Business Methods written in Flex 4

Hello all,
We have a flash plugin which was developed using Flex Builder 4.0. The plugin loads properly in the Streamwork but only in FireFox browser and not in IE7 or IE8.
Could you please tell is there an compatibility issue with IE.
Secondly the Flashvars itemUuid are not getting to the Business method. Is it because of using Flex 4.0.
Could you please clarify this.
Thanks
Kind Regards
Chandan

Hi Chanda
There shouldn't be a problem with IE. It seems like more of a compatibility issue between your Flex app and the browsers.
Unless there is some problem with the Flex API.
Can you give a good example of the call that's not working for you.

Similar Messages

Coding custom business methods in ADF BC Application Module ?

Dear All,
Where do i put my custom business methods in ADF BC Application Module ?
Can anyone point me to a good tutorial which gives a good insight into developing ADF BC Applications ?
Thanks,
Raghavendra

Hi,
there will be a developer guide out soon. Its written by Steve Muench and provides an indepth walk-through ADF BC.
To answer your question, custom code is written in Java files on the ApplicationModule, ViewObject and EntityObject level. If you go to the Editor of each of these components there is an option for you to create Impl.java and RowImpl.java files. The first is for generic business logic, the latter for row based logic
Frank

Calling Enity Bean's business methods from a session bean in EJB 3.0 specif

Hello everybody,
Happy to be a member with you in this forum.
This is my first participation in this forum.
I have some problem to start with EJB 3.0 specification, I have created an entity bean with some business methods that access a mysql datbase, then i want to create a stateful session bean to provide the client an interface to consume business methods in Enity be
Please can someone you help me with an example

@Vladimir Pavlov
I did not understand what you are trying to convey...
Whenever an attribute of this bean is modified we want to access that latest value.... Is there any way to know, when the attribute is modified? Just with get/set we can not know, when it is modified... am i right?
We want to achieve this without modifying the existing source code of the EJB....
@ Ivo Simeonov
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How to call a web service from a session bean's business method???

Hi Experts,
Can anybody help in calling a web serivce frm a session bean's business method??
Hw do we do that?
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Pls help,
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Amey

Hi Amey,
You can achieve this using the followin 2 Step implementation:
1. [Creating a Deployable Proxy|http://help.sap.com/saphelp_nw70/helpdata/EN/2d/b9766df88f4a24967dae38cb672fe1/frameset.htm]
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Calling session bean's business method through web dynpro component

Hi All,
Can anybody tell me how to call a session bean's methods through a web dynpro WITHOUT java-model or web service model ??
I have following scenario:-
1. Stateless Session bean having two business methods
2. Web Dynpro component
3.Now i want to call business methods without using any model. I have got following piece of code but I dont know how to go about it.
4.Where do i have to set JNDI name for session bean? which interface will be looked for?
5. Do I have to declare public part for EJB DC? If yes, how?
//This is inside web dynpro component
InitialContext context = new InitialContext();
o = context.lookup(JNDIName);
TestSessionbeanHome homeRef = (TestSessionbeanHome) PortableRemoteObject.narrow( o,
TestSessionbeanHome.class);
TestSessionbean beanRef = homeRef.create();
<returnValue> = beanRef.<ejb method name>
Please help to get a step-by-step approach to this case.
Thanks and regards,
Amey Mogare

