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Use reflection to load Hibernate version specific classes 

This adds support for Hibernate 4.2 again by loading the specific
classes with reflection.

Fixes gh-1460, fixes gh-1557
This commit is contained in:
Manuel Doninger 2014-09-14 12:04:28 +02:00 committed by Dave Syer
parent 9af8fdb8a1
commit 02e33c125c
2 changed files with 31 additions and 10 deletions
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31
spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaAutoConfiguration.java
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@ -22,7 +22,8 @@ import java.util.Map;
import javax.persistence.EntityManager;
import javax.sql.DataSource;
import org.hibernate.engine.transaction.jta.platform.internal.NoJtaPlatform;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
@ -36,8 +37,6 @@ import org.springframework.boot.orm.jpa.hibernate.SpringJtaPlatform;
import org.springframework.context.annotation.ConditionContext;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.core.type.AnnotatedTypeMetadata;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.orm.jpa.vendor.AbstractJpaVendorAdapter;
@ -61,6 +60,9 @@ public class HibernateJpaAutoConfiguration extends JpaBaseConfiguration {
private static final String JTA_PLATFORM = "hibernate.transaction.jta.platform";
private static final Logger logger = LoggerFactory
.getLogger(HibernateJpaAutoConfiguration.class);
@Autowired
private JpaProperties properties;
@ -82,19 +84,38 @@ public class HibernateJpaAutoConfiguration extends JpaBaseConfiguration {
@Override
protected void customizeVendorProperties(Map<String, Object> vendorProperties) {
super.customizeVendorProperties(vendorProperties);
String HIBERNATE43_NOJTAPLATFORM_CLASS = "org.hibernate.engine.transaction.jta.platform.internal.NoJtaPlatform";
String HIBERNATE42_NOJTAPLATFORM_CLASS = "org.hibernate.service.jta.platform.internal.NoJtaPlatform";
if (!vendorProperties.containsKey(JTA_PLATFORM)) {
JtaTransactionManager jtaTransactionManager = getJtaTransactionManager();
try {
if (jtaTransactionManager != null) {
vendorProperties.put(JTA_PLATFORM, new SpringJtaPlatform(
jtaTransactionManager));
}
else {
vendorProperties.put(JTA_PLATFORM, NoJtaPlatform.INSTANCE);
Object jtaPlatform = null;
if (ClassUtils.isPresent(HIBERNATE43_NOJTAPLATFORM_CLASS, null)) {
jtaPlatform = ClassUtils.forName(HIBERNATE43_NOJTAPLATFORM_CLASS,
null).newInstance();
}
else if (ClassUtils.isPresent(HIBERNATE42_NOJTAPLATFORM_CLASS, null)) {
jtaPlatform = ClassUtils.forName(HIBERNATE42_NOJTAPLATFORM_CLASS,
null).newInstance();
}
if (jtaPlatform != null) {
vendorProperties.put(JTA_PLATFORM, jtaPlatform);
}
}
}
catch (Exception e) {
logger.error("Could not configure the JTA platform", e);
}
}
}
@Order(Ordered.HIGHEST_PRECEDENCE + 20)
static class HibernateEntityManagerCondition extends SpringBootCondition {
private static String[] CLASS_NAMES = {