Non creatable class

Hi guys and gals,
I have a tangle of a mess here! Let me start from the beginning. I have a typelib on my computer called "xTInstrument component library version 1.0" I opened the .dll containing the typelib in OLE/VIEW and discovered that the classes I need to use are "non-createable" coclasses mixed in with interfaces. For example, the class I want to use is called "Electron Beam" and it has a property called "HV" which has a method called "SetTargetValue" So I dropped an "Automation Open" vi on the block diagram and wired it all up. When I go to run the program I get the following error "Class not registered in Test.vi" To find out what dlls Labview was calling, I used Process Monitor and watched what it was looking for. I found and registered all the dlls using "regsvr32.exe dll." Now this is where it gets wierd. After registering the dlls, the program still tripped the "Class not registered in Test.vi" error, so I decided to use Process Monitor to check what CLSID were being called. I then searched my registry for the CLSID my LabVIEW program was calling. I found all the CLSIDs except the ones from the non-creatable classes. Is there anyway in LabVIEW to call these "non-creatable" classes?

Hi shivels,
I did some research into non-creatable classes and this is what I found out. A non-creatable class (Microsoft terms them "PublicNotCreatable") is available externally but cannot be instantiated externally. Instead, the object is instantiated indirectly though fucntions, such as a Get function. The reasoning that I can see is that there may be dependencies on other objects so the order in which the objects are instantiated is important. By making a class PublicNotCreatable, the developer can force the user to programmatically construct the objects through calling a Get method.
I did uncover a Microsoft bug report regarding PublicNonCreatable classes: http://support.microsoft.com/kb/244544.
Also, here is Microsoft's definitionhttp://msdn.microsoft.com/en-us/library/aa242107%28VS.60%29.aspx)
PublicNotCreatable means that other applications can use objects
of this class only if your component creates the objects first. Other
applications cannot use the CreateObject function or the New operator
to create objects from the class.
What I suspect in your situation is that the Electron Beam may be a PublicNotCreatable class object, so a get function would be required.
I hope this helps. Let me know if you have any further questions!
Kristen H.

Similar Messages

"Abstract" method in a non-abstract class

Hi all.
I have a class "SuperClass" from which other class are extended...
I'd like to "force" some methods (method1(), method2, ...) to be implemented in the inherited classes.
I know I can accomplish this just implementing the superclass method body in order to throw an exception when it's directly called:
void method1(){
throw new UnsupportedOperationException();
}...but I was wondering if there's another (better) way...
It's like I would like to declare some abstract methods in a non-abstract class...
Any ideas?

The superclass just models the information held by
the subclasses.
The information is taken from the database, by
accessing the proper table (one for each subclass).??
What do you mean by "models the information"?
You should use inheritance (of implementation) only when the class satisfies the following criteria:
1) "Is a special kind of," not "is a role played by a";
2) Never needs to transmute to be an object in some other class;
3) Extends rather than overrides or nullifies superclass;
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5) Within PD: expresses special kinds of roles, transactions, or things.
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It's not mandatory for me to do it... I 'd see it
just like a further way to check that the subclasses
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The subclasses are the classes that handle db
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Non-servlet class in servlet program

