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 package org.apache.commons.id; 18 19 /** 20 * <code>LongIdentifier</code> defines a simple interface for 21 * Long based identifier generation. 22 * 23 * @author Commons-Id team 24 * @version $Id: LongIdentifierGenerator.java 480488 2006-11-29 08:57:26Z bayard $ 25 */ 26 public interface LongIdentifierGenerator extends IdentifierGenerator { 27 28 /** 29 * Gets the next identifier in the sequence. 30 * 31 * @return the next Long identifier in sequence 32 */ 33 Long nextLongIdentifier(); 34 35 /** 36 * Returns the maximum value of an identifier from this generator. 37 * 38 * @return the maximum identifier value 39 */ 40 long maxValue(); 41 42 /** 43 * Returns the minimum value of an identifier from this generator. 44 * 45 * @return the minimum identifier value 46 */ 47 long minValue(); 48 49 }