When a Method Returns an Object, does it return a copy or a pointer?

When you have a method that returns an Object, is the Object returning a copy of the Object returned inside
of the Method or is it an Actual pointer to the Object inside of the method's coresponding Object?
so say you have an object ...
Class Something {
JLabel myLabel = new JLable("myLabel");
public JLabel getLabel() {
return myLabel;;
Something something = new Something();
JLable theLabel = something.getLabel()
theLable.setString("theLable");
so when I setString on the Object theLabel , am I going to change the value of myLabel inside of the Object something?

Yes, it returns a pointer.

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Could be many things, we should start with this...
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DATE type returned from function does not return the time component

Hi,
I'm dealing with a strange problem. I have a PL/SQL function (running on Oracle 8.1.4.7) which returns a DATE value. Like we all know the DATE datatype includes a date component and a time component.
The function I used for testing is like this:
FUNCTION ReturnDate return Date is
dReturn Date;
Begin
select sysdate into dReturn from dual;
return dReturn;
end ReturnDate;
When I call this function from .NET using ODP.NET the date value I get does not have the time component included only the day-month-year components.
This is a code-snippet that calls the function :
command.CommandText="Schema.ReturnDate";
command.CommandType=CommandType.StoredProcedure;
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I use the OracleDbType.Date type which I think is the most logical choice, because the type in the Database is after all DATE.
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How do you examine the output Date value?
If it is from the string, then the time components will
not show because the NLS_DATE format in the client
machine does not contain the time components.
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How to trap null return values from getters when using Method.invoke()?

Hi,
I am using Method.invoke() to access getters in an Object. I need to know which getters return a value and which return null. However, irrespective of the actual return value, I am always getting non-null return value when using Method.invoke().
Unfortunately, the API documentation of Method.invoke() does not specify how it treats null return values.
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Thanks

What do you get as a result?I think I know what the problem is.
I tested this using following and it worked fine:
public class TestMethodInvoke {
public String getName() {
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Class cls = o.getClass();
Method m = cls.getMethod("getName", (Class[]) null);
Object result = m.invoke(o, (Object[])null);
if (result == null) {
System.err.println("OK: Return value was null as expected");
else {
System.err.println("FAILED: Return value was NOT null as expected");
However, when I use the same technique with an EJB 3.0 Entity class, the null return value is not returned. Instead, I get a String() object. Clearly, the problem is the the EJB 3.0 implementation (Glassfish/Toplink) which is manipulating the getters.
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Check where your MDB sends the [response] messages to.

CQWP does not return result for a specific query when filtering on a managed metadata field.

