return contentSize;
    }

    /**
     * Adds to the total content size of this document list.
     *
     * @param contentSize the content size to add in bytes
     */
    public void addContentSize(final long contentSize) {
        this.contentSize += contentSize;
    }

    /**
     * Gets the total processing time for all documents in this list.
     *

    @Test
    public void test_addContentSize_multiple() {
        DocList docList = new DocList();

        docList.addContentSize(100);
        assertEquals(100, docList.getContentSize());

        docList.addContentSize(200);
        assertEquals(300, docList.getContentSize());

        docList.addContentSize(50);
        assertEquals(350, docList.getContentSize());
    }

    @Test

        synchronized (docList) {
            docList.add(ingest(paramMap, dataMap));
            final long contentSize = indexingHelper.calculateDocumentSize(dataMap);
            docList.addContentSize(contentSize);
            final long processingTime = systemHelper.getCurrentTimeAsLong() - startTime;
            docList.addProcessingTime(processingTime);
            if (logger.isDebugEnabled()) {

            synchronized (docList) {
                docList.add(ingest(paramMap, dataMap));
                final long contentSize = indexingHelper.calculateDocumentSize(dataMap);
                docList.addContentSize(contentSize);
                final long processingTime = systemHelper.getCurrentTimeAsLong() - startTime;
                docList.addProcessingTime(processingTime);

                    updateDocument(map);

                    docList.add(ingest(accessResult, map));
                    final long contentSize = indexingHelper.calculateDocumentSize(map);
                    docList.addContentSize(contentSize);
                    final long processingTime = systemHelper.getCurrentTimeAsLong() - startTime;
                    docList.addProcessingTime(processingTime);
                    if (logger.isDebugEnabled()) {