Examples of de.desy.tine.client.TLink

de.desy.tine.client.TLink
TLink.java User interface calls to access tine data links. The methods presented here deal with linking local application data with remote data sources. Primarily you will need to create a TLink object, passing the necessary identifying parameters of the remote server to which the link is to be established. When the TLink object is instantiated, you will then need to retrieve the data using one of the retrieval methods, e.g. execute() for synchronous acquisition, or attach() for asynchronous acquisition, or receive() for the acquisition of network globals.

    if (context == null || name == null) return null; 
    if (!isInitialized) initCfgs();
    TDataType dtcfg = new TDataType(mcacfgs);
    String dname = "/" + context + "/HISTORY/" + name;
    String dprop = "CONFIGURATION.MCA";
    TLink tl = new TLink(dname,dprop,dtcfg,null,TAccess.CA_READ);
    int cc = tl.execute(800, true);
    tl.close();
    if (cc != 0)
    { // TODO: throw an exception here
      DbgLog.log("getMcaViewerConfiguration",TErrorList.getErrorString(cc));
      return null;
    }

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    if (context == null || name == null) return TErrorList.argument_list_error; 
    if (!isInitialized) initCfgs();
    TDataType dtcfg = new TDataType(mcaCfgs);
    String dname = "/" + context + "/HISTORY/" + name;
    String dprop = "CONFIGURATION.MCA";
    TLink tl = new TLink(dname,dprop,null,dtcfg,TAccess.CA_WRITE);
    return tl.executeAndClose(800);
  }

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    if (context == null || name == null) return null; 
    if (!isInitialized) initCfgs();
    TDataType dtcfg = new TDataType(mcacfgs);
    String dname = "/" + context + "/STATE/" + name;
    String dprop = "CONFIGURATION";
    TLink tl = new TLink(dname,dprop,dtcfg,null,TAccess.CA_READ);
    int cc = tl.execute(800, true);
    tl.close();
    if (cc != 0)
    { // TODO: throw an exception here
      DbgLog.log("getOperationHistoryConfiguration",TErrorList.getErrorString(cc));
      return null;
    }

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    if (context == null || name == null) return null; 
    if (!isInitialized) initCfgs();
    TDataType dtcfg = new TDataType(prfcfgs);
    String dname = "/" + context + "/STATE/" + name;
    String dprop = "PROFILE";
    TLink tl = new TLink(dname,dprop,dtcfg,null,TAccess.CA_READ);
    int cc = tl.execute(800, true);
    tl.close();
    if (cc != 0)
    { // TODO: throw an exception here
      DbgLog.log("getOperationHistoryProfile",TErrorList.getErrorString(cc));
      return null;
    }

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    startstop[0] = (double)(starttime/1000) + ((double)(starttime%1000)/1000);
    startstop[1] = (double)(stoptime/1000) + ((double)(stoptime%1000)/1000);


    TDataType npts = new TDataType(npoints);
    TDataType din = new TDataType(startstop);
    TLink nl = new TLink(srv,key,npts,din,TAccess.CA_READ);
    cc = nl.execute(1000,true); // number of points in region
    if (cc != 0) return -cc;


    TDataType dout = new TDataType(fiArray);
    TLink tl = new TLink(srv,key,dout,din,TAccess.CA_READ);
    cc = tl.execute(1000,true); // data returned
    if (cc != 0) return -cc;
    
    return npoints[0];
  }

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  }
  private LinkedList<TLink> lnks = new LinkedList<TLink>();
  private byte[] dBytes = new byte[maxPayloadSizeInBytes];
  public TLink[] toStruct(InetAddress gaddr, byte[] data, int length)
  {
    TLink glb;
    boolean isLegacy = false;
    int bytesread = 0;
    int ghdrsize = glbhdrSizeInBytes;
    int nlen = TStrings.KEYWORD_NAME_SIZE;
    TLinkFactory.GlobalInfo gi = tf.getGlobalsInfo(gaddr);

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  }
  private LinkedList<TLink> lnks = new LinkedList<TLink>();
  private byte[] dBytes = new byte[maxPayloadSizeInBytes];
  public TLink[] toStruct(InetAddress gaddr, byte[] data, int length)
  {
    TLink glb;
    boolean isLegacy = false;
    int bytesread = 0;
    int ghdrsize = glbhdrSizeInBytes;
    int nlen = TStrings.KEYWORD_NAME_SIZE;
    TLinkFactory.GlobalInfo gi = tf.getGlobalsInfo(gaddr);

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   */
  public static int systemStartGlobalSynchronization()
  {
    if (gSynchronizationStarted) return 0;
    TDataType sdt = new TDataType(gSyncTimeStamp);
    TLink tl = new TLink("/SITE","SYSTIME",sdt,null,TAccess.CA_READ);
    int id = tl.attach(TMode.CM_GLOBAL, new TSyncCallback(), 1000);
    if (id < 0) return -id;
    gSynchronizationStarted = true;
    return 0;
  }

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    if (context == null) return null;
    if (!isInitialized) initStructs();
    for (DAQRec r : recs) r.clear();
    TDataType dtrecs = new TDataType(recs);
    String dname = "/" + context + "/HISTORY";
    TLink tl = new TLink(dname,"RECORD.INFO",dtrecs,null,TAccess.CA_READ);
    if (tl.executeAndClose(1000) != 0) throw new IOException(tl.getLastError());
    int len = dtrecs.getCompletionLength();
    DAQRec[] results = new DAQRec[len];
    for (int i=0; i<len; i++) results[i] = new DAQRec(recs[i]);
    return results;
  }

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  {
    if (context == null || recs == null) return TErrorList.argument_list_error;
    if (!isInitialized) initStructs();
    TDataType dtrecs = new TDataType(recs);
    String dname = "/" + context + "/HISTORY";
    TLink tl = new TLink(dname,"RECORD.INFO",null,dtrecs,TAccess.CA_WRITE);
    int cc = tl.executeAndClose(2000);
    if (cc == TErrorList.connection_timeout || cc == TErrorList.link_timeout)
      throw new IOException(tl.getLastError());
    return cc;
  }

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