Music Sequencer With Java

Right. I think this is quite incredibly difficult to be accomplished without some fundamental knowledge in java and programming in general but i dont aim to make the new logic studio 8 written in Java, that would be stupid anyway :P . So what i need to do , or what im planning, is a simple sequencer where you can put wav files, edit them and maybe be able to connect my guitar through my soundcard and try to record some stuff. Im thinking this as a project for my dissertation but honestly i need to make some initial planning of requirements and see what im able to accomplish and what im not in order to make up my mind if i can really pull this off or if i should change my plans to something easier. So where do i find some tutorials or maybe if someone could explain me the steps that has to be taken in order to at least make the skeleton of classes etc.. Also im wondering on the routing process and how the channels will communicate inside the sequencer.. maybe i could possibly use jack http://jackaudio.org/intro . I know this is just a huge flow of information and probably some who isnt familiar with music sequencers it might be difficult to understand of what im actually searching so any help from any java devs/audio engineers would be really ideal.
Thanks

Hi !
Great thing !
Regards
ostense

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    com.sap.engine.lib.xml.util.NestedException: java.lang.ClassNotFoundException: Class doesn't have appropriate method! -> java.lang.ClassNotFoundException: Class doesn't have appropriate method! at com.sap.engine.lib.xsl.xpath.functions.JLBFunction.init(JLBFunction.java:273) at com.sap.engine.lib.xsl.xpath.functions.JLBFunction.<init>(JLBFunction.java:63) at com.sap.engine.lib.xsl.xpath.JLBLibrary.getFunction(JLBLibrary.java:107) at com.sap.engine.lib.xsl.xpath.LibraryManager.getFunction(LibraryManager.java:76) at com.sap.engine.lib.xsl.xpath.ETFunction.evaluate(ETFunction.java:98) at com.sap.engine.lib.xsl.xpath.ETFunction.evaluate(ETFunction.java:83) at com.sap.engine.lib.xsl.xpath.XPathProcessor.innerProcess(XPathProcessor.java:56) at com.sap.engine.lib.xsl.xpath.XPathProcessor.process(XPathProcessor.java:43) at com.sap.engine.lib.xsl.xpath.XPathProcessor.process(XPathProcessor.java:51) at com.sap.engine.lib.xsl.xslt.XSLVariable.process(XSLVariable.java:132) at com.sap.engine.lib.xsl.xslt.XSLNode.processFromFirst(XSLNode.java:296) at com.sap.engine.lib.xsl.xslt.XSLTemplate.process(XSLTemplate.java:272) at com.sap.engine.lib.xsl.xslt.XSLStylesheet.process(XSLStylesheet.java:463) at com.sap.engine.lib.xsl.xslt.XSLStylesheet.process(XSLStylesheet.java:431) at com.sap.engine.lib.xsl.xslt.XSLStylesheet.process(XSLStylesheet.java:394) at com.sap.engine.lib.jaxp.TransformerImpl.transformWithStylesheet(TransformerImpl.java:398) at com.sap.engine.lib.jaxp.TransformerImpl.transform(TransformerImpl.java:240) at com.sap.aii.ibrep.server.mapping.ibrun.RepMappingTransformer.transform(RepMappingTransformer.java:150) at com.sap.aii.ibrep.server.mapping.ibrun.RepXSLTMapping.execute(RepXSLTMapping.java:81) at com.sap.aii.ibrep.server.mapping.ibrun.RepSequenceMapping.execute(RepSequenceMapping.java:54) at com.sap.aii.ibrep.server.mapping.ibrun.RepMappingHandler.run(RepMappingHandler.java:80) at com.sap.aii.ibrep.server.mapping.rt.MappingHandlerAdapter.run(MappingHandlerAdapter.java:107) at com.sap.aii.ibrep.server.mapping.ServerMapService.transformInterfaceMapping(ServerMapService.java:127) at com.sap.aii.ibrep.server.mapping.ServerMapService.transform(ServerMapService.java:104) at com.sap.aii.ibrep.sbeans.mapping.MapServiceBean.transform(MapServiceBean.java:40) at com.sap.aii.ibrep.sbeans.mapping.MapServiceRemoteObjectImpl0.transform(MapServiceRemoteObjectImpl0.java:167) at com.sap.aii.ibrep.sbeans.mapping.MapServiceRemoteObjectImpl0p4_Skel.dispatch(MapServiceRemoteObjectImpl0p4_Skel.java:104) at