1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to you under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package org.apache.shale.tiger.managed.config; 19 20 /*** 21 * <p>Marker interface for a configuration bean that supports a 22 * <code>nullValue</code> property.</p> 23 */ 24 public interface NullValueHolder { 25 26 /*** 27 * <p>Return the null value flag for this instance.</p> 28 */ 29 public boolean isNullValue(); 30 31 /*** 32 * <p>Set the null value flag for this instance.</p> 33 * 34 * @param nullValue The new null value flag 35 */ 36 public void setNullValue(boolean nullValue); 37 38 }