hi,
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The following is my code.
//get the search string from web form
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.net.*;
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public void doGet(HttpServletRequest request,
HttpServletResponse response)
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out.close();
response.sendError(response.SC_NOT_FOUND,
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public void doPost(HttpServletRequest request,
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import java.io.*;
import java.util.*;
import au.com.pharos.gdbm.GdbmFile;
import au.com.pharos.gdbm.GdbmException;
import au.com.pharos.packing.StringPacking;
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 return doc_retrieved;
 private Vector queryVector(String query){
 Vector query_vector = new Vector();
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 GdbmFile dbTerm = new GdbmFile("Term.gdbm", GdbmFile.READER);
 dbTerm.setKeyPacking(new StringPacking());
 dbTerm.setValuePacking(new StringPacking());
 query = query.toLowerCase();
 StringTokenizer st = new StringTokenizer(query);
 String word = "";
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 while (st.hasMoreTokens()){
 word = st.nextToken();
 if (!search(word)){
 word = Stemming(word);
 if (dbTerm.exists(word)){
 // System.out.println(word);
 term_id = (String) dbTerm.fetch(word);
 query_vector.add(term_id);
 catch(GdbmException e){
 System.out.println(e.getMessage());
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 try{
 GdbmFile dbVector = new GdbmFile("Vector.gdbm", GdbmFile.READER);
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 int doc_num = dbVector.size();
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 String temp = "";
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 if (query_vector.contains(term)){
 doc_retrieved.add(doc_id);
 found = true;
 catch(GdbmException e){
 System.out.println(e.getMessage());
 return doc_retrieved;
 private Vector andSearch(Vector query_vector){
 Vector doc_retrieved = new Vector();
 try{
 GdbmFile dbVector = new GdbmFile("Vector.gdbm", GdbmFile.READER);
 dbVector.setKeyPacking(new StringPacking());
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 int doc_num = dbVector.size();
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 StringTokenizer st = new StringTokenizer(temp);
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 System.out.println(e.getMessage());
 return doc_retrieved;
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 Porter st = new Porter ();
 str = st.stripAffixes(str);
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 String [] stoplist ={"a","about","above","according","across","actually","adj","after","afterwards","again",
 "against","all","almost","alone","along","already","also","although","always","am","among",
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 "aren't","around","as","at","away","be","became","because","become","becomes","becoming",
 "been","before","beforehand","begin","beginning","behind","being","below","beside",
 "besides","between","beyond","billion","both","but","by","can","cannot","can't",
 "caption","co","co.","could","couldn't","did","didn't","do","does","doesn't","don't",
 "down","during","each","eg","eight","eighty","either","else","elsewhere","end","ending",
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 "few","fifty","first","five","for","former","formerly","forty","found","four","from",
 "further","had","has","hasn't","have","haven't","he","he'd","he'll","hence","her","here",
 "hereafter","hereby","herein","here's","hereupon","hers","he's","him","himself","his",
 "how","however","hundred","i'd","ie","if","i'll","i'm","in","inc.","indeed","instead",
 "into","is","isn't","it","its","it's","itself","i've","last","later","latter","latterly",
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 "me","meantime","meanwhile","might","million","miss","more","moreover","most","mostly",
 "mr","mrs","much","must","my","myself","namely","neither","never","nevertheless","next",
 "nine","ninety","no","nobody","none","nonetheless","noone","nor","not","nothing","now",
 "nowhere","of","off","often","on","once","one","one's","only","onto","or","other","others",
 "otherwise","our","ours","ourselves","out","over","overall","own","per","perhaps","pm",
 "rather","recent","recently","same","seem","seemed","seeming","seems","seven","seventy",
 "several","she","she'd","she'll","she's","should","shouldn't","since","six","sixty",
 "so","some","somehow","someone","sometime","sometimes","somewhere","still","stop",
 "such","taking","ten","than","that","that'll","that's","that've","the","their","them",
 "themselves","then","thence","there","thereafter","thereby","there'd","therefore",
 "therein","there'll","there're","there's","thereupon","there've","these","they","they'd",
 "they'll","they're","they've","thirty","this","those","though","thousand","three","through",
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 "two","under","unless","unlike","unlikely","until","up","upon","us","used","using",
 "very","via","was","wasn't","we","we'd","well","we'll","were","we're","weren't","we've",
 "what","whatever","what'll","what's","what've","when","whence","whenever","where",
 "whereafter","whereas","whereby","wherein","where's","whereupon","wherever","whether",
 "which","while","whither","who","who'd","whoever","whole","who'll","whom","whomever",
 "who's","whose","why","will","with","within","without","won't","would","wouldn't",
 "yes","yet","you","you'd","you'll","your","you're","yours","yourself","you've"};
 int i = 0;
 int j = stoplist.length;
 int mid = 0;
 boolean found = false;
 while (i < j && !found){
 mid = (i + j)/2;
 if (str.compareTo(stoplist[mid]) == 0)
 found = true;
 else
 if (str.compareTo(stoplist[mid]) < 0)
 j = mid;
 else
 i = mid + 1;
 return found;
 }

please show us the full error message.
it sounds like a classpath problem...

Access a mc or textfeild from a non document class.