com.sap.engine.services.rmi_p4.DispatchImpl._runInternal(DispatchImpl.java:320) at com.sap.engine.services.rmi_p4.DispatchImpl._run(DispatchImpl.java:198) at com.sap.engine.services.rmi_p4.server.P4SessionProcessor.request(P4SessionProcessor.java:129) at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33) at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41) at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37) at java.security.AccessController.doPrivileged(Native Method) at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:100) at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:170) -
    at com.sap.engine.lib.xsl.xpath.functions.JLBFunction.<init>(JLBFunction.java:65) at com.sap.engine.lib.xsl.xpath.JLBLibrary.getFunction(JLBLibrary.java:107) at com.sap.engine.lib.xsl.xpath.LibraryManager.getFunction(LibraryManager.java:76) at com.sap.engine.lib.xsl.xpath.ETFunction.evaluate(ETFunction.java:98) at com.sap.engine.lib.xsl.xpath.ETFunction.evaluate(ETFunction.java:83) at com.sap.engine.lib.xsl.xpath.XPathProcessor.innerProcess(XPathProcessor.java:56) at com.sap.engine.lib.xsl.xpath.XPathProcessor.process(XPathProcessor.java:43) at com.sap.engine.lib.xsl.xpath.XPathProcessor.process(XPathProcessor.java:51) at com.sap.engine.lib.xsl.xslt.XSLVariable.process(XSLVariable.java:132) at com.sap.engine.lib.xsl.xslt.XSLNode.processFromFirst(XSLNode.java:296) at com.sap.engine.lib.xsl.xslt.XSLTemplate.process(XSLTemplate.java:272) at com.sap.engine.lib.xsl.xslt.XSLStylesheet.process(XSLStylesheet.java:463) at com.sap.engine.lib.xsl.xslt.XSLStylesheet.process(XSLStylesheet.java:431) at com.sap.engine.lib.xsl.xslt.XSLStylesheet.process(XSLStylesheet.java:394) at com.sap.engine.lib.jaxp.TransformerImpl.transformWithStylesheet(TransformerImpl.java:398) at com.sap.engine.lib.jaxp.TransformerImpl.transform(TransformerImpl.java:240) at com.sap.aii.ibrep.server.mapping.ibrun.RepMappingTransformer.transform(RepMappingTransformer.java:150) at com.sap.aii.ibrep.server.mapping.ibrun.RepXSLTMapping.execute(RepXSLTMapping.java:81) at com.sap.aii.ibrep.server.mapping.ibrun.RepSequenceMapping.execute(RepSequenceMapping.java:54) at com.sap.aii.ibrep.server.mapping.ibrun.RepMappingHandler.run(RepMappingHandler.java:80) at com.sap.aii.ibrep.server.mapping.rt.MappingHandlerAdapter.run(MappingHandlerAdapter.java:107) at com.sap.aii.ibrep.server.mapping.ServerMapService.transformInterfaceMapping(ServerMapService.java:127) at com.sap.aii.ibrep.server.mapping.ServerMapService.transform(ServerMapService.java:104) at com.sap.aii.ibrep.sbeans.mapping.MapServiceBean.transform(MapServiceBean.java:40) at com.sap.aii.ibrep.sbeans.mapping.MapServiceRemoteObjectImpl0.transform(MapServiceRemoteObjectImpl0.java:167) at com.sap.aii.ibrep.sbeans.mapping.MapServiceRemoteObjectImpl0p4_Skel.dispatch(MapServiceRemoteObjectImpl0p4_Skel.java:104) at com.sap.engine.services.rmi_p4.DispatchImpl._runInternal(DispatchImpl.java:320) at com.sap.engine.services.rmi_p4.DispatchImpl._run(DispatchImpl.java:198) at com.sap.engine.services.rmi_p4.server.P4SessionProcessor.request(P4SessionProcessor.java:129) at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33) at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41) at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37) at java.security.AccessController.doPrivileged(Native Method) at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:100) at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:170) Caused by: java.lang.ClassNotFoundException: Class doesn't have appropriate method! at com.sap.engine.lib.xsl.xpath.functions.JLBFunction.init(JLBFunction.java:273) at com.sap.engine.lib.xsl.xpath.functions.JLBFunction.<init>(JLBFunction.java:63) ... 34 more
    17:44:11 End of test
    Thanks in advance,
    Mona

