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1 | 1 | package io.github.perplexhub.rsql; |
2 | 2 |
|
3 | | -import java.util.Map; |
4 | 3 |
|
| 4 | +import io.github.perplexhub.rsql.RSQLJPAAutoConfiguration.HibernateEntityManagerDatabaseConfiguration; |
5 | 5 | import javax.persistence.EntityManager; |
6 | | - |
| 6 | +import java.util.HashMap; |
| 7 | +import java.util.Map; |
| 8 | +import java.util.Objects; |
| 9 | +import lombok.extern.slf4j.Slf4j; |
| 10 | +import org.hibernate.Session; |
| 11 | +import org.hibernate.SessionFactory; |
| 12 | +import org.hibernate.dialect.DB2Dialect; |
| 13 | +import org.hibernate.dialect.DerbyDialect; |
| 14 | +import org.hibernate.dialect.Dialect; |
| 15 | +import org.hibernate.dialect.H2Dialect; |
| 16 | +import org.hibernate.dialect.HSQLDialect; |
| 17 | +import org.hibernate.dialect.MySQLDialect; |
| 18 | +import org.hibernate.dialect.OracleDialect; |
| 19 | +import org.hibernate.dialect.PostgreSQLDialect; |
| 20 | +import org.hibernate.dialect.SQLServerDialect; |
| 21 | +import org.hibernate.dialect.SybaseDialect; |
| 22 | +import org.hibernate.engine.spi.SessionImplementor; |
| 23 | +import org.hibernate.internal.SessionFactoryImpl; |
| 24 | +import org.springframework.beans.factory.ObjectProvider; |
7 | 25 | import org.springframework.boot.autoconfigure.condition.ConditionalOnClass; |
8 | 26 | import org.springframework.context.annotation.Bean; |
9 | 27 | import org.springframework.context.annotation.Configuration; |
10 | | - |
11 | | -import lombok.extern.slf4j.Slf4j; |
| 28 | +import org.springframework.context.annotation.Import; |
| 29 | +import org.springframework.orm.jpa.vendor.Database; |
| 30 | +import org.springframework.transaction.annotation.Transactional; |
12 | 31 |
|
13 | 32 | @Slf4j |
14 | 33 | @Configuration |
15 | 34 | @ConditionalOnClass(EntityManager.class) |
| 35 | +@Import(HibernateEntityManagerDatabaseConfiguration.class) |
16 | 36 | public class RSQLJPAAutoConfiguration { |
17 | 37 |
|
18 | | - @Bean |
19 | | - public RSQLCommonSupport rsqlCommonSupport(Map<String, EntityManager> entityManagerMap) { |
20 | | - log.info("RSQLJPAAutoConfiguration.rsqlCommonSupport(entityManagerMap:{})", entityManagerMap.size()); |
21 | | - return new RSQLCommonSupport(entityManagerMap); |
22 | | - } |
| 38 | + @Bean |
| 39 | + public RSQLCommonSupport rsqlCommonSupport(Map<String, EntityManager> entityManagerMap, |
| 40 | + ObjectProvider<EntityManagerDatabase> entityManagerDatabaseProvider) { |
| 41 | + log.info("RSQLJPAAutoConfiguration.rsqlCommonSupport(entityManagerMap:{})", entityManagerMap.size()); |
| 42 | + EntityManagerDatabase entityManagerDatabase = entityManagerDatabaseProvider.getIfAvailable(() -> new EntityManagerDatabase(new HashMap())); |
| 43 | + |
| 44 | + return new RSQLJPASupport(entityManagerMap, entityManagerDatabase.value()); |
| 45 | + } |
| 46 | + |
| 47 | + @Configuration |
| 48 | + @ConditionalOnClass(SessionImplementor.class) |
| 49 | + static |
| 50 | + class HibernateEntityManagerDatabaseConfiguration { |
| 51 | + |
| 52 | + @Transactional |
| 53 | + @Bean |
| 54 | + public EntityManagerDatabase entityManagerDatabase(ObjectProvider<EntityManager> entityManagers) { |
| 55 | + Map<EntityManager, Database> value = new HashMap<>(); |
| 56 | + EntityManager entityManager = entityManagers.getIfAvailable(); |
| 57 | + SessionFactory sessionFactory = entityManager.unwrap(Session.class).getSessionFactory(); |
| 58 | + Dialect dialect = ((SessionFactoryImpl) sessionFactory).getJdbcServices().getDialect(); |
| 59 | + |
| 60 | + Database db = toDatabase(dialect); |
| 61 | + if (db != null) { |
| 62 | + value.put(entityManager, db); |
| 63 | + } |
| 64 | + |
| 65 | + return new EntityManagerDatabase(value); |
| 66 | + } |
| 67 | + |
| 68 | + private Database toDatabase(Dialect dialect) { |
| 69 | + if (dialect instanceof PostgreSQLDialect) { |
| 70 | + return Database.POSTGRESQL; |
| 71 | + } else if (dialect instanceof MySQLDialect) { |
| 72 | + return Database.MYSQL; |
| 73 | + } else if (dialect instanceof SQLServerDialect) { |
| 74 | + return Database.SQL_SERVER; |
| 75 | + } else if (dialect instanceof OracleDialect) { |
| 76 | + return Database.ORACLE; |
| 77 | + } else if (dialect instanceof DerbyDialect) { |
| 78 | + return Database.DERBY; |
| 79 | + } else if (dialect instanceof DB2Dialect) { |
| 80 | + return Database.DB2; |
| 81 | + } else if (dialect instanceof H2Dialect) { |
| 82 | + return Database.H2; |
| 83 | + } else if (dialect instanceof HSQLDialect) { |
| 84 | + return Database.HSQL; |
| 85 | + } else if (dialect instanceof SybaseDialect) { |
| 86 | + return Database.SQL_SERVER; |
| 87 | + } |
| 88 | + |
| 89 | + return null; |
| 90 | + } |
| 91 | + } |
| 92 | + |
| 93 | + public static final class EntityManagerDatabase { |
| 94 | + private final Map<EntityManager, Database> value; |
| 95 | + |
| 96 | + public EntityManagerDatabase(Map<EntityManager, Database> value) { |
| 97 | + this.value = value; |
| 98 | + } |
| 99 | + |
| 100 | + public Map<EntityManager, Database> value() { |
| 101 | + return value; |
| 102 | + } |
| 103 | + |
| 104 | + @Override |
| 105 | + public boolean equals(Object obj) { |
| 106 | + if (this == obj) return true; |
| 107 | + if (obj == null || getClass() != obj.getClass()) return false; |
| 108 | + EntityManagerDatabase that = (EntityManagerDatabase) obj; |
| 109 | + return Objects.equals(value, that.value); |
| 110 | + } |
| 111 | + |
| 112 | + @Override |
| 113 | + public int hashCode() { |
| 114 | + return Objects.hash(value); |
| 115 | + } |
23 | 116 |
|
| 117 | + @Override |
| 118 | + public String toString() { |
| 119 | + return "EntityManagerDatabase[value=" + value + "]"; |
| 120 | + } |
| 121 | + } |
24 | 122 | } |
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