我有這個問題遷移到Hibernate 5,儘管我們有一個Oracle後端。通過使用org.hibernate.boot.model.naming.ImplicitNamingStrategy
和org.hibernate.boot.model.naming.PhysicalNamingStrategy
,我能夠實現類似的命名策略。
這裏是我的bean定義看起來像我的應用程序上下文:
@Bean
@Primary
public static JpaProperties jpaProperties() {
final Map<String, String> hibernateConfig = newHashMap();
hibernateConfig.put("hibernate.implicit_naming_strategy",
"org.hibernate.boot.model.naming.ImplicitNamingStrategyLegacyHbmImpl");
hibernateConfig.put("hibernate.physical_naming_strategy",
"com.anyapp.CustomNamingStrategy");
final JpaProperties jpaProperties = new JpaProperties();
jpaProperties.setProperties(hibernateConfig);
jpaProperties.setDatabase(ORACLE);
jpaProperties.setDatabasePlatform(ORACLE12C_DIALECT);
jpaProperties.setGenerateDdl(false);
jpaProperties.setShowSql(false);
return jpaProperties;
}
最討厭的部分是找出哪些命名策略,以何種方式申請,事實上,我不得不實施CustomNamingStrategy
上我自己的,因爲Hibernate沒有提供與傳統ImprovedNamingStrategy
的命名相匹配的PhysicalNamingStrategy
。
這裏是我CustomNamingStrategy
內容:
package com.anyapp;
import org.apache.commons.lang.StringUtils;
import org.hibernate.boot.model.naming.Identifier;
import org.hibernate.boot.model.naming.PhysicalNamingStrategy;
import org.hibernate.engine.jdbc.env.spi.JdbcEnvironment;
public class CustomNamingStrategy implements PhysicalNamingStrategy {
@Override
public Identifier toPhysicalCatalogName(Identifier identifier, JdbcEnvironment jdbcEnv) {
return convert(identifier);
}
@Override
public Identifier toPhysicalColumnName(Identifier identifier, JdbcEnvironment jdbcEnv) {
return convert(identifier);
}
@Override
public Identifier toPhysicalSchemaName(Identifier identifier, JdbcEnvironment jdbcEnv) {
return convert(identifier);
}
@Override
public Identifier toPhysicalSequenceName(Identifier identifier, JdbcEnvironment jdbcEnv) {
return convert(identifier);
}
@Override
public Identifier toPhysicalTableName(Identifier identifier, JdbcEnvironment jdbcEnv) {
return convert(identifier);
}
private Identifier convert(Identifier identifier) {
if (identifier == null || StringUtils.isBlank(identifier.getText())) {
return identifier;
}
String regex = "([a-z])([A-Z])";
String replacement = "$1_$2";
String newName = identifier.getText().replaceAll(regex, replacement).toLowerCase();
return Identifier.toIdentifier(newName);
}
}
您可能需要調整正則表達式,以適應您的需求,但是這是對我工作。
我同意了,在我看來,Hibernate並沒有一個符合其原有命名策略的物理命名策略。你能否分享你的com.anyapp.CustomNamingStrategy? –
我已將我的CustomNamingStrategy實現的內容添加到我的答案中 – lax1089