String columnType = columnElement.attributeValue("type");
boolean primary = GetterUtil.getBoolean(
columnElement.attributeValue("primary"));
boolean accessor = GetterUtil.getBoolean(
columnElement.attributeValue("accessor"));
boolean filterPrimary = GetterUtil.getBoolean(
columnElement.attributeValue("filter-primary"));
String collectionEntity = columnElement.attributeValue("entity");
String mappingTable = columnElement.attributeValue("mapping-table");