// Build an FL_Link result from a list of SolrDocuments returned from a group command in a query
protected FL_Link buildResultFromGroupedDocuments(SolrDocumentList dl) {
// Build the initial result from the first document
FL_Link link = buildResultFromDocument(dl.get(0));
// Get the nodetype
String targetField =
PropertyDescriptorHelper.mapKey(
FL_RequiredPropertyKey.TO.name(),
_applicationConfiguration.getLinkDescriptors().getProperties(),
link.getType());
// Add the remaining document properties to the entity
// Currently only the TO field is aggregated from grouping of one-to-many links
for (int i = 1; i < dl.size(); i++) {
SolrDocument sd = dl.get(i);
String target = (String) sd.getFieldValue(targetField);
FL_Property property = null;
List<FL_Property> properties = link.getProperties();
for (FL_Property prop : link.getProperties()) {
if (prop.getKey().equals(FL_RequiredPropertyKey.TO.name())) {
property = prop;
}
}
if (property != null) {
Object range = property.getRange();
if (range instanceof FL_ListRange) {
List<Object> values = ((FL_ListRange) range).getValues();
values.add(target);
} else if (range instanceof FL_SingletonRange) {
List<Object> values = new ArrayList<Object>();
values.add(((FL_SingletonRange) range).getValue());
values.add(target);
property.setRange(
FL_ListRange.newBuilder().setType(FL_PropertyType.STRING).setValues(values).build());
}
link.setProperties(properties);
}
link.setTarget(link.getTarget() + "," + getTarget(sd));
}
return link;
}
