private void initTypesHashMap() {
typesHashMap = new HashMap();
SDOType typeType = (SDOType) this.getType(SDOConstants.SDO_URL, SDOConstants.TYPE);
SDOType xmlHelperLoadOptionsType = new SDOXMLHelperLoadOptionsType(this, typeType);
typesHashMap.put(xmlHelperLoadOptionsType.getQName(), xmlHelperLoadOptionsType);
SDOType openSequencedType = new SDOOpenSequencedType(this);
typesHashMap.put(openSequencedType.getQName(), openSequencedType);
typesHashMap.put(SDO_BOOLEAN_WRAPPER.getQName(), SDO_BOOLEAN_WRAPPER);