Best method to call several process flow sequentially

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• The purpose of programmatic view called several times ExecuteQueryForCollection

  [JDev/ADF v11.1.1.5.0]

  I am trying to create a VO that is not supported by DB, but instead takes its data from an external source (subsequently, a web service, but that's irrelevant to this question). I followed on each sample, I found and have created the VO and all overridden methods. I use this VO to create a LOV list for a VO another attribute, and the values in the LOV will vary based on a value in another attribute in the main volume (this is called LOVs cascading in various places).

  Here's an example, using the HR schema (a little artificial, I admit it):

  -Two your - DepartmentVO and ManagerVO - are defined

  -The DepartmentVO is supported by the DB and a normal EO and VO.

  -L' Manager in the DepartmentVO attribute is set to a supported by the ManagerVO LOV

  -The ManagerVO is programmatic and returns a list of employees who are in the same Department as the DepartmentID in the line of master DepartmentVO. To do this, use a Bind Variable (DeptId) that is set up to take the value of the DepartmentID attribute in the current line of DepartmentVO. This value of binding is used to filter the list of employees referred to only in the same Department.

  -J' replaced the executeQueryForCollection method in ManagerVOImpl. Here, I retrieve the value of the variable DeptId bind parameters passed in object/object2 to the method, and then use to retrieve employees in this Department of my main source.

  So far so good. Presents all works. (He lifts the employees in the same Department and displays them in the popup LOV.) If you change the Department then click to display the attribute Manager LOV, it shows you the list of employees in the new Department.)

  The problem I see is that the executeQueryForCollection method is called several times (2 or 3), causing the recovery of employees in the Department occur several times. For example, the test by running the AM executeQueryForCollection is called when I click the button to display the popup LOV (which makes sense). However, it is said AGAIN when I click the OK button in the popup LOV after selecting one of the values. (This should NOT!) And, if I create a JSF page and drop the data control to create a form and test it in this way, the executeQueryForCollection is called THREE times!

  I have the logic in the class ManagerVOImpl, which checks whether the list of employees has been recovered already, and if so, it's just returns the existing list. However, multiple calls are actually coming from different instances of the VO class, so that they only "see" the list has already been retrieved (because she was retrieved from another instance of the class, not this one).

  So my question is: How can I ADF do not call the executeQueryForCollection several times during the use of the VO as a LOV so that my (very expensive) call in the master repository to retrieve the list of employees is not executed more than necessary?  Is my only option to implement share caching mechanism myself that stores the list of employees of a Department somewhere in memory? I thought that ADF BC will make caching for me at the level VO?

  Thanks for any help that anyone can provide. I have literally been taken with that for two weeks, when I thought it would be a 'fast' to implement! :-)

  I'd be happy to upload/attach the source of my 'ManagerVOImpl' class, if that would be helpful.

  Have you tried to put a conditional statement in your back-end call happens only on your principal of the VO and not on the other 2 forums and see if that affects your functionality?

  that is, if (myIdName == "myVOInstance") {}

  do things;

  }

  I did it with VO this call that some heavy DB stored procedures in the executeQueryForCollection.

• Method of application for process by running several times question

  Hi all

  In my controller code, application of process method is run several times, and insertion of multiple data in the table, any body can help me how to solve this problem.

  I have the code in my application process below:

  OAApplicationModule m = pageContext.getApplicationModule (webBean) (OAApplicationModule);

  am.invokeMethod ("InsertRecord", null);

  OAMessageLovInputBean oalovinputbean = (OAMessageLovInputBean) webBean.findIndexedChildRecursive ("ccustatus");

  oalovinputbean.setValue (pageContext, "INPROGRESS");

  String userName = pageContext.getUserName ();

  System.out.println ("username is:" + username);

  OAMessageTextInputBean pUserId = (OAMessageTextInputBean) webBean.findChildRecursive ("item32");

  pUserId.setValue (pageContext, userName);

  OAMessageTextInputBean pchangedby = (OAMessageTextInputBean) webBean.findChildRecursive ("item34");

  pchangedby.setValue (pageContext, userName);

  If ((("on").) Equals (PageContext.GetParameter ("rrchkbox")))

  {

  String whereclause1 = (String) pageContext.getTransactionValue ("whereclause");

  String workordnum = (String) pageContext.getTransactionValue ("workordnum");

  String rrnum = (String) pageContext.getTransactionValue ("rrnum");

  String ponum = (String) pageContext.getTransactionValue ("ponum");

  System.out.println ("whereclause test1" + whereclause1);

  String status = pageContext.getParameter ("ccustatus");

