How to store counter data

Hi,
I have arranged the circuit seen in attached. At the moment the counter will change from 0 to 1 when the analogue signal from the DAQ changes aka the direction changes from false to true. However I want it to continue to count, 0 to 1 to 2 etc.
What can I do to achieve this?
Thanks.
Solved!
Go to Solution.
Attachments:
Capture.JPG ‏26 KB

Your code should do what you want. I have attached a simulated version of your code. it should continue to count. I do have two questions for you though.
1. What is your false case? It seems like your have the option "use default value if unwired" turned on for the case structure output tunnel. If you don't have a through wire on the false case, you will mess up your counter.
2. Make sure that the subvi that is connected to the case structure is generating the correct boolean event.
Yik
Kudos and Accepted as Solution are welcome!
Attachments:
inc.vi ‏8 KB

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P. Forstmann wrote:
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</div>
<?var_dump($foo);?>
Outputs:
Array (     [0] => {dsCALC::DataPrice} )
If I tried a variable, it works ok... The array, not... Any ideas?

Outputs:
Array (     [0] => {dsCALC::DataPrice} )
And so it should, because that is what you told the PHP-script to do in the following line of code.
$foo[]='{dsCALC::DataPrice}';
Please remember that PHP code is handled on the server, whereas JavaScript (Spry) is handeld on the client (browser) end. JavaScript cannot be handeld by PHP nor can JavaScript handel PHP.
My question to you is, why do you want to store the data in a PHP-array and how is the Spry data obtained?
Ben

Newbie: How to store/analyze data in a time critical path

Hi,
I monitor two CAN channels with LabView. To monitor I use a special PCMCIA card and a dll from the card manufacturer.
I get a lot of messages from each channel and I have to compare them.
To get all messages I have to use the dll in a while loop.
But to store the data in two 2d arrays and analyze it during one loop is to slow.
So how can I do it? Somehow a hash table, queue or parallel tasks - one for the data collecting and one for analyzing?
And how to handle the two CAN channels?
As you can see I'm new in LabView and I'm looking for a good program architecture...
Thanks,
Thomas

Hi Thomas,
You raise a good point, and I'm happy to see that you are wanting to make your LabVIEW code more efficient! In general, you want to avoid building up large arrays in a while loop (as you've already alluded to). I believe a queue is an appropriate data structure to offload the processing of the data to another loop. We usually call this a producer-consumer type architecture, the details of which you can find here:
Application Design Patterns: Producer/Consumer
http://zone.ni.com/devzone/conceptd.nsf/webmain/c54badadd8bbde4286256c5200533b80
You're producer loop will be the code acuiring from the CAN channels using your DLL. The queue will pass data from the producer to the consumer, where you will perform whatever analysis you need.
Have a good one!
Charlie S.
Visit ni.com/gettingstarted for step-by-step help in setting up your system

How to store ASO dat file in different location

Hello Everyone,
i have a requirement where I need to store the .dat(ASO) file in a location other than the folder where the application artifcats are stored. In BSO, We can right click the database, edit, properties and in Storage tab we can choose where Data and Index files have to be stored. Do we have similar option for ASO too? because, the space we have for the application folders are limited and we have a separate SAN drive for storing data and index file and thats where BSO .pag files are stored. Since our ASO cube is growing I want to move the data to a location where BSO data is stored, i mean to the designated drive for data. Any suggestions will be much appreciated.
Thanks.

Yes, ASO has the concept of 'tablespaces'. There are four (default, temp, log and metadata) but you probably just want to move the 'default' and 'temp' tablespaces to your SAN location. Temp will look really small (i.e. empty) until you run a restructure or aggregation and then it'll explode to the size of the default tablespace so it's important not to miss.
See the section on 'Managing Storage for ASO Databases' here http://docs.oracle.com/cd/E17236_01/epm.1112/esb_dbag/asysadmn.html, or the 'alter tablespace' MaxL command here http://docs.oracle.com/cd/E17236_01/epm.1112/esb_tech_ref/maxl_alttabl.html.
EDIT: Actually, looking at the documentation, I see that you can't move the metadata or log tablespaces. But you're probably only going to care about 'default' and 'temp' anyway.

How to store xml data fragments, that will not be queried?

