Key Generation in console

Hi Folks,
I have defined key generation in console .I need some information in key generation such as ,if i define None ,range and Qualifed Range.
Where it effect and what are significance of it.
Secondaly., We create clone in Import manager and then we do mapping to remote key to the clone of the main table. I am looking for the business significance and techanical signifiance of it.
Thanks in advance,
Rohit

Hi Rohit,
If you choose
NONE: - Then remote key will not be generated automatically and has to be applied explicitly either using import manager or in data manager.
RANGE: - Here we can specify a range using TO and FROM. This generates the key automatically for that client between that range.
Qualified range: - Here we specify a range for a qualified table for key generation.
Keys are generated on a per value basis i.e. MDM automatically generates keys for the specified single-valued lookup field based on values you specify
using the Range property. You can specify Qualified Range values by selecting the
single-valued lookup field from the drop-down list and specifying From
and To values for each lookup table value.
Let me know if this helped your cause.
BR,
Siddharth

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I am not sure whether I understand your question.
The 'NamedSequenceTable' method is independent of data base type.
<from-docs>
Create a table named SEQUENCE to hold the current primary key value. The
table consists of a single row with a single column, as defined by the
following statement:
CREATE table_name (SEQUENCE int)
INSERT into table_name VALUES (0)
</from-docs>
Then, you can add the following in the DD -
<automatic-key-generation>
<generator-type>NamedSequenceTable</generator-type>
<generator_name>table_name</generator-name>
<key-cache-size>100</key-cache-size>
</automatic-key-generation>
The PK type should be set to java.lang.Integer or java.lang.Long
--Sathish
<Panduranga Swamy> wrote in message news:[email protected]..
Hi,
With named sequecne table,I am able to develop the application. What I
wanted is Say Table 1 having Identity column as Primary key in the table
Pointbase database.
With Automatic primary key generation in Deployment descriptor, We
generally specify SQL_SERVER or Named Sequencetable for Primary key
generation.
For pointbase database, I dont know how to configure this?
Could you help me in this regard,
Thanks,
Pandu

Read "Qualified Range Key Generation" with Java API.

Hi guru,
I use MDM 5.5 SP6.
In MDM Console I read Qualified Range Key Generation it in "ADMIN -> Remote Systems -> Qualified Range".
I have to get "Qualified Range Key Generation" with Java API.
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Hi Rocco,
I am also thinking of same scenario.I thought it is possible in Java Apis by calling the webservices for MDM.there is a service of "get key mapping" where we can pass this "Qualified key range" as parameter.In MDM we have to define a look up table for that key ranges .We will access that table through JAVA API and then link it with the key mapping service .
If u find any solution to apply this ,please share.
thanks and regards
Ank

Key Generation, doesnt work

Hi, every body
I want to generate new Material Number automatically for new Materials
I have done the following steps
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[NULL] 9990000001 to 9999999999
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In the Preview pane I only see Material Numbers (MATNR) which I have manually edited    its mapping value. Material Numbers are empty for new Materials.
Please tell me. What I'm missing?

Hi Rafael
In my experience with Key Generation, the keys are only created for the remote system once a Syndication job has actually processed the record. I'd guess that this is so in order to minimise the amount of work done by the MDM Server and to avoid "wasting" keys.
To see that it does work : execute the Syndication job then refresh the Record view (press F5) in the Syndicator. The Destination Preview tab should now contain the newly generated key.
HTH,
Mark

Key generation in Remote Systems.

Hi,
When we are creating a remote Sytem we have a filed called Key Generation , where we can specify the from , to Range.
Can any one provide me the business scenario where this key generation is used?
I have an idea about key mapping which is used to differentiate filed values which are different in connected remote systems.
regards,
Venki.