Hi,
If I comment out the part that is using session bean's business method, DC is building fine.
And if I uncomment, then compiler is unabl eto resolve business method(s).
And i would like to mention that my EJB + J2EE App DC is building properly, but it havent yet deployed properly as I am waiting for data-source-alias name prefix to be configured by ERP team. So will this be a reason why Web Dynpro DC is not able to resolve business methods ??
Because Web Dynpro DC is able to resolved all interfaces of Session bean and entity bean. But when it comes to business method, its not able to resolve.
Any more ideas why it is not happening?
Pls help.
Now i went through some forum posts regarding this and found that we also need to add EJB DC to Java Build Path for WebDynproDC>Properties>Java Build Path.
I did this and now it is able to resolve business methods and DTOs as well. So to summarize I did following:-
1. Added EJB DC (complete DC) as a Used DC to Web Dynpro DC with Buid-n-Deploy-n-Run time dependency
2. Added Sharing reference of J2EE application DC to Web Dynpro DC -->Properties
This reference I constructed as follows:-
<vendorname>/<name of j2ee application as appearing under display name tag in application.xml (replacing '/' with '~')>
So my Sharing Reference becomes:- <vendorname>/reqpstapscreqpstapja_reqid
3. Added EJB DC to Java Build Path in Web Dynpro DC's properties
4. Then I added following piece of code to get object of SessionBean class
InitialContext context = new InitialContext();
Object o = context.lookup("java:comp/env/ejb/SessionRequestIDBean");
SessionRequestIDHome homeRef = (SessionRequestIDHome) PortableRemoteObject.narrow(o, SessionRequestIDHome.class);
SessionRequestID beanRef = homeRef.create();
beanRef.<business method>
But After doing this I am facing another problem :-
The build fails saying it is not able find the package for DTOs. But when I see the Component Controller's code it is not showing any red or yellow marks.
Can anybody pls help me out here?
Thanks and regards,
Amey Mogare

Problem generating Web Service with business methods in multiple EJB's

Hi,
I'm I a "web service novice" but I'm working with an
application which was developed in an earlier version
of Studio which has
~30 business method coming from ~12 EJB's. When I attempt
to recreate the Web Service in Java Studio Enterprise 7 (had same problem versions 5 and 6) I have trouble. When I execute the "Generate Web Service Files" command I get complilation errors in the <webservice_name>.java file. It is obvious that the
protected Map theJNDIMap = makeJNDIMap();
protected Map makeJNDIMap() {
 Map m = new HashMap();
 // This map might get changed at deployment time
 m.put(......
is all screwed up. Entries are missing and the closing bracket isn't even there.
Is there some user error on my part?
Is this a know bug (I couldn't any info. and I get the same behavior on the current and older versions of Studio)?
Is there a workaround? I can fix this particular java file and compile it sucessfully. However, I'm still missing many of the other web service files that should be generated for me.
All the tutorials on web services that I've done to looked over all get there business method from 1 EJB :(
Please advise,
Freda Phelps

I had a problem too. Successfully created an EJB and its test application. Tested the same using Web client and works fine. Now created a web service from EJB methods. It created the skeletons. When tried creating Web Svc test client or web svc other files..it gives me an exception saying xmlservices.jar doesnt exist in the C:\Docs and Settings\<$username>\.jstudio\Ent04Q4modules. I have searched for this file and copied (overwritten) it into this directory. But still i cant proceed further.

An exception occurred during the call of a business method

An unexpected exception occurred during the call of a
business method...Im calling the business object thru the business Delegate.Im calling the business method with an argument as hash table .. And Im using Oracle 9i application server.. Hash table contains data packed in the form of xml...
The exception thrown is
java.lang.IndexOutOfBoundsException int java.io.ObjectInputStream.read(byte[], int, int) ObjectInputStream.java:1808 void oracle.xml.io.XMLObjectInput.ensureCapacity(int) XMLObjectI nput.java:347 byte oracle.xml.io.XMLObjectInput.peekByte() XMLObjectInput.java :163 void oracle.xml.parser.v2.XMLNode.readChildNodes(oracle.xml.io.XM LObjectInput, oracle.xml.comp.CXMLContext) XMLNode.java:1800 void oracle.xml.parser.v2.XMLNode.readChildNodes(oracle.xml.io.XM LObjectInput, oracle.xml.comp.CXMLContext) XMLNode.java:1797 void oracle.xml.parser.v2.XMLNode.readChildNodes(oracle.xml.io.XM LObjectInput, oracle.xml.comp.CXMLContext) XMLNode.java:1797 void oracle.xml.parser.v2.XMLNode.readChildNodes(oracle.xml.io.XM LObjectInput, oracle.xml.comp.CXMLContext) XMLNode.java:1797 void oracle.xml.parser.v2.XMLElement.readExternal(java.io.ObjectI nput) XMLElement.java:1574 int java.io.ObjectInputStream.inputObject(boolean) ObjectInputS tream.java:1212 java.lang.Object java.io.ObjectInputStream.readObject(boolean) ObjectInputSt ream.java:386 java.lang.Object java.io.ObjectInputStream.readObject() ObjectInputStream.ja va:236 void java.util.Hashtable.readObject(java.io.ObjectInputStream) H ashtable.java:799 java.lang.Object java.lang.reflect.Method.invoke(java.lang.Object, java.lang.Object[]) native code boolean java.io.ObjectInputStream.invokeObjectReader(java.lang.Objec t) ObjectInputStream.java:2214 int java.io.ObjectInputStream.inputObject(boolean) ObjectInputS tream.java:1411 java.lang.Object java.io.ObjectInputStream.readObject(boolean) ObjectInputSt ream.java:386 java.lang.Object java.io.ObjectInputStream.readObject() ObjectInputStream.ja va:236 java.lang.Object com.evermind.server.ejb.EJBUtils.cloneObject(java.lang.Objec t, com.evermind.server.ejb.AbstractEJBHome)

