public static Commit find(Repository repo, long commitId, Session session) {
Commit c = (Commit) session.get(Commit.class, commitId);
if (c == null) {
return null;
}
if (c.getBranch().getRepository() != repo) {
return null;
}
return c;
}
/**
* Saves any changed items in the session by recalculating hashes and persisting new items to the
* repository, and returns a list of root tree items which represent changed trees. That list will
* contain the root of the tree which this session directly represents, but it will also contain
* the roots of trees which have been affected through linked item updates
*
* @return
*/
public String save(Profile currentUser) throws IOException {
recalcHashes(rootDataNode);
String newHash = rootDataNode.hash;
Commit newCommit = new Commit();
newCommit.setCreatedDate(currentDateService.getNow());
newCommit.setEditor(currentUser);
newCommit.setItemHash(newHash);
session.save(newCommit);
System.out.println("commit hash: " + newHash + " id " + newCommit.getId());
branch.setHead(newCommit);
session.save(branch);
return rootDataNode.hash;
}
public DataSession(
Branch branch,
Session session,
HashStore hashStore,
BlobStore blobStore,
CurrentDateService currentDateService) {
this.blobStore = blobStore;
this.hashStore = hashStore;
this.session = session;
this.branch = branch;
this.currentDateService = currentDateService;
Commit c = branch.latestVersion(session);
String hash = null;
if (c != null) {
hash = c.getItemHash();
}
rootDataNode = new DirectoryNode(null, null, hash);
}
/**
* Creates and saves a new branch, including setting up initial commit etc
*
* @param name
* @param user
* @param session
* @return
*/
public Branch createBranch(String name, Profile user, Session session) {
Commit head = new Commit();
head.setCreatedDate(new Date());
head.setEditor(user);
head.setItemHash(null);
session.save(head);
Branch b = new Branch();
b.setName(Branch.TRUNK);
b.setRepository(this);
b.setHead(head);
session.save(b);
if (getBranches() == null) {
setBranches(new ArrayList<Branch>());
}
getBranches().add(b);
return b;
}
