http://wiki.apidesign.org/index.php?action=history&feed=atom&title=Talk%3ASingleton 2026-05-06T20:41:34Z Revision history for this page on the wiki MediaWiki 1.12.0rc1 http://wiki.apidesign.org/index.php?title=Talk:Singleton&diff=6336&oldid=prev 2012-12-07T16:01:26Z

<p>Comment provided by Johannes W. - via ArticleComments extension</p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr> <td colspan='2' style="background-color: white; color:black;">←Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 16:01, 7 December 2012</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Do you feel about [[singleton]]s differently now?</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Do you feel about [[singleton]]s differently now?</div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">== Johannes W. said ... ==</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">&lt;div class='commentBlock'&gt;</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">Even though I prefer the DI style, I don't think DI is an option for an API (unless the API is some sort of runtime container).</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">An API is usually called by the user, while the DI framework calls the user classes.</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">Turning it the other way around and enforcing your DI impl on the user hurts in many ways.</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">Also using an injectable singleton the code stays slightly cleaner, since you can keep it's reference in any scope, while DI always makes everything a member variable (unless you perform work in a setter or constructor, which is against convention or complicates testing).</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">--Johannes W. 17:01, 7 December 2012 (CET)</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">&lt;/div&gt;</ins></div></td></tr> </table>

92.224.244.230 http://wiki.apidesign.org/index.php?title=Talk:Singleton&diff=3405&oldid=prev 2010-01-25T05:54:30Z

<p>New page: Do you feel about <a href="/wiki/Singleton" title="Singleton">singletons</a> differently now?</p> <p><b>New page</b></p><div>Do you feel about [[singleton]]s differently now?</div>

JaroslavTulach