Hey all.
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private var stage:Stage;
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What I have going on is, I have placed a movieclip on the stage in Flash and gave it an instance name of Cell_mc.
I have a cusom class that extends MovieClip with the following imports
import flash.display.MovieClip;
import flash.events.Event;
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import flash.events.MouseEvent;
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I have a listener: this.addEventListener(MouseEvent.MOUSE_DOWN,pickUp);
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Thanks guys.

try:
private var stage:Stage;
stage = stageRef;
and I am still confused.
What I have going on is, I have placed a movieclip on the stage in Flash and gave it an instance name of Cell_mc.
I have a cusom class that extends MovieClip with the following imports
import flash.display.MovieClip;
import flash.events.Event;
import flash.events.EventDispatcher;
import flash.events.MouseEvent;
import flash.events.TimerEvent;
import flash.utils.Timer;
This Class is tied to a set of MovieClips in my Library.
I have a listener: this.addEventListener(MouseEvent.MOUSE_DOWN,pickUp);
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private function onInterval(event:TimerEvent):void
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I get the following error whenever I try to access an object I placed on the stage from anywhere other than the document class:
1120: Access of undefined property Cell_mc.
How do I access the cell_mc that is already on the stage from this non-document class?
Thanks guys.

Can't access non ejb classes from JSP - NoClassDefFound error

 Hi,
 I have one session ejb which has a method returning a collection of non ejb class objects (say of Class 'Foo').
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 It is working fine with normal java clients. Now when I run this from a JSP it gives a "NoClassDefFoundError". I kept class 'Foo' and the remote interface of the session bean in the same package and also in the same ejb jar file. Also I am running JSP and ejb in same WL server(ver 5.1, SP8 on solaris). What I have done is only deployed the bean jar file. Do I need to do anything more?
 thanks in advance.


I ran into a similar problem. I solved it by putting the client classes for
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 set POST_CLASSPATH=d:\weblogic\myserver\myClient.jar
 For more information on class visibility between the JSP and EJB class
 loaders, check out
 http://www.weblogic.com/docs51/classdocs/API_ejb/EJB_deployover.html#1056256
 Rick
 "niroja" <[email protected]> wrote in message
 news:3a6ed903$[email protected]..
 >
 > Hi,
 >
 > I have one session ejb which has a method returning a collection of non
 ejb class objects (say of Class 'Foo').
 > The method signature is like :
 > "Collection getFinacialData() throws RemoteException"
 > It is working fine with normal java clients. Now when I run this from a
 JSP it gives a "NoClassDefFoundError". I kept class 'Foo' and the remote
 interface of the session bean in the same package and also in the same ejb
 jar file. Also I am running JSP and ejb in same WL server(ver 5.1, SP8 on
 solaris). What I have done is only deployed the bean jar file. Do I need to
 do anything more?
 >
 > thanks in advance.
 >

What is inserting the following code onto pages " div id="bikatoc" style="display: none;" a class="control" Close /a div class="toc" ul li class="toc-h2

I am doing web development and when working with the wordpress dashboard tiny mce, each time I hit the update button the following piece of code is inserted into the page I am working on.
<pre><nowiki><div id="bikatoc" style="display: none;"><a class="control">Close</a>
<div class="toc">
<ul>
<li class="toc-h2"><a href="#toc0">Just for the Health of it</a></li>
<li class="toc-h2"><a href="#toc1">Wild Yukon River Salmon</a></li>
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Something is scanning the h1-h6 tags and creating a table of contents and inserting it into the page. This also happens when I use firebug on other random pages while using firefox.
I have tried several other browsers to determine if this is a wordpress issue, but this only happens in firefox. It also only happens when I make changes with firebug in firefox. Using firebug lite in chrome did not cause this problem.
I have been looking all over to figure out what is going on and why the is happening. It is making development near impossible and is forcing me to use a different browser (which I don't enjoy at all)
Any help you can give me would be wonderful.
Thank you for your help

Is it always hidden with display:none?
One standard diagnostic step is to try Firefox's Safe Mode to see whether it is caused by a custom setting or add-on.
First, I recommend backing up your Firefox settings in case something goes wrong. See [https://support.mozilla.com/en-US/kb/Backing+up+your+information Backing up your information]. (You can copy your entire Firefox profile folder somewhere outside of the Mozilla folder.)
Next, restart Firefox in [http://support.mozilla.com/kb/Safe+Mode Safe Mode] using
Help > Restart with Add-ons Disabled
In the Safe Mode dialog, do not check any boxes, just click "Continue in Safe Mode."
If the inserts stop, this points to an add-on as the problem. Figuring out which one it is would be the next step. (If the TOC is always hidden, perhaps it is something SEO-related.)

