001    /*
002     *  Copyright 2001-2013 Stephen Colebourne
003     *
004     *  Licensed under the Apache License, Version 2.0 (the "License");
005     *  you may not use this file except in compliance with the License.
006     *  You may obtain a copy of the License at
007     *
008     *      http://www.apache.org/licenses/LICENSE-2.0
009     *
010     *  Unless required by applicable law or agreed to in writing, software
011     *  distributed under the License is distributed on an "AS IS" BASIS,
012     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     *  See the License for the specific language governing permissions and
014     *  limitations under the License.
015     */
016    package org.joda.beans;
017    
018    /**
019     * A dynamic bean that allows properties to be added and removed.
020     * <p>
021     * A JavaBean is defined at compile-time and cannot have additional properties added.
022     * Instances of this interface allow additional properties to be added and removed
023     * probably by wrapping a map
024     * 
025     * @author Stephen Colebourne
026     */
027    public interface DynamicBean extends Bean {
028    
029        /**
030         * Adds a property to those allowed to be stored in the bean.
031         * <p>
032         * Some implementations will automatically add properties, in which case this
033         * method will have no effect.
034         * 
035         * @param propertyName  the property name to check, not empty, not null
036         * @param propertyType  the property type, not null
037         */
038        void propertyDefine(String propertyName, Class<?> propertyType);
039    
040        /**
041         * Removes a property by name.
042         * 
043         * @param propertyName  the property name to remove, null ignored
044         */
045        void propertyRemove(String propertyName);
046    
047    }