7 @@ (with-open-file (out (get-file blob) :direction :output :element-type '(unsigned-byte 8) - :if-exists :overwrite + :if-exists :supersede :if-does-not-exist :create) (copy-stream binary-input-stream out)))

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[cl-prevalence-cvs] CVS update: cl-prevalence/src/master-slave.lisp cl-prevalence/src/package.lisp
by Sven Van Caekenberghe 28 Jun '04

28 Jun '04

Update of /project/cl-prevalence/cvsroot/cl-prevalence/src In directory common-lisp.net:/tmp/cvs-serv19488/src Modified Files: package.lisp Added Files: master-slave.lisp Log Message: added first proof-of-concept version of master-slave replication between 2 systems Date: Mon Jun 28 04:57:30 2004 Author: scaekenberghe Index: cl-prevalence/src/package.lisp diff -u cl-prevalence/src/package.lisp:1.3 cl-prevalence/src/package.lisp:1.4 --- cl-prevalence/src/package.lisp:1.3 Mon Jun 21 08:26:21 2004 +++ cl-prevalence/src/package.lisp Mon Jun 28 04:57:30 2004 @@ -1,6 +1,6 @@ ;;;; -*- Mode: LISP -*- ;;;; -;;;; $Id: package.lisp,v 1.3 2004/06/21 15:26:21 scaekenberghe Exp $ +;;;; $Id: package.lisp,v 1.4 2004/06/28 11:57:30 scaekenberghe Exp $ ;;;; ;;;; Package definitions for the CL-PREVALENCE project ;;;; @@ -21,7 +21,7 @@ (defpackage :cl-prevalence (:use :cl :s-serialization) - #+NIL(:nicknames :clp) + #+nil (:nicknames :clp) (:export #:make-prevalence-system #:make-transaction @@ -72,7 +72,12 @@ #:tx-change-object-slots #:get-preference #:all-preferences-keys - #:tx-set-preference) + #:tx-set-preference + + #:start-master-client + #:stop-master-client + #:start-slave-server + #:stop-slave-server) (:documentation "An implementation of Object Prevalence for Common Lisp")) ;;;; eof

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[cl-prevalence-cvs] CVS update: cl-prevalence/test/test-master-slave.lisp
by Sven Van Caekenberghe 28 Jun '04

28 Jun '04

Update of /project/cl-prevalence/cvsroot/cl-prevalence/test In directory common-lisp.net:/tmp/cvs-serv19488/test Added Files: test-master-slave.lisp Log Message: added first proof-of-concept version of master-slave replication between 2 systems Date: Mon Jun 28 04:57:30 2004 Author: scaekenberghe

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[cl-prevalence-cvs] CVS update: cl-prevalence/cl-prevalence.asd
by Sven Van Caekenberghe 28 Jun '04

28 Jun '04

Update of /project/cl-prevalence/cvsroot/cl-prevalence In directory common-lisp.net:/tmp/cvs-serv19488 Modified Files: cl-prevalence.asd Log Message: added first proof-of-concept version of master-slave replication between 2 systems Date: Mon Jun 28 04:57:26 2004 Author: scaekenberghe Index: cl-prevalence/cl-prevalence.asd diff -u cl-prevalence/cl-prevalence.asd:1.1.1.1 cl-prevalence/cl-prevalence.asd:1.2 --- cl-prevalence/cl-prevalence.asd:1.1.1.1 Sun Jun 20 12:13:38 2004 +++ cl-prevalence/cl-prevalence.asd Mon Jun 28 04:57:26 2004 @@ -1,6 +1,6 @@ ;;;; -*- Mode: LISP -*- ;;;; -;;;; $Id: cl-prevalence.asd,v 1.1.1.1 2004/06/20 19:13:38 scaekenberghe Exp $ +;;;; $Id: cl-prevalence.asd,v 1.2 2004/06/28 11:57:26 scaekenberghe Exp $ ;;;; ;;;; The CL-PREVALENCE ASDF system definition ;;;; @@ -30,6 +30,8 @@ (:file "prevalence" :depends-on ("serialization")) (:file "debug-prevalence" :depends-on ("prevalence")) (:file "managed-prevalence" :depends-on ("prevalence")) + (:file "sysdeps" :depends-on ("package")) + (:file "master-slave" :depends-on ("prevalence" "sysdeps")) (:file "blob" :depends-on ("managed-prevalence"))))) :depends-on (:s-xml))