Carol,
The file is not being read by the programmer.
The problem seems to be coming when the code tries to return from an ejb call A hashtable is returned while coming back. In this hashtable, the data is present in the form of XML DOM Object(oracle implmentation, because oracle xml development kit is used). I think this exception is coming when EJB tries to serialise the object to send it back.
So, this exception is compeletely stemming from internal classes of Oracle
The code is part of a web project.
regards,
Amol Behrani

Update object returned by a business method in stateful session bean

I have a business method in stateful session Bean returning an Object "myObject getObject()". This object can be modified by the client.
Is it necessary at the end to notify the bean about the changes with some kind of business method "setObject(Object myObject)"? or
the client and the bean have the same reference to the object and it isn't necessary?
Thanks

When an EJB returns a value, it is serialised across the wire and is effectively lost to the EJB. Any changes to the returned object by the client, will have to be notified by a call on the EJB, as in your post.
Dave

New Business Method in EJB not available in Webdynpro Model

Hi,
I am using EJBs for Business Logic in my webdynpro java application. I have added a new Business Method in one of the session bean. But I am not able to see the new method in webdynpro model. I am following the below procedure -
1. Select the Session bean.
2. Add New Business Method. It automatically adds the method in Remote and Local Interface.
3. Implement thie new method.
4. Build EJB project
5. Add it to EAR
6. Build EAR Project
7. Deploy EAR Project
After following above steps, when I am trying to create a model in my webdynpro project, it does not reflect the changes (context returned by new business method).
Can any one help me on this ?
Thanks in advance,
Gaurav

The issue is resolved. This is the case where methods in beans returns collections. For such scenario, relations have to be created manually, it does not come automatically. For details refer the blog at below link --
/people/balaramnaidu.bankuru/blog/2006/04/23/importing-complex-javabean-model-into-webdynpro-by-creating-relationships-for-the-model-classes
Thanks everyone.
Gaurav

How to call a method written in user control (ascx file) from javascript

Hi to All,
I have one scenario where I need to call a method written in user control (.ascx.cs file) from javascript (ascx file). I tried below code but it is not working, I found later it works only for aspx or asmx file , is it true ??
Code:
$.ajax({
type: "POST",
url: "ViewSearch/SetServerSessionText",
data: "{'name':'" + searchText + "'}",
contentType: "application/json; charset=utf-8",
dataType: "json",
error: function () {
alert("error");
Can anyone please tell me how to call ascx.cs code from javascript ??
Thanks in Advance !!!

yes that is true, ajax calls can only be made to an endpoint like aspx pages/web service, basically anything that can return a http response etc. User Control can be embedded inside of aspx pages.

