author | Stefan Vogel <sv@exept.de> |
Thu, 16 Apr 2015 18:28:45 +0200 | |
branch | expecco_2_7_5 |
changeset 18220 | 361e98951d47 |
parent 16550 | 4bda4424570d |
child 18120 | e3a375d5f6a8 |
child 18632 | 5f99981d6418 |
permissions | -rw-r--r-- |
10847 | 1 |
" |
2 |
COPYRIGHT (c) 2007 by eXept Software AG |
|
3 |
All Rights Reserved |
|
4 |
||
5 |
This software is furnished under a license and may be used |
|
6 |
only in accordance with the terms of that license and with the |
|
7 |
inclusion of the above copyright notice. This software may not |
|
8 |
be provided or otherwise made available to, or used by, any |
|
9 |
other person. No title to or ownership of the software is |
|
10 |
hereby transferred. |
|
11 |
" |
|
10761 | 12 |
"{ Package: 'stx:libbasic' }" |
13 |
||
14 |
Filename subclass:#AutoDeletedFilename |
|
15 |
instanceVariableNames:'' |
|
16 |
classVariableNames:'' |
|
17 |
poolDictionaries:'' |
|
18 |
category:'System-Support' |
|
19 |
! |
|
20 |
||
21 |
!AutoDeletedFilename class methodsFor:'documentation'! |
|
22 |
||
10847 | 23 |
copyright |
24 |
" |
|
25 |
COPYRIGHT (c) 2007 by eXept Software AG |
|
26 |
All Rights Reserved |
|
27 |
||
28 |
This software is furnished under a license and may be used |
|
29 |
only in accordance with the terms of that license and with the |
|
30 |
inclusion of the above copyright notice. This software may not |
|
31 |
be provided or otherwise made available to, or used by, any |
|
32 |
other person. No title to or ownership of the software is |
|
33 |
hereby transferred. |
|
34 |
" |
|
35 |
! |
|
36 |
||
10761 | 37 |
documentation |
38 |
" |
|
39 |
Used with temporary files - these will automatically delete themself, |
|
40 |
when no longer referenced. |
|
41 |
See -> Filename asAutoDeletedFilename |
|
42 |
" |
|
43 |
! |
|
44 |
||
45 |
examples |
|
46 |
" |
|
47 |
the following file will be automatically deleted after some time: |
|
10931
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
48 |
[exBegin] |
10761 | 49 |
|f p| |
50 |
||
15247 | 51 |
f := AutoDeletedFilename newTemporary. |
10761 | 52 |
f writeStream |
53 |
nextPutLine:'hello'; |
|
54 |
close. |
|
55 |
p := f pathName. |
|
56 |
Transcript showCR:p. |
|
57 |
f := f asAutoDeletedFilename. |
|
58 |
self assert:(p asFilename exists). |
|
59 |
ObjectMemory collectGarbage. |
|
60 |
Delay waitForSeconds:2. |
|
61 |
self assert:(p asFilename exists). |
|
62 |
f := nil. |
|
63 |
ObjectMemory collectGarbage. |
|
64 |
Delay waitForSeconds:2. |
|
65 |
self assert:(p asFilename exists not). |
|
10931
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
66 |
[exEnd] |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
67 |
|
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
68 |
|
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
69 |
you can also delete it manually: |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
70 |
[exBegin] |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
71 |
|f p| |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
72 |
|
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
73 |
f := Filename newTemporary. |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
74 |
f writeStream |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
75 |
nextPutLine:'hello'; |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
76 |
close. |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
77 |
p := f pathName. |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
78 |
Transcript showCR:p. |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
79 |
f := f asAutoDeletedFilename. |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
80 |
self assert:(p asFilename exists). |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
81 |
ObjectMemory collectGarbage. |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
82 |
Delay waitForSeconds:2. |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
83 |
self assert:(p asFilename exists). |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
84 |
f remove. |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
85 |
f := nil. |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
86 |
ObjectMemory collectGarbage. |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
87 |
Delay waitForSeconds:2. |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
88 |
