}
protected DrawObject getOperatorStyle(final String styleName) {
try {
if(!GraphWrapper.styles.containsKey(styleName)) {
final Type shapeType = Helper.castEnum(EnumDatatype.getValues(styleName + ".shape").get(0));
final Color color1 = ColorDatatype.getValues(styleName + ".color1").get(0);
final Color color2 = ColorDatatype.getValues(styleName + ".color2").get(0);
GraphWrapper.styles.put(styleName, new DrawObject(shapeType, InnerAttribute.GRADIENTPAINT, OuterAttribute.NONE, color1, color2));
}