  System.out.println ("CLEMENT LINE STATUS:" + status);

  Serializable param [] = {workordnum, rrnum, whereclause1, ponum};

  am.invokeMethod ("getSearchData1", param);

  am.invokeMethod ("checkSelectedrow", param);

  Vcnt serializable = am.invokeMethod ("processPOData", param);

  }

  Below the code written in AM:

  Public Sub InsertRecord()

  {

  XXDPECONTAINERVOImpl vo = getXXDPECONTAINERVO1();

  vo.setMaxFetchSize (0);

  Line XXDPECONTAINERVORowImpl = (XXDPECONTAINERVORowImpl) vo.createRow ();

  oracle.jbo.domain.Number empNum = (oracle.jbo.domain.Number) getOADBTransaction () .getSequenceValue ("XXDPE_CONTAIN_SEQ");

  row.setContainerizationId (empNum);

  vo.insertRow (row);

  row.setNewRowState (rank. STATUS_INITIALIZED);

  }

  Please help me.

  Thank you Manu for your answer, my question set, in fact it was I have attached several region in the page controller, so whenever the page load is run 3 times and the call to the insert 3 times, so I corrceted it now is workign fine.

  Thnaks

  Deb

• What is the best way to call a method in the bean on the adf page loading?

  Hello
  
  which is the best way to call a method in managing the beans on the adf page loading.
  
  My version of jdev 11.1.1.5.0
  
  Thank you

  I don't know if it's the right answer for your question try this...

  In taskflow for properties of method call, you must return a value when you use #{pageFlowScope.returnvalue} (returnvalue is a variable), so you can use your return value in the taskflow... Please let me if this is correct...

• method of before the Phase of initMethod() in view calling several times:

  Hello world
  
  I dragged a table as read-only table with simple rank of verified selection.
  A button to go there in the page.
  The code in the go button takes the curretn by selecting the current row and the values of print.
  The initMethod() code is execution of the VO.
  
  The problem is when the page load the initMethod() (before the phase in view) calls several times even after loading the page.
  Continuously its call to this method.
  
  How to call only once when the page is loaded?
  
  All suggestions will be really useful.
  
  Thank you.

  Hello Kumar,
  There are many topics on the web to achieve this.
  This is one of them
  https://blogs.Oracle.com/ADF/entry/an_epic_question_how_to

• Best practices for call code plsql and methods of application module

  In my application I am experience problems with the connection pool, I seem to use a lot of connections in my application when only a few users are using the system. As part of our application, we need to call procedures of database for the business logic.
  Our support beans, calls the methods of the module of the application calling to turn a database procedure. For example, in the bean to support, we have code as follows to call the method of module of the application.
  
  Component Module to generate new review/test.
  CIGAppModuleImpl appMod = (CIGAppModuleImpl) Configuration.createRootApplicationModule ("ky.gov.exam.model.CIGAppModule", "CIGAppModuleLocal");
  String testId = appMod.createTest (username, examId, centerId) m:System.NET.SocketAddress.ToString ();
  
  AdfFacesContext.getCurrentInstance () .getPageFlowScope () .put ("tid", testId);
  
  Close call
  System.out.println ("delete Calling releaseRootApplicationModule");
  Configuration.releaseRootApplicationModule (appMod, true);
  System.out.println ("Completed releaseRootApplicationModule delete");
  Return returnResult;
  
  In the method of application module, we have the following code.
  
  System.out.println ("CIGAppModuleImpl: call the database and use the value of the iterator");
  CallableStatement cs = null;
  try {}
  CS = getDBTransaction () .createCallableStatement ("start?: = macilap.user_admin.new_test_init(?,?,?);") end; ", 0) ;
  cs.registerOutParameter (1, Types.NUMERIC);
  cs.setString (2, p_userId);
  cs.setString (3, p_examId);
  cs.setString (4, p_centerId);
  cs.executeUpdate ();
  returnResult = cs.getInt (1);
  System.out.println ("CIGAppModuleImpl.createTest: return result is" + returnResult);
  
  } catch (SQLException to) {}
  throw new Aexception.getLocalizedMessage (se);
  }
  {Finally
  If (cs! = null) {}
  try {}
  CS. Close();
  }
  catch (SQLException s) {}
  throw new Aexception.getLocalizedMessage (s);
  }
  }
  }
  
  I read in one of the presentations of Steve Muench (Oracle Fusion Applications Team' best practices) that the call of the method createRootApplicationModule is a bad idea and call the method via the link interface.
  I guess that the call of the createRootApplicationModule uses a lot more resources and connections to database as the call to the method via the link interface such as
  
  BindingContainer links = getBindings();
  OperationBinding ob = bindings.getOperationBinding("customMethod");
  Object result = ob.execute)
  
  Is this the case? Also use getDBTransaction () .createCallableStatement the best average of calls to database procedures. Would it not be better to expose plsql packages such as Web services and then call from the applicationModule. Is it more effective?
  
