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         A model provider serves two purposes. Firstly, it is a means of grouping the resource mappings of a single model together for the purposes of performing operations, display, etc. Also, it provides a means of mapping a set of file system resources to the resource mappings that describe how a model maps to resources.
      
   

   

   
      
         
            
         
      
      
         
            
            
            
         
         
            
               
                  
               
            
         
         
            
               
                  
               
            
         
         
            
               
                  
               
               
                  
               
            
         
      
   

   
      
         
            
               
                  
               
               
                  
               
            
         
      
   

   
      
         
            
               
                  
               
               
                  
               
            
         
      
   

   
      
         
      
      
         The value of the class attribute must represent an implementation of <tt>org.eclipse.core.resources.mapping.ModelProvider</tt>.
      
   

   
      
         
      
      
         3.2
      
   

   
      
         
      
      
         The following is an example of using the modelProvider extension point. 
(in file plugin.xml)
<pre>
   <extension
         id="modelProvider"
         name="Library Model Provider"
         point="org.eclipse.core.resources.modelProviders">
      <modelProvider
            class="org.eclipse.examples.library.LibraryModelProvider"
            name="Library Model Provider"/>
      <extends-model id="org.eclipse.core.resources.modelProvider"/>
      <enablement>
           <with variable="affectedNatures">
             <iterate operator="or">
               <equals value="org.eclipse.team.examples.library.nature"/>
             </iterate>
           </with>
           <with variable="element">
             <instanceof value="org.eclipse.core.resources.IFile"/>
           </with>
       </enablement>
   </extension>
</pre>
      
   

   
      
         
      
      
         The platform itself does not have any predefined 
model providers. Particular product installs may include 
model providers as required.
      
   

   
      
         
      
      
         Copyright (c) 2005, 2010 IBM Corporation and others.<br>
All rights reserved. This program and the accompanying materials are made 
available under the terms of the Eclipse Public License v1.0 which 
accompanies 
this distribution, and is available at 
<a 
href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a>