What is Dynamic Binding ??
Can anyone help me in telling what is DYNAMIC BINDING with an exmple!!!!
Thanks
Pinto
dynamic binding means binding at run time.it is used in java for achieving runtime polymorphism.
e.g
class A
int i=15;
void abc()
System.out.println("in A");
class B extends A
int i=20;
void abc()
System.out.println("in B");
class C
public static void main(String o[])
A a=new B();
System.out.println(a.i);
System.out.println(a.abc);
this program outputs as
15
in B
this is because the instance methods are bind dynamically at runtime depending upon the object
not the reference.instance variables and static methods are bind early at compile time so these depends upon the reference not the object.
Similar Messages
-
Dynamic binding of items in sap.m.Table using XML views
Dear SAPUI5 guru's,
Let's start by saying I'm an ABAP developer who's exploring SAPUI5, so I'm still a rookie at the time of writing. I challenged myself by developing a simple UI5 app that shows information about my colleagues like name, a pic, address data and their skills. The app uses the sap.m library and most of the views are XML based which I prefer.
The data is stored on an ABAP system and exposed via a gateway service. This service has 2 entities: Employee and Skill. Each employee can have 0..n skills and association/navigation between these 2 entities is set up correctly in the service. The data of this service is fetched from within the app using a sap.ui.model.odata.ODataModel model.
The app uses the splitApp control which shows the list of employees on the left side (master view). If a user taps an employee, the corresponding details of the employee entity are shown on the right (detail view).
Up till here everything is fine but I've been struggling with my latest requirement which is: show the skills of the selected employee in a separate XML view when the user performs an action (for the time being, I just created a button on the detail view to perform the action). After some hours I actually got it working but I doubt if my solution is the right way to go. And that's why I'm asking for your opinion here.
Let's explain how I got things working. First of all I created a new XML view called 'Skills'. The content on this view is currently just a Table with 2 columns:
<core:View xmlns:core="sap.ui.core" xmlns:mvc="sap.ui.core.mvc" xmlns="sap.m"
controllerName="com.pyramid.Skills" xmlns:html="http://www.w3.org/1999/xhtml">
<Page title="Skills"
showNavButton="true"
navButtonPress="handleNavButtonPress">
<content>
<Table
id="skillsTable">
<columns>
<Column>
<Label text="Name"/>
</Column>
<Column>
<Label text="Rating"/>
</Column>
</columns>
</Table>
</content>
</Page>
</core:View>
The button on the Detail view calls function showSkills:
showSkills: function(evt) {
var context = evt.getSource().getBindingContext();
this.nav.to("Skills", context);
var skillsController = this.nav.getView().app.getPage("Skills").getController();
skillsController.updateTableBinding();
Within 'this.nav.to("Skills", context);' I add the Skills view to the splitApp and set its bindingContext to the current binding context (e.g. "EmployeeSet('000001')"). Then I call function updateTableBinding in the controller of the Skills view which dynamically binds the items in the table based on the selected employee. So, when the ID of the selected employee is '000001', the path of the table's item binding should be "/EmployeeSet('000001')/Skills"
updateTableBinding: function(){
var oTemplate = new sap.m.ColumnListItem(
{cells: [
new sap.m.Text({text : "{Name}"}),
new sap.m.Text({text : "{Rating}"})
var oView = this.getView();
var oTable = oView.byId("skillsTable");
var oContext = oView.getBindingContext();
var path = oContext.sPath + "/Skills";
oTable.bindItems(path, oTemplate);
Allthough it works fine, this is where I have my first doubt. Is this the correct way to bind the items? I tried to change the context that is passed to this.nav.to and wanted it to 'drill-down' one level, from Employee to Skills, but I couldn't manage to do that.
I also tried to bind using the items aggregation of the table within the XML declaration (<Table id="skillsTable" items="{/EmployeeSet('000001')/Skills}">). This works fine if I hard-code the employee ID but off course this ID needs to be dynamic.
Any better suggestions?