Hi Venki,
The key generation is a very useful concept.
For Key Generation = Range, From=100, To= 200:
You need to map the Remote key to MDM_Material field during syndication in which you want to maintain the value.
So the first time you syndicate data, 100 will be assigned to the MDM_Material field for the syndicated record.. so on..
It gets updated to your field only after syndication and you can see it on edit key mapping against the record.
For Key Generation with Qualified range:
You need to select the lookup table, based on whose values you want value to be maintained in MDM_Material.
And for each value in the lookup field, you can select the range.
Example: Assigning Material number based on Account Groups.
Hope it help.
Thanks,
Priti
Edited by: Priti Rani Patnaik on Apr 7, 2010 10:23 AM

Primary key generation: Using CounterHome?

I can't find any documentation that talks about automatic primary key generation support on OC4J. I noticed the article on the Orion Support page that mentions their "Counter" bean. Is this the extent of support for automatic primary key generation in OC4J? When I searched for this class in the distribution, I only found it in a demo application in JDeveloper.
Is this something that is handled directly in the Oracle DB, which is why OC4J doesn't bother to support it?

Sorry I wasn't specific. By "going nowhere", I meant it went to an error page on the orion site. I don't know why it couldn't find it, because when I just now searched for the article with the title you just gave, the resulting URL was identical to what you gave me originally.
As to the "counter faq", I think I've seen that before, but I can't get to it right now (server overloaded or something). The one problem I remember with trying to pursue the "counter" solution was somewhat simple. I couldn't find the code. I didn't notice a download for the "Counter" class, and I can't find it in either the jdeveloper or oc4j distributions.
In any case, I ended up implementing the UUID solution, based on Floyd Marinescu's example in "EJB Design Patterns". I think this will work fine for our application.
I'd still like to know more about Orion's "Counter" solution, if there's any real code available to see.

Primary key generation

How do use primary keys generated by database within entity bean?

DBMS primary key generation uses a set of deployment descriptors that
are specified at compile time to generate container code which is used
in conjunction with a supported database to provide key generation
support. Specify the name of the supported DBMS and the generator name,
if required by the database. Generated primary key support for Oracle
databases use Oracle's SEQUENCE. Once the SEQUENCE already exists in the
database, you specify automatic key generation in the XML deployment
descriptors. In the weblogic-cmp-rdbms-jar.xml file
<automatic-key-generation>
<generator-type>ORACLE</generator-type>
<generator_name>test_sequence</generator-name>
<key-cache-size>10</key-cache-size>
</automatic-key-generator>
You need to specify the name of the ORACLE SEQUENCE to be used in the
generator-name element. If the ORACLE SEQUENCE was created with an
INCREMENT value, then you must specify a key-cache-size. This value must
match the Oracle SEQUENCE INCREMENT value.
Owen wrote:
How do use primary keys generated by database within entity bean?

ADF BC Primary key generation with SQL Server DB

Hi,
I am using ADF 11.1.1.6 to develop a small application that will do some very basic CRUD operations on a SQL Server DB.
I read through http://www.oracle.com/technetwork/developer-tools/jdev/multidatabaseapp-085183.html before I'm starting to implement the Entity objects.
This document describes a way to do primary key generation using a table created in the DB and instructs to create an application connection to the Database :
+2. Create a Connection to the Table+
In your application, create a database connection named ROWIDAM_DB that points to the database containing your S_ROW_ID table. Alternatively, edit your BC project's properties and add the following Java option to the project's run configuration:
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My question is how do we do this when we mve to a production environment ?
Also I'll be interested to hear if anyone has any pointers for developing ADF apps with SQL Server. (gotchas, performance pitfalls etc. )
-Jeevan
Upadte : This is SQL Server 2005
Edited by: Jeevan Joseph on May 2, 2012 9:04 AM

my apologies to everyone ... This should have been very simple. I just need to provide the config in my AM configuration(bc4j.xml)
jbo.rowid_am_conn_name* should be set to the connection name you create. For production deployments, theres a similar
jbo.rowid_am_datasource_name* that should work just fine (though I havent tried if it has any hiccups).
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After I did the steps above, everything seemed to work when I tested the app from the AM tester. But when I built a UI for it in ADF Faces, I started getting an exception on Create/CreateInsert :
java.lang.ClassCastException: com.microsoft.sqlserver.jdbc.SQLServerConnection cannot be cast to oracle.jdbc.OracleConnection
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This was not mentioned in the original document probably because ADF faces was out of scope for that document.
I also found this thread extremely useful, and its what reminded me of the ADF Faces AM config overrides : Re: Locking mode 'optupdate' with SQL92
Cheers !
Jeevan

