Serialized and unserialized

Hi,
Would someone give me examples of serialized and unserialized delta? What are serialized and unserialized deltas?
Also, For direct delta, how would you determine if your system does not have lots of movement in posting documents? Is there some kind of formula to determine this?
Thanks
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Hi ,
<b>Serialized V3 Update</b>
Here each document posting is updated in application tables using V1 update and V2 fills statistical table . Then a special table called Update tables are filled , The document is stored in the order of creation Serial order . From there the data is take using Init / Full upload request from BW .
This method is not used now for the follwing reason :
The serialized V3 update can only guarantee the correct sequence of extraction data in a document if the document has not been changed twice in one second.
Furthermore, the serialized V3 update can only ensure that the extraction data of a document is in the correct sequence if the times have been synchronized exactly on all system instances since the time of the update record ( Appl server )
<b>Unserialized V3 update</b>
With this update mode, the extraction data of the application in question continues to be written to the update tables using a V3 update module and is retained there until the data is read and processed by a collective update run.
However, unlike the current default values (serialized V3 update), the data is read in the update collective run (without taking the sequence from the update tables into account) and then transferred to the BW delta queues.

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Problem serializing and unSerializing.

Hello,
I am experiencing some problems with a client/server application I am writing.
After I open a Socket the server application has to send to the client a comment and an object in certain time intervals.
Here is the code on the server side:
    class Client {
         Socket client;
         BufferedReader in;
     PrintStream out;
         public Client (Socket client){
              this.client = client;
              System.out.println("New Connection: " + client.getInetAddress() + ":" + client.getPort());
              try{
                   in = new BufferedReader(new InputStreamReader(client.getInputStream()));
                   out = new PrintStream(client.getOutputStream(),true);
              } catch(IOException e){
                   System.out.println(e.getMessage());
         public boolean send(Object obj,String name){
              try{
                   System.out.println("Sending Obj: " + name);
                   out.println("Sending\t"+obj.getClass().getName()+"\t"+name);
                   ObjectOutputStream outS = new ObjectOutputStream(client.getOutputStream());
                   outS.writeObject(obj);
                   outS.flush();
                   System.out.println("obj sent");
              } catch(Exception e){
                        System.out.println("Error Sending Obj: " + e.getMessage());
                        return false;
              return true;
}and here is the code on the client side:
     private void connect (String IP,int Port){
          try {
               ss = new Socket();
               ss.bind(null);
               ss.setSoTimeout(10000);
               ss.connect(new InetSocketAddress(IP,Port));
          in = new BufferedReader(new InputStreamReader(ss.getInputStream()));
              out = new PrintStream(ss.getOutputStream(),true);
              inHandler = new inComing();
              inHandler.start();
          } catch (IOException e){
               System.out.println(e.getMessage());
     class inComing extends Thread {
          boolean running = true;
          ObjectInputStream oin;
          public void run(){
               String str;
               do {
                    try {
                         in = new BufferedReader(new InputStreamReader(ss.getInputStream()));
                         str = in.readLine();
                         System.out.println(str);
                         oin = new ObjectInputStream(ss.getInputStream());
                         Semaforo APP = (Semaforo)oin.readObject();
                         SEM.setStatus(APP.getStatus());
                         SEM.setPowerOn(APP.isPowerOn());
                         System.out.println("obj received");
                    }catch (Exception e) {
                         System.out.println(e.getMessage());
               } while(running);
}the output on the client side is for example:
Sending MyPackages.CElements.Semaforo Semaforo
obj received
Sending MyPackages.CElements.Semaforo Semaforo
obj received
Sending MyPackages.CElements.Semaforo Semaforo
obj received
Sending MyPackages.CElements.Semaforo Semaforo
obj received
Sending MyPackages.CElements.Semaforo Semaforo
obj received
Sending MyPackages.CElements.Semaforo Semaforo
obj received
Sending MyPackages.CElements.Semaforo Semaforo
obj received
Sending MyPackages.CElements.Semaforo Semaforo
invalid stream header: 7372001D
MyPackages.CElements.SemaforoxrJWindow;Lwt/Dialog$ModalExclusionType;Lsq~invalid stream header: 00000003
ardsqq�ntext;L.AbstractDocument$AbstractElement��x��7��QLapos��$�invalid stream header: 53656E64
ing MyPackages.CElements.Semaforo Semaforo
invalid stream header: 78000000
Ldrenqinvalid stream header: 7871007E
}�� header: 00740007
tabSizesrvax.swing.text.AbstractDocument$AbstractElement��x��7��erqsocket closed
So you can see it worked fine for some time and then there are some errors, it happens that after some time it starts working fine again.
I really can not understand what is wrong especially for this random behavior, I really can not predict when it works and when it will not.
Can someone help me?
Thanks
Carlo