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[cl-prevalence-cvs] CVS update: cl-prevalence/src/prevalence.lisp
by Sven Van Caekenberghe 28 Jun '04

28 Jun '04

Update of /project/cl-prevalence/cvsroot/cl-prevalence/src In directory common-lisp.net:/tmp/cvs-serv17101/src Modified Files: prevalence.lisp Log Message: introduced transaction-hook turned *serialization-state* into an instance variable in prevalence-system bugfixes to filenaming methods Date: Mon Jun 28 04:56:35 2004 Author: scaekenberghe Index: cl-prevalence/src/prevalence.lisp diff -u cl-prevalence/src/prevalence.lisp:1.4 cl-prevalence/src/prevalence.lisp:1.5 --- cl-prevalence/src/prevalence.lisp:1.4 Sun Jun 27 09:37:10 2004 +++ cl-prevalence/src/prevalence.lisp Mon Jun 28 04:56:35 2004 @@ -1,6 +1,6 @@ ;;;; -*- mode: Lisp -*- ;;;; -;;;; $Id: prevalence.lisp,v 1.4 2004/06/27 16:37:10 scaekenberghe Exp $ +;;;; $Id: prevalence.lisp,v 1.5 2004/06/28 11:56:35 scaekenberghe Exp $ ;;;; ;;;; Object Prevalence in Common Lisp ;;;; @@ -96,7 +96,14 @@ (file-extension ;; type string :accessor get-file-extension :initarg :file-extension - :initform "xml")) + :initform "xml") + (serialization-state ;; type serialization-state + :reader get-serialization-state + :initform (make-serialization-state)) + (transaction-hook ;; type function + :accessor get-transaction-hook + :initarg :transaction-hook + :initform #'identity)) (:documentation "Base Prevalence system implementation object")) (defclass guarded-prevalence-system (prevalence-system) @@ -190,8 +197,6 @@ (defmethod remove-root-object ((system prevalence-system) name) (remhash name (get-root-objects system))) -(defparameter *serialization-state* (make-serialization-state)) - (defmethod execute ((system prevalence-system) (transaction transaction)) "Execute a transaction on a system and log it to the transaction log" (let ((result @@ -202,13 +207,21 @@ ";; Notice: system rollback/restore due to error (~a)~%" condition) (restore system))))) - (execute-on transaction system))) - (out (get-transaction-log-stream system))) - (funcall (get-serializer system) transaction out *serialization-state*) - (terpri out) - (finish-output out) + (execute-on transaction system)))) + (log-transaction system transaction) result)) +(defmethod log-transaction ((system prevalence-system) (transaction transaction)) + "Log transaction for system" + (let ((out (get-transaction-log-stream system))) + (funcall (get-serializer system) transaction out (get-serialization-state system)) + (terpri out) + (finish-output out))) + +(defmethod log-transaction :after ((system prevalence-system) (transaction transaction)) + "Execute the transaction-hook" + (funcall (get-transaction-hook system) transaction)) + (defmethod query ((system prevalence-system) function &rest args) "Execute an exclusive query function on a sytem" (apply function (cons system args))) @@ -230,7 +243,7 @@ snapshot))) (with-open-file (out snapshot :direction :output :if-does-not-exist :create :if-exists :supersede) - (funcall (get-serializer system) (get-root-objects system) out *serialization-state*)) + (funcall (get-serializer system) (get-root-objects system) out (get-serialization-state system))) (when (probe-file transaction-log) (copy-file transaction-log (merge-pathnames (make-pathname :name (get-transaction-log-filename timetag) :type (get-file-extension system)) @@ -261,7 +274,7 @@ (close-open-streams system) (when (probe-file (get-snapshot system)) (with-open-file (in (get-snapshot system) :direction :input) - (setf (get-root-objects system) (funcall (get-deserializer system) in *serialization-state*)))) + (setf (get-root-objects system) (funcall (get-deserializer system) in (get-serialization-state system))))) (when (probe-file (get-transaction-log system)) (let ((position 0)) (handler-bind ((s-xml:xml-parser-error @@ -273,7 +286,7 @@ (return-from restore)))) (with-open-file (in (get-transaction-log system) :direction :input) (loop - (let ((transaction (funcall (get-deserializer system) in *serialization-state*))) + (let ((transaction (funcall (get-deserializer system) in (get-serialization-state system)))) (setf position (file-position in)) (if transaction (execute-on transaction system) @@ -316,11 +329,11 @@ (defmethod get-transaction-log-filename ((system prevalence-system) &optional suffix) "Return the name of the transaction-log filename, optionally using a suffix" - (format nil "transaction-log@[-~a]" suffix)) + (format nil "transaction-log~@[-~a~]" suffix)) (defmethod get-snapshot-filename ((system prevalence-system) &optional suffix) "Return the name of the snapshot filename, optionally using a suffix" - (format nil "snapshot@[-~a]" suffix)) + (format nil "snapshot~@[-~a~]" suffix)) ;;; Some file manipulation utilities