Got javax.transaction.HeuristicMixedException when calling EJB business methods

 I have developed two EJBs. One is a stateless session bean,
 called InventorySessionBean(JNDI name: Inventory); the other one
 is a CMP Entity Bean called InventoryBean(JNDI name:
 InventoryBean). The InventoryBean represents the business object
 of Inventory. InventoryBean is declared CMT and all methods in
 the beans have attribute "Required". The InventorySessionBean is a session facade
 which encapsulate the business methods of
 InventoryBean. InventorySessionBean is declared CMT and all
 methods in the bean have attribute"RequiresNew" The backend
 database is Ingres.
 I have setup JDBC connection pool, Datasource and Tx Datasource.
 There is a client program which invokes InventorySessionBean to get business data
 from database.
 Actually the InventorySessionBean invokes InventoryBean entity bean to get data
 from database.
 After I starting up the weblogic server, I ran the client program to get data,
 everything works fine.
 After a period of time (about 50 minutes ) from starting the WLS server, I reran
 the client program.
 I got following exceptions:
 Exception while commiting Tx : Name=[EJB com.memec.na.mppl.businessobjects.inventory.InventorySessionBean.getPriceAndAvailability(java.lang.String,ja
 va.lang.String,java.lang.String,java.lang.String)],Xid=4:916d7da2142a593c(2094524),Status=Committed,HeuristicErrorCode=XA_HEURHAZ,numRepliesOwedMe=0,numRepliesOwedOthers=0,seconds
 since begin=3,seconds left=119,ServerResourceInfo[weblogic.jdbc.jts.Connection]=(state=committed,assigned=leiWLS),SCInfo
 [leiwang+leiWLS]=(state=committed),properties=({weblogic.transaction.name=[EJBcom.memec.na.mppl.businessobjects.inventory.InventorySessionBean.getPriceAndAvailability(java.lang.String,java.lang.String,java.lang.String,java.lang.String)],
 weblogic.jdbc=t3://10.1.129.124:7001}),OwnerTransactionManage
 r=ServerTM[ServerCoordinatorDescriptor=(CoordinatorURL=leiWLS+10.1.129.124:7001+leiwang+,
 Resources={})],CoordinatorURL=leiWLS+10.1.129.124:7001+leiwa
 ng+); nested exception is:
 javax.transaction.HeuristicMixedException: (weblogic.jdbc.jts.Connection,
 HeuristicHazard, (javax.transaction.xa.XAException: Error dequeueing
 message for statement connection # 23 type S))
 java.rmi.RemoteException: Exception while commiting Tx : Name=[EJB com.memec.na.mppl.businessobjects.inventory.InventorySessionBean.getPriceAndAvailab
 ility(java.lang.String,java.lang.String,java.lang.String,java.lang.String)],Xid=4:916d7da2142a593c(2094524),Status=Committed,HeuristicErrorCode=XA_HEU
 RHAZ,numRepliesOwedMe=0,numRepliesOwedOthers=0,seconds since begin=3,seconds left=119,ServerResourceInfo[weblogic.jdbc.jts.Connection]=(state=committe
 d,assigned=leiWLS),SCInfo[leiwang+leiWLS]=(state=committed),properties=({weblogic.transaction.name=[EJB
 com.memec.na.mppl.businessobjects.inventory.In
 ventorySessionBean.getPriceAndAvailability(java.lang.String,java.lang.String,java.lang.String,java.lang.String)],
 weblogic.jdbc=t3://10.1.129.124:7001
 }),OwnerTransactionManager=ServerTM[ServerCoordinatorDescriptor=(CoordinatorURL=leiWLS+10.1.129.124:7001+leiwang+,
 Resources={})],CoordinatorURL=leiWL
 S+10.1.129.124:7001+leiwang+); nested exception is:
 javax.transaction.HeuristicMixedException: (weblogic.jdbc.jts.Connection,
 HeuristicHazard, (javax.transaction.xa.XAException: Error dequeueing
 message for statement connection # 23 type S))
 javax.transaction.HeuristicMixedException: (weblogic.jdbc.jts.Connection, HeuristicHazard,
 (javax.transaction.xa.XAException: Error dequeueing message
 for statement connection # 23 type S))
 at weblogic.transaction.internal.ServerTransactionImpl.internalCommit(ServerTransactionImpl.java:237)
 at weblogic.transaction.internal.ServerTransactionImpl.commit(ServerTransactionImpl.java:190)
 at weblogic.ejb20.internal.BaseEJBObject.postInvoke(BaseEJBObject.java:231)
 at com.memec.na.mppl.businessobjects.inventory.InventorySessionBean_9wgxw_EOImpl.getPriceAndAvailability(InventorySessionBean_9wgxw_EOImpl.jav
 a:224)
 at com.memec.na.mppl.processors.Outbound3A2Processor.getData(Outbound3A2Processor.java:202)
 Stop the WLS server and restart it again. Everything works well.
 Any comments to this problem would be really appreciated. Thanks.