The second doubt is about the template parameter passed to the bindItems method. This template is declared in the controller via javascript. But I'm using XML views! So why should I declare any content in javascript?? I tried to declare the template in the XML view itself by adding an items tag with a ColumnListItem that has an ID:
<items>
<ColumnListItem
id="defaultItem">
<cells>
<Text text="{Name}"/>
</cells>
<cells>
<Text text="{Rating}"/>
</cells>
</ColumnListItem>
</items>
Then, in the updateTableBinding function, I fetched this control (by ID), and passed it as the template parameter to the bindItems method. In this case the table shows a few lines but they don't contain any data and their height is only like 1 mm! Does anyone know where this strange behaviour comes from or what I'm doing wrong?
I hope I explained my doubts clearly enough. If not, let me know which additional info is required.
Looking forward to your opinions/suggestions,
Rudy Clement.Hi everybody,
I found this post by searching for a dynamic binding for well acutally not the same situation but it's similar to it. I'm trying to do the following. I'm having a list where you can create an order. On the bottom of the page you'll find a button with which you're able to create another order. All the fields are set to the same data binding ... so the problem is if you've filled in the values for the first order and you'll press the button you'll get the same values in the second order. Is it possible to generate a dynamic binding?
I'm going to post you a short code of what I'm meaning:
<Input type="Text" value="{path: 'MyModel>/Order/0/Field1'}" id="field1">
<layoutData>
<l:GridData span="L11 M7 S3"></l:GridData>
</layoutData>
</Input>
As you can see I need to set the point of "0" to a dynamic number. Is there any possibility to reach this???
Hope you can help
Greetings
Stef -
Dynamically binding VO Parameter from Context Switcher
Hi guys,
I am using ADF JSF and BC, and I have a situation here which is:
1) My JSF page has a panel page component, inside it is a navigable form referencing a View Object.
2) In the contextSwitcher facet of this PanelPage, i have a SelectInputText which points to a "Globals" VO, having only one row ever (similar to SRDemo)
3) When the LOV returns value to this field, i must re-bind the navigable form VO Query to this value, and the form must show the first record of the NEW rowset.
The solution i am writing uses a ValueChangeListener on the SelectInputText, which runs an Application Module method that gets the value from the Globals VO and re-runs the query using "vo.setWhereClause" and "vo.executeQuery".
However, even though i debug the application and see the query being executed, the form shows strange behavior, as the page then re-runs the query, but swaps the first row of the new rowset with the row currently displayed. For example, suppose that i am seeing row "X" on the page and select a value from the LOV. The new execution fetches rows "Y" and "Z" from DB. When i scroll the page, i see that the first record is "X" again, followed by "Z"!
Do you have any idea of what could be the problem? Maybe a form clearance issue with ADF? Or i shouldn't be using dynamic binding with UPDATEABLE fields on the page, only when i use READ-ONLY fields?
Thanks a lot, and regards!
ThiagoThiago,
you are not showing any of your code and I can only assume that this is a coding problem of yours.
Frank -
Dynamic binding in Webservices (UDDI)
Hi,
I would like to know if it's possible to create a Webservice proxy (stub) with dynamic binding: I mean, if I change details in the UDDI Registry, because binding is resolved at run-time, I don't need to change any code in proxy.
I'm trying the web service proxy wizard and what creates is a bound proxy. Is there any restriction in the kind of services that are published in the ws registry?
Thanks. Miquel.Hi,
you could receive the attributes of the node by calling method get_attributes of the node info object.
Afterwards you have to instantiate a RTTI object (cl_abap_structdescr) with a description of the attributes.
Then you have to create the structure by using create data.
Example:
DATA lo_struc_type TYPE REF TO cl_abap_structdescr.
DATA: struc_comp_table TYPE cl_abap_structdescr=>component_table.
DATA: dref TYPE REF TO data.
FIELD-SYMBOLS: <struc> TYPE ANY.
lo_struc_type = cl_abap_structdescr=>create( struc_comp_table ).
CREATE DATA dref TYPE HANDLE lo_struc_type.
ASSIGN dref->* TO <struc>.
In my opinion it is too complicated to realize your requirement in this way...
