Examples with RequestOptions org.jgroups.blocks.RequestOptions used on opensource projects

Example 16 with RequestOptions

use of org.jgroups.blocks.RequestOptions in project JGroups by belaban.

the class QuoteClient method actionPerformed.

public void actionPerformed(ActionEvent e) {
    String command = e.getActionCommand();
    try {
        switch(command) {
            case "Get":
                {
                    String stock_name = stock_field.getText();
                    if (stock_name == null || stock_name.isEmpty()) {
                        showMsg("Stock name is empty !");
                        return;
                    }
                    showMsg("Looking up value for " + stock_name + ':');
                    RspList<Object> quotes = disp.callRemoteMethods(null, "getQuote", new Object[] { stock_name }, new Class[] { String.class }, new RequestOptions(ResponseMode.GET_ALL, 10000));
                    Float val = null;
                    for (Rsp<Object> rsp : quotes.values()) {
                        Object quote = rsp.getValue();
                        if (quote == null || quote instanceof Throwable)
                            continue;
                        val = (Float) quote;
                        break;
                    }
                    if (val != null) {
                        value_field.setText(val.toString());
                        clearMsg();
                    } else {
                        value_field.setText("");
                        showMsg("Value for " + stock_name + " not found");
                    }
                    break;
                }
            case "Set":
                String stock_name = stock_field.getText();
                String stock_val = value_field.getText();
                if (stock_name == null || stock_val == null || stock_name.isEmpty() || stock_val.isEmpty()) {
                    showMsg("Stock name and value have to be present to enter a new value");
                    return;
                }
                Float val = new Float(stock_val);
                disp.callRemoteMethods(null, "setQuote", new Object[] { stock_name, val }, new Class[] { String.class, Float.class }, new RequestOptions(ResponseMode.GET_FIRST, 0));
                showMsg("Stock " + stock_name + " set to " + val);
                break;
            case "All":
                listbox.removeAll();
                showMsg("Getting all stocks:");
                RspList<Object> rsp_list = disp.callRemoteMethods(null, "getAllStocks", null, null, new RequestOptions(ResponseMode.GET_ALL, 5000));
                System.out.println("rsp_list is " + rsp_list);
                Map<String, Float> all_stocks = null;
                for (Rsp rsp : rsp_list.values()) {
                    Object obj = rsp.getValue();
                    if (obj == null || obj instanceof Throwable)
                        continue;
                    all_stocks = (Map<String, Float>) obj;
                    break;
                }
                if (all_stocks == null) {
                    showMsg("No stocks found");
                    return;
                }
                clearMsg();
                listbox.removeAll();
                all_stocks.entrySet().stream().filter(entry -> entry.getValue() != null).forEach(entry -> listbox.add(entry.getKey() + ": " + entry.getValue().toString()));
                break;
            case "Quit":
                setVisible(false);
                channel.close();
                System.exit(0);
            default:
                System.out.println("Unknown action");
                break;
        }
    } catch (Exception ex) {
        value_field.setText("");
        ex.printStackTrace();
        showMsg(ex.toString());
    }
}

Example 17 with RequestOptions

use of org.jgroups.blocks.RequestOptions in project JGroups by belaban.

the class GraphPanel method mouseReleased.

public void mouseReleased(MouseEvent e) {
    Point p = e.getPoint();
    if (pick == null)
        return;
    pick.x = p.x;
    pick.y = p.y;
    pick.fixed = pickfixed;
    try {
        MethodCall call = new MethodCall("moveNode", new Object[] { pick }, new Class[] { Node.class });
        wb.disp.callRemoteMethods(null, call, new RequestOptions(ResponseMode.GET_ALL, 0));
    } catch (Exception ex) {
        log.error(ex.toString());
    }
    pick = null;
}

Example 18 with RequestOptions

use of org.jgroups.blocks.RequestOptions in project teiid by teiid.

the class JGroupsOutputStream method flush.

public void flush() throws IOException {
    checkClosed();
    try {
        if (index == 0) {
            return;
        }
        disp.callRemoteMethods(dests, new MethodCall((short) (methodOffset + 1), new Object[] { stateId, Arrays.copyOf(buffer, index) }), new RequestOptions(ResponseMode.GET_NONE, 0).setAnycasting(dests != null));
        index = 0;
    } catch (Exception e) {
        throw new IOException(e);
    }
}

Example 19 with RequestOptions

use of org.jgroups.blocks.RequestOptions in project JGroups by belaban.

the class RelayDemoRpc method start.

