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1
21
22 package com.jaspersoft.jasperserver.api.metadata.common.service.impl;
23
24 import java.util.Date  ;
25
26 import org.apache.commons.logging.Log;
27 import org.apache.commons.logging.LogFactory;
28 import org.springframework.dao.DataAccessException;
29 import org.springframework.orm.hibernate3.HibernateAccessor;
30 import org.springframework.orm.hibernate3.HibernateTemplate;
31 import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
32
33 import com.jaspersoft.jasperserver.api.JSExceptionWrapper;
34
35
39 public class HibernateDaoImpl extends HibernateDaoSupport {
40
41 private static final Log log = LogFactory.getLog(HibernateDaoImpl.class);
42
43 private final ThreadLocal operationDate;
44
45 public HibernateDaoImpl()
46 {
47 operationDate = new ThreadLocal ();
48 }
49
50 protected static interface DaoCallback {
51 Object execute();
52 }
53
54 protected final Object executeCallback(final DaoCallback callback) {
55 try {
56 Object ret = callback.execute();
57 return ret;
58 } catch (DataAccessException e) {
59 log.error("Hibernate DataAccessException", e);
60 throw new JSExceptionWrapper(e);
61 }
62 }
63
64 protected final Object executeWriteCallback(final DaoCallback callback) {
65 return executeWriteCallback(callback, true);
66 }
67
68 protected final Object executeWriteCallback(final DaoCallback callback, boolean flush) {
69 startOperation();
70 HibernateTemplate hibernateTemplate = getHibernateTemplate();
71 int origFlushMode = hibernateTemplate.getFlushMode();
72 try {
73 hibernateTemplate.setFlushMode(HibernateAccessor.FLUSH_COMMIT);
74 Object ret = callback.execute();
75 if (flush) {
76 hibernateTemplate.flush();
77 }
78 return ret;
79 } catch (DataAccessException e) {
80 log.error("Hibernate DataAccessException", e);
81 throw new JSExceptionWrapper(e);
82 }
83 finally {
84 hibernateTemplate.setFlushMode(origFlushMode);
85 endOperation();
86 }
87 }
88
89 protected void startOperation() {
90 operationDate.set(new Date ());
91 }
92
93 protected Date getOperationTimestamp() {
94 return (Date ) operationDate.get();
95 }
96
97 protected void endOperation() {
98 operationDate.set(null);
99 }
100 }
101 |
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