  Concerning
  
  Orlando

  He must show them.
  But to work around the problem, try this - drag method of the data control to your page and the fall as a button.
  Then go to the source of the JSPX view and remove the button from there - if it comes to the display of the source - the link must remain in your pagedef.

• Call a script shell to an OWB mapping or process flow

  Hello
  
  is it possible to call a shell script for a mapping owb or process flow and how can I do this?
  
  Greetings

  Check this box: -.

  http://blogs.Oracle.com/warehousebuilder/2010/05/how_to_use_user_defined_activity_in_owb_process_flow.html

  See you soon
  Katia

• What is the best way to call the Java method in JSP in weblogic 10.3

  Hello
  
  What is the best way to call the Java method in JSP in weblogic 10.3?
  
  Thank you for your help in advance.
  
  Thank you
  Manu

  Hello Manu,

  If I understand your question, all you need to do is import the Java class you want to create / obtain an instance of it (if you're not calling a static method), then call the method, the entire interior of the JSP. It works the same way in Weblogic that it works in any JSP.

  Kevin

• Why the method in the several times called session bean

  Hello
  I work with Jdev 11 g.
  I created an example Web J2ee Application.
  In the model project, I created:
  1 - entity Bean
  2 - stateless session bean (which contains a method that get the list of username == > em.createNamedQuery("OsaUser.findAll").getResultList ();)
  
  In the view controller project I created:
  1 - managed bean, session scope, a getter that calls the session bean and retrieve the result of the query.
  2 - a JSF page with af:table element with the value bound to the list in the managed bean.
  
  When I run the application, the data is displayed, but since I put system.out message I get this message several times.
  When I try to debug the application the breakpoints on the managed bean and session bean are available several times.
  
  Can you please advice why this happens.
  Concerning
  Emile BITAR

  Hello

  partially, it's the cycle of life and partially a known bug. The method is called during ApplyRequest and RenderResponse. If you check this in your output, so you see that make answer calls at least three times, which is the bug that we set. As a temporary work around, set a flag within the scope of the request (since your bean's scope of session that you use a requestScope attribute). The first time you run, you set the attribute flag. So every time its called again, you check to see if the indicator exists and if ignore the request. Because the flag is set to request scope, you needn't clean it explicitly

  Frank

• Managed Bean method called several times in AF:ITERATOR

  Dear all,
  I can do not to understand this concept in the ADF. Being a beginner, I would like to know
  the reasoning behind this.
  
  I use af:foreach components and then I link it to my below managed bean.

  <af:panelTabbed id="pt1">
       <af:forEach var="item" items="#{testBean.departmentsData}">
         <af:showDetailItem text="#{item}" id="sdi1"/>
       </af:forEach>
  </af:panelTabbed>

  public class TestBean {
      public List getDepartmentsData() {
          System.out.println("I was clicked!!!!");
          List lstData = new ArrayList();
          lstData.add("IT");
          lstData.add("Finance");
          lstData.add("Accounting");
          return lstData;
      }
  }

  On the first charge, it prints 7 times "I clicked".
  
  When I clicked on one of the tab, I get 7 again which means my method was called 7 times.
  Any reason behind this. ? Thank you.
  
  I have used JDEV PS3 is told by the way.

  Rather than build the list in your getter, build a list somewhere (in the constructor, perhaps). Your getter can then return just this list.

  John

• How to add a procedure for a process flow, but PF continue immediately

  Hi all
  
  In my process flow, I would like to be able to launch a procedure. However, I wish the process flow to continue immediately regardless of the status of the proceedings. I want the procedure that is called, and I want the process flow in order to continue its not regardless of the status of the proceedings. Is there a good / better way to do this?
  
  The following method seems to work. But I don't know if it's the right / best way to do it:
  
  Start-> forks > procedure-> one (must only launch) OR (method A and B card feed the RO)-map C (fill)-> END
  Plan B (must successfully complete)
  
  In case the "schema" above is not clear I "FORK" which divides to call the procedure has as b. mapping Procedure A and B map go to a 'GOLD '. The gooes 'OR' la carte b. plan B goes to the 'END '.
  
  Thanks in advance for your ideas and experiences.
  