Retrieve ServletContext from non-servlet class

A servlet calls a method which is located in another class which is not a servlet. Within this method of the non-servlet class, i need to access the ServletContext of the servlet that has called the method. What i am currently doing is simply passing the ServletContext as a parameter to the method.
I would like to avoid passing the ServletContext all the time, so i'm wondering if it's possible, from the non-servlet class, to retrieve the ServletContext of the servlet which has called the method of the non-servlet class.

Thanks J-Fine, that's a smart suggestion. BTW in the meantime i figured out that passing the ServletContext is not that bad idea, after all it reflects the structure of the app. However if i'll change my mind again i'll do like you suggested.

Add non-servlet class to Tomcat

Hi,
does anyone know, what I have to do, to be able
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In my jsp page:
<%
MyClass m = new MyClass( );
%>
I was told that I simply have to put it in the
web-inf/classes directory, but that doesn't seem
to work ...
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You need to use the "import" statement or else use the full class name. Also, some servers don't handle the default package well so you may want to try placing the class in a package.
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<%
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Weird exception: Cannot instantiate non-persistent class: java.util.Map

java.lang.UnsupportedOperationException: Cannot instantiate non-persistent class: java.util.Map
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What's the root cause of this exception?

I wrote a small test using the classes you included
in your message and I am able to retrieve the user by
key, as in the code above. So I'm not sure what
you're doing that is causing the problem. Please
send a small test that reproduces the problem.Oops, I forgot to include the source for the test I wrote. Here it is.
import java.io.File;
import java.util.HashMap;
import java.util.Map;
import com.sleepycat.je.DatabaseException;
import com.sleepycat.je.Environment;
import com.sleepycat.je.EnvironmentConfig;
import com.sleepycat.persist.EntityStore;
import com.sleepycat.persist.PrimaryIndex;
import com.sleepycat.persist.StoreConfig;
import com.sleepycat.persist.model.Entity;
import com.sleepycat.persist.model.Persistent;
import com.sleepycat.persist.model.PrimaryKey;
public class Test {
 @Persistent
 public static class SimplePrincipal {
 protected String name;
 public SimplePrincipal(String username) {
 this.name = name;
 public SimplePrincipal() {}
 @Entity
 public static class SimpleUser extends SimplePrincipal {
 @PrimaryKey
 private String key;
 private Map properties;
 public SimpleUser() {
 super();
 this.properties = new HashMap();
 public SimpleUser(String username) {
 super(username);
 this.properties = new HashMap();
 public void setKey(String key){
 this.key = key;
 public void addPropertity(String name, String value) {
 this.properties.put(name, value);
 @Override
 public String toString() {
 return "[SimpleUser key: " + key + " name: " + name + ']';
 private Environment env;
 private EntityStore store;
 private PrimaryIndex<String, SimpleUser> primaryIndex;
 private void open()
 throws DatabaseException {
 EnvironmentConfig envConfig = new EnvironmentConfig();
 envConfig.setAllowCreate(true);
 envConfig.setTransactional(true);
 env = new Environment(new File("./data"), envConfig);
 StoreConfig storeConfig = new StoreConfig();
 storeConfig.setAllowCreate(true);
 storeConfig.setTransactional(true);
 store = new EntityStore(env, "test", storeConfig);
 primaryIndex = store.getPrimaryIndex(String.class, SimpleUser.class);
 private void close()
 throws DatabaseException {
 store.close();
 env.close();
 private void execute()
 throws DatabaseException {
 SimpleUser user = new SimpleUser("test");
 user.setKey("testkey");
 primaryIndex.put(user);
 user = primaryIndex.get("testkey");
 System.out.println(user);
 public static void main(String[] args)
 throws DatabaseException {
 Test test = new Test();
 test.open();
 test.execute();
 test.close();
}Mark

