code: private void runPersistingLogic(EKBCommit commit, boolean check, UUID expectedContextHeadRevision,
              boolean headRevisionCheck) throws SanityCheckException, EKBException {
          String contextId = ContextHolder.get().getCurrentContextId();
          try {
              lockContext(contextId);
              if (headRevisionCheck) {
                  checkForContextHeadRevision(contextId, expectedContextHeadRevision);
              }
              runEKBPreCommitHooks(commit);
              if (check) {
                  performSanityChecks(commit);
              }
              EKBException exception = null;
              ConvertedCommit converted = edbConverter.convertEKBCommit(commit);
              try {
                  performPersisting(converted, commit);
                  runEKBPostCommitHooks(commit);
              } catch (EKBException e) {
                  exception = e;
              }
              runEKBErrorHooks(commit, exception);
          } finally {
              releaseContext(contextId);
          }
      }
docs: Runs the logic of the PersistInterface. Does the sanity checks if check is set to true. Additionally tests if the
  head revision of the context under which the commit is performed has the given revision number if the
  headRevisionCheck flag is set to true.