AliasToBeanConstructorResultTransformer Improvement

Jonathon Gottschalk <[email protected]> Wed, 3 Sep 2008 18:46:54 -0400
Newsgroups gmane.comp.windows.dotnet.nhibernate.devel
Message-ID <[email protected]> 
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Hello=2C I am posting this message here at Fabio's request.  I made an impr=
oved version of one of the NH classes utilizing IL code and he wanted feedb=
ack from the other developers and contributers on the matter.  You can see =
my original JIRA post at the following URL:
=20
http://jira.nhibernate.org/browse/NH-1433
=20
Basically=2C I modified the class to remove the slow reflection call with a=
 direct IL code call=2C which resulted in a marked performance increase whe=
n utilizing the new keyword.  HQL queries that utilize the new keyword (or =
any operation that causes an instance of the AliasToBeanConstructorResultTr=
ansformer) would be affected by this patch.  I inserted proper security che=
cks to make sure the IL code method can actually be used in situations wher=
e the current security context might not allow it (such as Medium Trust)=2C=
 and if the security context does not allow it simply revert to the standar=
d reflection-based method that it currently uses.
=20
I am more than happy to answer any questions regarding this patch.  Thanks.
_________________________________________________________________
See how Windows connects the people=2C information=2C and fun that are part=
 of your life.
http://clk.atdmt.com/MRT/go/msnnkwxp1020093175mrt/direct/01/=

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<body class=3D'hmmessage'>Hello=2C I am posting this message here at Fabio'=
s request.&nbsp=3B I made an improved version of one of the NH classes util=
izing IL code and he wanted feedback from the other developers and contribu=
ters on the matter.&nbsp=3B You can see my original JIRA post at the follow=
ing URL:<BR>
&nbsp=3B<BR>
<A href=3D"http://jira.nhibernate.org/browse/NH-1433">http://jira.nhibernat=
e.org/browse/NH-1433</A><BR>
&nbsp=3B<BR>
Basically=2C I modified the class to remove the slow reflection call with a=
 direct IL code call=2C which resulted in a marked performance increase whe=
n utilizing the new keyword.&nbsp=3B HQL queries that utilize the new keywo=
rd (or any operation that causes an instance of the AliasToBeanConstructorR=
esultTransformer) would be affected by this patch.&nbsp=3B I inserted prope=
r security checks to make sure the IL code method can actually be used in s=
ituations where the current security context might not allow it (such as Me=
dium Trust)=2C and if the security context does not allow it simply revert =
to the standard reflection-based method that&nbsp=3Bit currently uses.<BR>
&nbsp=3B<BR>
I am more than happy to answer any questions regarding this patch.&nbsp=3B =
Thanks.<BR><br /><hr />See how Windows connects the people=2C information=
=2C and fun that are part of your life. <a href=3D'http://clk.atdmt.com/MRT=
/go/msnnkwxp1020093175mrt/direct/01/' target=3D'_new'>See Now</a></body>
</html>=

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