Previous unanswered Hot deploy of non EJB, non JSP classes

 Subject to my last post I've since seen my questions has appeared twice on this
 newsgroup, March 2001, and Nov 2000 and no responses to it those times. Aren't
 there BEA engineers reading this newsgroup who would know the answer to that question?
 http://newsgroups.bea.com/cgi-bin/dnewsweb?cmd=article&group=weblogic.developer.interest.jsp&item=3776&utag=
 http://newsgroups.bea.com/cgi-bin/dnewsweb?cmd=article&group=weblogic.developer.interest.jsp&item=5171&utag=


 Firstly I already did call BEA support before coming here, this is my last resort.
 I can't get a definitive answer from support. They were the ones that actually
 suggested to me that I post here in the first place. I did search the BEA edocs
 and couldn't find anything on it.
 Secondly, I am using WL 6.1 SP1, and in the thread just beneath this one, which
 I referred to directly in my opening post on this thread, I do mention this in
 the opening paragraph, in fact I give considerable detail.
 Thirdly, I never implied there was an onus on any BEA engineer to answer anything
 here. What I did mean was that given that they do read these posts and they do
 answer posts, I was merely a bit concerned that as I'm third person to ask, it
 would be strange to still get no response given that they answer other questions.
 I mean if they don't know, then who does? It's a real simple yes/no answer, it
 would take 5 seconds.
 Paul
 Robert Patrick <[email protected]> wrote:
 >
 >
 >The answer is simple -- move to WLS 6.x and use enterprise applications
 >(or web applications or an EJB jar file)
 >to package everything up into a single deployment unit and hot deploy
 >the whole deployment unit. WLS 5.1 and
 >earlier do not support hot deployment of non-servlet/non-JSP/non-EJB
 >classes.
 >
 >Mike Reiche wrote:
 >
 >> You can always call BEA Support - 1.888.232.7878 to get the help you
 >need. This
 >> newsgroup is not official BEA Support. It is out of the goodness of
 >their hearts
 >> that BEA engineers help people out here.
 >>
 >> I don't really think you wanted everyone that read your email and didn't
 >know
 >> if such a feature was available, to send you an email saying 'No, I
 >don't know
 >> if such a feature is available'. That's why there were zero responses.
 >>
 >> None of the posts you listed mention what version of WL. That makes
 >a difference.
 >> Also read the online documentation at edocs.bea.com, search for 'hot
 >deploy'.
 >>
 >> Mike Reiche
 >>
 >> "Paul H" <[email protected]> wrote:
 >> >
 >> >Subject to my last post I've since seen my questions has appeared
 >twice
 >> >on this
 >> >newsgroup, March 2001, and Nov 2000 and no responses to it those times.
 >> >Aren't
 >> >there BEA engineers reading this newsgroup who would know the answer
 >> >to that question?
 >> >
 >> >http://newsgroups.bea.com/cgi-bin/dnewsweb?cmd=article&group=weblogic.developer.interest.jsp&item=3776&utag=
 >> >
 >> >http://newsgroups.bea.com/cgi-bin/dnewsweb?cmd=article&group=weblogic.developer.interest.jsp&item=5171&utag=
 >
 >
 ><!doctype html public "-//w3c//dtd html 4.0 transitional//en">
 ><html>
 >The answer is simple -- move to WLS 6.x and use enterprise applications
 >(or web applications or an EJB jar file) to package everything up into
 >a single deployment unit and hot deploy the whole deployment unit.
 >WLS 5.1 and earlier do not support hot deployment of non-servlet/non-JSP/non-EJB
 >classes.
 >Mike Reiche wrote:
 ><blockquote TYPE=CITE>You can always call BEA Support - 1.888.232.7878
 >to get the help you need. This
 > newsgroup is not official BEA Support. It is out of the goodness
 >of
 >their hearts
 > that BEA engineers help people out here.
 >I don't really think you wanted everyone that read your email and
 >didn't
 >know
 > if such a feature was available, to send you an email saying 'No,
 >I
 >don't know
 > if such a feature is available'. That's why there were zero responses.
 >None of the posts you listed mention what version of WL. That makes
 >a difference.
 > Also read the online documentation at edocs.bea.com, search
 >for
 >'hot deploy'.
 >Mike Reiche
 >"Paul H" <[email protected]> wrote:
 > >
 > >Subject to my last post I've since seen my questions has appeared
 >twice
 > >on this
 > >newsgroup, March 2001, and Nov 2000 and no responses to it those
 >times.
 > >Aren't
 > >there BEA engineers reading this newsgroup who would know the answer
 > >to that question?
 > >
 > >http://newsgroups.bea.com/cgi-bin/dnewsweb?cmd=article&group=weblogic.developer.interest.jsp&item=3776&utag=
 > >
 > >http://newsgroups.bea.com/cgi-bin/dnewsweb?cmd=article&group=weblogic.developer.interest.jsp&item=5171&utag=</blockquote>
 ></html>
 >
 >

Custom non-PersistenceCapable classes used as keys in Maps and/or SortedMaps?