    Hi,
    Thanks to all who replied.
    I solved the problem.
    I was calling the java method from XSLT without passing any arguement.
    I realised that the java methods called from XSLT should always have input parameter. So i changed the javamethod call from
    public static String getCurrentRecNo() to public static String getCurrentRecNo(Object test)
    and it worked.
    Can anybody explain me why java methods called from XSLT should always have an input arguement.
    Thanks
    Mona

  • Problems with Java DOM Mapping

    Hi Experts,
    as part of my diploma-thesis I have to write a java DOM-Mapping, which mapps the following incoming message:
    <mt_MappingOUT>
    <set>
    <set_Element_01>...</set_Element_01>
    <set_Element_02>... </set_Element_02>
    <set_Element_03>... </set_Element_02>
    <set_Element_10>  </set_Element_10>
    </set>
    </mt_MappingOUT>
    to the following outgoinig message:
    <mt_MappingIN>
    <TABLE>
    <item>
    <item_FIELD_01>  </item_FIELD_01>
    <item_FIELD_10>  <item_FIELD_10>
    <i/tem>
    </TABLE>
    </mt_MappingIN>
    I am not a very experienced Java-Developer. You can see my code down there, which I tried to implement according to some bloggs; unfortunately the result is not what I want to have
    import java.io.FileInputStream;
    import java.io.FileOutputStream;
    import java.io.IOException;
    import java.io.InputStream;
    import java.io.OutputStream;
    import java.util.Map;
    import javax.xml.parsers.DocumentBuilder;
    import javax.xml.parsers.DocumentBuilderFactory;
    import javax.xml.parsers.ParserConfigurationException;
    import javax.xml.transform.Transformer;
    import javax.xml.transform.TransformerFactory;
    import javax.xml.transform.dom.DOMSource;
    import javax.xml.transform.stream.StreamResult;
    import org.w3c.dom.Document;
    import org.w3c.dom.Element;
    import org.w3c.dom.Node;
    import org.w3c.dom.NodeList;
    import org.w3c.dom.Text;
    import org.xml.sax.SAXException;
    import com.sap.aii.mapping.api.StreamTransformation;
    import com.sap.aii.mapping.api.StreamTransformationException;
    public class DOMMAPPING implements StreamTransformation{
         public static void main(String[] args) throws Exception
              try
                   FileInputStream fin =
                        new FileInputStream("C:/mt_MappingOut.xml");
                   FileOutputStream fout =
                        new FileOutputStream("C:/target.xml");
                   DOMMAPPING mapping = new DOMMAPPING();
                   mapping.execute(fin, fout);
              catch (Exception e)          {
                   e.printStackTrace();
    public void setParameter (Map param) {}
    public void execute (InputStream in, OutputStream out)
         throws com.sap.aii.mapping.api.StreamTransformationException {
              DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
              Document documentIn = null;
              DocumentBuilder builder = null;
              try {
                        builder = factory.newDocumentBuilder();
                   } catch (ParserConfigurationException e1) {
                        e1.printStackTrace();
              try {
                   Element itemNode = null;
                   NodeList[] list_f=new NodeList[10];
                   Element[] field=new Element[10];
                   documentIn = builder.parse(in);
                   Document documentOut = builder.newDocument();
                   Element rootNode = documentOut.createElementNS("urn:agrp:xi:geissseb","ns0:mt_MappingIn");
                   documentOut.appendChild(rootNode);
                   Element tableNode = documentOut.createElement("TABLE");
                   rootNode.appendChild(tableNode);
                   NodeList list_Set=documentIn.getElementsByTagName("set");
                   System.out.println(list_Set.getLength());
                   for(int j=1;j<10;j++){
                        list_f[j-1]=documentIn.getElementsByTagName("set_ELEMENT_01"+j);
                list_f[9]=documentIn.getElementsByTagName("set_ELEMENT_10");
                   //NodeList list_f01=documentIn.getElementsByTagName("f01");
                   for (int i=0;i<list_Set.getLength();i++)
                        itemNode=documentOut.createElement("item");
                        tableNode.appendChild(itemNode);
                        for(int k=0; k<10;k++){
