public Object up(Message msg) { ExecutorHeader hdr = msg.getHeader(id); if (hdr == null) return up_prot.up(msg); Request req = msg.getObject(); if (log.isTraceEnabled()) log.trace("[" + local_addr + "] <-- [" + msg.getSrc() + "] " + req); switch (req.type) { case RUN_REQUEST: handleTaskRequest(req.request, (Address) req.object); break; case CONSUMER_READY: handleConsumerReadyRequest(req.request, (Address) req.object); break; case CONSUMER_UNREADY: handleConsumerUnreadyRequest(req.request, (Address) req.object); break; case CONSUMER_FOUND: handleConsumerFoundResponse(req.request, (Address) req.object); break; case RUN_SUBMITTED: RequestWithThread reqWT = (RequestWithThread) req; Object objectToRun = reqWT.object; Runnable runnable; if (objectToRun instanceof Runnable) { runnable = (Runnable) objectToRun; } else if (objectToRun instanceof Callable) { @SuppressWarnings("unchecked") Callable<Object> callable = (Callable<Object>) objectToRun; runnable = new FutureTask<>(callable); } else { log.error( Util.getMessage("RequestOfType") + req.type + " sent an object of " + objectToRun + " which is invalid"); break; } handleTaskSubmittedRequest(runnable, msg.getSrc(), req.request, reqWT.threadId); break; case RUN_REJECTED: // We could make requests local for this, but is it really worth it handleTaskRejectedResponse(msg.getSrc(), req.request); break; case RESULT_SUCCESS: handleValueResponse(msg.getSrc(), req.request, req.object); break; case RESULT_EXCEPTION: handleExceptionResponse(msg.getSrc(), req.request, (Throwable) req.object); break; case INTERRUPT_RUN: // We could make requests local for this, but is it really worth it handleInterruptRequest(msg.getSrc(), req.request); break; case CREATE_CONSUMER_READY: Owner owner = new Owner((Address) req.object, req.request); handleNewConsumer(owner); break; case CREATE_RUN_REQUEST: owner = new Owner((Address) req.object, req.request); handleNewRunRequest(owner); break; case DELETE_CONSUMER_READY: owner = new Owner((Address) req.object, req.request); handleRemoveConsumer(owner); break; case DELETE_RUN_REQUEST: owner = new Owner((Address) req.object, req.request); handleRemoveRunRequest(owner); break; default: log.error(Util.getMessage("RequestOfType") + req.type + " not known"); break; } return null; }