WriteProtectable.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 freemarker.template.utility;

/**
 * Implemented by objects that can be made <em>permanently</em> read-only. This usually meant to freeze the
 * configuration JavaBean properties, so that the object can be safely shared among independently developed components.
 * 
 * @since 2.3.21
 */
public interface WriteProtectable {

    /**
     * Makes this object permanently read-only.
     */
    void writeProtect();
    
    boolean isWriteProtected();
    
}