Kind regards -
Polymorphism , Dynamic Binding, Widening and I'm totally confused
class Fruit
private String name;
public String getName()
return this.name;
class Apple extends Fruit
private String typeOfApple;
public void setTypeOfApple(String type)
this.typeOfApple=type;
public String getTypeOfApple()
return this.typeOfApple;
class Banana extends Fruit
private String typeOfBanana;
public void setTypeOfBanana(String type)
this.typeOfBanana=type;
public String getTypeOfBanana()
return this.typeOfBanana;
public class ExceptionTesting
public static void main(String args[])
Fruit obj=new Apple();
obj.setTypeOfApple(); // ??? Why can't I do this ???
}how can I achieve something like underneath by modifying above code ???
Fruit whateverFruit=new Apple();
whateverFruit.setTypeOfApple();
whateverFruit=new Banana();
whateverFruit.setTypeOfBanana();
whateverFruit=new Orange();
whateverFruit.setTypeOfOrange();
...Harry_lynn_17 wrote:
I do apologize if it's become sound like stupid or something . I know somehow it's not very suitable to think in that way but I was just thinking of the object reference variable as a pointer becauseA reference is like a "filtered" pointer to an object: it will only show that part of the object that corresponds with the type of the reference. So after "Fruit whatever = new Banana();", the "whatever" reference only shows the "Fruit" part of the "Banana" object. This means you can only call methods that are defined in Fruit, not those defined in Banana.
Dynamic binding means the JVM will decide at runtime which method implementation to invoke based on the class of the object. So, I thought
Fruit whateverFruit=new Banana(); and then if i tried to invoke whateverFruit.yellowBanana(); then the compiler will try to find the method out and executed automatically.That's not what it means. It means when you have "Fruit whatever = new Banana()" and you call "whatever.getName()", it will call the getName() method from Banana, if Banana overrides the implementation of Fruit. You can still only use methods that are defined in Fruit through a reference of type Fruit. In this case, it doesn't seem that the behaviour of setTypeOfApple() is different from setTypeOfBanana(), so ejp's recommendation to just create a setType() method in Fruit is correct.
Polymorphism means a variable of a superclass type to hold a reference to an object whose class is the superclass or any of its subclasses. So, I thought Fruit whateverFruit is somehow capable to hold the reference of its subclasses and can be used to reference of its subclasses. That's basically correct. However, the variable will only expose the superclass part of the subclass object.
I got confused with all those stuff and kinda lost. There's one more thing. What's the point of doing something like this Fruit apple=new Apple() if I can't reference to an instance of apple object ?? I mean I could just simply write like this Fruit aFruit=new Fruit(). Sorry, if i've become sound like a fool but i'm really confused. Please help me out of this and thanks in advance.The point of having any superclass/subclass combo is that your problem domain demands that you make the distinction: sometimes you need to be able to treat an object as Fruit, sometimes you need to be specific and treat it like an Apple. For example, if you sell fruit and need to calculate the total price of a fruit basket, all you need to know is that each piece of Fruit has a getPrice(), you don't need to know that one piece is an Apple and another piece is a Banana. However, if a customer demands a kilogram of apples, you need to make sure you give him only Apples and not Banana's.List<Fruit> fruitBasket = new ArrayList<Fruit>();
fruitBasket.add(new Apple("Granny Smith"));
fruitBasket.add(new Banana("Chiquita"));
fruitBasket.add(new Apple("Golden Delicious"));
int priceOfBasket = 0;
for(Fruit pieceOfFruit:fruitBasket) {
priceOfBasket += pieceOfFruit.getPrice();
Set<Apple> appleScale = new HashSet<Apple>();
appleScale.add(new Apple("Granny Smith"));
appleScale.add(new Apple("Golden Delicious"));
appleScale.add(new Banana("Chiquita")); // ERROR -
Howto dynamicly bind XML element to a TextInput using BindingUtils?
The question is: Howto dynamicly bind XML element to a
TextInput component using BindingUtils?
Now I use following codes:
<!--
[Bindable] private var xml: XML =
<item><label>list1</label></item>;
// initialize code for application's initialize event
private function init(): void {
BindingUtils.bindProperty(txtDemo, "text", xml, "label");
//click event
private function test(): void {
xml.label = "something";
// txtDemo.executeBindings(); //---- no use anymore
-->
<mx:TextInput id="txtDemo"/>
<mx:Button label="Test" click="test()"/>
My really idea is when bindable xml property is changed, then
the textinput will be updated as hoped. However, no update happens
to me when I click the Test button.
