How to link 2 objects and how to access entities objects

Hi,
I have 2 tables "Person" and "Adress". Person has a foreign key to Adress. The tables have a primary key (person_id and adress_id) associated with a sequence table. I use entites objects from tables and i defined a creation form for "Person" and a creation form for "Adress".
While the commit, i would like to link person with adress via the foreign key. So i don't know how to obtain "adress_id" from the entity object for setting the foreign key in the object "person".
More, how can i access to the entites objects for accessing information via getter methods.
Thank for your help.

Hi,
documented in http://download-uk.oracle.com/docs/html/B25947_01/toc.htm it is explained in http://download-uk.oracle.com/docs/html/B25947_01/bcentities008.htm#sthref464
Exactly the same question got answered yesterday: Re: How I can acess to master entity object from detail entity object
Frank

Similar Messages

About lock object and how to create it

Hi ABAP gurus,
Can any one explain about the Lock Objects and How to create Lock object step by step.
Rgds,

Hi Rangamma,
Check this info.
Lock objects are use in SAP to avoid the inconsistancy at the time of data is being insert/change into database.
SAP Provide three type of Lock objects.
- Read Lock(Shared Locked)
protects read access to an object. The read lock allows other transactions read access but not write access to
the locked area of the table
- Write Lock(exclusive lock)
protects write access to an object. The write lock allows other transactions neither read nor write access to
the locked area of the table.
- Enhanced write lock (exclusive lock without cumulating)
works like a write lock except that the enhanced write lock also protects from further accesses from the
same transaction.
You can create a lock on a object of SAP thorugh transaction SE11 and enter any meaningful name start with EZ Example EZTEST_LOCK.
Use: you can see in almost all transaction when you are open an object in Change mode SAP could not allow to any other user to open the same object in change mode.
Example: in HR when we are enter a personal number in master data maintainance screen SAP can't allow to any other user to use same personal number for changes.
Technicaly:
When you create a lock object System automatically creat two function module.
1. ENQUEUE_<Lockobject name>. to insert the object in a queue.
2. DEQUEUE_<Lockobject name>. To remove the object is being queued through above FM.
Lock objects are use in SAP to avoid the inconsistancy at the time of data is being insert/change into database.
SAP Provide three type of Lock objects.
- Read Lock(Shared Locked)
protects read access to an object. The read lock allows other transactions read access but not write access to
the locked area of the table
- Write Lock(exclusive lock)
protects write access to an object. The write lock allows other transactions neither read nor write access to
the locked area of the table.
- Enhanced write lock (exclusive lock without cumulating)
works like a write lock except that the enhanced write lock also protects from further accesses from the
same transaction.
You can create a lock on a object of SAP thorugh transaction SE11 and enter any meaningful name start with EZ Example EZTEST_LOCK.
Use: you can see in almost all transaction when you are open an object in Change mode SAP could not allow to any other user to open the same object in change mode.
Example: in HR when we are enter a personal number in master data maintainance screen SAP can't allow to any other user to use same personal number for changes.
Technically:
When you create a lock object System automatically creat two function module.
1. ENQUEUE_<Lockobject name>. to insert the object in a queue.
2. DEQUEUE_<Lockobject name>. To remove the object is being queued through above FM.
http://help.sap.com/saphelp_nw04/helpdata/en/cf/21eea5446011d189700000e8322d00/content.htm
GO TO SE11
Select the radio button "Lock object"..
Give the name starts with EZ or EY..
Example: EYTEST
Press Create button..
Give the short description..
Example: Lock object for table ZTABLE..
In the tables tab..Give the table name..
Example: ZTABLE
Save and generate..
Your lock object is now created..You can see the LOCK MODULES..
In the menu ..GOTO -> LOCK MODULES..There you can see the ENQUEUE and DEQUEUE function
Lock objects:
http://www.sap-img.com/abap/type-and-uses-of-lock-objects-in-sap.htm
http://help.sap.com/saphelp_nw04s/helpdata/en/cf/21eea5446011d189700000e8322d00/content.htm
Match Code Objects:
http://help.sap.com/saphelp_nw2004s/helpdata/en/41/f6b237fec48c67e10000009b38f8cf/content.htm
http://searchsap.techtarget.com/tip/0,289483,sid21_gci553386,00.html
See this link:
http://www.sap-img.com/abap/type-and-uses-of-lock-objects-in-sap.htm
Hope this resolves your query.
<b>Reward all the helpful answers.</b>
Regards

What is the use for lock object and how to use the lock objects

Hi Guru's,
I am new to ABAP .Can you please clarify the that what is the use of lock object and how to use the loct object .what is use of the Deque & Enque function modules .

