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OpenJpaDialect passes custom isolation level on to OpenJPA's JDBCFetchPlan configuration

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Issue: SPR-12319
This commit is contained in:
Juergen Hoeller
2014-10-16 17:24:58 +02:00
parent 8cce404696
commit bd5383e4f9
1 changed files with 21 additions and 5 deletions
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26
spring-orm/src/main/java/org/springframework/orm/jpa/vendor/OpenJpaDialect.java vendored
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@@ -22,8 +22,11 @@ import javax.persistence.EntityManager;
import javax.persistence.PersistenceException;
import org.apache.commons.logging.LogFactory;
import org.apache.openjpa.persistence.FetchPlan;
import org.apache.openjpa.persistence.OpenJPAEntityManager;
import org.apache.openjpa.persistence.OpenJPAPersistence;
import org.apache.openjpa.persistence.jdbc.IsolationLevel;
import org.apache.openjpa.persistence.jdbc.JDBCFetchPlan;
import org.springframework.jdbc.datasource.ConnectionHandle;
import org.springframework.jdbc.datasource.ConnectionHolder;
@@ -37,8 +40,8 @@ import org.springframework.transaction.TransactionException;
* {@link org.springframework.orm.jpa.JpaDialect} implementation for Apache OpenJPA.
* Developed and tested against OpenJPA 2.2.
*
* @author Costin Leau
* @author Juergen Hoeller
* @author Costin Leau
* @since 2.0
*/
@SuppressWarnings("serial")
@@ -48,14 +51,27 @@ public class OpenJpaDialect extends DefaultJpaDialect {
public Object beginTransaction(EntityManager entityManager, TransactionDefinition definition)
throws PersistenceException, SQLException, TransactionException {
super.beginTransaction(entityManager, definition);
OpenJPAEntityManager em = getOpenJPAEntityManager(entityManager);
OpenJPAEntityManager openJpaEntityManager = getOpenJPAEntityManager(entityManager);
if (definition.getIsolationLevel() != TransactionDefinition.ISOLATION_DEFAULT) {
// Pass custom isolation level on to OpenJPA's JDBCFetchPlan configuration
FetchPlan fetchPlan = openJpaEntityManager.getFetchPlan();
if (fetchPlan instanceof JDBCFetchPlan) {
IsolationLevel isolation = IsolationLevel.fromConnectionConstant(definition.getIsolationLevel());
((JDBCFetchPlan) fetchPlan).setIsolation(isolation);
}
}
entityManager.getTransaction().begin();
if (!definition.isReadOnly()) {
// Like with EclipseLink, make sure to start the logic transaction early so that other
// participants using the connection (such as JdbcTemplate) run in a transaction.
em.beginStore();
openJpaEntityManager.beginStore();
}
return new OpenJpaTransactionData(em);
// Custom implementation for OpenJPA savepoint handling
return new OpenJpaTransactionData(openJpaEntityManager);
}
@Override