public void onSuccess(PageList<ResourceGroupComposite> results) {
if (!results.isEmpty()) {
groupComposite = results.get(0);
//instantiate view
//populated GWT criteria objects
Criteria criteria = new Criteria(GroupOperationHistoryDataSource.CriteriaField.GROUP_ID, String
.valueOf(groupComposite.getResourceGroup().getId()));
groupOperations = new GroupOperationsCriteriaHistoryListView(
new GroupOperationsCriteriaDataSource(portletConfig), null, criteria, groupComposite,
isAutoGroup);
} else {
Criteria criteria = new Criteria();
ResourceGroup emptyGroup = new ResourceGroup("");
emptyGroup.setId(-1);
Long zero = new Long(0);
groupComposite = new ResourceGroupComposite(zero, zero, zero, zero, zero, zero, zero, zero,
emptyGroup);