public final long getReloadInterval() {
        return sourceContext.getLong(SourceContext.KEY_RELOAD_INTERVAL, DEFAULT_RELOAD_INTERVAL_MS);
    }
Obtain the reload interval of source.
@return Reload interval of source.
inlong-sort-standalone/sort-standalone-source/src/main/java/org/apache/inlong/sort/standalone/source/SourceContext.java