public String getContent() {
        if (content == null) {
            StringBuilder buf = new StringBuilder();
            Iterator<FieldPart> iter = ensureTokenized().iterator();
            while(iter.hasNext()) {
                buf.append(iter.next().getContent());
            }
            content = buf.toString();
        }
        return content;
    }
Returns the content of this field
container-search/src/main/java/com/yahoo/prelude/hitfield/HitField.java