* {@inheritDoc}
*/
@Override
public ProtoNetwork stage1Merger(
Collection<ProtoNetworkDescriptor> protoNetworkDescriptors) {
ProtoNetwork mergedNetwork = null;
try {
Iterator<ProtoNetworkDescriptor> it =
protoNetworkDescriptors.iterator();
// Grab first proto network and iteratively merge the rest.
ProtoNetworkDescriptor pnd = it.next();
mergedNetwork = protoNetworkService.read(pnd);
while (it.hasNext()) {
ProtoNetwork nextPn = protoNetworkService.read(it.next());
protoNetworkService.merge(mergedNetwork, nextPn);
}
} catch (ProtoNetworkError e) {
e.printStackTrace();
Throwable cause = e.getCause();