cache task object Wininit

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• Cache.get (Object) when using the list and Arrays.asList as keys

  Hello
  
  I saw a problem when doing the cache.get (object) with the list. Here's my test.
  
  NamedCache cohCache = CacheFactory.getCache ("Test");
  
  Key is a list
  Key list = new ArrayList();
  Key.Add ("A");
  
  cohCache.put (key, 1);
  
  System.out.println ("Get with Arrays.asList:" + cohCache.get (Arrays.asList ("A")));
  System.out.println ("list:" + cohCache.get (key));
  System.out.println ("list is equal to Arrays.asList:" + Arrays.asList("A").equals (key));
  
  Actual output:
  
  Get with Arrays.asList: null
  List is equal to Arrays.asList: true
  Download list: 1
  
  Expected results:
  
  Get with Arrays.asList: 1
  List is equal to Arrays.asList: true
  Download list: 1
  
  
  Arrays.asList("A") and the key are equal but consistency does not return the value. I thought that, in cache.get (object) consistency returns if object.equals (key) is true.
  
  Any idea?
  
  Reg
  
  Fatou.

  Dasun.Weerasinghe wrote:
  Hello

  I saw a problem when doing the cache.get (object) with the list. Here's my test.

  NamedCache cohCache = CacheFactory.getCache ("Test");

  Key is a list
  Key list = new ArrayList();
  Key.Add ("A");

  cohCache.put (key, 1);

  System.out.println ("Get with Arrays.asList:" + cohCache.get (Arrays.asList ("A")));
  System.out.println ("list:" + cohCache.get (key));
  System.out.println ("list is equal to Arrays.asList:" + Arrays.asList("A").equals (key));

  Actual output:

  Get with Arrays.asList: null
  List is equal to Arrays.asList: true
  Download list: 1

  Expected results:

  Get with Arrays.asList: 1
  List is equal to Arrays.asList: true
  Download list: 1

  Arrays.asList("A") and the key are equal but consistency does not return the value. I thought that, in cache.get (object) consistency returns if object.equals (key) is true.

  Any idea?

  Reg

  Fatou.

  Hi Eric,.

  There is a slight misunderstanding in how you think that the works of coherence.

  For clustered caches Coherence does not return the value of the object key of equals to the key specified when caching, object instead, it returns When serialized forms of the key used to and used to get equal to one another.

  If you use no POF, then most of the time Java serialization is used to serialize the objects of key, and in any case if you don't use of POF, and the name of the serialized object class is in the serialized form.

  Now, the thing is that the key that you put in is a java.util.ArrayList. The key that you have tried to get with is a java.util.Arrays.ArrayList.
  It's two different classes, so the serialized forms that store the name of class implementation (which is true in this case) cannot be the same. So consistency is not going to put initially entrance the key that it uses (the serialized form) is actually different from the original key, so there is no entry for the key used in the get() method, and correctly you get back null.

  On the other hand, the two implementations ArrayList implement equals as defined in AbstractList, requiring not only the types of implementation of lists be the same, they apply just that the relation to the object is also a list, so two lists containing the same elements in the same order are equal as long as equals() on AbstractList is concerned, that's why your equals() check evaluates to true even if the types of implementation are different.

  Best regards

  Robert

  Published by: robvarga on May 2, 2012 11:44

• Disable the cache of objects

  Hello!
  
  Is it possible to turn off the display of the values cached for elements (e.g. numeric values)? For a list help to speed up the work in general, but sometimes can be disturbing. So, it is possible to disable the list of the value cached for specific items?
  
  András

  Andras salvation,

  I think you talk to the native browser AutoComplete feature. Try adding the following to the 'attributes of the HTML Form element"for the specific item that you want to disable this feature:

  autocomplete="off"
  

  If you wanted to do it at the page level, it is also possible for this turning off declarative "Edit Page > Security > full auto shape '."

  I hope this helps.

  Anthony.

• Cache objects VI shared between 32 and 64 bit?

  Transferred into the LAVA: http://lavag.org/topic/16349-vi-object-cache-shared-between-32-and-64-bit/page__pid__99898

  I am currently working on a major project that is to be deployed in 32 - bit and 64-bit flavors. This means that I must periodically switch between installed versions of LV to build.

  It * seems * that if I work in 32-bit BT, and then I close and re-open my project in 64-bit BT, that everything needs to recompile... even if I had only changed a few things since the last, I worked in 64-bit.

  It seems that while LV keeps a Cache of objects VI separate for each version of LV, that it does NOT keep a cache separate for 32-bit versions and 64-bit. Is this really the case?

  Fabric Hello,

  LabVIEW maintain separate caches for versions 32-bit and 64-bit of the same version, but in the same file. They are separate entries in the objFileDB. Because 32-bit and 64-bit are very different beasts, the project must be recompiled in order to adapt to the new platform every time that you open in a new environment. It is possible to separate the compiled source code code. Research in the other forum posts, this separation likely to cause a higher risk of corruption VI.

  Best,

  tannerite

• Update server caching the my objects?

