【Java开源代码栏目提醒】:网学会员--在 Java开源代码编辑为广大网友搜集整理了:TransactionManagerLookupFactory.java绩等信息,祝愿广大网友取得需要的信息,参考学习。
//$Id: TransactionManagerLookupFactory.java 4515 2004-09-07 02:14:43Z oneovthafew $
package org.hibernate.transaction;
import java.util.Properties;
import javax.transaction.TransactionManager;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.HibernateException;
import org.hibernate.cfg.Environment;
import org.hibernate.util.ReflectHelper;
/**
* @author Gavin King
*/
public final class TransactionManagerLookupFactory {
private static final Log log = LogFactory.getLog(TransactionManagerLookupFactory.class);
private TransactionManagerLookupFactory() {}
public static final TransactionManager getTransactionManager(Properties props) throws HibernateException {
log.info("obtaining TransactionManager");
return getTransactionManagerLookup(props).getTransactionManager(props);
}
public static final TransactionManagerLookup getTransactionManagerLookup(Properties props) throws HibernateException {
String tmLookupClass = props.getProperty(Environment.TRANSACTION_MANAGER_STRATEGY);
if (tmLookupClass==null) {
log.info("No TransactionManagerLookup configured (in JTA environment, use of read-write or transactional second-level cache is not recommended)");
return null;
}
else {
log.info("instantiating TransactionManagerLookup: " + tmLookupClass);
try {
TransactionManagerLookup lookup = (TransactionManagerLookup) ReflectHelper.classForName(tmLookupClass).newInstance();
log.info("instantiated TransactionManagerLookup");
return lookup;
}
catch (Exception e) {
log.error("Could not instantiate TransactionManagerLookup", e);
throw new HibernateException("Could not instantiate TransactionManagerLookup");
}
}
}
}