if (tikaExtractor != null) {
                tikaExtractor.setMaxAlphanumTermSize(getMaxAlphanumTermSize());
                tikaExtractor.setMaxSymbolTermSize(getMaxSymbolTermSize());
                tikaExtractor.setReplaceDuplication(isDuplicateTermRemoved());
                tikaExtractor.setSpaceChars(getSpaceChars());
            }

        this.maxAlphanumTermSize = maxAlphanumTermSize;
    }

    /**
     * Sets the maximum size of a symbol term.
     * @param maxSymbolTermSize The max size of a symbol term.
     */
    public void setMaxSymbolTermSize(final int maxSymbolTermSize) {
        this.maxSymbolTermSize = maxSymbolTermSize;
    }

    /**
     * Sets the space characters.
     * @param spaceChars The space characters.
     */