Hi,
We are facing a serious production issue. We've search the web extensively but to no avail.
Problem:
CQWP does not return result for a specific query when filtering on a managed metadata field.
ULS log:
The Uls logs provides 3 different messages that I could relate to every time the query is executed. The last item(level Medium) is displayed 14 times. For readability I've moved the ULS logs to the bottom of this question.
Query:
The query is as follows:
(I've translated this from dutch so pardon any typo's)
Query: (top selection) Display items from all sites in the site collection
ListType: Documentlibrary
Contenttype:
Items from this group:Custom Document Contenttypes
Items from this content type: Verklaring
Filter: Soort is equal to X
extra info: the field soort (Type) is a managed metadata field that was assigned the value X
Managed Metadata Structure:
-managed metadata service
-Contoso
    -Enterprise Taxonomy (term set)
      -Document (term)
        -Verklaring (term)
          -Soort (term)
            -x (term)
EXTRA INFO:
When I modify the filter to filter on Title the CQWP DOES return the correct document!
When I modify the query settings to search a specific library the CWQP also does return the correct document! (In this case I am filtering on a managed metadata field).
QUESTION:
Why doesn't the CQWP return the document when filtering on a managed metadata field over the entire site collection.
Why does the CQWP return the document when filtering on a managed metadata field over a single library.
(The type of information the CQWP should return (Soort:x) is stored in a dozen document libraries!)
Here are the ULS logs.
Product: Web Content Management
Category Publishing
Level: Monitorable:
CrossListQueryCache::GetSiteData() caught exception (Microsoft.SharePoint.SPException: Kan deze actie niet voltooien. Probeer het opnieuw. ---> System.Runtime.InteropServices.COMException (0x80004005): Kan deze actie niet voltooien. Probeer
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bij Microsoft.SharePoint.Library.SPRequest.CrossListQuery(String bstrUrl, String bstrXmlWebs, String bstrXmlLists, String bstrXmlQuery, ISP2DSafeArrayWriter pCallback, Object& pvarColumns)     --- Einde van intern uitzonderingsstackpad
---     bij Microsoft.SharePoint.SPGlobal.HandleComException(COMException comEx)     bij Microsoft.SharePoint.Library.SPRequest.CrossListQuery(String bstrUrl, String bstrXmlWebs, String bstrXmlLists, String bstrXmlQuery,
ISP2DSafeArrayWriter pCallback, Object& pvarColumns)     bij Microsoft.SharePoint.SPWeb.GetSiteData(SPSiteDataQuery query)     bij Microsoft.SharePoint.Publishing.CachedArea.GetSiteData(SPWeb web, SPSiteDataQuery
siteDataQuery, Boolean useSpQueryOnList)     bij Microsoft.SharePoint.Publishing.CachedArea.GetCrossListQueryResults(SPSiteDataQuery query, SPWeb currentContext, Boolean onlyPopulateCache, Boolean useSpQueryOnList, Int32 lcid)
bij Microsoft.SharePoint.Publishing.CrossListQueryCache.GetSiteDataResults(CachedArea cachedArea, SPWeb web, SPSiteDataQuery query, Boolean useSpQueryOnList)) for query: '<ViewFields><FieldRef ID="{fa564e0f-0c70-4ab9-b863-0177e6ddd247}"
Nullable="True" Type="Text"/><FieldRef ID="{94f89715-e097-4e8b-ba79-ea02aa8b7adb}" Nullable="True" Type="Lookup"/><FieldRef ID="{1d22ea11-1e32-424e-89ab-9fedbadb6ce1}" Nullable="True"
Type="Counter"/><FieldRef ID="{28cf69c5-fa48-462a-b5cd-27b6f9d2bd5f}" Nullable="True" Type="DateTime"/><FieldRef ID="{1df5e554-ec7e-46a6-901d-d85a3881cb18}" Nullable="True" Type="User"/><FieldRef
ID="{d31655d1-1d5b-4511-95a1-7a09e9b75bf2}" Nullable="True" Type="User"/><FieldRef ID="{8c06beca-0777-48f7-91c7-6da68bc07b69}" Nullable="True" Type="DateTime"/><FieldRef ID="{30bb605f-5bae-48fe-b4e3-1f81d9772af9}"
Nullable="True" Type="Lookup"/><FieldRef ID="{ba3c27ee-4791-4867-8821-ff99000bac98}" Nullable="True" Type="Text"/><FieldRef ID="{c5c4b81c-f1d9-4b43-a6a2-090df32ebb68}" Nullable="True"
Type="Lookup"/><FieldRef ID="{8fca95c0-9b7d-456f-8dae-b41ee2728b85}" Nullable="True" Type="Lookup"/><FieldRef ID="{39360f11-34cf-4356-9945-25c44e68dade}" Nullable="True" Type="Text"/><FieldRef
ID="{543bc2cf-1f30-488e-8f25-6fe3b689d9ac}" Nullable="True" Type="Image"/><FieldRef ID="{43bdd51b-3c5b-4e78-90a8-fb2087f71e70}" Nullable="True" Type="Number"/><FieldRef ID="{9da97a8a-1da5-4a77-98d3-4bc10456e700}"
Nullable="True" Type="Note"/><FieldRef ID="{aea3cd20-8da0-4cb7-803b-5a33079a0e4d}" Nullable="True" Type="Lookup"/><FieldRef Name="ScopeId" /><FieldRef Name="_Level" /><FieldRef
Name="UniqueId" /><ListProperty Name="DraftVersionVisibility" /></ViewFields><Lists ServerTemplate="101"></Lists><Webs Scope="Recursive" /><RowLimit>45</RowLimit><Query><Where><And><BeginsWith><FieldRef
Name="ContentTypeId" Nullable="True" Type="ContentTypeId"/><Value Type="ContentTypeId">0x010100C5FEE83B67FA6445B0C14AE8B7761BB8011E</Value></BeginsWith><In><FieldRef ID="{aea3cd20-8da0-4cb7-803b-5a33079a0e4d}"
LookupId="TRUE"/><Values><Value Type="Counter">783</Value></Values></In></And></Where><OrderBy><FieldRef ID="{8c06beca-0777-48f7-91c7-6da68bc07b69}" Nullable="True"
Type="DateTime" Ascending="FALSE"/></OrderBy></Query>' at url: /. Titel webonderdeel: Inhoudsquery
Product: Web Content Management
Category Publishing
Level: Warning
Error occured while processing a Content Query Web Part. Performing the following query '<ViewFields><FieldRef ID="{fa564e0f-0c70-4ab9-b863-0177e6ddd247}" Nullable="True" Type="Text"/><FieldRef ID="{94f89715-e097-4e8b-ba79-ea02aa8b7adb}"
Nullable="True" Type="Lookup"/><FieldRef ID="{1d22ea11-1e32-424e-89ab-9fedbadb6ce1}" Nullable="True" Type="Counter"/><FieldRef ID="{28cf69c5-fa48-462a-b5cd-27b6f9d2bd5f}" Nullable="True"
Type="DateTime"/><FieldRef ID="{1df5e554-ec7e-46a6-901d-d85a3881cb18}" Nullable="True" Type="User"/><FieldRef ID="{d31655d1-1d5b-4511-95a1-7a09e9b75bf2}" Nullable="True" Type="User"/><FieldRef
ID="{8c06beca-0777-48f7-91c7-6da68bc07b69}" Nullable="True" Type="DateTime"/><FieldRef ID="{30bb605f-5bae-48fe-b4e3-1f81d9772af9}" Nullable="True" Type="Lookup"/><FieldRef ID="{ba3c27ee-4791-4867-8821-ff99000bac98}"
Nullable="True" Type="Text"/><FieldRef ID="{c5c4b81c-f1d9-4b43-a6a2-090df32ebb68}" Nullable="True" Type="Lookup"/><FieldRef ID="{8fca95c0-9b7d-456f-8dae-b41ee2728b85}" Nullable="True"
Type="Lookup"/><FieldRef ID="{39360f11-34cf-4356-9945-25c44e68dade}" Nullable="True" Type="Text"/><FieldRef ID="{543bc2cf-1f30-488e-8f25-6fe3b689d9ac}" Nullable="True" Type="Image"/><FieldRef
ID="{43bdd51b-3c5b-4e78-90a8-fb2087f71e70}" Nullable="True" Type="Number"/><FieldRef ID="{9da97a8a-1da5-4a77-98d3-4bc10456e700}" Nullable="True" Type="Note"/><FieldRef ID="{aea3cd20-8da0-4cb7-803b-5a33079a0e4d}"
Nullable="True" Type="Lookup"/><FieldRef Name="ScopeId" /><FieldRef Name="_Level" /><FieldRef Name="UniqueId" /><ListProperty Name="DraftVersionVisibility" /></ViewFields><Lists
ServerTemplate="101"></Lists><Webs Scope="Recursive" /><RowLimit>45</RowLimit><Query><Where><And><BeginsWith><FieldRef Name="ContentTypeId" Nullable="True" Type="ContentTypeId"/><Value
Type="ContentTypeId">0x010100C5FEE83B67FA6445B0C14AE8B7761BB8011E</Value></BeginsWith><In><FieldRef ID="{aea3cd20-8da0-4cb7-803b-5a33079a0e4d}" LookupId="TRUE"/><Values><Value Type="Counter">783</Value></Values></In></And></Where><OrderBy><FieldRef
ID="{8c06beca-0777-48f7-91c7-6da68bc07b69}" Nullable="True" Type="DateTime" Ascending="FALSE"/></OrderBy></Query>' generated the following error: Kan deze actie niet voltooien. Probeer het opnieuw.
at the following url: /. Titel webonderdeel: Inhoudsquery
Kan deze actie niet voltooien. Probeer het opnieuw. This is Dutch. It means something like: Cannot complete this action. Please try again.
Product: Web Content Management
Category Publishing
Level: Medium (this message is displayed 14 times)
ConsoleUtilies.GetContextualControlMode had no currentPage so the current SPWebPartManager mode cannot be retrieved.

