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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2014, Red Hat, Inc. and/or its affiliates or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat, Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.cfg.naming;
import org.hibernate.AssertionFailure;
import org.hibernate.internal.util.StringHelper;
/**
* @author Gail Badner
*/
public class JpaNamingStrategyDelegate extends NamingStrategyDelegateAdapter {
@Override
public String determineImplicitPrimaryTableName(String entityName, String jpaEntityName) {
return StringHelper.unqualify( determineEntityNameToUse( entityName, jpaEntityName ) );
}
@Override
public String determineImplicitElementCollectionTableName(
String ownerEntityName,
String ownerJpaEntityName,
String ownerEntityTable,
String propertyPath) {
// JPA states we should use the following as default:
// "The concatenation of the name of the containing entity and the name of the
// collection attribute, separated by an underscore.
// aka:
// if owning entity has a JPA entity name: {OWNER JPA ENTITY NAME}_{COLLECTION ATTRIBUTE NAME}
// otherwise: {OWNER ENTITY NAME}_{COLLECTION ATTRIBUTE NAME}
return determineEntityNameToUse( ownerEntityName, ownerJpaEntityName )
+ '_'
+ StringHelper.unqualify( propertyPath );
}
@Override
public String determineImplicitElementCollectionJoinColumnName(
String ownerEntityName, String ownerJpaEntityName, String ownerEntityTable, String referencedColumnName, String propertyPath) {
// JPA states we should use the following as default:
// "The concatenation of the following: the name of the entity; "_"; the name of the
// referenced primary key column"
return determineEntityNameToUse( ownerEntityName, ownerJpaEntityName )
+ '_'
+ referencedColumnName;
}
@Override
public String determineImplicitEntityAssociationJoinTableName(
String ownerEntityName,
String ownerJpaEntityName,
String ownerEntityTable,
String associatedEntityName,
String associatedJpaEntityName,
String associatedEntityTable,
String propertyPath) {
// JPA states we should use the following as default:
// "The concatenated names of the two associated primary entity tables (owning side
// first), separated by an underscore."
// aka:
// {OWNING SIDE PRIMARY TABLE NAME}_{NON-OWNING SIDE PRIMARY TABLE NAME}
return ownerEntityTable
+ '_'
+ associatedEntityTable;
}
@Override
public String determineImplicitEntityAssociationJoinColumnName(
String propertyEntityName, String propertyJpaEntityName, String propertyTableName, String referencedColumnName, String referencingPropertyName) {
// JPA states we should use the following as default:
// "The concatenation of the following: the name of the referencing relationship
// property or field of the referencing entity or embeddable class; "_"; the name
// of the referenced primary key column. If there is no such referencing relationship
// property or field in the entity, or if the join is for an element collection, the
// join column name is formed as the concatenation of the following: the name of the
// entity; "_"; the name of the referenced primary key column
// The part referring to an entity collection can be disregarded here since, determination of
// an element collection foreign key column name is covered by #entityAssociationJoinTableName().
//
// For a unidirectional association:
// {PROPERTY_ENTITY_NAME}_{REFERENCED_COLUMN_NAME}
// For a bidirectional association:
// {REFERENCING_PROPERTY_NAME}_{REFERENCED_COLUMN_NAME}
final String header;
if ( referencingPropertyName == null ) {
// This is a unidirectional association.
header = determineEntityNameToUse( propertyEntityName, propertyJpaEntityName );
}
else {
// This is a bidirectional association.
header = StringHelper.unqualify( referencingPropertyName );
}
if ( header == null ) {
throw new AssertionFailure( "propertyJpaEntityName and referencingPropertyName cannot both be empty." );
}
return toPhysicalColumnName( header + "_" + referencedColumnName );
}
@Override
public String determineLogicalElementCollectionTableName(
String tableName,
String ownerEntityName,
String ownerJpaEntityName,
String ownerEntityTable,
String propertyName) {
if ( tableName != null ) {
return tableName;
}
else {
return determineImplicitElementCollectionTableName(
ownerEntityName,
ownerJpaEntityName,
ownerEntityTable,
propertyName
);
}
}
@Override
public String determineLogicalEntityAssociationJoinTableName(
String tableName,
String ownerEntityName,
String ownerJpaEntityName,
String ownerEntityTable,
String associatedEntityName,
String associatedJpaEntityName,
String associatedEntityTable,
String propertyName) {
if ( tableName != null ) {
return tableName;
}
else {
return determineImplicitEntityAssociationJoinTableName(
ownerEntityName,
ownerJpaEntityName,
ownerEntityTable,
associatedEntityName,
associatedJpaEntityName,
associatedEntityTable,
propertyName
);
}
}
private String determineEntityNameToUse(String entityName, String jpaEntityName) {
if ( StringHelper.isNotEmpty( jpaEntityName ) ) {
// prefer the JPA entity name, if specified...
return jpaEntityName;
}
else {
// otherwise, use the Hibernate entity name
return StringHelper.unqualifyEntityName( entityName );
}
}
}