hi ,
below are some minfo about lock objects :
Lock Objects
These types of objects are used for locking the access to database records in table. This mechanism is used to enforce data integrity that is two users cannot update the same data at the same time. With lock objects you can lock table-field or whole table.
In a system where many users can access the same data, it becomes necessary to control the access to the data. In R/3 system this access control is built-in on database tables. Developers can also lock objects over table records.
To lock an object you need to call standard functions, which are automatically generated while defining the lock object in ABAP/4 dictionary. This locking system is independent of the locking mechanism used by the R/3 system. This mechanism also defines LUW i.e. Logical Unit of Work. Whenever an object is locked, either by in built locking mechanism or by function modules, it creates corresponding entry in global system table i.e. table is locked. The system automatically releases the lock at the end of transaction. The LUW starts when a lock entry is created in the system table and ends when the lock is released.
Creating Lock Objects
Lock object is an aggregated dictionary object and can be defined by using the following steps:
o From initial data dictionary screen, enter the name for the object, Click Lock object radiobutton and then click on Create. The system displays a dialog box for Maintain Lock Objects screen
o Enter short text as usual and the name for primary table.
-Save
-Select Tables option
From this screen you can:
Select secondary tables, if any, linked by foreign key relationship.
Fields for the lock objects. This option allows you to select fields for objects (R/3 system allows locking up to record level). Lock object argument are not selected by user but are imposed by the system and includes all the primary keys for the table.
1) Exclusive lock: The locked data can only be displayed or edited by a single user. A request for another exclusive lock or for a shared lock is rejected.
2) Shared lock: More than one user can access the locked data at the same time in display mode. A request for another shared lock is accepted, even if it comes from another user. An exclusive lock is rejected.
3) Exclusive but not cumulative: Exclusive locks can be requested several times from the same transaction and are processed successively. In contrast, exclusive but not cumulative locks can be called only once from the same transaction. All other lock requests are rejected.
Also, last but not the least, locking the object is logical (locking with any enqueue ) .so, you have to use the lock object while trying to access from second program .
reward if helpful ,
Regards,
Ranjita

How to link parent and child relation in Metapedia

How to link parent and child relation in Metapedia

Vamsi,
Did you every determine how to do what you were asking about? Where you thinking of how to link a parent term to a child term (i.e. like a related term) or was this about linking a term to a different metadata object (e.g. table or report) ?

What is authorization object and how to create it for a table

Hi All,
What is authorization object and how to create it for a table?
Thanks

Hi
Authorization
For authorization checks, there are many ways of linking authorization objects with user actions in an SAP system. The following discusses three possibilities in the context of ABAP programming.
Authorization Check for Transactions
You can directly link authorization objects with transaction codes. You can enter values for the fields of an authorization object in the transaction maintenance. Before the transaction is executed, the system compares these values with the values in the user master record and only starts the transaction if the appropriate authorization exists.
Authorization Check for ABAP Programs
For ABAP programs, the two objects S_DEVELOP (program development and program execution) and S_PROGRAM (program maintenance) exist. They contains a field P_GROUP that is connected with the program attribute authorization group. Thus, you can assign users program-specific authorizations for individual ABAP programs.
Authorization Check in ABAP Programs
A more sophisticated, user-programmed authorization check is possible using the Authority-Check statement. It allows you to check the entries in the user master record for specific authorization objects against any other values. Therefore, if a transaction or program is not sufficiently protected or not every user that is authorized to use the program can also execute all the actions, this statement must be used.
AUTHORITY-CHECK OBJECT object
                        ID name1 FIELD f1
                        ID name2 FIELD f2
                        ID namen FIELD fn.
object is the name of an authorization object. With name1, name2 ... , and so on, you must list all fields of the authorization object object. With f1, f2 ... , and so on, you must specify the values that the system is to check against the entries in the relevant authorization of the user master record. The AUTHORITY-CHECK statement searches for the specified object in the user profile and checks the useru2019s authorizations for all values of f1, f2 ... . You can avoid checking a field name1, name2 ... by replacing FIELD f1 FIELD f2 with DUMMY.
After the FIELD addition, you can only specify an elementary field, not a selection table. However, there are function modules available that execute the AUTHORITY-CHECK statement for all values of selection tables. The AUTHORITY-CHECK statement is supported by a statement pattern.
Only if the user has all authorizations, is the return value sy-subrc of the AUTHORITY-CHECK statement set to 0. The most important return values are:
·        0: The user has an authorization for all specified values.
·        4: The user does not have the authorization.
·        8: The number of specified fields is incorrect.
·        12: The specified authorization object does not exist.
A list of all possible return values is available in the ABAP keyword documentation. The content of sy-subrc has to be closely examined to ascertain the result of the authorization check and react accordingly.
REPORT demo_authorithy_check.
PARAMETERS pa_carr LIKE sflight-carrid.
DATA wa_flights LIKE demo_focc.
AT SELECTION-SCREEN.
AUTHORITY-CHECK OBJECT 'S_CARRID'
                  ID 'CARRID' FIELD pa_carr
                  ID 'ACTVT' FIELD '03'.
IF sy-subrc = 4.
    MESSAGE e045(sabapdocu) WITH pa_carr.
ELSEIF sy-subrc <> 0.
    MESSAGE e184(sabapdocu) WITH text-010.
ENDIF.
START-OF-SELECTION.
SELECT carrid connid fldate seatsmax seatsocc
    FROM sflight
    INTO CORRESPONDING FIELDS OF wa_flights
    WHERE carrid = pa_carr.
    WRITE: / wa_flights-carrid,
             wa_flights-connid,
             wa_flights-fldate,
             wa_flights-seatsmax,
             wa_flights-seatsocc.
ENDSELECT.
Regards
Hitesh