Hi,
while digging through the logging (again) I found some extra logging regarding the same correlation id (see details below).
We have a fairly large term store (4000+ lines).
If somebody has a clue or tip that would greatly appreciated!
03-19-2014 13:49:51.87 w3wp.exe (0x2098) 0x23BC SharePoint Foundation Database fa42 Monitorable A large block of literal text was sent to sql. This can result in blocking in sql and excessive memory use on the front
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pCallback, Object& pvarColumns)     bij Microsoft.SharePoint.SPWeb.GetSiteData(SPSiteDataQuery query)     bij Microsoft.SharePoint.Publishing.CachedArea.GetSiteData(SPWeb web, SPSiteDataQuery siteDataQuery, Boolean
useSpQueryOnList)     bij Microsoft.SharePoint.Publishing.CachedArea.GetCrossListQueryResults(SPSiteDataQuery query, SPWeb currentContext, Boolean onlyPopulateCache, Boolean useSpQueryOnList, Int32 lcid)     bij Microsoft.SharePoint.Publishing.CrossListQueryCache.GetSiteDataResults(CachedArea
cachedArea, SPWeb web, SPSiteDataQuery query, Boolean useSpQueryOnList)     bij Microsoft.SharePoint.Publishing.CrossListQueryCache.GetSiteDataResults(CachedArea ca, Boolean useSpQueryOnList)     bij Microsoft.SharePoint.Publishing.CrossListQueryCache.GetSiteDataResults(SPSite
site, String webUrl, Boolean useSpQueryOnList)     bij Microsoft.SharePoint.Publishing.WebControls.ContentByQueryWebPart.IssueQuery()     bij Microsoft.SharePoint.Publishing.WebControls.ContentByQueryWebPart.GetXPathNavigator(String
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bij System.Web.HttpApplication.PipelineStepManager.ResumeSteps(Exception error)     bij System.Web.HttpApplication.BeginProcessRequestNotification(HttpContext context, AsyncCallback cb)     bij System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest
wr, HttpContext context)     bij System.Web.Hosting.PipelineRuntime.ProcessRequestNotificationHelper(IntPtr managedHttpContext, IntPtr nativeRequestContext, IntPtr moduleData, Int32 flags)     bij System.Web.Hosting.PipelineRuntime.ProcessRequestNotification(IntPtr
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Find(String pkey) method returns multiple object of the same row