I solved the problem not opening multiple streams over the same Socket, now the server will send the comments simply serializing a string object, this way it works fine and it is a more solid solution, I can not explain why I had such a insane idea!
Then I tried to do it in a clean way, creating the ObjectInput/outputStream only once when I start the Socket, but I am experiencing a strange problem.
Here is the code on the server side:
   class Client {
         Socket client;
         BufferedReader in;
          ObjectOutputStream outS;
         boolean running = true;
         int i = 0;
         public Client (Socket client){
              this.client = client;
              System.out.println("New Connection: " + client.getInetAddress() + ":" + client.getPort());
              try{
                   in = new BufferedReader(new InputStreamReader(client.getInputStream()));
                   outS = new ObjectOutputStream(client.getOutputStream());
              } catch(IOException e){
                   System.out.println(e.getMessage());
         public boolean send(Object obj,String name){
              try{
                   System.out.println("Sending Obj: " + name +" " + i);
                   //ObjectOutputStream outS = new ObjectOutputStream(client.getOutputStream());
                   outS.writeObject("Sending\t"+obj.getClass().getName()+"\t"+name+" " + i);
                   i++;
                   System.out.println("Status: " + ((Semaforo)obj).getStatus());
                   outS.writeObject(obj);
                   outS.flush();
                   System.out.println("obj sent");
              } catch(Exception e){
                        System.out.println("Error Sending Obj: " + e.getMessage());
                        return false;
              return true;
}And on the client side:
private void connect (String IP,int Port){
          try {
               ss = new Socket();
               ss.bind(null);
               ss.setSoTimeout(10000);
               ss.connect(new InetSocketAddress(IP,Port));
              out = new PrintStream(ss.getOutputStream(),true);
              inHandler = new inComing();
              inHandler.start();
          } catch (IOException e){
               System.out.println(e.getMessage());
     class inComing extends Thread {
          boolean running = true;
          ObjectInputStream oin;
          BufferedReader in;
          String str;
          Semaforo APP;
          Object obj;
          public inComing(){
               try {
                    oin = new ObjectInputStream(ss.getInputStream());
               } catch (IOException e){
                    System.out.println(e.getMessage());
          public void run(){
               obj = new Object();
               do {
                    try {
                         //oin = new ObjectInputStream(ss.getInputStream());
                         obj = oin.readObject();
                         System.out.println("recived new Obj: " + obj.getClass().getName());
                         System.out.println((String)obj);
                         obj = oin.readObject();
                         System.out.println("recived new Obj: " + obj.getClass().getName());
                         System.out.println("Status: " + ((Semaforo)obj).getStatus());
                         System.out.println("obj received");
                    }catch (Exception e) {
                         System.out.println("read error: " + e.getMessage());
               } while(running);
}The output on the srver side is:
Pronto a ricevere connessioni
New Connection: /127.0.0.1:4932
Pronto a ricevere connessioni
Sending Obj: Semaforo 0
Status: 2
obj sent
Sending Obj: Semaforo 1
Status: 1
obj sent
Sending Obj: Semaforo 2
Status: 0
obj sent
Sending Obj: Semaforo 3
Status: 1
obj sent
on the Client side the output is:
recived new Obj: java.lang.String
Sending MyPackages.CElements.Semaforo Semaforo 0
recived new Obj: MyPackages.CElements.Semaforo
Status: 2
obj received
recived new Obj: java.lang.String
Sending MyPackages.CElements.Semaforo Semaforo 1
recived new Obj: MyPackages.CElements.Semaforo
Status: 2
obj received
recived new Obj: java.lang.String
Sending MyPackages.CElements.Semaforo Semaforo 2
recived new Obj: MyPackages.CElements.Semaforo
Status: 2
obj received
recived new Obj: java.lang.String
Sending MyPackages.CElements.Semaforo Semaforo 3
recived new Obj: MyPackages.CElements.Semaforo
Status: 2
obj received
The strange thing is that it updates correctly the sting object, but it updates the Semaforo object only the first time, after the status does not change, If I create a new ObjectOutput/InputStream every time it works.
Do you have any idea?
Thanks
Carlo