public void start(String props, String name) throws Exception {
    ch = new JChannel(props);
    if (name != null)
        ch.setName(name);
    disp = new RpcDispatcher(ch, this).setReceiver(this);
    ch.connect("RelayDemo");
    local_addr = ch.getAddress().toString();
    MethodCall call = new MethodCall(getClass().getMethod("handleMessage", String.class, String.class));
    for (; ; ) {
        String line = Util.readStringFromStdin(": ");
        if (line.startsWith("help")) {
            System.out.println("unicast <text>  // unicasts to all members of local view\n" + "site <site>+    // unicasts to all listed site masters, e.g. \"site sfo lon\"\n" + "mcast <site>+   // anycasts to all local members, plus listed site masters \n" + "<text>          // multicast, RELAY2 will relay to all members of sites");
            continue;
        }
        call.setArgs(line, local_addr);
        // unicast to every member of the local cluster
        if (line.equalsIgnoreCase("unicast")) {
            for (Address dest : view.getMembers()) {
                System.out.println("invoking method in " + dest + ": ");
                try {
                    Object rsp = disp.callRemoteMethod(dest, call, new RequestOptions(ResponseMode.GET_ALL, RPC_TIMEOUT));
                    System.out.println("rsp from " + dest + ": " + rsp);
                } catch (Throwable throwable) {
                    throwable.printStackTrace();
                }
            }
        } else // unicast to 1 SiteMaster
        if (line.startsWith("site")) {
            Collection<String> site_masters = parseSiteMasters(line.substring("site".length()));
            for (String site_master : site_masters) {
                try {
                    SiteMaster dest = new SiteMaster(site_master);
                    System.out.println("invoking method in " + dest + ": ");
                    Object rsp = disp.callRemoteMethod(dest, call, new RequestOptions(ResponseMode.GET_ALL, RPC_TIMEOUT));
                    System.out.println("rsp from " + dest + ": " + rsp);
                } catch (Throwable t) {
                    t.printStackTrace();
                }
            }
        } else // mcast to all local members and N SiteMasters
        if (line.startsWith("mcast")) {
            Collection<String> site_masters = parseSiteMasters(line.substring("mcast".length()));
            Collection<Address> dests = new ArrayList<>(site_masters.size());
            for (String site_master : site_masters) {
                try {
                    dests.add(new SiteMaster(site_master));
                } catch (Throwable t) {
                    System.err.println("failed adding SiteMaster for " + site_master + ": " + t);
                }
            }
            dests.addAll(view.getMembers());
            System.out.println("invoking method in " + dests + ": ");
            RspList<Object> rsps = disp.callRemoteMethods(dests, call, new RequestOptions(ResponseMode.GET_ALL, RPC_TIMEOUT).anycasting(true));
            for (Map.Entry<Address, Rsp<Object>> entry : rsps.entrySet()) {
                Address sender = entry.getKey();
                Rsp<Object> rsp = entry.getValue();
                if (rsp.wasUnreachable())
                    System.out.println("<< unreachable: " + sender);
                else
                    System.out.println("<< " + rsp.getValue() + " from " + sender);
            }
        } else {
            // mcasting the call to all local cluster members
            RspList<Object> rsps = disp.callRemoteMethods(null, call, new RequestOptions(ResponseMode.GET_ALL, RPC_TIMEOUT).anycasting(false));
            rsps.forEach((key, val) -> System.out.println("<< " + val.getValue() + " from " + key));
        }
    }
}

Example 20 with RequestOptions

use of org.jgroups.blocks.RequestOptions in project JGroups by belaban.

the class RSVPTest method testRpcWithFuture.

public void testRpcWithFuture() throws Exception {
    final Method method = getClass().getMethod("getGreeting");
    RpcDispatcher[] dispatchers = new RpcDispatcher[channels.length];
    for (int i = 0; i < dispatchers.length; i++) {
        channels[i].setReceiver(null);
        dispatchers[i] = new RpcDispatcher(channels[i], this);
        dispatchers[i].start();
    }
    DISCARD discard = channels[0].getProtocolStack().findProtocol(DISCARD.class);
    discard.dropDownMulticasts(1);
    RequestOptions opts = RequestOptions.SYNC().flags(Message.Flag.RSVP_NB);
    long start = System.currentTimeMillis();
    Future<RspList<String>> future = dispatchers[0].callRemoteMethodsWithFuture(null, new MethodCall(method), opts);
    long rpc_time = System.currentTimeMillis() - start;
    start = System.currentTimeMillis();
    RspList<String> rsps = future.get(3000, TimeUnit.MILLISECONDS);
    long get_time = System.currentTimeMillis() - start;
    System.out.printf("rsps=\n%s\nRPC time=%d ms, Get time=%d ms", rsps, rpc_time, get_time);
    assert rsps.size() == channels.length;
    for (Rsp rsp : rsps) assert rsp.wasReceived() && rsp.getValue() != null;
    // take a GC into account
    assert rpc_time < 500;
}