001    // Copyright 2010 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    // http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry5.ioc.services;
016    
017    
018    /**
019     * Used as a replacement for a field.
020     * 
021     * @since 5.2.0
022     */
023    public interface FieldValueConduit
024    {
025    
026        /**
027         * Reads the current value of the field.
028         * 
029         * @return current value (possibly null)
030         */
031        Object get();
032    
033        /**
034         * Sets the value of the field
035         * 
036         * @param newValue
037         *            to be captured
038         */
039        void set(Object newValue);
040    
041    }