  Hello
  
  I created "SomeObject" and additional objects that it all inherit from "SomeObject", the key tells the server what to do with it.
  

  public class SomeObject implements Seriallizable {
       private int id;
       private Key key;
       public SomeObject(int id, Key key) {
            // blah blah
       }
       //getters/setters
  }
           
  public class SomeObject1 extends SomeObject implements Seriallizable {
       // Other stuff
  }

  Key inherits number and contains an int value.
  
  I send a SomeObject1 to the server with a key of 1, then I send the same SomeObject1 again, this time, I put the key in a 2 and the server picks up the key 1.
  
  Is someone can you please tell me why this is happening?
  
  Thanks in advance.
  
  Kind regards

  My guess is that you are re-using the same RMI connection to the server for each request. RMI caches of objects of reference and will not send the same object twice (it sends just a marker that says "the same object that I sent before"). at the reception, the object is cached by the ObjectInputStream and simply returned back to your code. If you want to send the same object twice with different contents, you can use ObjectOutputStream.writeUnshared () or call the ObjectOutputStream.reset () between each entry.

• Task parallel library

  I use c# with NET4.0. I would use the 'Task' object in the system. Threading.Tasks for parallel processing. But 'Task' is already defined in namespace DAQmx. I find that I have to explicitly state the namespace (or the other system. Threading.Tasks or NationalInstruments.DAQmx) to distinguish what "task" I refer whenever I use "task". Y at - it an easier way to do it.

  Best regards

  Shane

  In c#, you can declare an alias for a type with a using directive, as:

  using DAQmxTask = NationalInstruments.DAQmx.Task;
    using ParallelTask = System.Threading.Tasks.Task;

• get a custom by a GroupDataModel object

  Hey gang,

  I have a GroupDataModel that I fill like this:

  m_model->insert(new Task(lineList.at(3), lineList.at(0), 11223344, lineList.at(2), true));
  

  in a loop.  There will be several objects "Task" in the GroupDataModel.

  What I am not clear is how to get a specific "task" out of the GroupDataModel.

  I tried to use toListOfObjects(), but I don't know how to use it.

  I can't find good examples, although there is some for toGroupOfMaps().

  anyone able to help?

  THX,

  J

  Try this

  toListOfMaps

  QList list = m_model->toListOfMaps();
  
  foreach(QVariantMap item, list){
      // here is logic for compare/find the item by the any value
      if (item["your key"] == your condition){
          //here is your find item
      }
  }
  

  Even logic, you can use toListOfObjects, but instead of QVariantMap use your task object.

  QList list = m_model->toListOfObjects();
  
  foreach(Task *item, list){
      // here is logic for compare/find the item by the any value
      if (item->youkey == your condition){
          //here is your find item
      }
  }
  

  May be a better solution, but hope this works will

• Two operations are launched: getChildren () .add & one task... the second is always the first :'(

  Hello

  First of all, I'm sorry but I speak very well English, I'm french. I come here to ask you for help. In fact, for two weeks I am trying to solve a problem. I have a controller that does a lot of operations. My goal is to show a progress meter during all database operations. So, I created a class with a method to do this. Below, you can see the code of a task that performs the database operations (he calls a method through its name, its class name and its parameters):

  task2 = new Task<Object>() {
              @Override
              protected Object call() throws Exception {
                  if (params != null) {
                      Object v = null;
                      try {
                          v = method.invoke(service, params.stream().toArray());
                      } catch (IllegalAccessException | IllegalArgumentException |
                              InvocationTargetException e) {
                          // TODO Auto-generated catch block
                          e.printStackTrace();
                      }
                      return v;
                  } else {
                      Object v = null;
                      try {
                          v = method.invoke(service);
                      } catch (IllegalAccessException | IllegalArgumentException |
                              InvocationTargetException e) {
                          // TODO Auto-generated catch block
                          e.printStackTrace();
                      }
                      return v;
                  }
              }
          };
  

  Then I get back an anchorpane that contains a progressindicator and I link them:

  spinner.getPi().visibleProperty().bind(task2.runningProperty());
  

  Before execution of the task, I put the anchorpane as a child of the main anchorpane (as reported as root):

   ap.getChildren().add(spinner);
  

  Finally, I start the task and I retrieve the value (the get() method which makes sure that all operations are completed before returning the value... In other cases, it does not...).

  new Thread(task2).start();
          try {
              val = task2.get();
          } catch (ExecutionException e1) {
              // TODO Auto-generated catch block
              e1.printStackTrace();
          }
          return val;
  

  However, I must still wait for the operations of the task in order to see the anchorpane that contains the spinner. The spinner does not appear (it appears when I remove the link) but I tested it with a few colors of background anchorpane. So, I would like to know if you have an idea how I might solve the problem. Is there a way to show the anchorpane before the launch of the task?

  I thank you for your help and have a nice day.

  Vincent.

  Salut / hello

  A task should not be launchedEA in the context of a thread, but as part of a Service (javafx.concurrent.Service). It is possible to be binder on the properties of the service and not those of the task (see title, message, forward and value).

  You'll find help in french as well as a FAQ on JavaFX, here and here.
  

  
  

  A task must be used in conjunction with a Service (javafx.concurrent.Service) and not with a wire. You can then link on the properties of the service instead of the task (see title, message, progress and value properties).

  spinner.getPi().setVisible(true);
  Service