private List obtainPropertiesNamesUsedToCalculate() throws XavaException { Set result = new HashSet(); Iterator itProperties = getMetaPropertiesCalculated().iterator(); while (itProperties.hasNext()) { MetaProperty metaProperty = (MetaProperty) itProperties.next(); if (!metaProperty.hasCalculator()) continue; MetaSetsContainer metaCalculator = metaProperty.getMetaCalculator(); if (!metaCalculator.containsMetaSets()) continue; Iterator itSets = metaCalculator.getMetaSets().iterator(); while (itSets.hasNext()) { MetaSet set = (MetaSet) itSets.next(); String propertyNameFrom = set.getPropertyNameFrom(); if (!Is.emptyString(propertyNameFrom)) { String qualifiedName = metaProperty.getQualifiedName(); int idx = qualifiedName.indexOf('.'); String ref = idx < 0 ? "" : qualifiedName.substring(0, idx + 1); String qualifiedPropertyNameFrom = ref + propertyNameFrom; if (!getPropertiesNames().contains(qualifiedPropertyNameFrom)) { result.add(qualifiedPropertyNameFrom); } } } } return new ArrayList(result); }