1 /* 2 * Copyright 2006-2023 the original author or authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * https://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package org.mybatis.generator.internal.rules; 17 18 import org.mybatis.generator.api.IntrospectedTable; 19 20 /** 21 * This class encapsulates all the code generation rules for a table using the 22 * hierarchical model. 23 * 24 * @author Jeff Butler 25 */ 26 public class HierarchicalModelRules extends BaseRules { 27 28 /** 29 * Instantiates a new hierarchical model rules. 30 * 31 * @param introspectedTable 32 * the introspected table 33 */ 34 public HierarchicalModelRules(IntrospectedTable introspectedTable) { 35 super(introspectedTable); 36 } 37 38 /** 39 * Implements the rule for determining whether to generate a primary key 40 * class. If the physical table has a primary key, then we generate the 41 * class. 42 * 43 * @return true if the primary key should be generated 44 */ 45 @Override 46 public boolean generatePrimaryKeyClass() { 47 return introspectedTable.hasPrimaryKeyColumns(); 48 } 49 50 /** 51 * Implements the rule for generating a base record. If the table has fields 52 * that are not in the primary key, and non-BLOB fields, then generate the 53 * class. 54 * 55 * @return true if the class should be generated 56 */ 57 @Override 58 public boolean generateBaseRecordClass() { 59 return introspectedTable.hasBaseColumns(); 60 } 61 62 /** 63 * Implements the rule for generating a record with BLOBs. A record with 64 * BLOBs is generated if the table contains any BLOB fields. 65 * 66 * @return true if the record with BLOBs class should be generated 67 */ 68 @Override 69 public boolean generateRecordWithBLOBsClass() { 70 return introspectedTable.hasBLOBColumns(); 71 } 72 }