I'm not quite sure what i've done or havent done, but I've implemented updating a row using the em.persist(Object) method.....works great, but after i did that a few times the find(String pkey) method returns multiple copies of 1 row in the db
here are two rows in the db
personid(PK) firstName lastName
1234 joe jones
2345 rachel jones
when i execute any query looking for people with the last name jones, ie
select object(p) from Person p where p.lastName='jones'
it returns multiple objects of each row ie
1234 joe jones
1234 joe jones
1234 joe jones
1234 joe jones
2345 rachel jones
2345 rachel jones
2345 rachel jones
2345 rachel jones
There is only one row for both rachel and joe in the db, but why is the entity manager returning multiple objects of each, and how do i prevent that without using DISTINCT?
Thanks for the help in advance

Sorry, i forgot to mention i'm using ejb 3 and jboss

Advantage of returning initialized objects thru methods.

Hello there,
What is the advantage of returning an object by calling
static methods?
This is the case when we use the InetAddress class.
The getByName() method of this class returns an object.
Can any one explain the advantages of this?
Regards

That is the Factory pattern.
It's more flexible than using a constructor. Do a search on the forums.

Script error (the object does not support the property or method of loaded0)

I am getting a script error each time I "run" my site from Dreamweaver (F12). It says something like:
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(I just get it in a different language, so sorry for the translation). What have I done wrong here?

I am using internet explore, with yahoo as my "startpage"
These two have different urls, the last one is the one I got today when I didn't have Dreamweaver open. I rarely use google.

WebI does not return failed when scheduling a report which only holds parti

WebI does not return failed when scheduling a report which only holds partial results.
We have scheduled reports which take some time to run. When they are scheduled they sometimes show successful even though the report only holds partial results. The only indication is when you open the report as webi report you see the warning that it holds partial results.
When running the report manually, it works file.
The issue is not in the no of rows in the universe settings because we this unselected. The issue is that it times out.
The reason that it times out is that a lot of resources are used for loading and processing data when the report is scheduled. When running it manually, it works because at this time the serverload is less. the time in the universe is set to 10 min.
The version we have is BOXIR2-SP4.
Ok. Issue identified.
The question is - why is the report successful when it holds partial results? If this is normal behavior, noone can really trust the scheduled reports, especially when you save it to excel and send it by mail.
Is there a solution for this except increasing the allowed query time which would not solve the issu but only allow more reports to complete?
Edited by: Karlgren Michael on Sep 17, 2009 1:22 PM