                             Node f=list_f[k].item(i);
                             f=f.getFirstChild();
                             String str_f=f.getNodeValue();
                             Text text_f=documentOut.createTextNode(str_f);
                             field[k]=documentOut.createElement("item_FIELD_"(k1));
                             field[k].appendChild(text_f);
                             itemNode.appendChild(field[k]);
                   TransformerFactory tf = TransformerFactory.newInstance();
                   Transformer transform = tf.newTransformer();
                   transform.transform(new DOMSource(documentOut), new StreamResult(out));
                   } catch (SAXException e2) {
                        e2.printStackTrace();
                   } catch (IOException e2) {
                        e2.printStackTrace();
                   }catch (Throwable t) { throw new StreamTransformationException("error", t); }
    Unfortunately there seems to be at least one error in there because the result I get is just the following:
      <?xml version="1.0" encoding="UTF-8" standalone="no" ?>
    - <ns0:mt_MappingIn xmlns:ns0="urn:agrp:xi:geissseb">
      <TABLE />
      </ns0:mt_MappingIn>
    Below you will find my source message:
    <?xml version="1.0" encoding="UTF-8" ?>
    - <xsd:schema targetNamespace="urn:agrp:xi:geissseb" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="urn:agrp:xi:geissseb">
      <xsd:element name="mt_MappingOut" type="dt_MappingOut" />
    - <xsd:complexType name="dt_MappingOut">
    - <xsd:annotation>
      <xsd:appinfo source="http://sap.com/xi/TextID">a7a28830bebf11dc81aa001a4b0af224</xsd:appinfo>
      </xsd:annotation>
    - <xsd:sequence>
    - <xsd:element name="Set">
    - <xsd:annotation>
      <xsd:appinfo source="http://sap.com/xi/TextID">0b366510aeda11dcb3bb00174205b856</xsd:appinfo>
      </xsd:annotation>
    - <xsd:complexType>
    - <xsd:sequence>
    - <xsd:element name="f01" type="xsd:string">
    - <xsd:annotation>
      <xsd:appinfo source="http://sap.com/xi/TextID">0b366511aeda11dcaf2600174205b856</xsd:appinfo>
      </xsd:annotation>
      </xsd:element>
    - <xsd:element name="set_ELEMENT_02" type="xsd:string">
    - <xsd:annotation>
      <xsd:appinfo source="http://sap.com/xi/TextID">0b366512aeda11dc84d400174205b856</xsd:appinfo>
      </xsd:annotation>
      </xsd:element>
    - <xsd:element name="set_ELEMENT_03" type="xsd:string">
    - <xsd:annotation>
      <xsd:appinfo source="http://sap.com/xi/TextID">0b366513aeda11dcbcab00174205b856</xsd:appinfo>
      </xsd:annotation>
      </xsd:element>
    - <xsd:element name="set_ELEMENT_04" type="xsd:string">
    - <xsd:annotation>
      <xsd:appinfo source="http://sap.com/xi/TextID">0b366514aeda11dc96a300174205b856</xsd:appinfo>
      </xsd:annotation>
      </xsd:element>
    - <xsd:element name="set_ELEMENT_05" type="xsd:string">
    - <xsd:annotation>
      <xsd:appinfo source="http://sap.com/xi/TextID">0b366515aeda11dca77700174205b856</xsd:appinfo>
      </xsd:annotation>
      </xsd:element>
    - <xsd:element name="set_ELEMENT_06" type="xsd:string">
    - <xsd:annotation>
      <xsd:appinfo source="http://sap.com/xi/TextID">0b366516aeda11dc8f7d00174205b856</xsd:appinfo>
      </xsd:annotation>
      </xsd:element>
    - <xsd:element name="set_ELEMENT_07" type="xsd:string">
    - <xsd:annotation>
      <xsd:appinfo source="http://sap.com/xi/TextID">0b366517aeda11dcc24b00174205b856</xsd:appinfo>
      </xsd:annotation>
      </xsd:element>
    - <xsd:element name="set_ELEMENT_08" type="xsd:string">
    - <xsd:annotation>
      <xsd:appinfo source="http://sap.com/xi/TextID">0b366518aeda11dc92cd00174205b856</xsd:appinfo>
      </xsd:annotation>
      </xsd:element>
    - <xsd:element name="set_ELEMENT_09" type="xsd:string">
    - <xsd:annotation>
      <xsd:appinfo source="http://sap.com/xi/TextID">0b366519aeda11dcc9b100174205b856</xsd:appinfo>
      </xsd:annotation>
      </xsd:element>
    - <xsd:element name="set_ELEMENT_10" type="xsd:string">
    - <xsd:annotation>
      <xsd:appinfo source="http://sap.com/xi/TextID">0b36651aaeda11dcc5a700174205b856</xsd:appinfo>
      </xsd:annotation>
      </xsd:element>
      </xsd:sequence>
      </xsd:complexType>
      </xsd:element>
      </xsd:sequence>
      </xsd:complexType>
      </xsd:schema>
    When I had problems withe Java SAX Mapping, I got great hints in the forum. So I hope you can help me out again...
    Cheers Sebastian

