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1 package org.hibernate.transaction;
3
4 import java.util.Properties  ;
5
6 import javax.transaction.TransactionManager ;
7
8 import org.apache.commons.logging.Log;
9 import org.apache.commons.logging.LogFactory;
10
11 import org.hibernate.HibernateException;
12 import org.hibernate.cfg.Environment;
13 import org.hibernate.util.ReflectHelper;
14
15
18 public final class TransactionManagerLookupFactory {
19
20 private static final Log log = LogFactory.getLog(TransactionManagerLookupFactory.class);
21
22 private TransactionManagerLookupFactory() {}
23
24 public static final TransactionManager getTransactionManager(Properties props) throws HibernateException {
25 log.info("obtaining TransactionManager");
26 return getTransactionManagerLookup(props).getTransactionManager(props);
27 }
28
29 public static final TransactionManagerLookup getTransactionManagerLookup(Properties props) throws HibernateException {
30
31 String tmLookupClass = props.getProperty(Environment.TRANSACTION_MANAGER_STRATEGY);
32 if (tmLookupClass==null) {
33 log.info("No TransactionManagerLookup configured (in JTA environment, use of read-write or transactional second-level cache is not recommended)");
34 return null;
35 }
36 else {
37
38 log.info("instantiating TransactionManagerLookup: " + tmLookupClass);
39
40 try {
41 TransactionManagerLookup lookup = (TransactionManagerLookup) ReflectHelper.classForName(tmLookupClass).newInstance();
42 log.info("instantiated TransactionManagerLookup");
43 return lookup;
44 }
45 catch (Exception e) {
46 log.error("Could not instantiate TransactionManagerLookup", e);
47 throw new HibernateException("Could not instantiate TransactionManagerLookup");
48 }
49 }
50 }
51 }
52 |
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