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[cl-prevalence-cvs] CVS update: cl-prevalence/src/sysdeps.lisp
by Sven Van Caekenberghe 28 Jun '04

28 Jun '04

Update of /project/cl-prevalence/cvsroot/cl-prevalence/src In directory common-lisp.net:/tmp/cvs-serv11775/src Added Files: sysdeps.lisp Log Message: introduced sysdeps file Date: Mon Jun 28 04:54:50 2004 Author: scaekenberghe

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[cl-prevalence-cvs] CVS update: cl-prevalence/test/demo2.lisp
by Sven Van Caekenberghe 28 Jun '04

28 Jun '04

Update of /project/cl-prevalence/cvsroot/cl-prevalence/test In directory common-lisp.net:/tmp/cvs-serv11775/test Modified Files: demo2.lisp Log Message: introduced sysdeps file Date: Mon Jun 28 04:54:49 2004 Author: scaekenberghe Index: cl-prevalence/test/demo2.lisp diff -u cl-prevalence/test/demo2.lisp:1.1.1.1 cl-prevalence/test/demo2.lisp:1.2 --- cl-prevalence/test/demo2.lisp:1.1.1.1 Sun Jun 20 12:13:42 2004 +++ cl-prevalence/test/demo2.lisp Mon Jun 28 04:54:49 2004 @@ -1,6 +1,6 @@ ;;;; -*- mode: Lisp -*- ;;;; -;;;; $Id: demo2.lisp,v 1.1.1.1 2004/06/20 19:13:42 scaekenberghe Exp $ +;;;; $Id: demo2.lisp,v 1.2 2004/06/28 11:54:49 scaekenberghe Exp $ ;;;; ;;;; A Common Lisp version of the the Java Prevalyer demo2 example ;;;; @@ -298,25 +298,16 @@ (delete-account account-number) (setf (get-option *bank-system* :rollback-on-error) nil))) -;;; a multi-processing example (openmcl & lispworks only) +;;; a multi-processing example (defparameter *bank-system-lock* - #+openmcl (ccl:make-lock "bank-system-lock") - #+lispworks (mp:make-lock :name "bank-system-lock") - #+allegro (mp:make-process-lock :name "bank-system-lock") - #-(or openmcl lispworks allegro) nil) + (make-process-lock "bank-system-lock")) (defun bank-system-guard (thunk) - #+openmcl (ccl:with-lock-grabbed (*bank-system-lock*) (funcall thunk)) - #+lispworks (mp:with-lock (*bank-system-lock*) (funcall thunk)) - #+allegro (mp:with-process-lock (*bank-system-lock*) (funcall thunk)) - #-(or openmcl lispworks allegro) (funcall thunk)) + (with-process-lock (*bank-system-lock*) (funcall thunk))) (defun spawn-process (name function) - #+openmcl (ccl:process-run-function name function) - #+lispworks (mp:process-run-function name nil function) - #+allegro (mp:process-run-function name function) - #-(or openmcl lispworks allegro) (funcall function)) + (run-process name function)) (defun bank-test-5-setup () (when *bank-system* (close-open-streams *bank-system*))