    Here you go.
    Code
    package com.sap.test;
    import java.io.FileInputStream;
    import java.io.FileOutputStream;
    import java.io.IOException;
    import java.io.InputStream;
    import java.io.OutputStream;
    import java.util.Map;
    import javax.xml.parsers.DocumentBuilder;
    import javax.xml.parsers.DocumentBuilderFactory;
    import javax.xml.parsers.ParserConfigurationException;
    import javax.xml.transform.Transformer;
    import javax.xml.transform.TransformerFactory;
    import javax.xml.transform.dom.DOMSource;
    import javax.xml.transform.stream.StreamResult;
    import org.apache.crimson.tree.TextNode;
    import org.w3c.dom.Document;
    import org.w3c.dom.Element;
    import org.w3c.dom.Node;
    import org.w3c.dom.NodeList;
    import org.w3c.dom.Text;
    import org.xml.sax.SAXException;
    import com.sap.aii.mapping.api.StreamTransformationException;
    public class DomTest {
         Document documentOut = null;
         public static void main(String[] args) throws Exception
         try
         FileInputStream fin =      new FileInputStream("test.xml");
         FileOutputStream fout = new FileOutputStream("test_out.xml");
         DomTest mapping = new DomTest();
         mapping.execute(fin, fout);
         catch (Exception e) {
         e.printStackTrace();
         public void setParameter (Map param) {}
         public void execute (InputStream in, OutputStream out)
         throws com.sap.aii.mapping.api.StreamTransformationException {
         DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
         Document documentIn = null;
         DocumentBuilder builder = null;
         try {
         builder = factory.newDocumentBuilder();
         } catch (ParserConfigurationException e1) {
         e1.printStackTrace();
         try {
         Element itemNode = null;
         //NodeList[] list_f=new NodeList10;
         //Element[] field=new Element10;
         documentIn = builder.parse(in);
         documentOut = builder.newDocument();
         Element rootNode = documentOut.createElementNS("urn:agrp:xi:geissseb","ns0:mt_MappingIn");
         rootNode.setAttribute("xmlns:ns0", "urn:agrp:xi:geissseb");
         documentOut.appendChild(rootNode);
         Element tableNode = documentOut.createElement("TABLE");
         rootNode.appendChild(tableNode);
         NodeList list_Set = documentIn.getElementsByTagName("set");
         System.out.println(list_Set.getLength());
         for(int j = 0 ; j < list_Set.getLength() ;j++){
              Element setNode = (Element)list_Set.item(j);
              NodeList children = setNode.getChildNodes();
              for(int index = 0; index < children.getLength(); index++)
                   Node child = children.item(index);
                   if (child instanceof Element) {
                        Element element = (Element) child;
                        if(element.getNodeName().startsWith("set_ELEMENT"))
                             createItemFeildNode(tableNode,element);
