public SelectorData obtainSelectorData(final String pluginName, final String path) {
        final Map<String, SelectorData> lruMap = SELECTOR_DATA_MAP.get(pluginName);
        return Optional.ofNullable(lruMap).orElse(Maps.newHashMap()).get(path);
    }
Obtain selector data.

@param pluginName the pluginName
@param path       the path
@return the selector data
shenyu-plugin/shenyu-plugin-base/src/main/java/org/apache/shenyu/plugin/base/cache/MatchDataCache.java