| /* |
| * 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 org.apache.hyracks.storage.am.lsm.common.api; |
| |
| /** |
| * Stores the id of the disk component, which is a interval (minId, maxId). |
| * It is generated by {@link ILSMComponentIdGenerator} |
| * |
| */ |
| public interface ILSMComponentId { |
| public enum IdCompareResult { |
| UNKNOWN, |
| LESS_THAN, |
| GREATER_THAN, |
| INTERSECT, |
| INCLUDE |
| } |
| |
| /** |
| * @return whether the id is missing |
| */ |
| boolean missing(); |
| |
| IdCompareResult compareTo(ILSMComponentId id); |
| |
| /** |
| * @return the min Id |
| */ |
| long getMinId(); |
| |
| /** |
| * @return the max Id |
| */ |
| long getMaxId(); |
| } |