Hi all,
I need to support custom non-PC classes as keys in SortedMaps. It takes
custom coding to the Kodo API right now, and before embarking down that
road, I wondered if anyone out there has already done this and is willing
to share that code.
Thanks!
--matthew

Matthew-
Can you just make the key implement Serializable and store it as a blob
(which means that you will not be able to query against it), or do you
have other restrictions?
In article <c90i4b$22k$[email protected]>, Matthew T. Adams wrote:
Hi all,
I need to support custom non-PC classes as keys in SortedMaps. It takes
custom coding to the Kodo API right now, and before embarking down that
road, I wondered if anyone out there has already done this and is willing
to share that code.
Thanks!
--matthew--
Marc Prud'hommeaux
SolarMetric Inc.

Non serializable class in biztalk

Is it possible to have a non serializable class in a biztalk application?
Christiane

Hi Christiane,
Yes, it can be used in orchestration but in an atomic scope only.
Steps to call a Non-Serializable .NET Helper Class inside an Expression Shape(The DLL that contains the class must be strongly signed and placed in the GAC):
1.Add a reference to that class.
2.Add an Atomic scope.
3.Create an Orchestration variable of that class inside the scope.
4.Create an instance on that object inside the scope.
5.Call the method.
Maheshkumar S Tiwari|User Page|Blog|BizTalk
Server : How Map Works on Port Level

Question about access non-public class from other package.

Hi, everyone!
Suppose class A and class B are in the same java file of package pkg1
-- A.java. So, A is a public class and B is a non-public class.
If I want to access class B from another class class C and class
C is in package pkg2. When compiling, an error occurs indicating
that class B is not visible to class C.
So, If I defined serveral classes in one java file and I want to
access every class from other package. How should I do?
(I think in one java file, there should be only one public class and
only the public class can be accessed from other package.)
Thanks in advance,
George

So, If I defined serveral classes in one java file and
I want to
access every class from other package. How should I
do? As you already seem to know, there is at most one public class allowed per source file (at least, with javac and most popular compilers). So if you want more than one public class, you will need to use more than one file...

Read web.xml from a non-servlet class

Hi all, I need to read the web.xml file fron a standard class in a web project.
I know how to do it from a servlet or a jsp page, but is it possible to do from a non-servlet class?
Thank you,
Gabriele

It's a XML file. So best approach would be to use some Java-XML API to parse the XML file into useable nodes. E.g. JAXP, DOM4J, JXPath, etc.

Display from non-MIDlet class?

Display from non-MIDlet class?
I havel a method in my main MIDlet that flashes up a message as an Alert:
public void doAlert(String sAlertText) {
       Alert alSending;
       alSending = new Alert(null, sAlertText, null, AlertType.INFO);
       alSending.setTimeout(3000);
        m_display.setCurrent(alSending);
    }m_display is declared and instantiated in the main MIDlet:
public class Boss extends MIDlet implements CommandListener {
        public static Display m_display;
        public Boss() {       /** Constructor*/
                m_display = Display.getDisplay( this );
}Now when I try to call this from another class:
     new Boss().doAlert("Eat lead, Bambi!");I get: "SecurityException: Application not authorized to access the restricted API". The same happens if I try to use a reference to a MIDlet, rather than to a Display. Apparently, you can't instantiate a MIDlet from with another MIDlet / class.
So, how do you obtain a reference to the currently-running MIDlet or its Display from a different class?

Thanks for your reply, but i finally solved it. I found a way of getting a reference to my MIDlet, so i had the control of its display.
Maybe it could be a good idea having some classes to write to the cellular's screen without being a MIDlet, like System.out.* classes in traditional Java.
See you.
David.

Non creatable class

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