But, if I make codes like that:
<mx: TextInput id="txtDemo" text="{xml.label}"/>
the text will updated when xml changs.
So, what happened, I indeed need the dynamicly bind to the
textinput compont.
Help me. thanks.You could use an ObjectProxy since all subproperties will
then be bindable:
private var _xml:XML =
<item><label>list1</label></item>;
private var _opXML:ObjectProxy = new ObjectProxy(_xml);
then in your init() function you declare _opXML as the host
object with the bindable property "label"...
// initialize code for application's initialize event
public function init(): void {
BindingUtils.bindProperty(txtDemo, "text", _opXML, "label");
//click event
private function test(): void {
_opXML.label = "something";
You'll notice that if you check your original _xml.label
property with ChangeWatcher.canWatch(), it returns false. But if
you create a dedicated object with a property that can be declared
as bindable, canWatch() returns true. You'd probably be best off to
write a lightweight class that can act as your model if you want to
work with dynamic XML binding using Actionscript. This will allow
you to use a bindable getter and setter that will give you the
dynamic functionality you're looking for.
Hope that helps. -
i have a a class (say class1) whi uses another class (say class 2) in class i have a public field which class 2 is accessing now i have changed class 2 such that that field is no more public & compiled , now class 1 is actually accessing a private field but it does not show any error , also i found out from some where that java -verify option will inform you that you have to compile class cos class 2 is already changed .so question is why it does not throw any run time exception why -verify option is not doccumented
This doesn't have anything to do with dynamic binding.
This allows you to compile one class without
recompiling every dependent class. At runtime, when
the other classes try to access those variables you
should get an error.And if you're not getting the error (like your post seems to indicate), then you're probably not really using that version (with the now-private field) of the compiled class at run-time, but rather the old one because you goofed your classpath. -
Dynamic binding for table column
Hi,
I am using standard application and in a table (not ALV) i want to chnage the name of a column. Already a OTR is placed in it so am planning to do a dynamic bind for the text in the header. Kindly suggest ways.
Thanks,
KoushikDATA:
l_caption TYPE string,
l_title TYPE string.
data lr_caption type ref to cl_wd_caption.
*---Get OTR Text for Value Description
CALL METHOD cl_wd_utilities=>get_otr_text_by_alias
EXPORTING
alias = 'ZPERF_MGMT_DEV/RATING'
language =
RECEIVING
alias_text = l_title.
lr_caption ?= view->get_element( 'TBL_VAL_HELP_DESCRIPTION_HEADER' ).
lr_caption->set_text( value = l_title ). -
What is Dynamic Usage Variance in ML?
Hi Experts,
What is Dynamic Usage Variance in ML? How does it effect the Periodic Unit Price calculated at the end of the period?
Regards
Srikanth MunnaluriHi,
Distribution of usage variances specially comes in scenarios like Physical Inventory checkup and its adjustments to derive the actual costing.
Physical Inventory documents generally posted to adjust the physical inventory and the inventory as per sap. These total adjustments have to be made based on the quantity consumed on each order. Ofcourse this scenario is project specific.
This ensures auto consideration at the time of determination of periodic unit rate in actual cost run. These adjustments will revaluate the consumption.
This dynamic usage variance is applicable both for the inventory and for activity rates.
U have to maintain the following configuration-
Controlling>Product Cost Controlling>Actual Costing-->Activate Distribution of Consumption Differences
Once these settings are in place, u have to run either some or all of the following--
CKMDUVACT - Distribution of Activity Differences
CKMDUVMAT - Distribution of Inventory Differences
CKMDUVREC - Enter Actual Activity Quantities
if u want view the differences before executing above transactions, u can view by using
CKMDUVSHOW - Display Inventory and Activity Differences
Regards
Sudhakar Reddy
Edited by: Sudhakar Reddy K.V. on Sep 14, 2009 2:11 PM -
In HR ABAP WHAT IS DYNAMIC ACTIONS? GIVE ME ONE EXAMPLE?
