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  // Copyright 2004, 2005 The Apache Software Foundation
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //     http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
 package org.apache.tapestry;
 
 import  org.apache.hivemind.ApplicationRuntimeException;

Exception thrown by an org.apache.tapestry.engine.IEngineService when it discovers that the an action link was for an out-of-date version of the page.

The application should redirect to the StaleLink page.

Author(s):
Howard Lewis Ship
 
 
 public class StaleLinkException extends ApplicationRuntimeException
 {
 
     private static final long serialVersionUID = -1266992401198999606L;
 
     private final transient IPage _page;
     private final String _pageName;
     private final String _targetIdPath;
     private final String _targetActionId;
 
     public StaleLinkException()
     {
         super(nullnullnullnull);
         
          = null;
          = null;
          = null;
          = null;
     }

    
Constructor used when the action id is found, but the target id path did not match the actual id path.
 
 
     public StaleLinkException(IComponent componentString targetActionId,
             String targetIdPath)
     {
         super(Tapestry.format("StaleLinkException.action-mismatch",
                 new String[] { targetActionIdcomponent.getIdPath(),
                         targetIdPath }), componentnullnull);
 
          = component.getPage();
          = .getPageName();
 
          = targetActionId;
          = targetIdPath;
     }

    
Constructor used when the target action id is not found.
 
 
     public StaleLinkException(IPage pageString targetActionId,
             String targetIdPath)
     {
         this(Tapestry.format("StaleLinkException.component-mismatch",
                 targetActionIdtargetIdPath), page);
     }
 
     public StaleLinkException(String messageIComponent component)
     {
         super(messagecomponentnullnull);
         
          = null;
          = null;
          = null;
          = null;
     }
 
     public String getPageName()
     {
         return ;
     }

    
Returns the page referenced by the service URL, if known, or null otherwise.
 
 
     public IPage getPage()
    {
        return ;
    }
    public String getTargetActionId()
    {
        return ;
    }
    public String getTargetIdPath()
    {
        return ;
    }
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