Connect a tablet as input method or push asynchronously data from the WebAs
If have to connect a tablet to a WebDynpro application. Not a tablet PC or something, just an ordinary tablet. This is one of those big plates with hundreds of imaginary buttons.
The user pushes with a pen some imaginary buttons on the tablet and the WebDynpro program should act accordingly. E.g. the user pushes in the oder entry WebDynpro the button "TheMP3Player" and directly after that the button "colour green", then pushes two time the "battery pack" button and then "type enhanced capacity". The WebDnypro component should react accordingly. Should jump between field, etc.
Do we have the possibility to add an input device like this to the WebDynpro application or are we stuck with mouse an keyboard? At least, I could not find a way to do this in WebDynpro.
If I would use an ordinary, classical Dynpro, I would write and RFC server, write the data from the tablet to the WebAs and from there write the data directly to the Dynpro.
Since WebDynpro is more or less stateless, we can do this here, right? Or is there some "add on" that I could use to poll on a regular or on an event basis (an event not triggered by mouse or keyboard though) data from the WebAs?
Any help would be appreciated.
Thank you!
Kind regards,
Andreas
Hi Maaniks,
I'm a little puzzled by step 5. The return from the tpcall() will be TypedBuffer, so you shouldn't need to create another TypedBuffer. You may need to downcast it to the particular type of TypedBuffer returned, but you shouldn't need to create a new TypedBuffer or TypedFML32.
Otherwise what you are doing is probably pretty reasonable and common. I'm not aware of any general purposes classes that do what you are looking for, although creating one probably wouldn't be hard. Using reflection you could make it such that the same converter class could handle any POJO or Bean, assuming you can easily map the field IDs to attributes or properties of the POJO or Bean.
The only comment I might have is whether you use an iterator or look for specific fields is largely going to depend on which there are fewer of. If the class you are populating only takes a few fields from the FML32 buffer, you might just extract those fields instead of iterating through the entire FML32 buffer.
Regards,
Todd Little
Oracle Tuxedo Chief Architect
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Hi Everybody,
i'm playing a little bit with Windows Azure and I'm blocked with a really simple issue (or maybe not).
I've created a Cloud Service containing one simple Worker Role. I've configured an EndPoint in the WorkerRole configuration, which allows Input connections via tcp on port 10100.
Here the ServiceDefinition.csdef file content:
<?xml version="1.0" encoding="utf-8"?>
<ServiceDefinition name="EmacCloudService" xmlns="http://schemas.microsoft.com/ServiceHosting/2008/10/ServiceDefinition" schemaVersion="2014-01.2.3">
<WorkerRole name="TcpListenerWorkerRole" vmsize="Small">
<Imports>
<Import moduleName="Diagnostics" />
<Import moduleName="RemoteAccess" />
<Import moduleName="RemoteForwarder" />
</Imports>
<Endpoints>
<InputEndpoint name="Endpoint1" protocol="tcp" port="10100" />
</Endpoints>
</WorkerRole>
</ServiceDefinition>
This WorkerRole is just creating a TcpListener object listening to the configured port (using the RoleEnvironment instance) and waits for an incoming connection. It receives a message and returns a hardcoded message (see code snippet below).
namespace TcpListenerWorkerRole
using System;
using System.Net;
using Microsoft.WindowsAzure.ServiceRuntime;
using System.Net.Sockets;
using System.Text;
using Roche.Emac.Infrastructure;
using System.IO;
using System.Threading.Tasks;
using Microsoft.WindowsAzure.Diagnostics;
using System.Linq;
public class WorkerRole : RoleEntryPoint
public override void Run()
// This is a sample worker implementation. Replace with your logic.