self assert:(p asFilename exists not). |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
89 |
[exEnd] |
10761 | 90 |
" |
91 |
! ! |
|
92 |
||
93 |
!AutoDeletedFilename methodsFor:'accessing'! |
|
94 |
||
15470 | 95 |
keep |
96 |
"do not delete the file on finalization" |
|
97 |
||
98 |
self unregisterForFinalization |
|
99 |
! |
|
100 |
||
101 |
setName:aString |
|
102 |
super setName:aString. |
|
103 |
self registerForFinalization |
|
104 |
! ! |
|
105 |
||
106 |
!AutoDeletedFilename methodsFor:'copying'! |
|
107 |
||
108 |
shallowCopy |
|
109 |
"when copying, return a real filename |
|
110 |
(to avoid mutiple removals)" |
|
111 |
||
15810 | 112 |
^ self species named:nameString |
15470 | 113 |
|
114 |
" |
|
115 |
'blaFaselQall.mist' asFilename asAutoDeletedFilename copy |
|
116 |
" |
|
117 |
! ! |
|
118 |
||
119 |
!AutoDeletedFilename methodsFor:'finalization'! |
|
120 |
||
121 |
executor |
|
122 |
^ self class basicNew nameString:nameString |
|
123 |
! |
|
124 |
||
10761 | 125 |
finalize |
11780
f7543590f82a
recursive remove directories when finalizing
Stefan Vogel <sv@exept.de>
parents:
10931
diff
changeset
|
126 |
|linkInfo| |
f7543590f82a
recursive remove directories when finalizing
Stefan Vogel <sv@exept.de>
parents:
10931
diff
changeset
|
127 |
|
16550 | 128 |
"/ do this in a forked process to avoid blocking |
129 |
"/ in case of an autodeleted remote file of a broken connection |
|
130 |
[ |
|
131 |
"/ with timeout to avoid waiting forever |
|
132 |
[ |
|
133 |
linkInfo := self linkInfo. |
|
134 |
linkInfo notNil ifTrue:[ |
|
135 |
linkInfo isDirectory ifTrue:[ |
|
136 |
super recursiveRemove |
|
137 |
] ifFalse:[ |
|
138 |
super removeFile. |
|
139 |
]. |
|
140 |
]. |
|
141 |
] valueWithTimeout:1 minutes. |
|
142 |
] fork. |
|
10761 | 143 |
! ! |
144 |
||
15810 | 145 |
!AutoDeletedFilename methodsFor:'queries'! |
146 |
||
147 |
species |
|
148 |
"filenames derived from me should not be autodeleted themself" |
|
149 |
||
150 |
^ Filename concreteClass. |
|
151 |
! ! |
|
152 |
||
10931
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
153 |
!AutoDeletedFilename methodsFor:'removing'! |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
154 |
|
11780
f7543590f82a
recursive remove directories when finalizing
Stefan Vogel <sv@exept.de>
parents:
10931
diff
changeset
|
155 |
recursiveRemove |
f7543590f82a
recursive remove directories when finalizing
Stefan Vogel <sv@exept.de>
parents:
10931
diff
changeset
|
156 |
super recursiveRemove. |
f7543590f82a
recursive remove directories when finalizing
Stefan Vogel <sv@exept.de>
parents:
10931
diff
changeset
|
157 |
self unregisterForFinalization |
f7543590f82a
recursive remove directories when finalizing
Stefan Vogel <sv@exept.de>
parents:
10931
diff
changeset
|
158 |
! |
f7543590f82a
recursive remove directories when finalizing
Stefan Vogel <sv@exept.de>
parents:
10931
diff
changeset
|
159 |
|
10931
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
160 |
remove |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
161 |
super remove. |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
162 |
self unregisterForFinalization |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
163 |
! |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
164 |
|
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
165 |
removeDirectory |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
166 |
super removeDirectory. |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
167 |
self unregisterForFinalization |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
168 |
! |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
169 |
|
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
170 |
removeFile |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
171 |
super removeFile. |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
172 |
self unregisterForFinalization |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
173 |
! ! |
54107ed355be
unregister from finalizatioin when deleting explicitly
Stefan Vogel <sv@exept.de>
parents:
10847
diff
changeset
|
174 |
|
10761 | 175 |
!AutoDeletedFilename class methodsFor:'documentation'! |
176 |
||
177 |
version |
|
16550 | 178 |
^ '$Header: /cvs/stx/stx/libbasic/AutoDeletedFilename.st,v 1.12 2014-06-07 15:08:38 cg Exp $' |
10761 | 179 |
! ! |
15247 | 180 |