@Override public void constraintImmutable( String repositoryId, Document document, TypeDefinition typeDefinition) { Boolean defaultVal = (Boolean) typeManager.getSingleDefaultValue( PropertyIds.IS_IMMUTABLE, typeDefinition.getId(), repositoryId); boolean flag = false; if (document.isImmutable() == null) { if (defaultVal != null && defaultVal) { flag = true; } } else { if (document.isImmutable()) { flag = true; } } if (flag) { constraint(document.getId(), "Immutable document cannot be updated/deleted"); } }