LoggingProvider.Logger.Info("TcpListenerWorkerRole entry point called");
TcpListener listener = null;
try
listener = new TcpListener(RoleEnvironment.CurrentRoleInstance.InstanceEndpoints["Endpoint1"].IPEndpoint);
listener.ExclusiveAddressUse = false;
listener.Start();
LoggingProvider.Logger.Info(string.Format("TcpListener started at '{0}:{1}'", RoleEnvironment.CurrentRoleInstance.InstanceEndpoints["Endpoint1"].IPEndpoint.Address, RoleEnvironment.CurrentRoleInstance.InstanceEndpoints["Endpoint1"].IPEndpoint.Port));
catch (SocketException ex)
LoggingProvider.Logger.Exception("Unexpected exception while creating the TcpListener", ex);
return;
while (true)
Task.Run(async () =>
TcpClient client = await listener.AcceptTcpClientAsync();
LoggingProvider.Logger.Info(string.Format("Client connected. Address='{0}'", client.Client.RemoteEndPoint.ToString()));
NetworkStream networkStream = client.GetStream();
StreamReader reader = new StreamReader(networkStream);
StreamWriter writer = new StreamWriter(networkStream);
writer.AutoFlush = true;
string input = string.Empty;
while (true)
try
char[] receivedChars = new char[client.ReceiveBufferSize];
LoggingProvider.Logger.Info("Buffer size: " + client.ReceiveBufferSize);
int readedChars = reader.Read(receivedChars, 0, client.ReceiveBufferSize);
char[] validChars = new char[readedChars];
Array.ConstrainedCopy(receivedChars, 0, validChars, 0, readedChars);
input = new string(validChars);
LoggingProvider.Logger.Info("This is what the host sent to you: " + input+". Readed chars=" + readedChars);
try
string orderResultFormat = Encoding.ASCII.GetString(Encoding.ASCII.GetBytes("\xB")) + @"MSH|^~\&|Instrument|Laboratory|LIS|LIS Facility|20120427123212+0100||ORL^O34^ORL_O34| 11|P|2.5.1||||||UNICODE UTF-8|||LAB-28^IHE" + Environment.NewLine + "MSA|AA|10" + Environment.NewLine + @"PID|||patientId||""""||19700101|M" + Environment.NewLine + "SPM|1|sampleId&ROCHE||ORH^^HL70487|||||||P^^HL70369" + Environment.NewLine + "SAC|||sampleId" + Environment.NewLine + "ORC|OK|orderId|||SC||||20120427123212" + Encoding.ASCII.GetString(Encoding.ASCII.GetBytes("\x1c\x0d"));
writer.Write(orderResultFormat);
catch (Exception e)
LoggingProvider.Logger.Exception("Unexpected exception while writting the response", e);
client.Close();
break;
catch (Exception ex)
LoggingProvider.Logger.Exception("Unexpected exception while Reading the request", ex);
client.Close();
break;
}).Wait();
public override bool OnStart()
// Set the maximum number of concurrent connections
ServicePointManager.DefaultConnectionLimit = 12;
DiagnosticMonitor.Start("Microsoft.WindowsAzure.Plugins.Diagnostics.ConnectionString");
RoleEnvironment.Changing += RoleEnvironment_Changing;
return base.OnStart();
private void RoleEnvironment_Changing(object sender, RoleEnvironmentChangingEventArgs e)
// If a configuration setting is changing
LoggingProvider.Logger.Info("RoleEnvironment is changing....");
if (e.Changes.Any(change => change is RoleEnvironmentConfigurationSettingChange))
// Set e.Cancel to true to restart this role instance
e.Cancel = true;
As you can see, nothing special is being done. I've used the RoleEnvironment.CurrentRoleInstance.InstanceEndpoints to retrieve the current IPEndpoint.
Running the Cloud Service in the Windows Azure Compute Emulator everything works fine, but when I deploy it in Azure, then I receive the following Exception:
2014-08-06 14:55:23,816 [Role Start Thread] INFO EMAC Log - TcpListenerWorkerRole entry point called
2014-08-06 14:55:24,145 [Role Start Thread] INFO EMAC Log - TcpListener started at '100.74.10.55:10100'
2014-08-06 15:06:19,375 [9] INFO EMAC Log - Client connected. Address='196.3.50.254:51934'
2014-08-06 15:06:19,375 [9] INFO EMAC Log - Buffer size: 65536
2014-08-06 15:06:45,491 [9] FATAL EMAC Log - Unexpected exception while Reading the request
System.IO.IOException: Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host. ---> System.Net.Sockets.SocketException: An existing connection was forcibly closed by the remote host
at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)
--- End of inner exception stack trace ---
at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)
at System.IO.StreamReader.ReadBuffer(Char[] userBuffer, Int32 userOffset, Int32 desiredChars, Boolean& readToUserBuffer)
at System.IO.StreamReader.Read(Char[] buffer, Int32 index, Int32 count)
at TcpListenerWorkerRole.WorkerRole.<>c__DisplayClass0.<<Run>b__2>d__0.MoveNext() in C:\Work\Own projects\EMAC\AzureCloudEmac\TcpListenerWorkerRole\WorkerRole.cs:line 60
I've already tried to configure an internal port in the ServiceDefinition.csdef file, but I get the same exception there.
As you can see, the client can connect to the service (the log shows the message: Client connected with the address) but when it tries to read the bytes from the stream, it throws the exception.
For me it seems like Azure is preventing the retrieval of the message. I've tried to disable the Firewall in the VM in Azure and the same continues happening.
I'm using Windows Azure SDK 2.3
Any help will be very very welcome!
Thanks in advance!
Javier
En caso de que la respuesta te sirva, porfavor, márcala como válida
Muchas gracias y suerte!
