//  Copyright 2008, 2009 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.tapestry5.internal.bindings;

 import org.apache.tapestry5.ioc.Location;

 /**

  * Extends {@link org.apache.tapestry5.internal.bindings.AbstractBinding} with a description and a binding type, with

  * invariant forced to true.

  */

 public abstract class InvariantBinding extends AbstractBinding

 {

     private final Class bindingType;

     protected final String description;

     public InvariantBinding(Location location, Class bindingType, String description)

     {

         super(location);

         this.bindingType = bindingType;

         this.description = description;

     }

     /**

      * Returns true.

      */

     @Override

     public boolean isInvariant()

     {

         return true;

     }

     @Override

     public Class getBindingType()

     {

         return bindingType;

     }

     @Override

     public String toString()

     {

         return String.format("InvariantBinding[%s]", description);

     }

 }