Hi ,
Currently this problem exists in XI R2. This feature will be part of thenext Service Pack i.e XI R2 SP6.
This CER will be delivered from IDC Webi and BIP Platform as part of Jupiter Sp6.
Problem Statement:
Scheduled WebI Reports which are partially refreshed are distributed to the destinations for Users to View and make decisions. These users arenu2019t usually aware that these reports have u201CPARTIAL RESULTSu201D
Recomended Solution:
Allow the Schedule Creator / Modifier to set a parameter to stop the distribution of the u201CPARTIALLY REFRESHEDu201D WebI report.
Thanks
Salini

Calling a method that returns an object Array

Hello.
During a JNICALL , I wish to call a method which returns an object array.
ie my java class has a method of the form
public MyObject[] getSomeObjects(String aString){
MyObject[] theObjects=new MyObject[10];
return theObjects
Is there an equivalent to (env)->CallObjectMethod(...
which returns a jobjectArray instead of a jobject, and if not could somebody suggest a way around this.
Thanks,
Neil

I believe an array oj jobjects is also a jobject. You can then cast it to another class.

Object does not match target type when raising an event from c# to VB6

I have a c# .net DLL that I use from a VB6 app. It exposes an event,
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The VB6 app is receiving the event, as long as it is raised from the
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I have an aync task being handled inside the DLL (delegate BeginInvoke). Any
attempt to raise the event from within that thread casuses the reported
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I noticed that the delegate for the event is not declared inside the
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The event is declared in the class itself as:
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Finally, to raise the event:
if ( this.Completed != null )
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If I open the tlb with OLEVIEW, I can see the public event just fine. Of course, I expected to, as it's working up until the helper thread kicks in.
Now for the REAL WIERD PART! This DOES work on several servers that have
been in production for months. It's just this one server that it won't work
on. Same code. Resinstalled/registered it 1,000 times. It took me a while to
find that an error was even occuring, since it was being raised in the
seperate thread. In other words, I'm receiving the event just fine on a series of servers. This is a new machine we're trying to bring online. I suspect it's environmental, but I can't figure it out.
I don't understand why the publisher would be expecting a certain type of
subscriber in the first place... unless the error is really triggered by the client when the event reaches it. I've put logging into the client, though, and the first line of code inside the event is not being executed.
For the VB6 app, I reference the tlb file that is automatically created when
I compile (Interop is checked). I unregistered and re-registered the tlb on
the server. I regasm'd the dll itself. All dlls are in the same folder - not
in the GAC.
The stack trace is as follows:
   at System.RuntimeType.InvokeDispMethod(String name, BindingFlags
invokeAttr, Object target, Object[] args, Boolean[] byrefModifiers, Int32
culture, String[] namedParameters)
   at System.RuntimeType.InvokeMember(String name, BindingFlags invokeAttr,
Binder binder, Object target, Object[] args, ParameterModifier[] modifiers,
CultureInfo culture, String[] namedParameters)
   at System.RuntimeType.ForwardCallToInvokeMember(String memberName,
BindingFlags flags, Object target, Int32[] aWrapperTypes, MessageData&
msgData)
   at HPFS.Queue.IProcessorEvents.LogNotification(String logData))

This is driving me nuts!
I sure would appreciate any suggestions.
I got this working on one of the two machines. The other machine had some other issues, so I had it re-imaged. It's been so long since I fixed the first one, that I can't remember exactly how I did it. Plus, I did so many things to it over two weeks, that I never really felt confident, anyway. But ... I could *swear* that the last thing I did back then to get this event to flow was to re-register the DLL's TLB.
So ... This is win 2k with FW 1.1 + SP1.
Completed is the delagate I'm trying to invoke.
this.Completed.Target.GetType().Name = "__comobject"
I've tried everything. Unregistered the .tlb. Unregistered the .net DLL. Verified that the app completely failed while unregistered. Created the TLB using RegAsm /tlb syntax.
I tried using CLR SPY. It registers nothing. It only lets me pick an EXE. This is a DLL tring to raise to an EXE.
I've looked at the TLB in OLE VIEW and I just don't know what I'm looking at.
Is there any other tool or technique I can use to audit/monitor/trap this? .net is giving me *** for details about what's failing. I wish I could somehow debug into exactly what it's trying to do and get more details on the failure.
Here's the error I'm getting:
(Code -1) Object does not match target type.<Source:mscorlib>(Stack:    at System.RuntimeType.InvokeDispMethod(String name, BindingFlags invokeAttr, Object target, Object[] args, Boolean[] byrefModifiers, Int32 culture, String[] namedParameters)
   at System.RuntimeType.InvokeMember(String name, BindingFlags invokeAttr, Binder binder, Object target, Object[] args, ParameterModifier[] modifiers, CultureInfo culture, String[] namedParameters)
   at System.RuntimeType.ForwardCallToInvokeMember(String memberName, BindingFlags flags, Object target, Int32[] aWrapperTypes, MessageData& msgData)
   at HPFS.Queue.IProcessorEvents.Completed(Boolean success)
   at HPFS.Queue.Processor.RequestDone())
Processor = the DLL I'm trying to raise the event from.
IProcessor = the event interface that's exposed through COM.