Javier Jiménez Roda
Blog: http://jimenezroda.wordpress.comhi Javier,
I changed your code like this:
private AutoResetEvent connectionWaitHandle = new AutoResetEvent(false);
public override void Run()
TcpListener listener = null;
try
listener = new TcpListener(
RoleEnvironment.CurrentRoleInstance.InstanceEndpoints["Endpoint"].IPEndpoint);
listener.ExclusiveAddressUse = false;
listener.Start();
catch (SocketException se)
return;
while (true)
IAsyncResult result = listener.BeginAcceptTcpClient(HandleAsyncConnection, listener);
connectionWaitHandle.WaitOne();
The HandleAsync method is your "While (true)" code:
private void HandleAsyncConnection(IAsyncResult result)
TcpListener listener = (TcpListener)result.AsyncState;
TcpClient client = listener.EndAcceptTcpClient(result);
connectionWaitHandle.Set();
NetworkStream netStream = client.GetStream();
StreamReader reader = new StreamReader(netStream);
StreamWriter writer = new StreamWriter(netStream);
writer.AutoFlush = true;
string input = string.Empty;
try
char[] receivedChars = new char[client.ReceiveBufferSize];
// LoggingProvider.Logger.Info("Buffer size: " + client.ReceiveBufferSize);
int readedChars = reader.Read(receivedChars, 0, client.ReceiveBufferSize);
char[] validChars = new char[readedChars];
Array.ConstrainedCopy(receivedChars, 0, validChars, 0, readedChars);
input = new string(validChars);
// LoggingProvider.Logger.Info("This is what the host sent to you: " + input + ". Readed chars=" + readedChars);
try
string orderResultFormat = Encoding.ASCII.GetString(Encoding.ASCII.GetBytes("\xB")) + @"MSH|^~\&|Instrument|Laboratory|LIS|LIS Facility|20120427123212+0100||ORL^O34^ORL_O34| 11|P|2.5.1||||||UNICODE UTF-8|||LAB-28^IHE" + Environment.NewLine + "MSA|AA|10" + Environment.NewLine + @"PID|||patientId||""""||19700101|M" + Environment.NewLine + "SPM|1|sampleId&ROCHE||ORH^^HL70487|||||||P^^HL70369" + Environment.NewLine + "SAC|||sampleId" + Environment.NewLine + "ORC|OK|orderId|||SC||||20120427123212" + Encoding.ASCII.GetString(Encoding.ASCII.GetBytes("\x1c\x0d"));
writer.Write(orderResultFormat);
catch (Exception e)
// LoggingProvider.Logger.Exception("Unexpected exception while writting the response", e);
client.Close();
catch (Exception ex)
//LoggingProvider.Logger.Exception("Unexpected exception while Reading the request", ex);
client.Close();
Please try it. For this error message, I suggest you could refer to this thread (http://stackoverflow.com/questions/6173763/using-windows-azure-to-use-as-a-tcp-server
) and this post (http://stackoverflow.com/a/5420788).
Regards,
Will
We are trying to better understand customer views on social support experience, so your participation in this interview project would be greatly appreciated if you have time. Thanks for helping make community forums a great place.
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HERE to participate the survey. -
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Thank you and best regards, ChristianHello Jens and Christian,
Thanks very much for your help.
Could you help me check where the problem is ? My detail step is as below:
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2. IF_FPM_GUIBB_FORM~GET_DEFINITION
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FIELD-SYMBOLS: <ls_new_field_descr> TYPE fpmgb_s_formfield_descr.
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<ls_new_field_descr>-visibility = '01'.
<ls_new_field_descr>-default_display_type = 'IN'.
UNASSIGN <ls_new_field_descr>.
APPEND INITIAL LINE TO et_field_description ASSIGNING <ls_new_field_descr>.
<ls_new_field_descr>-name = 'UPLOAD_FILE'.
<ls_new_field_descr>-label_by_ddic = 'X'.
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Incoming IDOC Error "No batch input data from the screen SAPMV45A 4001"
Hello ,
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Thanks in advance.
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Check this link where the same topic was discussed
[ VA01/VA02: batch-input error in IDoc processing|http://www.sapfans.com/forums/viewtopic.php?f=21&t=313032]
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ADF method call to fetch data from DB before the initiator page loads
Hello everyone
I'm developing an application using Oracle BPM 11.1.1.6.0 and JDeveloper 11.1.1.6.0
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It was possible to have a service task before the initiator task in JDeveloper 11.1.1.5.0, but I have moved to 11.1.1.6.0 and it clearly mentions this to be an illegal way.
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Re: Using Service Task Activity before Initiator Task issue
Can anyone show me the way?