What is matchcode objects and how can we create tthem

hai to all.
     what is matchcode objects .
     and how can we create matchcode objects
     and how will it works

Hi
In which version of SAP are you working?
Matchcodes are replaced by SEARCH HELPs in latest versions
see the doc
1) Elementary search helps describe a search path. The elementary search help must define where the data of the hit list should be read from (selection method), how the exchange of values between the screen template and selection method is implemented (interface of the search help) and how the online input help should be defined (online behavior of the search help).
2) Collective search helps combine several elementary search helps. A collective search help thus can offer several alternative search paths.
3)An elementary search help defines the standard flow of an input help.
4) A collective search help combines several elementary search helps. The user can thus choose one of several alternative search paths with a collective search help.
5)A collective search help comprises several elementary search helps. It combines all the search paths that are meaningful for a field.
6)Both elementary search helps and other search helps can be included in a collective search help. If other collective search helps are contained in a collective search help, they are expanded to the level of the elementary search helps when the input help is called.
CREATION:
Go to SE11 Tcode
select search help
give the 'z' search help name and create
select the selection method ur table name eg : 'mara'
dialog module 'display value immediately'.
add the field whatever u want and lpos = 1 and spos = 1 and check import and export parameter.
where left position when displaying and spos = search position
and then save and activate ..
See the links:
http://help.sap.com/saphelp_nw04/helpdata/en/cf/21ee38446011d189700000e8322d00/content.htm
http://help.sap.com/saphelp_nw04/helpdata/en/cf/21ee45446011d189700000e8322d00/content.htm
https://forums.sdn.sap.com/click.jspa?searchID=3173469&messageID=2176485
https://forums.sdn.sap.com/click.jspa?searchID=3173469&messageID=3601619
pls go through this for search help creation
http://help.sap.com/saphelp_nw2004s/helpdata/en/41/f6b237fec48c67e10000009b38f8cf/content.htm
http://help.sap.com/saphelp_nw04/helpdata/en/cf/21ee2b446011d189700000e8322d00/content.htm
Search Help Exits:
Re: dynamic values for search help
Re: Dynamic search help
http://help.sap.com/saphelp_nw04/helpdata/en/cf/21ee52446011d189700000e8322d00/content.htm
http://www.sapdevelopment.co.uk/dictionary/shelp/shelp_exit.htm
https://forums.sdn.sap.com/click.jspa?searchID=4390517&messageID=1712818
Collective search help Combine several elementary search helps. A collective search help thus can offer several alternative search paths.
A Collective search help provides alternative search
Paths by combining elementary search helps.
Only one search help can be attached to a field, table or data element. Several search paths are therefore attached with a collective search help.
A collective search help also has interface parameters like
an elementary search help.
Like an elementary search help, a collective search help has an interface of IMPORT and EXPORT parameters with which the search help exchanges data. Using this interface, the collective search help can be attached to fields, tables and data elements exactly like an elementary search help.
Parameter assignment needs to be done for each of the
Included search helps.
When you define a collective search help, there are no components for describing the dialog behavior and data selection; instead the included search helps are listed here. You must assign the parameters of the collective search help to the interface parameters of the included search help for each inclusion.
User may choose the tab and thus the elementary
search maethod.
When we execute the search help SCUSTOM, we are confronted with a dialog which gives us an option of either restricting
By 1)Search for customer according to booking
2)Search for customer according to name.
These are effectively the elementary search helps (SCUSTOM_BOOK and SCUSTOM_NAME) which have been included in the collective search help SCUSTOM.
HOT KEY
The hot key is used to select the elementary search help from the collective search help and to enter the restrictions in the dialog box for restricting values directly from the entry field. If the user often searches for values using the same search help, this procedure can save time.
Steps to create a Collective Search Help
1)Enter the search help name and click on create.
2)Choose Collective search help radio button option as the search help type.
3)Enter the search help parameters.
4)Instead of the selection method, we enter the included
search helps for the collective search help.
5)We need to assign parameters for each of the included
search helps.
6)Complete the parameter assignment by clicking on the push button
7)Collective search help offers the user to obtain F4 help
using any of the included search helps.