DEAR EXPERTS
in HR ABAP WHAT IS DYNAMIC ACTIONS? GIVE ME ONE EXAMPLE?Dynamic actions are nothing but calling one more Infotype when trying to Create/Change or Delete a perosnnel number.
Lets take an example company want that whenever an employee Communication data Fax/mobile no entered then immediately they want to make their email IDs depending upon VORNA NACHN of the personnel numbers data.Then at this point they will configure dynamic actions.But as a technical consultanat u will be given a Program name and the subroutine name in which u need to write the coding.
Dynamic actions are a great tool to make infoytpe maintenance easier. When you create an infotype you can create another one automatically for example. Dynamic actions work for both master data and applicant data infotypes. It is basically a view on table T588Z you can reach via IMG - Personnel management - Personnel administration - Customize procedures - Dynamic actions.
The table view looks like this:
Infotype - Subtype - Field - Function code - Number - Step - Variable function part
The infotype, subtype and field determine what should be created, filled, modified and so on.
The function code determines when something should happen. It can have the following values:
* 02 - Change record
* 04 - Create record
* 08 - Delete record
These values can be added so e.g. 06 means change record + create record. Remember - this only tells us when something should be done.
The number simply tells us which step is first and which next. I recommend to go by 10's (10, 20, 30,40...), this makes it easier if you later on want to fill something in.
The step determines what should be done. It can have 6 values:
* P - check conditions under which something is done
* I - maintain infotype record
* W - set default values for new record
* V - Reference to another step
* F - call a routine
* M - send mail
Reward if found Helpful -
Dynamically Binding to Dynamically Create View
I tried to copy the code of Dynamically Binding to Dynamically Create View object but something is wrong because when I am debbuging it doesnt work after the sentence vo.executeQuery();
I suspect that the reason could be how I created the view..
Your code is running well but not mine.
It shows this error
JBO-29000: Unexpected exception caught: java.lang.NullPointerException, msg=null
null
I dont know why because the code is the same.
How did you create the objet view ?
Could you help me?I'd recommend checking out this article on Debugging ADF Applications:
http://www.oracle.com/technology/products/jdev/tips/muench/debugger/index.html
and then reporting here the full stack trace using the tips described in that article. -
Nic teaming - what is dynamic load balancing
When set up nic teaming in Windows 2012 I have the option of selecting "Address Hash", "Hyper-V Port", or "Dynamic" for the load balancing mode. The technet documentation explains "Address Hash" and "Hyper-V
Port" but there is nothing about "Dynamic". Is there anywhere I can find a description of what the "Dynamic" option provides?Microsoft's official recommendation is to use Dynamic load balancing in most configurations.
Section 3.3 of
the NIC Teaming Deployment Guide explains what Dynamic is. Section 3.4 suggests when to use Dynamic load balancing, and when to use other modes.
I suggest reading the Guide from start to finish. I learn new things every time I look at it. -
Dynamic binding of partner links with different payloads
In dynamic binding of partner links, can we have different payloads for different
webservices ?Hi Marc,
I have one question regarding the use of <xsd:anyType>, Before that let me clear our requirement. We are trying to create a BPEL flow (Consumer) which has the ability to call other webservices (Producers) dynamically. There can be a number of Producer Webservices performing the same task. The end user should be able to add new Producer Webservices and remove already existing ones. We achieved this using EndPointReference (http://www.oracle.com/technology/pub/articles/bpel_cookbook/carey.html) but the problem with this approach is that all the producer webservices have to work on a common schema. We want to support webservices working on different payloads.
My understanding is that when we map the XML document to xsd:anyType in the service's WSDL file, the producer web service need to have an implementation of this type in for of a java class. Is this correct ? Or can we provide the java implementation in our code itself? Can you please point me to some detail documentation on xsd:anyType?