Can anyone give me an example of direct, queued and unserialized delta?

hi all,
Can anyone give me an example of direct, queued and unserialized delta for fi and sd applications.
thanxs in advance
regds
hari

hi,
Update Methods,
a.1: (Serialized) V3 Update
b. Direct Delta
c. Queued Delta
d. Un-serialized V3 Update
Note: Before PI Release 2002.1 the only update method available was V3 Update. As of PI 2002.1 three new update methods are available because the V3 update could lead to inconsistencies under certain circumstances. As of PI 2003.1 the old V3 update will not be supported anymore.
a. Update methods: (serialized) V3
Transaction data is collected in the R/3 update tables
Data in the update tables is transferred through a periodic update process to BW Delta queue
Delta loads from BW retrieve the data from this BW Delta queue
Transaction postings lead to:
1. Records in transaction tables and in update tables
2. A periodically scheduled job transfers these postings into the BW delta queue
3. This BW Delta queue is read when a delta load is executed.
Issues:
Even though it says serialized , Correct sequence of extraction data cannot be guaranteed
V2 Update errors can lead to V3 updates never to be processed
Update methods: direct delta
Each document posting is directly transferred into the BW delta queue
Each document posting with delta extraction leads to exactly one LUW in the respective BW delta queues
Transaction postings lead to:
1. Records in transaction tables and in update tables
2. A periodically scheduled job transfers these postings into the BW delta queue
3. This BW Delta queue is read when a delta load is executed.
Pros:
Extraction is independent of V2 update
Less monitoring overhead of update data or extraction queue
Cons:
Not suitable for environments with high number of document changes
Setup and delta initialization have to be executed successfully before document postings are resumed
V1 is more heavily burdened
Update methods: queued delta
Extraction data is collected for the affected application in an extraction queue
Collective run as usual for transferring data into the BW delta queue
Transaction postings lead to:
1. Records in transaction tables and in extraction queue
2. A periodically scheduled job transfers these postings into the BW delta queue
3. This BW Delta queue is read when a delta load is executed.
Pros:
Extraction is independent of V2 update
Suitable for environments with high number of document changes
Writing to extraction queue is within V1-update: this ensures correct serialization
Downtime is reduced to running the setup
Cons:
V1 is more heavily burdened compared to V3
Administrative overhead of extraction queue
Update methods: Un-serialized V3
Extraction data for written as before into the update tables with a V3 update module
V3 collective run transfers the data to BW Delta queue
In contrast to serialized V3, the data in the updating collective run is without regard to sequence from the update tables
Transaction postings lead to:
1. Records in transaction tables and in update tables
2. A periodically scheduled job transfers these postings into the BW delta queue
3.This BW Delta queue is read when a delta load is executed.
Issues:
Only suitable for data target design for which correct sequence of changes is not important e.g. Material Movements
V2 update has to be successful
hope it helps
partha

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http://support.apple.com/kb/HT1808

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dalyto wrote:
thanks
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Revision: 13042
Revision: 13042
Author:   [email protected]
Date:     2009-12-17 03:45:27 -0800 (Thu, 17 Dec 2009)
Log Message:
Fix for FM-287, reinstating the main sample (that uses serial and parallel composition), and making another pass at getting all the changed trait methods mapped correctly back- and forth between JS and Flash.
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    osmf/trunk/framework/MediaFramework/org/osmf/external/HTMLElement.as
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Closed..
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hi!!!
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So far so good.
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Serialized and unserialized

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