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[cl-prevalence-cvs] CVS update: cl-prevalence/src/prevalence.lisp
by Sven Van Caekenberghe 27 Jun '04

27 Jun '04

Update of /project/cl-prevalence/cvsroot/cl-prevalence/src In directory common-lisp.net:/tmp/cvs-serv10865/src Modified Files: prevalence.lisp Log Message: General code cleanup Added method for snapshot, backup and restore specialized on guarded-prevalence-system that go through the guard thunk Date: Sun Jun 27 09:37:10 2004 Author: scaekenberghe Index: cl-prevalence/src/prevalence.lisp diff -u cl-prevalence/src/prevalence.lisp:1.3 cl-prevalence/src/prevalence.lisp:1.4 --- cl-prevalence/src/prevalence.lisp:1.3 Tue Jun 22 01:37:23 2004 +++ cl-prevalence/src/prevalence.lisp Sun Jun 27 09:37:10 2004 @@ -1,6 +1,6 @@ ;;;; -*- mode: Lisp -*- ;;;; -;;;; $Id: prevalence.lisp,v 1.3 2004/06/22 08:37:23 scaekenberghe Exp $ +;;;; $Id: prevalence.lisp,v 1.4 2004/06/27 16:37:10 scaekenberghe Exp $ ;;;; ;;;; Object Prevalence in Common Lisp ;;;; @@ -122,6 +122,12 @@ () (:documentation "Thrown by code inside a transaction to indicate that no rollback is needed")) +(defmethod initiates-rollback ((condition condition)) + t) + +(defmethod initiates-rollback ((no-rollback-error no-rollback-error)) + nil) + ;;; Implementation (defmethod initialize-instance :after ((system prevalence-system) &rest initargs &key &allow-other-keys) @@ -129,9 +135,10 @@ (declare (ignore initargs)) (with-slots (directory) system (ensure-directories-exist directory) - (setf (get-snapshot system) (merge-pathnames (make-pathname :name "snapshot" :type (get-file-extension system)) + (setf (get-snapshot system) (merge-pathnames (make-pathname :name (get-snapshot-filename system) + :type (get-file-extension system)) directory) - (get-transaction-log system) (merge-pathnames (make-pathname :name "transaction-log" + (get-transaction-log system) (merge-pathnames (make-pathname :name (get-transaction-log-filename system) :type (get-file-extension system)) directory))) (restore system)) @@ -145,14 +152,14 @@ :if-exists :append))))) (defmethod close-open-streams ((system prevalence-system) &key abort) - "Close all open stream associated with system" + "Close all open stream associated with system (optionally aborting operations in progress)" (with-slots (transaction-log-stream) system (when transaction-log-stream (close transaction-log-stream :abort abort) (setf transaction-log-stream nil)))) (defmethod totally-destroy ((system prevalence-system) &key abort) - "Totally destroy system from permanent storage by deleting any files that we find" + "Totally destroy system from permanent storage by deleting any files used by the system, remove all root objects" (close-open-streams system :abort abort) (when (probe-file (get-directory system)) (dolist (pathname (directory (merge-pathnames (make-pathname :type (get-file-extension system)) @@ -161,9 +168,10 @@ (clrhash (get-root-objects system))) (defmethod print-object ((transaction transaction) stream) - (format stream "#<TRANSACTION ~a ~a>" - (get-function transaction) - (or (get-args transaction) "()"))) + (print-unreadable-object (transaction stream :type t :identity t) + (format stream "~a ~a" + (get-function transaction) + (or (get-args transaction) "()")))) (defmethod get-root-object ((system prevalence-system) name) (gethash name (get-root-objects system))) @@ -190,7 +198,9 @@ (handler-bind ((error #'(lambda (condition) (when (and (get-option system :rollback-on-error) (initiates-rollback condition)) - (format t ";; Notice: system rollback/restore due to error (~a)~%" condition) + (format *standard-output* + ";; Notice: system rollback/restore due to error (~a)~%" + condition) (restore system))))) (execute-on transaction system))) (out (get-transaction-log-stream system))) @@ -203,28 +213,11 @@ "Execute an exclusive query function on a sytem" (apply function (cons system args))) -(defmethod execute ((system guarded-prevalence-system) (transaction transaction)) - "Execute a transaction on a sytem controlled by a guard" - (funcall (get-guard system) - #'(lambda () (call-next-method system transaction)))) - -(defmethod query ((system guarded-prevalence-system) function &rest args) - "Execute an exclusive query function on a sytem controlled by a guard" - (funcall (get-guard system) - #'(lambda () (apply function (cons system args))))) - (defmethod execute-on ((transaction transaction) (system prevalence-system)) "Execute a transaction itself in the context of a system" (apply (get-function transaction) (cons system (get-args transaction)))) -(defun timetag () - (multiple-value-bind (second minute hour date month year) - (decode-universal-time (get-universal-time) 0) - (format nil - "~d~2,'0d~2,'0dT~2,'0d~2,'0d~2,'0d" - year month date hour minute second))) - (defmethod snapshot ((system prevalence-system)) "Write to whole system to persistent storage resetting the transaction log" (let ((timetag (timetag)) @@ -232,14 +225,14 @@ (snapshot (get-snapshot system))) (close-open-streams system) (when (probe-file snapshot) - (copy-file snapshot (merge-pathnames (make-pathname :name (format nil "snapshot-~a" timetag) + (copy-file snapshot (merge-pathnames (make-pathname :name (get-snapshot-filename timetag) :type (get-file-extension system)) snapshot))) (with-open-file (out snapshot :direction :output :if-does-not-exist :create :if-exists :supersede) (funcall (get-serializer system) (get-root-objects system) out *serialization-state*)) (when (probe-file transaction-log) - (copy-file transaction-log (merge-pathnames (make-pathname :name (format nil "transaction-log-~a" timetag) + (copy-file transaction-log (merge-pathnames (make-pathname :name (get-transaction-log-filename timetag) :type (get-file-extension system)) transaction-log)) (delete-file transaction-log)))) @@ -249,10 +242,10 @@ (let* ((timetag (timetag)) (transaction-log (get-transaction-log system)) (snapshot (get-snapshot system)) - (transaction-log-backup (merge-pathnames (make-pathname :name (format nil "transaction-log-~a" timetag) + (transaction-log-backup (merge-pathnames (make-pathname :name (get-transaction-log-filename timetag) :type (get-file-extension system)) (or directory transaction-log))) - (snapshot-backup (merge-pathnames (make-pathname :name (format nil "snapshot-~a" timetag) + (snapshot-backup (merge-pathnames (make-pathname :name (get-snapshot-filename timetag) :type (get-file-extension system)) (or directory snapshot)))) (close-open-streams system) @@ -273,7 +266,9 @@ (let ((position 0)) (handler-bind ((s-xml:xml-parser-error #'(lambda (condition) - (format t ";; Warning: error during transaction log restore: ~s~%" condition) + (format *standard-output* + ";; Warning: error during transaction log restore: ~s~%" + condition) (truncate-file (get-transaction-log system) position) (return-from restore)))) (with-open-file (in (get-transaction-log system) :direction :input) @@ -284,6 +279,51 @@ (execute-on transaction system) (return))))))))) +(defmethod execute ((system guarded-prevalence-system) (transaction transaction)) + "Execute a transaction on a system controlled by a guard" + (funcall (get-guard system) + #'(lambda () (call-next-method system transaction)))) + +(defmethod query ((system guarded-prevalence-system) function &rest args) + "Execute an exclusive query function on a sytem controlled by a guard" + (funcall (get-guard system) + #'(lambda () (apply function (cons system args))))) + +(defmethod snapshot ((system guarded-prevalence-system)) + "Make a snapshot of a system controlled by a guard" + (funcall (get-guard system) + #'(lambda () (call-next-method system)))) + +(defmethod backup ((system guarded-prevalence-system) &key directory) + "Do a backup on a system controlled by a guard" + (funcall (get-guard system) + #'(lambda () (call-next-method system directory)))) + +(defmethod restore ((system guarded-prevalence-system)) + "Restore a system controlled by a guard" + (funcall (get-guard system) + #'(lambda () (call-next-method system)))) + +;;; Some utilities + +(defun timetag (&optional (universal-time (get-universal-time))) + "Return a GMT string of universal-time as YYMMDDTHHMMSS" + (multiple-value-bind (second minute hour date month year) + (decode-universal-time universal-time 0) + (format nil + "~d~2,'0d~2,'0dT~2,'0d~2,'0d~2,'0d" + year month date hour minute second))) + +(defmethod get-transaction-log-filename ((system prevalence-system) &optional suffix) + "Return the name of the transaction-log filename, optionally using a suffix" + (format nil "transaction-log@[-~a]" suffix)) + +(defmethod get-snapshot-filename ((system prevalence-system) &optional suffix) + "Return the name of the snapshot filename, optionally using a suffix" + (format nil "snapshot@[-~a]" suffix)) + +;;; Some file manipulation utilities + (defun truncate-file (file position) "Truncate the physical file at position by copying and replacing it" (let ((tmp-file (merge-pathnames (concatenate 'string "tmp-" (pathname-name file)) file)) @@ -314,11 +354,7 @@ (write-sequence buffer out :end read-count) (when (< read-count 4096) (return))))))) -(defmethod initiates-rollback ((condition condition)) - t) - -(defmethod initiates-rollback ((no-rollback-error no-rollback-error)) - nil) +;;; extra documentation (setf (documentation 'get-guard 'function) "Access the guard function of a sytem")

