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 // Copyright 2010 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.services;

Used when accessing the private instance variables of a component instance.

Since:
5.2.0
See also:
TransformField.getAccess()
public interface FieldAccess
{
    
Reads the value of the field of the provided instance.

Parameters:
instance object containing field to read
    Object read(Object instance);

    
Updates the value of the field within the instance.

Parameters:
instance object containing field to update
value new value for field
    void write(Object instanceObject value);
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