@Override
    protected void handleCachePolicyAttributeUpdate(StreamEvent streamEvent) {
        cacheTable.updateCachePolicyAttribute(streamEvent);
    }
Exgtension of IndexEventHolder that implements hook handleCachePolicyAttributeUpdate for cache usage
modules/siddhi-core/src/main/java/io/siddhi/core/table/holder/IndexEventHolderForCache.java