public static LiveRef read(ObjectInput in, boolean useNewFormat)
throws IOException, ClassNotFoundException {
Endpoint ep;
ObjID id;
// Now read in the endpoint, id, and result flag
// (need to choose whether or not to read old JDK1.1 endpoint format)
if (useNewFormat) {
ep = TCPEndpoint.read(in);
} else {
ep = TCPEndpoint.readHostPortFormat(in);
}
id = ObjID.read(in);
boolean isResultStream = in.readBoolean();
LiveRef ref = new LiveRef(id, ep, false);
if (in instanceof ConnectionInputStream) {
ConnectionInputStream stream = (ConnectionInputStream) in;
// save ref to send "dirty" call after all args/returns
// have been unmarshaled.
stream.saveRef(ref);
if (isResultStream) {
// set flag in stream indicating that remote objects were
// unmarshaled. A DGC ack should be sent by the transport.
stream.setAckNeeded();
}
} else {
DGCClient.registerRefs(ep, Arrays.asList(new LiveRef[] {ref}));
}
return ref;
}
private AttributeList getAttributes(ObjectName objName, String[] attrNames)
throws InstanceNotFoundException, ReflectionException, IOException {
final NameValueMap values =
getCachedAttributes(objName, new TreeSet<String>(Arrays.asList(attrNames)));
final AttributeList list = new AttributeList();
for (String attrName : attrNames) {
final Object value = values.get(attrName);
if (value != null || values.containsKey(attrName)) {
list.add(new Attribute(attrName, value));
}
}
return list;
}