#92 -- Fix saving in transaction

src/main/java/ru/ulstu/extractor/branch/service/BranchService.java

@@ -41,6 +41,7 @@ public class BranchService {
     @Transactional
     public Branch save(Branch branch, List<Commit> commits) {
         LOG.debug("Start save {} branch with {} commits ", branch.getName(), commits.size());
+        LOG.debug("Current branch contains {} commits ", branch.getCommits().size());
         List<Integer> commitsToRemoveIds = branch.getCommits().stream().map(BaseEntity::getId).collect(Collectors.toList());
         branch.setCommits(commitService.save(commits));
         LOG.debug("Save branch {} ", branch.getName());
@@ -50,12 +51,12 @@ public class BranchService {
         return branch;
     }
 
+    @Transactional
     public Branch addCommits(Branch branch, List<Commit> commits) {
         LOG.debug("Start add commits to {} branch with {} commits ", branch.getName(), commits.size());
-        commitService.save(commits);
+        branch.getCommits().addAll(commitService.save(commits));
         LOG.debug("Save branch {} ", branch.getName());
-        commitService.updateBranchId(commits, branch.getId());
-        return branch;
+        return save(branch);
     }
 
     public Branch findByRepositoryAndName(GitRepository gitRepository, String branchName) {

src/main/java/ru/ulstu/extractor/commit/service/CommitService.java

@@ -44,14 +44,6 @@ public class CommitService {
         jdbcTemplate.update("DELETE FROM commit where branch_id is null");
     }
 
-    public void updateBranchId(List<Commit> commits, Integer branchId) {
-        List<String> commitIds = commits.stream().map(c -> c.getId().toString()).collect(Collectors.toList());
-        String updateQuery = "update commit set branch_id = ? where id in (%s)";
-        updateQuery = String.format(updateQuery, String.join(",", commitIds));
-        jdbcTemplate.update(updateQuery, branchId);
-    }
-
-
     public List<Commit> findByRepositoryIdAndName(Integer repositoryId, String branchName) {
         return commitRepository.findByRepositoryIdAndBranchName(repositoryId, branchName);
     }

src/main/java/ru/ulstu/extractor/gitrepository/service/IndexService.java

@@ -74,9 +74,9 @@ public class IndexService {
             commitsTo += COMMITS_PAGE_SIZE;
             commits = gitRepositoryService.getCommits(gitRepository.getUrl(), branch.getName(), commitsFrom, commitsTo, false);
         }
-        final Branch branchForSave = branch;
+        branch = branchService.findByBranchId(branch.getId()).orElseThrow(() -> new RuntimeException("Branch not found by id"));
+        final Branch branchForSave = branchService.updateStatus(branch, IndexingStatus.FINISHED);
         timeSeriesCreators.forEach(tsCreator -> tsCreator.addTimeSeries(branchForSave));
-        branchService.updateStatus(branch, IndexingStatus.FINISHED);
         LOG.debug("Complete indexing {} branch", branch.getName());
     }