         //list_f[9]=documentIn.getElementsByTagName("set_ELEMENT_10");
    //     NodeList list_f01=documentIn.getElementsByTagName("f01");
         /*for (int i=0;i<list_Set.getLength();i++)
         itemNode=documentOut.createElement("item");
         tableNode.appendChild(itemNode);
         for(int k=0; k<10;k++){
         Node f=list_f[k].item(i);
         f=f.getFirstChild();
         String str_f=f.getNodeValue();
         Text text_f=documentOut.createTextNode(str_f);
         field[k]=documentOut.createElement("item_FIELD_"(k1));
         field[k].appendChild(text_f);
         itemNode.appendChild(field[k]);
         TransformerFactory tf = TransformerFactory.newInstance();
         Transformer transform = tf.newTransformer();
         transform.transform(new DOMSource(documentOut), new StreamResult(out));
         transform.transform(new DOMSource(documentOut), new StreamResult(System.out));
         } catch (SAXException e2) {
         e2.printStackTrace();
         } catch (IOException e2) {
         e2.printStackTrace();
         }catch (Throwable t) { throw new StreamTransformationException("error", t); }
         private void createItemFeildNode(Element root, Element element) {
              String inName = element.getNodeName();
              int temp = inName.lastIndexOf('_');
              if (temp == -1)
                   return;
              String index = inName.substring(temp+1);
              String nodeName = "Item_FIELD_" + index;
              String nodeVal = element.getFirstChild().getNodeValue();
              Element newElement = documentOut.createElement(nodeName);
              Text txtNode = documentOut.createTextNode(nodeVal);
              newElement.appendChild(txtNode);
              root.appendChild(newElement);          
    Input
    <?xml version="1.0" encoding="UTF-8" ?>
    <mt_MappingOut xmlns="urn:agrp:xi:geissseb" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:agrp:xi:geissseb file:/D:/Eclipse/workspace/SDN/test.xsd">
    <set xmlns="">
      <set_ELEMENT_01>E1</set_ELEMENT_01>
      <set_ELEMENT_02>E2</set_ELEMENT_02>
      <set_ELEMENT_03>E3</set_ELEMENT_03>
      <set_ELEMENT_04>E4</set_ELEMENT_04>
      <set_ELEMENT_05>E5</set_ELEMENT_05>
      <set_ELEMENT_06>E6</set_ELEMENT_06>
      <set_ELEMENT_07>E7</set_ELEMENT_07>
      <set_ELEMENT_08>E8</set_ELEMENT_08>
      <set_ELEMENT_09>E9</set_ELEMENT_09>
      <set_ELEMENT_10>E10</set_ELEMENT_10>
      </set>
      </mt_MappingOut>
    Output
    <?xml version="1.0" encoding="UTF-8" ?>
    <ns0:mt_MappingIn xmlns:ns0="urn:agrp:xi:geissseb">
    <TABLE>
      <Item_FIELD_01>E1</Item_FIELD_01>
      <Item_FIELD_02>E2</Item_FIELD_02>
      <Item_FIELD_03>E3</Item_FIELD_03>
      <Item_FIELD_04>E4</Item_FIELD_04>
      <Item_FIELD_05>E5</Item_FIELD_05>
      <Item_FIELD_06>E6</Item_FIELD_06>
      <Item_FIELD_07>E7</Item_FIELD_07>
      <Item_FIELD_08>E8</Item_FIELD_08>
      <Item_FIELD_09>E9</Item_FIELD_09>
      <Item_FIELD_10>E10</Item_FIELD_10>
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      </ns0:mt_MappingIn>

