final Object rawData = new Object();

        // ## Act ##
        resultData.setRawData(rawData);

        // ## Assert ##
        assertEquals(rawData, resultData.getRawData());

        assertNull(resultData.serializer);
        try {
            resultData.getData();
            fail();
        } catch (CrawlerSystemException e) {
            // nothing
        }
    }

        this.rawData = rawData;
        if (rawData != null) {
            data = null;
        }
    }

    /**
     * Get the raw data.
     * @return rawData
     */
    public Object getRawData() {
        return rawData;
    }

    /**
     * Set the serializer.
     * @param serializer the serializer function to convert raw data to byte array
     */