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Basic support for queries against Postgres jsonb type.
Closes: #114
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98 changes: 89 additions & 9 deletions
98
...spring-boot-starter/src/main/java/io/github/perplexhub/rsql/RSQLJPAAutoConfiguration.java
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Original file line number | Diff line number | Diff line change |
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@@ -1,24 +1,104 @@ | ||
package io.github.perplexhub.rsql; | ||
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import java.util.Map; | ||
import static java.util.stream.Collectors.collectingAndThen; | ||
import static java.util.stream.Collectors.toMap; | ||
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import io.github.perplexhub.rsql.RSQLJPAAutoConfiguration.HibernateEntityManagerDatabaseConfiguration; | ||
import jakarta.persistence.EntityManager; | ||
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import java.util.IdentityHashMap; | ||
import java.util.Map; | ||
import java.util.Map.Entry; | ||
import java.util.Objects; | ||
import java.util.Optional; | ||
import lombok.extern.slf4j.Slf4j; | ||
import org.hibernate.Session; | ||
import org.hibernate.dialect.AbstractHANADialect; | ||
import org.hibernate.dialect.CockroachDialect; | ||
import org.hibernate.dialect.DB2Dialect; | ||
import org.hibernate.dialect.DerbyDialect; | ||
import org.hibernate.dialect.Dialect; | ||
import org.hibernate.dialect.H2Dialect; | ||
import org.hibernate.dialect.HSQLDialect; | ||
import org.hibernate.dialect.MySQLDialect; | ||
import org.hibernate.dialect.OracleDialect; | ||
import org.hibernate.dialect.PostgreSQLDialect; | ||
import org.hibernate.dialect.SQLServerDialect; | ||
import org.hibernate.dialect.SybaseDialect; | ||
import org.hibernate.engine.spi.SessionImplementor; | ||
import org.hibernate.internal.SessionFactoryImpl; | ||
import org.springframework.beans.factory.ObjectProvider; | ||
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass; | ||
import org.springframework.context.annotation.Bean; | ||
import org.springframework.context.annotation.Configuration; | ||
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import lombok.extern.slf4j.Slf4j; | ||
import org.springframework.context.annotation.Import; | ||
import org.springframework.orm.jpa.vendor.Database; | ||
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@Slf4j | ||
@Configuration | ||
@ConditionalOnClass(EntityManager.class) | ||
@Import(HibernateEntityManagerDatabaseConfiguration.class) | ||
public class RSQLJPAAutoConfiguration { | ||
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@Bean | ||
public RSQLCommonSupport rsqlCommonSupport(Map<String, EntityManager> entityManagerMap) { | ||
log.info("RSQLJPAAutoConfiguration.rsqlCommonSupport(entityManagerMap:{})", entityManagerMap.size()); | ||
return new RSQLCommonSupport(entityManagerMap); | ||
} | ||
@Bean | ||
public RSQLCommonSupport rsqlCommonSupport(Map<String, EntityManager> entityManagerMap, | ||
ObjectProvider<EntityManagerDatabase> entityManagerDatabaseProvider) { | ||
log.info("RSQLJPAAutoConfiguration.rsqlCommonSupport(entityManagerMap:{})", entityManagerMap.size()); | ||
var entityManagerDatabase = entityManagerDatabaseProvider.getIfAvailable(() -> new EntityManagerDatabase(Map.of())); | ||
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return new RSQLJPASupport(entityManagerMap, entityManagerDatabase.value()); | ||
} | ||
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@Configuration | ||
@ConditionalOnClass(SessionImplementor.class) | ||
static | ||
class HibernateEntityManagerDatabaseConfiguration { | ||
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@Bean | ||
public EntityManagerDatabase entityManagerDatabase(ObjectProvider<EntityManager> entityManagers) { | ||
return entityManagers.stream() | ||
.map(entityManager -> { | ||
var sessionFactory = entityManager.unwrap(Session.class).getSessionFactory(); | ||
var dialect = ((SessionFactoryImpl) sessionFactory).getJdbcServices().getDialect(); | ||
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return Optional.ofNullable(toDatabase(dialect)) | ||
.map(db -> Map.entry(entityManager, db)) | ||
.orElse(null); | ||
}) | ||
.filter(Objects::nonNull) | ||
.collect(collectingAndThen( | ||
toMap(Entry::getKey, Entry::getValue, (db1, db2) -> db1, IdentityHashMap::new), | ||
EntityManagerDatabase::new | ||
)); | ||
} | ||
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private Database toDatabase(Dialect dialect) { | ||
if (dialect instanceof PostgreSQLDialect || dialect instanceof CockroachDialect) { | ||
return Database.POSTGRESQL; | ||
} else if (dialect instanceof MySQLDialect) { | ||
return Database.MYSQL; | ||
} else if (dialect instanceof SQLServerDialect) { | ||
return Database.SQL_SERVER; | ||
} else if (dialect instanceof OracleDialect) { | ||
return Database.ORACLE; | ||
} else if (dialect instanceof DerbyDialect) { | ||
return Database.DERBY; | ||
} else if (dialect instanceof DB2Dialect) { | ||
return Database.DB2; | ||
} else if (dialect instanceof H2Dialect) { | ||
return Database.H2; | ||
} else if (dialect instanceof AbstractHANADialect) { | ||
return Database.HANA; | ||
} else if (dialect instanceof HSQLDialect) { | ||
return Database.HSQL; | ||
} else if (dialect instanceof SybaseDialect) { | ||
return Database.SQL_SERVER; | ||
} | ||
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return null; | ||
} | ||
} | ||
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record EntityManagerDatabase(Map<EntityManager, Database> value) { | ||
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} | ||
} |
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