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[cl-prevalence-cvs] CVS update: cl-prevalence/test/test-prevalence.lisp
by Sven Van Caekenberghe 25 Jun '04

25 Jun '04

Update of /project/cl-prevalence/cvsroot/cl-prevalence/test In directory common-lisp.net:/tmp/cvs-serv13767/test Modified Files: test-prevalence.lisp Log Message: we now call close-open-streams because windos chokes on this when the file is later deleted Date: Fri Jun 25 09:19:05 2004 Author: scaekenberghe Index: cl-prevalence/test/test-prevalence.lisp diff -u cl-prevalence/test/test-prevalence.lisp:1.1.1.1 cl-prevalence/test/test-prevalence.lisp:1.2 --- cl-prevalence/test/test-prevalence.lisp:1.1.1.1 Sun Jun 20 12:13:42 2004 +++ cl-prevalence/test/test-prevalence.lisp Fri Jun 25 09:19:05 2004 @@ -1,6 +1,6 @@ ;;;; -*- mode: Lisp -*- ;;;; -;;;; $Id: test-prevalence.lisp,v 1.1.1.1 2004/06/20 19:13:42 scaekenberghe Exp $ +;;;; $Id: test-prevalence.lisp,v 1.2 2004/06/25 16:19:05 scaekenberghe Exp $ ;;;; ;;;; Testing Object Prevalence in Common Lisp ;;;; @@ -12,11 +12,13 @@ (in-package :cl-prevalence) -(defvar *test-system*) +(defparameter *test-system-directory* (pathname "/tmp/test-prevalence-system/")) + +(defvar *test-system* nil) ;; Create a new prevalence system for testing purposes -(let ((directory (pathname "/tmp/test-prevalence-system/"))) +(let ((directory *test-system-directory*)) ;; Throw away any xml files that we find: we want to start from scratch (when (probe-file directory) (dolist (pathname (directory (merge-pathnames "*.xml" directory))) @@ -83,8 +85,8 @@ ;; Throw away the previous prevalence instance and start over, ;; counting on a restore operation using the transaction log -(let ((directory (pathname "/tmp/test-prevalence-system/"))) - (setf *test-system* (make-prevalence-system directory))) +(close-open-streams *test-system*) +(setf *test-system* (make-prevalence-system *test-system-directory*)) (let ((person (gethash *jlp* (get-root-object *test-system* :persons)))) (assert (eq (class-of person) (find-class 'person))) @@ -103,8 +105,8 @@ ;; Throw away the previous prevalence instance and start over, ;; counting on a restore operation using the snapshot -(let ((directory (pathname "/tmp/test-prevalence-system/"))) - (setf *test-system* (make-prevalence-system directory))) +(close-open-streams *test-system*) +(setf *test-system* (make-prevalence-system *test-system-directory*)) (let ((person (gethash *jlp* (get-root-object *test-system* :persons)))) (assert (eq (class-of person) (find-class 'person))) @@ -129,8 +131,8 @@ ;; Throw away the previous