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    1   // Copyright 2007 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.tapestry5;
   16   
   17   import org.apache.tapestry5.ioc.AnnotationProvider;
   18   
   19   /**
   20    * Used to read or update the value associated with a property. A PropertyConduit provides access to the annotations on
   21    * the underlying getter and/or setter methods.
   22    */
   23   public interface PropertyConduit extends AnnotationProvider
   24   {
   25       /**
   26        * Reads the property from the instance.
   27        *
   28        * @param instance object containing the property
   29        * @return the current value of the property
   30        */
   31       Object get(Object instance);
   32   
   33       /**
   34        * Changes the current value of the property.
   35        *
   36        * @param instance object containing the property
   37        * @param value    to change the property to
   38        */
   39       void set(Object instance, Object value);
   40   
   41       /**
   42        * Returns the type of the property read or updated by the conduit.
   43        */
   44       Class getPropertyType();
   45   }

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