Hello,
Delphi Client application communicates with Java Server application via XML messages. Client sends XML message over HTTP Post method. Java Servlet gets XML message, parses it, performs requested action (select/insert/update/delete), generates resulting response and sends it back to the Client.
I use Oracle DB XE 10.2.
For example: Client sends a request to the server, to append certain Order with new Product info:
Request:
<?xml version="1.0" encoding="UTF-8" ?>
- <Request OrderID="123123123" Action="NewProduct">
- <Product TempProdID="2" ProdName="L01" VisualID="1" Amount="1" TechClass="1" TechSubject="1" TechVersion="0" TechName="TestTech" ElemOk="0">
<Modified UserID="XXX" UserGroup="XXX" GroupLevel="0" />
- <QuickInfo>
<ProdIcon Format="PNG"
Encoding="Base64">iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAIAAAA
lC+aJAAAAA3RSTlP////6yOLMAAAAvElEQVR42u3aQQ6EIAwAQP7/afe0
mo1mBVur0emJgwGmRDFNWwvH9I153OpjyoisefqXW3afm4WypP+MgomvT
z8AAAAAAAAAAAAAAMAzAClzAWQAdvexfqATEKmA/Fm0rYs5ozvoAWyWj4
ZqJ9efQKR8BJAHOPEdKAAc/lLdAhC/K68EBG+JWwAixfABgF8Jf6MAAAA
AAAAAAAAAAAAALwRUGgAAAAAAsgGJ3cfVrcfFl2jiIZzV+V7Zd/8BOtNi
0MnJ58oAAAAASUVORK5CYII=
</ProdIcon>
<Parameters />
</QuickInfo>
- <TechProduct CurVer="1" MinVer="1" TotalItems="330" ItemNodeSize="55074">
- <SubItem Class="TPlGraph" BindID="00B9C004">
<PropList />
- <SubItem Ident="Profiles" Class="TProfileList" Child="1" BindID="0188598C">
<PropList />
- <SubItem Class="TPlProfile" Child="1" BindID="018CA6CC">
- <PropList>
<Property PropIdent="ProfBaze0X" ValText="0" />
<Property PropIdent="ProfBaze0Y" ValText="990" />
<Property PropIdent="ProfBaze1X" ValText="990" />
<Property PropIdent="ProfHier0" ValText="0" />
- <Property PropIdent="InBorder" ValIdent="None" ValText="Nėra">
<ExtValue ColIdent="ItemCode" Value="None" />
<ExtValue ColIdent="Type" Value="" />
<ExtValue ColIdent="Filter" Value="" />
<ExtValue ColIdent="Width" Value="0" />
<ExtValue ColIdent="TechCall" Value="" />
</Property>
</PropList>
</SubItem>
</SubItem>
</SubItem>
</TechProduct>
</Product>
</Request>
I use DOM parsers to parse the received requests, extract certain info and insert it into relational tables using standart SQL queries.
My question is: what is the best way to store XML data fragments, that are not required to be saved relationally? I need to save the content of node <TechProduct> from the above example to relational table's column. There will be no need to query this column, no need to use relational views. I will use it only when Client application will request to modify certain order's product. Then I will have to send back the same <TechProduct> node via XML response.
So what column type do I have to use? CLOB? XMLType? Is it better to use object types? Do I have to register XML Schema for better performance? The size of the fragment can be ~2MB.
Thanks for your help
Message was edited by:
Kichas

Thank you for reply,
As you suggested, I will use XMLType storage as CLOB (without XML Schema).
As I mentioned before, I use Java Servlet, deployed on Tomcat WebServer, to receive XML messages from Client application via HTTP POST method.
I use these libs to get the XML payload and parse it into a Document:
import org.w3c.dom.*;
import org.xml.sax.InputSource;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.DocumentBuilder;
And here is the code:
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
try {
// get the XML payload and parse it into a Document
DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
Document dom;
InputSource input = new InputSource(request.getInputStream());
dom = docBuilder.parse(input);
catch(Exception ex) {
System.out.println("Exception thrown in XmlService");
ex.printStackTrace();
throw new ServletException(ex);
I create a relational table, that contains XMLType column:
CREATE TABLE xwarehouses (
warehouse_id NUMBER,
warehouse_spec XMLTYPE)
XMLTYPE warehouse_spec STORE AS CLOB;
Now I want to insert all DOM Document into XMLType column. So I do like this:
import oracle.xdb.XMLType;
String SQLTEXT = "INSERT INTO XWAREHOUSES (WAREHOUSE_ID, WAREHOUSE_SPEC) VALUES (?, ?)";
XMLType xml = XMLType.createXML(con,dom);
PreparedStatement sqlStatement = con.prepareStatement(SQLTEXT);
sqlStatement.setInt(1,2);
sqlStatement.setObject(2,xml);
sqlStatement.execute();
sqlStatement.close();
dom is the Document, that I got from HTTP Request input stream.
My servlet throws an exception:
java.lang.NoClassDefFoundError: oracle/xml/parser/v2/XMLParseException
at XmlService.GetMatListServiceHandler.processRequest(GetMatListServiceHandler.java:111)
at XmlService.XmlServiceHandler.handleRequest(XmlServiceHandler.java:43)
at XmlService.XmlServiceServlet.doPost(XmlServiceServlet.java:69)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:716)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
why does he needs oracle.xml.parser.v2.XMLParseException? I don't use Oracle parser? Does this code line throws the exception (I am not able to debug my code, because I have not configured JDeveloper to be able to use Remote Debuging):
XMLType xml = XMLType.createXML(con,dom);
Does it reparses the given dom Document or what?. When I deploy xmlparserv2.jar to Tomcat, everything is ok, application inserts XML data into XMLType column.
Is there another way to insert the whole org.w3c.dom Document or Document fragment (that is already parsed) into XMLType column. Can you provide any sample code?
The Document may contain national symbols, so they should be correctly stored and then later retrieved.
Many thanks.

How to store context data into a database table?

Hi All,
I am very new to Web Dynpro ABAP.
I am trying to store context data into database table. For this i need to write some code.
I have created one context attribute to store data and i have one database table.
Know i want to store that context attribute's data into database table.
Can anyone provide me necessary code to do this.
Thanks in Advance!
Regards,
Sreelakshmi.

Hello Sreelakshmi,
i think there would be some button and when u click that, the data of the context need to get saved into the database.
For the button,create an action.
in the action handler write the following code.
DATA lo_nd_kna1 TYPE REF TO if_wd_context_node.
DATA lo_el_kna1 TYPE REF TO if_wd_context_element,
DATA lt_kna1 TYPE wd_this->elements_znode.
DATA ls_kna1 TYPE wd_this->element_znode.
lo_nd_kna1 = wd_context->get_child_node( name = wd_this->wdctx_znode ).
lo_el_kna1 = lo_nd_kna1->get_element( ).
lo_el_kna1->get_static_attributes( IMPORTING static_attributes = ls_kna1 ).
modify kna1 from ls_kna1.
Regards
Sajid

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