Coverage Report - org.apache.tapestry.services.EngineManager
 
Classes in this File Line Coverage Branch Coverage Complexity
EngineManager
N/A
N/A
1
 
 1  
 // Copyright 2004, 2005 The Apache Software Foundation
 2  
 //
 3  
 // Licensed under the Apache License, Version 2.0 (the "License");
 4  
 // you may not use this file except in compliance with the License.
 5  
 // You may obtain a copy of the License at
 6  
 //
 7  
 //     http://www.apache.org/licenses/LICENSE-2.0
 8  
 //
 9  
 // Unless required by applicable law or agreed to in writing, software
 10  
 // distributed under the License is distributed on an "AS IS" BASIS,
 11  
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 12  
 // See the License for the specific language governing permissions and
 13  
 // limitations under the License.
 14  
 
 15  
 package org.apache.tapestry.services;
 16  
 
 17  
 import org.apache.tapestry.IEngine;
 18  
 
 19  
 /**
 20  
  * Service responsible for obtaining instances of
 21  
  * {@link org.apache.tapestry.IEngine} to service the current request. An engine
 22  
  * service may be retrieved from a pool, or extracted from the HttpSession.
 23  
  * After the request is processed, the engine is re-stored into the HttpSession
 24  
  * (if stateful) or back into the pool (if not stateful).
 25  
  * 
 26  
  * @author Howard Lewis Ship
 27  
  * @since 4.0
 28  
  */
 29  
 public interface EngineManager
 30  
 {
 31  
 
 32  
     /**
 33  
      * Locates or creates an engine instance for the current request.
 34  
      */
 35  
     IEngine getEngineInstance();
 36  
 
 37  
     /**
 38  
      * Store the engine back at the end of the current request.
 39  
      */
 40  
 
 41  
     void storeEngineInstance(IEngine engine);
 42  
 }