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.shardingsphere.shadow.api.shadow; 19 20 import java.util.Optional; 21 22 /** 23 * Operation types supported by shadow. 24 */ 25 public enum ShadowOperationType { 26 27 /** 28 * The shadow operation is insert. 29 */ 30 INSERT, 31 32 /** 33 * The shadow operation is delete. 34 */ 35 DELETE, 36 37 /** 38 * The shadow operation is update. 39 */ 40 UPDATE, 41 42 /** 43 * The shadow operation is select. 44 */ 45 SELECT, 46 47 /** 48 * The shadow operation is SQL hint match. 49 */ 50 HINT_MATCH; 51 52 /** 53 * Contains operation type. 54 * 55 * @param operationType operation type 56 * @return shadow operation type 57 */ 58 public static Optional<ShadowOperationType> contains(final String operationType) { 59 if (ShadowOperationType.INSERT.name().equalsIgnoreCase(operationType)) { 60 return Optional.of(ShadowOperationType.INSERT); 61 } 62 if (ShadowOperationType.DELETE.name().equalsIgnoreCase(operationType)) { 63 return Optional.of(ShadowOperationType.DELETE); 64 } 65 if (ShadowOperationType.UPDATE.name().equalsIgnoreCase(operationType)) { 66 return Optional.of(ShadowOperationType.UPDATE); 67 } 68 if (ShadowOperationType.SELECT.name().equalsIgnoreCase(operationType)) { 69 return Optional.of(ShadowOperationType.SELECT); 70 } 71 return Optional.empty(); 72 } 73 }