maxDocumentCacheSize = ComponentUtil.getFessConfig().getIndexerDataMaxDocumentCacheSizeAsInteger();
        if (ComponentUtil.hasIngestFactory()) {
            ingestFactory = ComponentUtil.getIngestFactory();
        }
    }

    /**
     * Stores a document in the index after processing and validation.
     * Handles document transformation, field addition, and batched indexing.
     *

        return getComponent(NOTIFICATION_HELPER);
    }

    /**
     * Gets the ingest factory component.
     * @return The ingest factory.
     */
    public static IngestFactory getIngestFactory() {
        return getComponent(INGEST_FACTORY);
    }

    /**
     * Gets the script engine factory component.
     * @return The script engine factory.
     */

        if (logger.isDebugEnabled()) {
            logger.debug("Initialize {}", this.getClass().getSimpleName());
        }
        if (ComponentUtil.hasIngestFactory()) {
            ingestFactory = ComponentUtil.getIngestFactory();
        }
    }

    /**
     * Destroys the IndexUpdater when the container is shutting down.
     * Stops all crawler instances if crawling is still in progress.
     */
    @PreDestroy