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Creating an Application Development Framework Using Enterprise Templates, Part 2

  • June 20, 2003
  • By Thiru Thangarathinam
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Associating the policy file with the template projects

As we said earlier, the policy file is the one that provides the core foundation for successfully creating enterprise templates. For the policy file to do its job, we need to identify each of the previously created templates and building blocks as ELEMENT nodes, so that the policy file can link them up together to provide a consistent view for our enterprise template. To accomplish this, we will make the following changes.

  • Add a GLOBALENTRY element in the .etp projects.
  • Add a UserProperties element in the .csproj files.

The following table describes the changes that we need to make.

FileName Changes
CustomDistributedAppTemplate.etp 
<GLOBALS>
  <GLOBALENTRY>
  <NAME>TDLFILE</NAME>
  <VALUE>CustomDistributedApp
         Template.TDL</VALUE>
  </GLOBALENTRY>
  <GLOBALENTRY>
    <NAME>TDLELEMENTTYPE</NAME>
    <VALUE> etpCustomDistributedApp
            Template</VALUE>
  </GLOBALENTRY>
</GLOBALS>
BusinessFacadeProjects.etp 
<GLOBALS>
  <GLOBALENTRY>
    <NAME>TDLFILE</NAME>
    <VALUE>CustomDistributedApp
           Template.TDL</VALUE>
  </GLOBALENTRY>
  <GLOBALENTRY>
    <NAME>TDLELEMENTTYPE</NAME>
    <VALUE> etpBusinessFacade
            Projects</VALUE>
  </GLOBALENTRY>
</GLOBALS>
BusinessRulesProjects.etp 
<GLOBALS>
  <GLOBALENTRY>
    <NAME>TDLFILE</NAME>
    <VALUE>CustomDistributedApp
           Template.TDL
    </VALUE>
  </GLOBALENTRY>
  <GLOBALENTRY>
    <NAME>TDLELEMENTTYPE</NAME>
    <VALUE> etpBusinessRules
            Projects</VALUE>
  </GLOBALENTRY>
</GLOBALS>
DataAccessProjects.etp 
<GLOBALS>
  <GLOBALENTRY>
    <NAME>TDLFILE</NAME>
    <VALUE>CustomDistributedApp
           Template.TDL
    </VALUE>
  </GLOBALENTRY>
  <GLOBALENTRY>
    <NAME>TDLELEMENTTYPE</NAME>
    <VALUE> etpDataAccess
            Projects</VALUE>
  </GLOBALENTRY>
</GLOBALS>
SystemFrameworkProjects.etp 
<GLOBALS>
  <GLOBALENTRY>
    <NAME>TDLFILE</NAME>
    <VALUE>CustomDistributedApp
           Template.TDL</VALUE>
  </GLOBALENTRY>
  <GLOBALENTRY>
    <NAME>TDLELEMENTTYPE</NAME>
    <VALUE> etpSystemFramework
            Projects</VALUE>
  </GLOBALENTRY>
</GLOBALS>
UIProjects.etp 
<GLOBALS>
  <GLOBALENTRY>
    <NAME>TDLFILE</NAME>
    <VALUE>CustomDistributedApp
           Template.TDL</VALUE>
  </GLOBALENTRY>
  <GLOBALENTRY>
    <NAME>TDLELEMENTTYPE</NAME>
    <VALUE> etpUIProjects</VALUE>
  </GLOBALENTRY>
</GLOBALS>
WebServiceProjects.etp 
<GLOBALS>
  <GLOBALENTRY>
    <NAME>TDLFILE</NAME>
    <VALUE>CustomDistributedApp
           Template.TDL</VALUE>
  </GLOBALENTRY>
  <GLOBALENTRY>
    <NAME>TDLELEMENTTYPE</NAME>
    <VALUE> etpWebServiceProjects
    </VALUE>
  </GLOBALENTRY>
</GLOBALS>
SqlDataAccess.csproj 
<UserProperties
  TDLFILE = "CustomDistributedApp
  Template.TDL" TDLELEMENTTYPE =
  "SqlDataAccess"/>
ConfigurationHandler.csproj 
<UserProperties
  TDLFILE =
  "CustomDistributedAppTemplate.TDL"
  TDLELEMENTTYPE =
  "ConfigurationHandler"/>
Encryption.csproj 
<UserProperties
  TDLFILE =
  "CustomDistributedAppTemplate.TDL"
  TDLELEMENTTYPE = "Encryption"/>
ExceptionManagement.csproj 
<UserProperties
  TDLFILE =
  "CustomDistributedAppTemplate.TDL"
  TDLELEMENTTYPE =
  "ExceptionManagement"/>
Utilities.csproj 
<UserProperties
  TDLFILE =
  "CustomDistributedAppTemplate.TDL"
  TDLELEMENTTYPE =
  "Utilities"/>
WebUI.csproj 
<UserProperties
  TDLFILE =
  "CustomDistributedAppTemplate.TDL"
  TDLELEMENTTYPE = "WebUI"/>
WebService.csproj 
<UserProperties
  TDLFILE =
  "CustomDistributedAppTemplate.TDL"
  TDLELEMENTTYPE = "WebService"/>

Any template that is not visible to the user will not be of any value. So, the next step is to make the template available in the New Project dialog box so that it can be found and used by others.





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