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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">… Sorry – it helps if one clicks “paste” instead of “send”
</span><span style="font-size:11.0pt;font-family:Wingdings;color:#1F497D">J</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I completed my email below.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Guy<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> mondrian-bounces@pentaho.org [mailto:mondrian-bounces@pentaho.org]
<b>On Behalf Of </b>van der Werf, Guy<br>
<b>Sent:</b> Mittwoch, 6. Juli 2011 10:01<br>
<b>To:</b> Mondrian developer mailing list<br>
<b>Subject:</b> Re: [Mondrian] Dynamic roles<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi Gretchen,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Important lines are:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">*************<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">public class WirecardMdxConnection extends MDXConnection<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:.5in"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">protected void init(PropertyList properties) {<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in;text-indent:.5in"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">super.init(properties);<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:1.0in;text-indent:.5in"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">this.session = PentahoSessionHolder.getSession();<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:1.5in"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Authentication auth = SecurityHelper.getAuthentication(this.session, false);<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:1.0in;text-indent:.5in"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">GrantedAuthority[] platformRoles = auth.getAuthorities();<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:1.0in;text-indent:.5in"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Connection connection = this.getConnection();<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:1.0in;text-indent:.5in"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Role wr = new WirecardRole(connection.getSchema(), this.datasourceService, this.session);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> connection.setRole(wr);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> setRole(wr);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">public class WirecardRole extends RoleImpl {<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> public WirecardRole(Schema schema, IDatasourceService datasourceService, IPentahoSession session) {<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> super();<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> Cube[] cubes = schema.getCubes();<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> Dimension[] dimensions = cube.getDimensions();<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> Hierarchy[] hierarchies = dimension.getHierarchies();<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> Level[] levels = hierarchy.getLevels();<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">*************<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">The last 4 lines above check each cube, dim, hierarchy and level-members for authorization based on (cached) metadata from a DB.
</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I make appropriate</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> calls to</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"></span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">grant(<</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">cube|dim|hierarchy|level-members></span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">,
Access.NONE) OR grant(<</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">cube|dim|hierarchy|level-members></span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">, Access.ALL)</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Only the constructor is overridden. I do not clone existing roles, and mine are mutable. I’m happy with all business logic.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Only 1 statement gives me concern as to whether the implementation is correct: grant(hierarchy, Access.NONE, null, null, null); Confirm that too if you can
please.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Your time on this is appreciated.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Guy<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> mondrian-bounces@pentaho.org [mailto:mondrian-bounces@pentaho.org]
<b>On Behalf Of </b>Gretchen Moran<br>
<b>Sent:</b> Dienstag, 5. Juli 2011 19:51<br>
<b>To:</b> Mondrian developer mailing list<br>
<b>Subject:</b> Re: [Mondrian] Dynamic roles<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi Guy,
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Can you give any details on exactly what functionality in the role you are changing/extending (method overrides specifically)? We have implemented several versions
of dynamic roles (specifically generating the grants/denies) with no caching issues, but the implementation has many nuances we’ve learned over time. We have descended both RoleImpl and the DelegatingRole with success.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:9.5pt;font-family:"Arial","sans-serif";color:black">Gretchen Moran</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> mondrian-bounces@pentaho.org [mailto:mondrian-bounces@pentaho.org]
<b>On Behalf Of </b>van der Werf, Guy<br>
<b>Sent:</b> Tuesday, July 05, 2011 10:47 AM<br>
<b>To:</b> Mondrian developer mailing list<br>
<b>Subject:</b> Re: [Mondrian] Dynamic roles<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi Brian,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks for that. If I wanted to just assign a different role *<b>name</b>* (as in ceo, dev etc) then this would be a possibility, but I’m creating a customized
Mondrian role (class) which extends “RoleImpl”. I reference metadata in a DB based on user, schema and cube, and grant/revoke access to cubes, dims, hierarchies and members as required. Works, but caching is stuffed.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Guy<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> mondrian-bounces@pentaho.org [mailto:mondrian-bounces@pentaho.org]
<b>On Behalf Of </b>Brian Hagan<br>
<b>Sent:</b> Dienstag, 5. Juli 2011 15:57<br>
<b>To:</b> Mondrian developer mailing list<br>
<b>Subject:</b> Re: [Mondrian] Dynamic roles<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Guy,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Instead of extending MDXConnection, you may want to consider using the MondrianUserSessionUserRoleListMapper (pentahoObjects.spring.xml) , which allows you
to change the role of an authenticated user based upon a session variable. This technique does not require you to dynamically modify the schema. However, the role, which are you assigning to the user, must be defined in the schema. The trick is then getting
the variable in the session.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Brian<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> mondrian-bounces@pentaho.org [mailto:mondrian-bounces@pentaho.org]
<b>On Behalf Of </b>van der Werf, Guy<br>
<b>Sent:</b> Tuesday, July 05, 2011 9:31 AM<br>
<b>To:</b> Mondrian developer mailing list<br>
<b>Subject:</b> [Mondrian] Dynamic roles<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi all,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">With reference to Jira BISERVER-4992, I would like ask a question regarding caching in Mondrian.</span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Using Pentaho 3.8, I’ve extended “MDXConnection” to allow setting a custom role (extends RoleImpl) that is configured depending on reference metadata held in
an existing authorization data source. This works as planned, but caching is a problem, and I wondering if anyone could shed some light on possible caching strategies. I should add that I do not use a dynamic schema processor in this solution.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I have 1 solution so far. I switch schema cache off in the catalog, and set “UseSchemaPool=false” in “DataSourceInfo” in “datasources.xml”. To ensure the same
cache behavior (i.e. effectively none) in schemas not in “datasources.xml”, I could set this in the connection properties too (but that’s not done yet). The result is: I have no useful caching and performance in dashboards is noticeably pathetic.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">So… does anyone have experience in Mondrian caching when dynamically changing the role, but not the schema xml?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Guy<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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