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    Edited by: user7239022 on 05-ene-2010 7:40
    Edited by: user7239022 on 05-ene-2010 7:49
    Edited by: user7239022 on 05-ene-2010 8:41

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    Darryl.Burke wrote:
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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     

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    ========
    ModelA
    ======
    - 59652 Lakes and 178764 edges
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    5 NULL,
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    7 mdsys.sdo_ordinate_array(
    8 -123.80833332065798,48.58352678668598,
    9 -123.80833332065798,48.675352618459506,
    10 -123.65050767229724,48.675352618459506,
    11 -123.65050767229724,48.58352678668598,
    12 -123.80833332065798,48.58352678668598
    13 )
    14 ), 'mask=ANYINTERACT querytype=WINDOW'
    15 ) = 'TRUE';
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    mdsys.sdo_geometry(
    2003,
    8307,
    NULL,
    mdsys.sdo_elem_info_array(1,1003,1),
    mdsys.sdo_ordinate_array(
    -123.80833332065798,48.58352678668598,
    -123.80833332065798,48.675352618459506,
    -123.65050767229724,48.675352618459506,
    -123.65050767229724,48.58352678668598,
    -123.80833332065798,48.58352678668598
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    ======
    - 1298 Lakes and 3993 edges
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    - its SDO layers and geometries are valid
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    2 mdsys.sdo_geometry(
    3 2003,
    4 8307,
    5 NULL,
    6 mdsys.sdo_elem_info_array(1,1003,1),
    7 mdsys.sdo_ordinate_array(
    8 -123.80833332065798,48.58352678668598,
    9 -123.80833332065798,48.675352618459506,
    10 -123.65050767229724,48.675352618459506,
    11 -123.65050767229724,48.58352678668598,
    12 -123.80833332065798,48.58352678668598
    13 )
    14 ), 'mask=ANYINTERACT querytype=WINDOW'
    15 ) = 'TRUE';
    COUNT(E.SHAPE)
    267
    - when we run the following query via the Java SDO API:
    SELECT e.shape FROM test_edge e WHERE SDO_RELATE(e.shape,
    mdsys.sdo_geometry(
    2003,
    8307,
    NULL,
    mdsys.sdo_elem_info_array(1,1003,1),
    mdsys.sdo_ordinate_array(
    -123.80833332065798,48.58352678668598,
    -123.80833332065798,48.675352618459506,
    -123.65050767229724,48.675352618459506,
    -123.65050767229724,48.58352678668598,
    -123.80833332065798,48.58352678668598
    ), 'mask=ANYINTERACT querytype=WINDOW'
    ) = 'TRUE'
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    Perhaps something internally in the Oracle 9i Server happens that prevent the data being fetch to the JDBCThin for that particular modelA. But what that might be?
    Very peculiar problem!
    Regards,
    Georgi

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    Raj

  • Sir i am using datasocket read ,i am communicating with java but my problem is that bcz im using while loop to see if value has changed my labview consumes all the processors time ,sir i want a event like thing so that while loop is not in continuous loop

    sir i have given lot of effort but i am not able to solve my problem either with notifiers or with occurence fn,probably i do not know how to use these synchronisation tools.

    sir i am using datasocket read ,i am communicating with java but my problem is that bcz im using while loop to see if value has changed my labview consumes all the processors time ,sir i want a event like thing so that while loop is not in continuous loopHi Sam,
    I want to pass along a couple of tips that will get you more and better response on this list.
    1) There is an un-written rule that says more "stars" is better than just one star. Giving a one star rating will probably eliminate that responder from individuals that are willing to anser your question.
    2) If someone gives you an answer that meets your needs, reply to that answer and say that it worked.
    3) If someone suggests that you look at an example, DO IT! LV comes with a wonderful set of examples that demonstate almost all of the core functionality of LV. Familiarity with all of the LV examples will get you through about 80% of the Certified LabVIEW Developer exam.
    4) If you have a question first search the examples for something tha
    t may help you. If you can not find an example that is exactly what you want, find one that is close and post a question along the lines of "I want to do something similar to example X, how can I modify it to do Y".
    5) Some of the greatest LabVIEW minds offer there services and advice for free on this exchange. If you treat them good, they can get you through almost every challenge that can be encountered in LV.
    6) If English is not your native language, post your question in the language you favor. There is probably someone around that can help. "We're big, we're bad, we're international!"
    Trying to help,
    Welcome to the forum!
    Ben
    Ben Rayner
    I am currently active on.. MainStream Preppers
    Rayner's Ridge is under construction

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