Thanks -
I have a problem, i want to use a extend to arraylist to implement different validation to objects. So i added a method add(Person person), dynamic binding, but it has a incorrect behavior, i think
import java.util.ArrayList;
import java.util.Collection;
public class Test {
class MyList extends ArrayList {
public boolean add(Object arg0) {
System.out.println("add norm");
return super.add(arg0);
public boolean add(Person arg0) {
System.out.println("add person");
return super.add(arg0);
class Person{
public static void main(String[] args) {
new Test().test();
private void test() {
Collection col1 = new MyList();
col1.add(new Person());
ArrayList col2 = new MyList();
col2.add(new Person());
MyList col3 = new MyList();
col3.add(new Person());
}My output=
add norm
add norm
add person
My wanted output
add person
add person
add person
Why?in case you don't understand why you're getting "addning norm"
you are using polymorphism. You declared your objects to be of type Collection and ArrayList. This means you can only use methods of those type, eventhough the underlying object is a MyList instance. Now, Collections and ArrayList class only have the add(Object obj) method signature....so, when you say add(new Person()), it will only see add(Object obj)
When you declared your object as MyList, then it see add(Person p), so it use the add(Person p) method. -
Dynamic bind parameters failure
Hi
Ive dynamically bind parameters in view object
JHeadstart 10.1.2.0 (build 19). The data is getting bind. But with the following error. Kindly help me.
regards
Jayashri
17:30:42 DEBUG (JhsDataAction) -ViewObject programView1: value of bind param 0 set to 04
17:30:42 DEBUG (JhsDataAction) -ViewObject programView1: value of bind param 1 set to BORE
17:30:42 DEBUG (JhsDataAction) -ViewObject programView1: executing query, bind parameter values have changed
05/04/01 17:30:43 java.sql.SQLException: Missing IN or OUT parameter at index:: 1
05/04/01 17:30:43 at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:137)
05/04/01 17:30:43 at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:174)
05/04/01 17:30:43 at oracle.jdbc.driver.OraclePreparedStatement.processCompletedBindRow(OraclePreparedStatement.java:1552)
05/04/01 17:30:43 at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:2896)
05/04/01 17:30:43 at oracle.jdbc.driver.OraclePreparedStatement.executeQuery(OraclePreparedStatement.java:2942)
05/04/01 17:30:43 at oracle.jbo.server.QueryCollection.buildResultSet(QueryCollection.java:691)
05/04/01 17:30:43 at oracle.jbo.server.QueryCollection.executeQuery(QueryCollection.java:547)
05/04/01 17:30:43 at oracle.jbo.server.ViewObjectImpl.executeQueryForCollection(ViewObjectImpl.java:3422)
05/04/01 17:30:43 at oracle.jbo.server.ViewRowSetImpl.execute(ViewRowSetImpl.java:663)
05/04/01 17:30:43 at oracle.jbo.server.ViewRowSetImpl.executeQueryForMasters(ViewRowSetImpl.java:769)
05/04/01 17:30:43 at oracle.jbo.server.ViewRowSetImpl.executeQuery(ViewRowSetImpl.java:706)
05/04/01 17:30:43 at oracle.jbo.server.ViewObjectImpl.executeQuery(ViewObjectImpl.java:3361)
05/04/01 17:30:43 at oracle.adf.model.bc4j.DCJboDataControl.executeIteratorBindingIfNeeded(DCJboDataControl.java:803)
05/04/01 17:30:43 at oracle.adf.model.binding.DCIteratorBinding.executeQueryIfNeeded(DCIteratorBinding.java:1587)
05/04/01 17:30:43 at oracle.adf.model.binding.DCBindingContainer.refreshControl(DCBindingContainer.java:1544)
05/04/01 17:30:43 at oracle.jheadstart.controller.strutsadf.action.JhsDataAction.applyIterBindParams(JhsDataAction.java:2785)
05/04/01 17:30:43 at oracle.jheadstart.controller.strutsadf.action.JhsDataAction.prepareModel(JhsDataAction.java:3136)
05/04/01 17:30:43 at oracle.adf.controller.struts.actions.DataAction.prepareModel(DataAction.java:486)
05/04/01 17:30:43 at oracle.adf.controller.lifecycle.PageLifecycle.handleLifecycle(PageLifecycle.java:105)
05/04/01 17:30:43 at oracle.adf.controller.struts.actions.DataAction.handleLifecycle(DataAction.java:223)
05/04/01 17:30:43 at oracle.jheadstart.controller.strutsadf.action.JhsDataAction.handleLifecycle(JhsDataAction.java:389)
05/04/01 17:30:43 at oracle.adf.controller.struts.actions.DataAction.execute(DataAction.java:155)
05/04/01 17:30:43 at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
05/04/01 17:30:43 at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
05/04/01 17:30:43 at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1485)
05/04/01 17:30:43 at oracle.jheadstart.controller.strutsadf.JhsActionServlet.process(JhsActionServlet.java:127)
05/04/01 17:30:43 at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:509)
