public void write(ObjectOutput out, boolean useNewFormat) throws IOException { boolean isResultStream = false; if (out instanceof ConnectionOutputStream) { ConnectionOutputStream stream = (ConnectionOutputStream) out; isResultStream = stream.isResultStream(); /* * If this LiveRef is being marshalled as part of a return value, * then we have to worry about referential integrity being broken * while the reference is in transit, in case there no longer * remains a strong reference in this VM after the call has * completed. Therefore, we tell the stream to save a reference * until an acknowledgment has been received from the caller; for * "local" LiveRefs, save a reference to the impl directly, * because the impl is not reachable from this LiveRef (see * 4114579); otherwise, save a reference to the LiveRef, for the * client-side DGC to watch over (see 4017232 for more details). */ if (isResultStream) { if (isLocal) { Target target = ObjectTable.getTarget(id); if (target != null) { Remote impl = target.getImpl(); if (impl != null) { stream.saveObject(impl); } } } else { stream.saveObject(this); } } } // All together now write out the endpoint, id, and flag // (need to choose whether or not to use old JDK1.1 endpoint format) if (useNewFormat) { ((TCPEndpoint) ep).write(out); } else { ((TCPEndpoint) ep).writeHostPortFormat(out); } id.write(out); out.writeBoolean(isResultStream); }
protected void marshalCustomCallData(ObjectOutput out) throws IOException { // this custom data ensures that a custom server // ref has written the relevant information. System.err.println("marshalling call data..."); out.writeObject("hello there."); }