Strange IE ExternalInterface Bug: "Object does not support this property or method"

We have an application on a relatively slow server (I mention
the speed because it may be relevant).
The app is flash 8 and uses ExternalInterface to call a
javascript function in its parent page. It also used the
ExternalInterface to receive a call from another function. These
calls happens separately (the outbound one calls up a list view of
items, clicking on an item calls up the details in the flash
movie). In between the calls, the flash movie is hidden by moving
it off screen using absolute positioning.
On my local development box (Windows XPSP2) this works fine
in both directions.
On our production server (LAMP) this works fine in both
directions in Firefox 1.5 and 2.0
BUT while the outbound call from Flash to the page works fine
in Internet Explorer 6 or 7, the call back from the page to the
flash movie fails with the error messgage "Object does not support
this method or property"
We've tried not hiding the flash so it is always present on
the page and still the browser > flash communication breaks in
ie.
We've tried using both the Adobe active content script and
swfobject to embed the flash in the page with no difference in the
resultset. In truth we've given up and gone to a two-page solution,
reloading the flash from the start each time but I wondered if
anyone had encountered a similar issue? Can't see why it would work
perfectly in FF but not in IE.

Not sure if this is your problem, but you do reference the
Flash object
differently, depending on the browser. In a video player we
made, that uses
JS to communicate back to Flash, I use a function like this
to modify the
variable depending on the browser:
function changeVideo(xname){
//ff
if(window.vplayer){
window.document["vplayer"].SetVariable("theXML", xname);
window.document["vplayer"].GotoFrame(2);
window.document["vplayer"].Play();
//ie
if(document.vplayer){
document.vplayer.SetVariable("theXML", xname);
document.vplayer.GotoFrame(2);
document.vplayer.Play();
The Flash is in a <div> named 'vplayer'
Dave -
Head Developer
http://www.blurredistinction.com
Adobe Community Expert
http://www.adobe.com/communities/experts/

