garrettmills/commafeed
1
0
Fork 0
forked from Archives/Athou_commafeed
Code Pull Requests Activity

units of work can now be chained

Browse Source
This commit is contained in:
Athou
2014-08-13 10:01:38 +02:00
parent 1319bf4a8c
commit 9320b6beb8
1 changed files with 17 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
src/main/java/com/commafeed/backend/dao/UnitOfWork.java
View File

@@ -16,24 +16,31 @@ public abstract class UnitOfWork<T> {
protected abstract T runInSession() throws Exception;
public T run() {
final Session session = sessionFactory.openSession();
if (ManagedSessionContext.hasBind(sessionFactory)) {
throw new IllegalStateException("Already in a unit of work!");
}
boolean newSession = !ManagedSessionContext.hasBind(sessionFactory);
final Session session = newSession ? sessionFactory.openSession() : sessionFactory.getCurrentSession();
T t = null;
try {
ManagedSessionContext.bind(session);
session.beginTransaction();
if (newSession) {
ManagedSessionContext.bind(session);
session.beginTransaction();
}
try {
t = runInSession();
commitTransaction(session);
if (newSession) {
commitTransaction(session);
}
} catch (Exception e) {
rollbackTransaction(session);
if (newSession) {
rollbackTransaction(session);
}
this.<RuntimeException> rethrow(e);
}
} finally {
session.close();
ManagedSessionContext.unbind(sessionFactory);
if (newSession) {
session.close();
ManagedSessionContext.unbind(sessionFactory);
}
}
return t;
}