docs: protected Long performCommitLogic(EDBCommit commit) throws EDBException {
          if (!(commit instanceof JPACommit)) {
              throw new EDBException("The given commit type is not supported.");
          }
          if (commit.isCommitted()) {
              throw new EDBException("EDBCommit is already commitet.");
          }
          if (revisionCheckEnabled && commit.getParentRevisionNumber() != null
                  && !commit.getParentRevisionNumber().equals(getCurrentRevisionNumber())) {
              throw new EDBException("EDBCommit do not have the correct head revision number.");
          }
          runBeginCommitHooks(commit);
          EDBException exception = runPreCommitHooks(commit);
          if (exception != null) {
              return runErrorHooks(commit, exception);
          }
          Long timestamp = performCommit((JPACommit) commit);
          runEDBPostHooks(commit);
  
          return timestamp;
      }