001/* 002 * Copyright 2012-2017 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.boot.orm.jpa.hibernate; 018 019import org.hibernate.boot.model.naming.Identifier; 020import org.hibernate.boot.model.naming.ImplicitJoinTableNameSource; 021import org.hibernate.boot.model.naming.ImplicitNamingStrategy; 022import org.hibernate.boot.model.naming.ImplicitNamingStrategyJpaCompliantImpl; 023 024/** 025 * Hibernate {@link ImplicitNamingStrategy} that follows Spring recommended naming 026 * conventions. Naming conventions implemented here are identical to 027 * {@link ImplicitNamingStrategyJpaCompliantImpl} with the exception that join table names 028 * are of the form 029 * <code>{owning_physical_table_name}_{association_owning_property_name}</code>. 030 * 031 * @author Andy Wilkinson 032 * @since 1.4.0 033 */ 034public class SpringImplicitNamingStrategy extends ImplicitNamingStrategyJpaCompliantImpl { 035 036 @Override 037 public Identifier determineJoinTableName(ImplicitJoinTableNameSource source) { 038 String name = source.getOwningPhysicalTableName() + "_" 039 + source.getAssociationOwningAttributePath().getProperty(); 040 return toIdentifier(name, source.getBuildingContext()); 041 } 042 043}