} finally {
                if (propFile != null && !propFile.delete()) {
                    logger.warn("Failed to delete {}.", propFile.getAbsolutePath());
                }
                deleteTempDir(ownTmpDir);
            }
        }
    }

    @Override
    protected String getExecuteType() {
        return Constants.EXECUTE_TYPE_THUMBNAIL;
    }

            } finally {
                if (propFile != null && !propFile.delete()) {
                    logger.warn("Failed to delete {}.", propFile.getAbsolutePath());
                }
                deleteTempDir(ownTmpDir);
            }
        }
    }

    @Override
    protected String getExecuteType() {
        return Constants.EXECUTE_TYPE_SUGGEST;
    }

            } finally {
                if (propFile != null && !propFile.delete()) {
                    logger.warn("Failed to delete {}.", propFile.getAbsolutePath());
                }
                deleteTempDir(ownTmpDir);
            }
        }
    }

    @Override
    protected String getExecuteType() {
        return Constants.EXECUTE_TYPE_CRAWLER;
    }