Try to create a method to return an object as xml

I'm trying to create a method for an object to return the objects attributes in xml format.
here is what I have done so far:
-- create the object hierachy
create or replace type ras4.atomic_tp as object
     (atomic_instance_id     varchar2(8),
     service_instance_id     varchar2(8),
     parent_atomic_instance_id varchar2(8),
     MEMBER FUNCTION return_xml RETURN varchar2)
NOT INSTANTIABLE
NOT FINAL;
create or replace type ras4.parm_const_tp under ras4.atomic_tp
     (parameter_name          varchar2(75))
NOT INSTANTIABLE
NOT FINAL;
create or replace type ras4.contact_tp under ras4.atomic_tp
     (address_line_1          varchar2(80),
     address_line_2          varchar2(80),
     address_line_3          varchar2(80),
     city               varchar2(20),
     state               varchar2(2),
     country               varchar2(20),
     postal_code          varchar2(20),
     voice_telephone          varchar2(20),
     dns_telephone          varchar2(20),
     fax               varchar2(20),
     email               varchar2(80),
     url               varchar2(20),
     contact_inst          varchar2(255))
NOT INSTANTIABLE
NOT FINAL;
create or replace type PERSON_tp under contact_tp
     (prefix               varchar2(7),
     first_name          varchar2(50),
     middle_name          varchar2(50),
     last_name          varchar2(50),
     suffix               varchar2(20),
     nick_name          varchar2(50),
OVERRIDING MEMBER FUNCTION return_xml return varchar2)
INSTANTIABLE
FINAL;
create table ras4.person_tb of ras4.person_tp;
insert into ras4.person_tb values
(ras4.person_tp('00001', '00001', '00001', '1111 Trail Lake Dr.', null, null, 'Fort Worth',
'TX', 'USA', '76233', '(817)346-0004', null, null, '[email protected]', 'www.tom.com', 'no calls after 10:00 please',
'Mr.', 'Tom', 'Scott', 'Tiegen', null, 'Tom'));
commit;
-- now different things I have tried to get the member function to work:
CREATE or replace TYPE BODY RAS4.PERSON_TP AS
     overriding MEMBER FUNCTION RETURN_XML RETURN VARCHAR2 IS
qryCtx DBMS_XMLGEN.CTXHANDLE;
result CLOB;
BEGIN
     qryCtx :=
     DBMS_XMLGEN.NEWCONTEXT ('select self.first_name from dual;');
result := DBMS_XMLGEN.GETXML(qryCtx);
          RETURN (RESULT);
     END;
END;
I try to invoke the method as below:
DECLARE
v_person ras4.person_tp;
v_person_ref ref ras4.person_tp;
V_string varchar2(2000);
BEGIN
select value(a)
into v_person
from ras4.person_tb a
where a.atomic_instance_id = '00001';
v_string := v_person.return_xml;
DBMS_OUTPUT.PUT_LINE(v_string);
END;
I get the following error:
DECLARE
ERROR at line 1:
ORA-19206: Invalid value for query or REF CURSOR parameter
ORA-06512: at "SYS.DBMS_XMLGEN", line 83
ORA-06512: at "RAS4.PERSON_TP", line 7
ORA-06512: at line 12
-- I try to use
from the command line I type in this:
select sys_xmlgen(value(p))
from person_tb p
where p.atomic_Instance_id = '00001';
and it seems to work.
trying to put this into a member function - I try this:
CREATE or replace TYPE BODY RAS4.PERSON_TP AS
     overriding MEMBER FUNCTION RETURN_XML RETURN VARCHAR2 IS
v_string varchar2(200);
v_person ras4.person_tp;
BEGIN
     v_person := self;
     select v_person.first_name into v_string from dual;
     return (select sys_xmlgen(value(v_person)));
     END;
END;
This fails to compile.
any help is greatly appreciated.
tom

PN,
First, it's impossible to create static method with WD IDE designers for controllers.
Next, if you simply need to call method from wdDoModifyView, just create instance method createHTMLViewer in regular way then call it from wdDoModifyView via wdThis.createHTMLViewer().
Third, you may create this method manually directly in source code, just place it at the end of controller between comments //@begin other ... //@end.
Valery Silaev
EPAM Systems
http://www.NetWeaverTeam.com

OCIStmtExecute does not return immediately when client is busy.

Hi.
I'm testing a very busy multi-threaded client server that consistently generates
a large number of simple queries through oci. The problem is that, when the
server(client) is busy, OCIStmtExecute does not return immediately in
non-blocking mode.
Of course I have set non-blocking mode and OCIStmtExecute does return
OCI_STILL_EXECUTING immediately when the server is not busy. But
when log rotation occurs which concatenates a large text file (~500MB)
onto an even larger text file (up to several giga bytes), or when I simply copies
or concatenates large text files manually, OCIStmtExecute returns very slowly.
(roughly about after 100~200ms)
However, while log rotation takes place, everything else including other oci
calls that come before OCIStmtExecute (prepare, define) return fast. So
for me it really seems that only OCIStmtExecute becomes extremely slower
when local server (especially the disk) is busy.
Is there any way to let OCIStmtExecute immediately return all the time?
Thanks in advance.

Yes, I knew that OCIStmtExecute would be the only function that causes such
delay and that was why I traced that call. And so far, I checked several times
what happens at the exact moment on the server but everything was ok.
Actually OCIStmtExecute becomes slower exactly when crontab-ed log rotate
occurs so I think this delay must be a client-side problem for now.
This server is quite busy and has to respond fast, so it is important to
guarantee fast response time while a small number of timeout losses are tolerable.
But as OCIStmtExecutes' first OCI_STILL_EXECUTING return takes hundreds of
ms it has become more like a blocking call and currently I cannot find any way to do what I want.
So now everytime such thing happens, the thread waits
quite long, after the first OCI_STILL_EXECUTING return
the time difference exceeds timeout limit, and the thread
calls OCIBreak() and OCIReset() and returns.

When a Method Returns an Object, does it return a copy or a pointer?

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