/**
     * Default constructor that creates a DocBoostMatcher with default script type.
     * Uses the default script engine as defined in Constants.DEFAULT_SCRIPT.
     */
    public DocBoostMatcher() {
        scriptType = Constants.DEFAULT_SCRIPT;
    }

    /**
     * Constructor that creates a DocBoostMatcher from a BoostDocumentRule.
     *

        assertFalse(docBoostMatcher.match(map));

        map.remove("data1");
        assertFalse(docBoostMatcher.match(map));

        map.put("data2", 5);
        assertFalse(docBoostMatcher.match(map));
    }

    public void test_string() {
        final DocBoostMatcher docBoostMatcher = new DocBoostMatcher();
        docBoostMatcher.setBoostExpression("10");