Hi
I was using the session bean.Your suggestion helped me a lot.Perfect.
I debug my program and found that from ejbCreate()exception is getting.
I was getting the datasource object thro ejb create() initialisation.
Somehow the look up jndi which i mentioned was not interpretting from ejb-jar.xml ias-ejb-jar.xml and datasource ref .Due to this iam getting jndi Namenotfound exception which in turns to null pointer as datasource is getting null.
when i hardcoded in the ejb the the jndi name for datasource it is working fine.Bit worried all the existing ejbs working with the xml referenced datasource and jndi,but when i added a new ejb with same properties it is failing to get the jndi name.
Piece of code from ias-ejb-jar.xml
<resource-ref>
 <res-ref-name>myDataSource</res-ref-name>
 <jndi-name>jdbc/nb/myData</jndi-name>
</resource-ref>
Piece of code from ejb-jar.xml
<resource-ref>
 <res-ref-name>myDataSource</res-ref-name>
 <res-type>javax.sql.DataSource</res-type>
 <res-auth>Container</res-auth>
</resource-ref>
Thanks a lot meka

Error in Creating Custom Business Methods using ADF Business Comp. Tutorial

I've been working with Jdev 10g Preview for a while. Now that we have Jdev 10g, I have to unlearn some of the Preview methods and learn the "real" way of doing things. To that end, I went out to the "Creating Custom Business Methods using ADF Business Components" tutorial. Unfortunately, I've found what I think is a mistake in the example code.
Specifially, ADF treats the default iterator on View Objects differently than previous BC4J versions. In the older versions, the iterator was positioned before the first row when you first executed a query. In that case, the hasNext() method was used to see if you had any rows at all. In ADF, however, the default iterator is positioned at the first row. So, if your query only returns one row, then the hasNext() method returns false!
Here's the code posted in the tutorial:
public Number getDeptSalaryTotal(String dept_id)
// get a department view object
DepartmentsViewImpl dept = getDepartmentsView1();
dept.setWhereClause("DEPARTMENT_ID = " + dept_id);
dept.executeQuery();
dept.first();
EmployeesViewImpl emps = getEmployeesView3();
Number salaryTotal = new Number(0);
while (emps.hasNext() )
Row empsRow = emps.next();
salaryTotal =
salaryTotal.add((Number)(empsRow.getAttribute("Salary")));
return salaryTotal;
As you can see, this is coded using the pre-10g semantics. It checks hasNext() at the top of the while loop. If there is only one Employee in the Department, hasNext() will return false since the emps View Object will already be positioned at the first and only row. There won't be a next row. So, the salaryTotal will be zero instead of the correct value. Alternatively, if there is more than one row, then hasNext() will be true, but the routine will skip the first row and start totalling salaries from the second row on.
The routine should be recoded as follows:
public Number getDeptSalaryTotal(String dept_id)
// get a department view object
DepartmentsViewImpl dept = getDepartmentsView1();
dept.setWhereClause("DEPARTMENT_ID = " + dept_id);
dept.executeQuery();
dept.first();
EmployeesViewImpl emps = getEmployeesView3();
Number salaryTotal = new Number(0);
Row empsRow = emps.first(); // Get the first row
while (empsRow != null ) // while we have a row
salaryTotal =
salaryTotal.add((Number)(empsRow.getAttribute("Salary"))); // add in the salary
empsRow = emps.next(); // get the next row
return salaryTotal;
I haven't actually executed this code, so there may be a typo or two in there. However, the basic idea is sound -- I think!
Please update the tutorial so we don't mislead people right at the start! :-)

Gary:
I have two questions for you:
1) Could you post the preferred code here?
2) Why is it the preferred method? I would think that creating and destroying another object (the temporary iterator) would be a bad thing.

Transactional business method is called 4 times on failure

Hi I'm experiencing a strange situation. does anybody have an idea what is wrong or just going on?.
There is a stateful session bean which has a transactional business method called 'apply' to delegate insert/update requests to Toplink which will persist data in database. 'trans-attribute' is defined 'Required'. Toplink registers with the OC4J's external transaction.
when there is an error in commiting the data apply method is called 3 more times (4 times in total).
any idea????
thanks
-Erdem.

