public static byte[] initializeAndGetDSIdentity(DistributedSystem sys) { byte[] client_side_identity = null; if (sys == null) { // DistributedSystem is required now before handshaking -Kirk throw new IllegalStateException( LocalizedStrings .ClientProxyMembershipID_ATTEMPTING_TO_HANDSHAKE_WITH_CACHESERVER_BEFORE_CREATING_DISTRIBUTEDSYSTEM_AND_CACHE .toLocalizedString()); } // if (system != sys) { // DS already exists... make sure it's for current DS connection systemMemberId = sys.getDistributedMember(); try { HeapDataOutputStream hdos = new HeapDataOutputStream(256, Version.CURRENT); DataSerializer.writeObject(systemMemberId, hdos); client_side_identity = hdos.toByteArray(); } catch (IOException ioe) { throw new InternalGemFireException( LocalizedStrings.ClientProxyMembershipID_UNABLE_TO_SERIALIZE_IDENTITY .toLocalizedString(), ioe); } system = sys; } return client_side_identity; }