  -Sam
  P.S. I'm on OWB 10.2.0.1

  If you want a plan B to wait that the procedure is made

  proceed this way

  Start-online fork => Proc-OR online-online success

  -Online card-online A-online the Condition for success-online card B (OR)

  HTH
  Mahesh

• FieldChangeListener fieldChanged called several times to EditField?

  Why fieldChanged is called several times in an EditField and how to avoid what is happening or maybe even control how many times the method, I want to be called, is called.

  The debugger that I noticed that my method is running serval times, most of the time + 20 times, and it's ruining the flow of just this is an edit field, is far from avoid this? I'm doing something wrong? or is this a normal behavior?

  I'm past the code if it helps, but if I can get the answers to these questions, am sure I can fix the code myself.

  Thank you

  Nevermind, figured it out, sorry for losing space, bandwidth, etc etc.

• First HP: Best method to solve equations very slightly advanced...

  I always seem to struggle with trying to find a correct and reliable way to do different things with this calculator.  I've stuck with him since they were released at the beginning and I intend to continue to wear for everyday use when I finished my degree.  The problem I encounter is that there are two fairly detailed instructions published or find methods that I do not work for slightly more advanced problems than those in the manuals, etc. of the user.

  Then, I manipulated an equation until the following and I need to solve for alpha without random speculation and 40 different attempts, which is the best method to achieve this?  I tried to plug in this whole equation in the 'Solve' application in different formats, but the number it solves for is always about 0.5 to low or high, in this case I probably have a bad setting somewhere.  I also tried to solve, csolve and orders fsolve in AR but I always get some [[]] as a result.  I guess it's either a mistake or is it which indicates that there are several answers, but where do I go from here?  I was not able to find that [[]] actually means.

  Here's my equation: (sin(2*a)/(2*pi))-(a/pi)+0.75=0, where a = letter Greek alpha.)  The correct answer is 1,986 rad = 113.8 degrees.

  Please help, thanks!

  Sorry Tim, after little sleep and fees starting this morning, I realized that 1) I did not use the appropriate syntax to solve/csolve/fsolve, i.e.: I was not finishing the statement of education and that's why I was getting the [[]].  (2) I realized that when I received a response that was in degrees because I had not turned on my way to radians.  I am all set now and can find the right answer through a number of ways.  Thanks for the reply and my apologies for taking your time.

• Best method to track usage of the file by the user?

  Hello world

  I currently need to look at a method for monitoring of the activities of the file in my organization and I need a little help to get started on the right track. I had some references point me to app Xcode Instrument via the business model of the file, but I currently have issues seeing any activity from users of the real network. to start, I simply set the target to "All processes" with the hope that it would bring together all activities and newspaper, in which he did for everything except users on the network. On mine, I also found some people who use scripts to dtrace or opensnoop, but I was hoping someone could point to what they think, it's the "best" method to track when a file/folder is accessed and/or modified.

  Also, as a note, we are in a mixed environment and so we only via SMB as our file sharing protocol in the case where it makes a difference. I know that in newspapers of the server application, it does clearly as AFP titles widely as I can only find small amounts of data for SMB in the newspapers (disconnects / reconnects, permissions, etc.). If I need to flesh out the details as well, this isn't a problem, and thank you to you all in advance.

  As with everything, there are a number of ways to accomplish.  Manager of the 'better' is one that works in your environment and that you feel comfortable.

  You can watch the common criteria framework that is built into OS X.  Try checking the man and man audit_control to get an idea of what is possible.  If you enable the service, you will record only login, logout, and authentication.  However, adding to the indicators you can save the file reads, writes, creates and deletes (most other things).  Are you trying to follow everything on local machines or just the server?

  Now, if you do this, you'll generate a lot of logging data.  The most logical way to handle this is to aggregate the log data into a centralized syslog server.  But it of more infrastructure and will pose challenges if you breadwinner and because portable computers that let the environment.

  Reid

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• Best method to import the external drive?

  I have a LaCie 1 t and you want to know the best method to get these images in LR. The default values are: 'Add' and 'NewPhotos' to 'Moncatalogue '.

  I think I may have more than one catalog and do not know how to combine them. It is advisable to have a single catalog?

  Thanks in advance,

  Mr. Mayor

  There is no "best" method, there are methods that work for you and the methods that do not work for you.

  If the files are on the external hard drive, then 'Add' certainly would work, he leaves photographing in existing records.

  In almost all situations, you want to use a single catalog. (The only situations where you may want several catalogues are if the object of the catalog it is completely incompatible with the purpose of the catalogue 2, for example, business and personal).

  You can combine catalogs by opening one and then use file-> import from another catalog and points to the catalog on the other.