prevalence instance and start over, ;; counting on a restore operation using both the snapshot and the transaction log -(let ((directory (pathname "/tmp/test-prevalence-system/"))) - (setf *test-system* (make-prevalence-system directory))) +(close-open-streams *test-system*) +(setf *test-system* (make-prevalence-system *test-system-directory*)) (let ((person (gethash *jlp* (get-root-object *test-system* :persons)))) (assert (eq (class-of person) (find-class 'person))) @@ -156,9 +158,10 @@ (setf *guard* t) (funcall thunk)) -(let ((directory (pathname "/tmp/test-prevalence-system/"))) - (setf *test-system* (make-prevalence-system directory :prevalence-system-class 'guarded-prevalence-system)) - (setf (get-guard *test-system*) #'guard)) +(close-open-streams *test-system*) +(setf *test-system* (make-prevalence-system *test-system-directory* + :prevalence-system-class 'guarded-prevalence-system)) +(setf (get-guard *test-system*) #'guard) (let (new-person) (setf *guard* nil)

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[cl-prevalence-cvs] CVS update: public_html/index.html
by Sven Van Caekenberghe 24 Jun '04

24 Jun '04

Update of /project/cl-prevalence/cvsroot/public_html In directory common-lisp.net:/tmp/cvs-serv17154 Modified Files: index.html Log Message: added download links Date: Thu Jun 24 00:23:40 2004 Author: scaekenberghe Index: public_html/index.html diff -u public_html/index.html:1.4 public_html/index.html:1.5 --- public_html/index.html:1.4 Mon Jun 21 07:34:01 2004 +++ public_html/index.html Thu Jun 24 00:23:40 2004 @@ -52,8 +52,10 @@ <h3>Download</h3> <p> - This project is currently starting up, please use - <a href="http://common-lisp.net/cgi-bin/viewcvs.cgi/?cvsroot=cl-prevalence">CVS</a> access for now, which also offers a tarball. + You can download the LLGPL source code and documentation as <a href="cl-prevalence.tgz">cl-prevalence.tgz</a> + (signature: <a href="cl-prevalence.tgz.asc">cl-prevalence.tgz.asc</a>) + (build and/or install with ASDF). + There is also <a href="http://common-lisp.net/cgi-bin/viewcvs.cgi/?cvsroot=cl-prevalence">CVS</a> access. </p> <h3>API</h3> @@ -79,7 +81,7 @@ <li><a href="http://common-lisp.net/mailman/listinfo/cl-prevalence-announce">CL-PREVALENCE-ANNOUNCE mailing list info</a></li> </ul> - <p>CVS version $Id: index.html,v 1.4 2004/06/21 14:34:01 scaekenberghe Exp $</p> + <p>CVS version $Id: index.html,v 1.5 2004/06/24 07:23:40 scaekenberghe Exp $</p> <div class="footer"> <p>Back to <a href="http://common-lisp.net/">Common-lisp.net</a>.</p>

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