Hi Erdem,
This question has been discussed previously on this forum.
[However, when I searched the forum archives to make sure, I couldn't find it -- but I _know_ I had a similar problem _and_ found the answer while monitoring this forum!]
In any case, I think the behaviour that you are seeing is caused by the "max-tx-retries" attribute in the "orion-ejb-jar.xml" file. Here is a resource with some more details:
http://kb.atlassian.com/content/orion/docs/deployment/orion-ejb-jar.xml.html
You may also find relevant information at one (or more) of the following Web sites (if you haven't already looked at them):
http://technet.oracle.com
http://tahiti.oracle.com
http://www.orionserver.com
http://www.orionsupport.com
http://www.elephantwalker.com
Hope this helps.
Good Luck,
Avi.

Can Entity Bean with Home Business Method replace Stateless Session Bean?

Since Entity Bean can have business methods in the Home Interface, can we use Entity Bean with Home Business Methods to replace Stateless Session Bean?
I am assuming we can get better performance by doing this since the overhead of creating Component Object can be avoided as compared to stateless session beans.

Requires-new makes the container start a new transaction. Only use that flag
 at the point that you are certain that a NEW transaction should BEGIN. I
 suggest you use Required as your default for all methods in the application,
 and only change that to anything else when you are certain that you should.
 Peace,
 Cameron Purdy
 Tangosol Inc.
 << Tangosol Server: How Weblogic applications are customized >>
 << Download now from http://www.tangosol.com/download.jsp >>
 "A.J,LEE" <[email protected]> wrote in message
 news:3ba5adb2$[email protected]..
 >
 > I find it result in "dead lock"
 > when I call RequiresNew attributed CMP method in session Bean.
 > Then, Is it possible to use CMP which is set with "RequiresNew"
 transaction attribute?
 >
 > I Wonder why.
 >
 > Thanx in advance.

Business Method API - Javascript Array not saving

Hello. I am building a business method that stores a list of URLs in an array. I followed the sample documentation for "using_arrays" at https://streamwork.com/api/methods/com.streamwork.using_arrays.zip.
The insert, update, delete calls work while my method is on screen. However, nothing seems to save. As soon as I switch to a different activity and back, my method returns to its initial state.
Here are my handlers:
var handlers = {
 data_inserted: function(data) {
 arrSAPLaunch.push(data);
 RenderTable();
 data_updated: function(data) {
 for(i=0;i<arrSAPLaunch.length;i++) {
 if(arrSAPLaunch.id==data.id) {
 arrSAPLaunch = data;
 break;
 RenderTable();
 data_deleted: function(data) {
 for(i=0;i<arrSAPLaunch.length;i++) {
 if(arrSAPLaunch.id==data.id) {
 arrSAPLaunch.splice(i,1);
 break;
 RenderTable();
 // RUNS ONCE THE MODULE IS LOADED
 started: function() {
 BuildSAPLiterals();
 RenderControl(Control_Area, initialData.myData);
... and here are my calls....
handlers.clientChannel.publish({type: "delete_array_item", data: {path: "arrSAPLaunch", id: arrSAPLaunch.id }});
handlers.clientChannel.publish({type: "insert_array_item", data:{path: "arrSAPLaunch", value: GetLaunchItem()}});
handlers.clientChannel.publish({type: "update_array_item", data: {path: "arrSAPLaunch",id: arrSAPLaunch[vIndex].id, value: GetLaunchItem()}});
... where GetLaunchItem is a function that returns a javascript object with three properties.
Any idea why this code is not saving to the SAP Streamwork server?
Glen

I changed the calls to use the array named in the initialData object (originally specified in the bundle.xml file). It appears that this is one way to declare the persistent array to the Streamwork system (there may be others but I did not see this in documentation).
handlers.clientChannel.publish({type: "delete_array_item", data: {path: "arrSAP", id: arrSAPLaunch.id }});
handlers.clientChannel.publish({type: "insert_array_item", data:{path: "arrSAP", value: GetLaunchItem()}});
handlers.clientChannel.publish({type: "update_array_item", data: {path: "arrSAP",id: arrSAPLaunch[vIndex].id, value: GetLaunchItem()}});
Glen.

Business Methods written in Flex 4

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