Thanks in advanceThanks Sudipto
I checked that article however I think I might be able to do what I want using ADF BC.
See, what I'm trying to do is to get a record from a database and show it to the user on the initiator UI.
I have been able to work with ADF BC and View Objects to get all the rows and show them to the user in a table.
However, when I try to run the same query in the parameterized form to just return a single row, I hit a wall.
In short, My problem is like this:
I have an Application Module which has an entity object and a view object.
My database is SQL Server 2008.
when I try to create a new read only view object to return a single row I face the problem.
The query I have in the query section of my View Object is like this:
select *
from dbo.Employee
where EmployeeCode= 99which works fine.
However when I define a bind variable, input_code for example, and change the query to the following it won't validate.
select *
from dbo.Employee
where EmployeeCode= :input_codeIt just keeps saying incorrect syntax near ":" I don't know if this has to do with my DB not being Oracle or I'm doing something wrong.
Can you help me with this problem please?
thanks again
bye -
Best way to push change data from sql server to windows/web application
i apologized that i do not know should i ask this question in this forum or not.
i have win apps which will load all data initially from db and display through grid but from the next time when any data will change in db or any data will be inserted newly in db then only change or newly inserted data need to be pushed from db side to
my win apps. now only sql dependency class is coming to my mind but there is a problem regarding sql dependency class that it notify client but do not say which data is updated or inserted.
so i am looking for best guidance and easy way to achieve my task. what will be the best way to push data from sql server to win or web client.
there is two issue
1) how to determine data change or data insert. i guess that can be handle by trigger
2) next tough part is how very easily push those data from sql server end to win apps end.
so looking for expert guide. thanksHello,
Yes, you can create DML trigger on INSERT and UPDATE to get the changed data into a temp table. And then query the temp table from application.
If you are use SQL Server 2008 or later version, you can also try to use
Change data capture, which
can track insert, update, and delete activity that is applied to a SQL Server table and store the changed values on the Change Table.
Regards,
Fanny Liu
Fanny Liu
TechNet Community Support -
Iphone6 doesn't play music (have tried obvious things like volume etc and plugged in headphones, connected to a speaker via bluetooth, and tried to play from the inbuilt speaker). Does anyone know what the problem is and how it can be resolved?
You can't buy the part from Creative as a spare.
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after i erased whole data from the ipod touch 3rd gen. when i put back to sync it. it says in the windows connect to itunes, which i did,i also installed new itunes but still it doesnt recognise . pls help me if u have gone thru same trouble like me
ThanksI do not understand what "it says in the windows connect to itunes" means?
What is "it" and what is "windows"?
Maybe:
iOS: Device not recognized in iTunes for Mac OS X
Or
See
iOS: Device not recognized in iTunes for Windows
- I would start with
Removing and Reinstalling iTunes, QuickTime, and other software components for Windows XP
or
Removing and reinstalling iTunes and other software components for Windows Vista, Windows 7, or Windows 8
However, after your remove the Apple software components also remove the iCloud Control Panel via Windows Programs and Features app in the Window Control Panel. Then reinstall all the Apple software components
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iOS: Device not recognized in iTunes for Windows
paying special attention to item #5
- New cable and different USB port
- Run this and see if the results help with determine the cause
iTunes for Windows: Device Sync Tests
Also see:
iPod not recognised by windows iTunes
Troubleshooting issues with iTunes for Windows updates
- Try on another computer to help determine if computer or iPod problem -
I have an Ipod Touch 4G, Although I have tried two connection leads to the computer, it comes up with the message ' Itunes could not connect to "Dads Ipod" because an invalid response was received from the device'. I can access the contents of the device via the connection leads using 'My Computer' but not through Itunes as the message always appears!! Using WinVista Homebasic. Is this a known fault with the Ipod4 and VISTA? It works okay on a laptop, however, I would like an expert to take me through the steps to sort out my home desktop computer? Please help? Thanks in advance
ITry this previous discussion:
https://discussions.apple.com/message/11240674#11240674 -
Connect to a network printer for air print, after disconnect from the wifi iphone keep pop up a message saying the printer is offline. How do I disable this annoying message?
Hey ronniefai,
Thanks for the question. I understand you are receiving a prompt that your printer is offline. This may be due to a printing job that is currently in the queue. Are you able to see the print summary when following these steps?:
Viewing the Print Summary
You can view the Print Summary by double-tapping the Home button and swiping to the right to reveal Printer Center. Then tap Print Center.
Note: Print Center is available only while printing is in progress.
via AirPrint Basics
http://support.apple.com/kb/HT4356
If so, see if you can cancel the job. If not, what happens when you re-connect to the network that the printer is on?
Thanks,
Matt M.
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