Problem with automatic key generation

Hi,
I'm getting an exception when creating entity EJB's that use automatic primary key
generation (I'm using MS SQL Server as the db). The data is being inserted correctly
onto the database (including the auto generated key), but the auto generated primary
key field in the EJB is being set to zero rather than the correct value. This causes
a NoSuchEntityException.
The db table has an identity set on the auto generated field, but this field is not
the primary key.
Does anyone have an idea as to what the problem is?
thanks,
Andy

Make sure you are using a TX DataSource
"Andy Pearson" <[email protected]> wrote in message
news:3ccead40$[email protected]..
>
Hi,
I'm getting an exception when creating entity EJB's that use automaticprimary key
generation (I'm using MS SQL Server as the db). The data is being insertedcorrectly
onto the database (including the auto generated key), but the autogenerated primary
key field in the EJB is being set to zero rather than the correct value.This causes
a NoSuchEntityException.
The db table has an identity set on the auto generated field, but thisfield is not
the primary key.
Does anyone have an idea as to what the problem is?
thanks,
Andy

Data Quality Manager component Crashing during Batch Key Generation?

Hi All,
I have setup batch key generation for "FINS Members" buscomp and when the job is executed the task crashes always. I have observed the crash is not consistent on a particular data.
Most of the times we get FDR file generated and sometimes we have another file "hs_err_pid xxx.log" in the siebel server BIN directory.
When batch is executing one specific record it seems to be running out of memory.
Below is the detail from the crash log:-
Virtual memory info:
Total : 2097024 KB
Available : 1122452 KB
Available extendent: 0 KB
Few Crash Scenario 's:-
Crash Scenarios:
73 Contacts - DqMgr CRASH while processing the record "1-908F9". After removing the record from the system, batch job completed with no crash. The contact record has two address associated with this and the name details are below:
Last Name - ER11 PASS 3 LN
First Name - ER11 PASS 3 FN
Middle Name - ER11 PASS 3 MN
Two Address Associated
689 contacts DqMgr CRASH while processing the record "1-6KRHD". After removing the record from the system, batch job completed with no crash. The contact record has one address associated with this and the name details are below:
Last Name - UAT TESTING
First Name - SCENARIO 6 CLIENT
Middle Name - DO NOT USE
One Address Associated
Any help?
Thanks.

Hi
Thanks for using My Oracle Support Community.
You mention - "After removing the record from the system, batch job completed with no crash"
I would recommend you to check the record and if there are any differences between this record and the others for which the process gets completed.
Also, please raise a Service Request with Oracle Tech Support with all the relevant logs so that we can analyse the issue in detail and suggest you further recommendations.
Thanks,
Shwet

Error after transport:'Foriegn key generation error'

Hi ,
Iam getting the below error at transport in quality
Foreign key generation error for field 'ZZEVV_FR_KONX-KNUMH'
Thanks
Edited by: chidambar dixit on Jul 25, 2008 8:25 AM
Edited by: chidambar dixit on Jul 25, 2008 8:26 AM

HI,
Then check the error log carefully. Problem might be some else. If not try to reimport the transport with the help of BASIS.
Also check the status of check table in quality. Is it active?
All ur objects are in single TR? If not the u have to move check table TR first and then later objects TR.
If nothing works then include all the objects in another TR and transport. make sure all are active.
Thanks,
Vinod.