05/04/01 17:30:43 at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
05/04/01 17:30:43 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
05/04/01 17:30:43 at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)
05/04/01 17:30:43 at oracle.security.jazn.oc4j.JAZNFilter.doFilter(Unknown Source)
05/04/01 17:30:43 at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:649)
05/04/01 17:30:43 at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:322)
05/04/01 17:30:43 at com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:220)
05/04/01 17:30:43 at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1069)
05/04/01 17:30:43 at org.apache.struts.action.RequestProcessor.internalModuleRelativeForward(RequestProcessor.java:1012)
05/04/01 17:30:43 at org.apache.struts.action.RequestProcessor.processForward(RequestProcessor.java:582)
05/04/01 17:30:43 at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:260)
05/04/01 17:30:43 at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1485)
05/04/01 17:30:43 at oracle.jheadstart.controller.strutsadf.JhsActionServlet.process(JhsActionServlet.java:127)
05/04/01 17:30:43 at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:509)
05/04/01 17:30:43 at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
05/04/01 17:30:43 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
05/04/01 17:30:43 at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)
05/04/01 17:30:43 at oracle.security.jazn.oc4j.JAZNFilter.doFilter(Unknown Source)
05/04/01 17:30:43 at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:649)
05/04/01 17:30:43 at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:322)
05/04/01 17:30:43 at com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:220)
05/04/01 17:30:43 at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1069)
05/04/01 17:30:43 at org.apache.struts.action.RequestProcessor.internalModuleRelativeForward(RequestProcessor.java:1012)
05/04/01 17:30:43 at org.apache.struts.action.RequestProcessor.processForward(RequestProcessor.java:582)
05/04/01 17:30:43 at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:260)
05/04/01 17:30:43 at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1485)
05/04/01 17:30:43 at oracle.jheadstart.controller.strutsadf.JhsActionServlet.process(JhsActionServlet.java:127)
05/04/01 17:30:43 at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:509)
05/04/01 17:30:43 at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
05/04/01 17:30:43 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
05/04/01 17:30:43 at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)
05/04/01 17:30:43 at oracle.security.jazn.oc4j.JAZNFilter.doFilter(Unknown Source)
05/04/01 17:30:43 at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:16)
05/04/01 17:30:43 at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:239)
05/04/01 17:30:43 at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:20)
05/04/01 17:30:43 at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:239)
05/04/01 17:30:43 at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:20)
05/04/01 17:30:44 at oracle.jheadstart.controller.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:172)
05/04/01 17:30:44 at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:645)
05/04/01 17:30:44 at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:322)
17:30:44 DEBUG (JhsDataAction) -ViewObject programView1: bind parameter values have not changed
05/04/01 17:30:44 at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:790)
05/04/01 17:30:44 at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:270)
05/04/01 17:30:44 at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:112)
05/04/01 17:30:44 at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:186)
05/04/01 17:30:44 at java.lang.Thread.run(Thread.java:534)Hi Stevan
I'm using JSP.
Ive used request parameters for binding in the where clause {app_cycle=:1 and college_code='MICH'}in application structure i gave ${param.appcycle},${param.collegecode} , which the page is loaded successfully. Dont know how did that error got cleared. Anyway now session is the problem.
I want to use session and not request parameters.
How to achieve this. I dont understand the help give in the query bind parameters tab in application structure file. It says ${MyObject.MyParameter}
in Jsp session is the object. Assuming that i gave ${session.appcyle} where appcycle is the parameter which holds the value. But it didnt work
Kindly help on this.
regards
Jayashri
regards
Jayashri
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