How can I instantiate and load a new CachedRowSet object from a non-JDBC so

How can I instantiate and load a new CachedRowSet object from a non-JDBC source?
cheers

webrowset reads whole data;
I would rather need to get data line by line

How to link EKBE and MKPF tables

HI all
plz help me,
how to link EKBE and MKPF tables
thanks
ramesh redddy

HI,
EKPO-EBELN = EKKO-EBELN has Purchase Documnet no.
MSEG=MBLNR = MKPF-MBLNR has material document no
Link MSEG-EBELN = EKPO-EBELN ( MSEG purchase prder no and EKPO purhcase document no.)
and you should have to add one more table MSEG which is provide three table.
check this link
EKPO-EBELN = EKKO-EBELN
MSEG-EBELN = EKPO-EBELN
MSEG=MBLNR = MKPF-MBLNR
regards,
PK.

Plz tell me how to create authority check objects and how to usein prg

dear sir,
plz tell me how to create authority check objects and how to usein prg

http://help.sap.com/saphelp_46c/helpdata/en/5c/deaa74d3d411d3970a0000e82de14a/content.htm
http://help.sap.com/saphelp_nw70/helpdata/en/52/6716a6439b11d1896f0000e8322d00/content.ht
Create custom authorization Customer specific object
If you have requirements that cannot be met using the P_ORGIN and P_ORGXX authorization objects (for example, because you want to build your authorization checks on additional fields of the Organizational Assignment infotype (0001) that are customer-specific), you can include an authorization object in the authorization checks yourself.
Create the authorization object using transaction SU21. Make sure you keep to the customer name range (Z/Y). To be able to use the new authorization object you have created in the master data authorization check, the object must contain the INFTY, SUBTY, and AUTHC fields. You can use any of the fields of the Organizational Assignment infotype (0001) for the other fields. You can also use customer-specific additional fields provided they are CHAR or NUMC type fields.
After you have created the object, you must start the RPUACG00 report. This report overwrites the MPPAUTZZ standard include with the code that is needed to evaluate the authorization object you created. Note: Technically speaking, this involves a modification. However, SAP fully supports this procedure. And you should not have more maintenance work as a result of this modification.
          Note: that if you use customer-specific authorization objects, you must maintain these objects in transaction SU24 (Maintain Assignment of Authorization Objects to Transactions) in the same way as you maintain the authorization objects P_ORGIN, P_ORGXX, and P_PERNR
AUTHORITY CHECK OBJECT Object_name
            ID fieldname1 FIELD fieldvalue1
            ID fieldname2 FIELD fieldvalue2
            ID fieldname3 FIELD fieldvalue3.
             If sy-subrc eq 0.   "Authorization exists
             Endif.
http://articles.techrepublic.com.com/5100-6329_11-5110893.html
Edited by: JackandJay on Jan 16, 2008 10:21 AM

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Dear Techie's,
Please tell its very urgent..
How to enable RFC and how to use it in Report. ??
Virendra

hi,
pls chk any of these links.
http://help.sap.com/saphelp_46c/helpdata/en/9b/417f07ee2211d1ad14080009b0fb56/frameset.htm
http://searchsap.techtarget.com/originalContent/0,289142,sid21_gci948835,00.html
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http://techrepublic.com.com/5100-6329-1051160.html#
http://www.sap-img.com/bapi.htm
http://www.sap-img.com/abap/bapi-conventions.htm
http://www.sappoint.com/abap/bapiintro.pdf
http://www.sapgenie.com/abap/bapi/example.htm
http://help.sap.com/printdocu/core/Print46c/en/data/pdf/BCMIDAPII/CABFAAPIINTRO.pdf
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rgds
Anver

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Of course your password shouldn't work on a different Apple ID. This can happen for many reasons, no worries, just sign out back back in using your own ID.
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Today my money is deducted Rs.60 when I try to download paid applications of any amount and I am getting message transaction declined, so why my money is deducted. I lost almost Rs 480 rupees . So how to get refund and how to make card working?

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How to link 2 objects and how to access entities objects

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