Urgent: automatic key generation and java.lang.Long

Hi,
I keep getting the following error:
In RDBMS CMP bean 'UserEntity', when Automatic Key Generation is enabled, the
Primary Key class must be java.lang.Integer.
I need to have Long as primary key, how do I solve it?
Thanks,
A.

Use WebLogic Server 8.1
java.lang.Long is supported in WLS 8.1
thanks,
Deepak
"iggy" <[email protected]> wrote:
>
Hi,
I keep getting the following error:
In RDBMS CMP bean 'UserEntity', when Automatic Key Generation is enabled,
the
Primary Key class must be java.lang.Integer.
I need to have Long as primary key, how do I solve it?
Thanks,
A.

Cluster DuplicateKeyExecption and primary key generation

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<user-name>root</user-name>
<password></password>
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Code:
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import javax.ejb.CreateException;
import javax.ejb.FinderException;
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Sequence sequence;
int last;
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statement.execute(sql);
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</method>
<trans-attribute>RequiresNew</trans-attribute>
</container-transaction>
jboss.xml
Code:
<container-configurations>
<container-configuration>
<container-name>Standard CMP 2.x EntityBean with cache invalidation</container-name>
          <commit-option>A</commit-option>
          <cache-invalidation>True</cache-invalidation>
</container-configuration>
</container-configurations>
<entity>
<ejb-name>Sequence</ejb-name>
<local-jndi-name>SequenceLocalHome</local-jndi-name>

</entity>
anybody can help with what the problem might be?
did i update the isolation level correctly?

_blocksize may be returning 0

Help Primary Key generation

According to article "Generating Primary Key Values in CMP Beans" (http://www.netbeans.org/kb/41/generated-primary-keys.html) you can specifiy automatic primary key generation.
The following fragment describes a key issue when you have a existing database schema.
If the database schema is not created during deployment, the primary key column in the mapped table must be of type NUMERIC with a precision of 19 or more, and must not be mapped to any CMP field. The Sun Java System Application Server generates unique values for the primary key column at runtime.
In the used sample for how to set up a MySql database the creation of the customer table must be as follows:
CREATE TABLE customer (
id BIGINT(19) NOT NULL auto_increment, -- this column will be automat. generated
lastName varchar(25) NOT NULL,
firstName varchar(30) default NULL,
PRIMARY KEY (id));
My question is:
Is it nescesary to have the field id to be decleared auto incremented?
The first fragment says that the AS will create new values for the primary key. Or does the generation of primary keys only work if the pk field in the database table is auto incremented by the database?
Please help. Thanks!
Johan.

Hello Johan,
no, as i remember it does not work if you specify the id column as auto_increment. The J2EE bean container does manage the generation of the primary key, so the database must have a column type int(19) or bigint and primary key, not more.
Hope this helps, more information is in the J2EE documentation from Sun, page 1012.
Kind regards,
marc.

Marinescu Primary Key Generation

Hi
i'm using Marinescus Primary Key Generation schema, but i'm having a problem
As i see it in EJB Design Patterns (Marinescus Book), he uses a Hashtable to store the values so that the Bean doesn't have to access the database everytime
My problem is that this Hashtable is not working, because each client when access the Bean, this creates a new bean (just like in the pattern) and thus there is never info on the Hashtable, thus the application has to go to the Database.
If i put the Hashtable as static, i will have Concurrency Problems
But my real problem is that i've seen various implementations of this pattern, and no one seems to talk about this problem
Am i missing something ?
I've thought maybe Marinescus uses only one static SessionBean (resolving the problem), but he create one Bean for each request also
Thanks

So, i found the problem
I had the SessionBean configured as a Stateful Session Bean
But if i change it to Stateless it starts working
I still didn't figured out why (as no Load, Store, Passivation or Activation code exists to keep or get the Hashtable)
So if any one could explain it to me, it would be nice :)
Thanks

Key Generation in console

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