@Override
            public String getIndexerDataMaxDocumentRequestSize() {
                return "1048576"; // 1MB
            }

            @Override
            public Integer getIndexerDataMaxDocumentCacheSizeAsInteger() {
                return 10000;
            }

            @Override
            public String getIndexFieldUrl() {
                return "url";
            }

        }
        maxDocumentRequestSize = Long.parseLong(ComponentUtil.getFessConfig().getIndexerDataMaxDocumentRequestSize());
        maxDocumentCacheSize = ComponentUtil.getFessConfig().getIndexerDataMaxDocumentCacheSizeAsInteger();
        if (ComponentUtil.hasIngestFactory()) {
            ingestFactory = ComponentUtil.getIngestFactory();
        }
    }

    /**