Query on CAF

Hi.
Im beginner to CAF, I have some more queries.
1.What is IServiceFacade?
2.What is difference between ModelNode and ValueNode?
3.What does ModelUtility.logExecute(IWDNode, IWDNode) method do?
4.what does these naming conventions represent?
a. AQProduct
b. PQProductFindAll
c. QQProductServiceAll
5. Any link to get more info on the attributes, methods related to IAspect, IQuery, IServiceModule, IServiceFacade etc?
Regards
Bala

I read somewhere that Teradata can also read
unicode.Anyway this column is set to Latin. And Im
able to directly insert records.
I view the records using teradata sql assistant - and
the records inserted by the java application have a ?
for french character whereas the ones I inseretd
manually are displayed correctly.Ok, so that lends more credit to one_dane's response. Somewhere in your Java code you are munging the string.

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    f
    Edited by: hao fan on Jul 15, 2008 5:52 PM

    Hi,
    You can  use only Queryfilter to from select queries.
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  • Problem in CAF- UI with web dynpro

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  • Flashback 기능 관련 질문 드립니다.[FLASHBACK TRANSACTION QUERY]

    flashback 기능을 공부 중에 있습니다.
    테스트 환경 은 10GR1 입니다.
    scott 에 dba 권한을 주구 쉽게 테스트 진행 중에
    예제와 좀 다른 결과가 나와서, 좀 이상하게 생각이 되서요..
    원래 이게 맞는지도 잘 모르겠네요..
    제가 테스트 진행에 참고하는 문서는
    Reviewed by Oracle Certified Master Korea Community
    ( http://www.ocmkorea.com http://cafe.daum.net/oraclemanager )
    A REWIND BUTTON FOR ORACLE 10G DATABASE
    – FLASHBACK BEST PRACTICES
    입니다. 오타가 좀 있더군요..
    아래와 같이 테스트를 진행 하였습니다.
    ### Test 시작
    # sysdate check
    --select sysdate from dual
    --2007/02/21 20:14:57
    # emp data check
    --select * from emp
    --7782     CLARK     MANAGER     7839     1981/06/09 00:00:00     2450          10
    --7788     SCOTT     ANALYST     7566     1982/12/09 00:00:00     3000          20
    --7839     KING     PRESIDENT          1981/11/17 00:00:00     5000          10
    --7844     TURNER     SALESMAN     7698     1981/09/08 00:00:00     1500     0     30
    --7876     ADAMS     CLERK     7788     1983/01/12 00:00:00     1100          20
    --7900     JAMES     CLERK     7698     1981/12/03 00:00:00     950          30
    --7902     FORD     ANALYST     7566     1981/12/03 00:00:00     3000          20
    --7934     MILLER     CLERK     7782     1982/01/23 00:00:00     1300          10
    ## 3rows 삭제
    --delete emp where empno in ( 7782,7788,7839 )
    --commit
    ## 삭제 결과 확인
    --select * from emp
    --7844     TURNER     SALESMAN     7698     1981/09/08 00:00:00     1500     0     30
    --7876     ADAMS     CLERK     7788     1983/01/12 00:00:00     1100          20
    --7900     JAMES     CLERK     7698     1981/12/03 00:00:00     950          30
    --7902     FORD     ANALYST     7566     1981/12/03 00:00:00     3000          20
    --7934     MILLER     CLERK     7782     1982/01/23 00:00:00     1300          10
    ## Sysdate Check
    -- select sysdate from dual
    -- 2007/02/21 20:16:19
    ## 원래 이부분은 원문은 where 절을 추가하여 아래와 같습니다.
    SELECT version xid, ename
    FROM emp
    VERSIONS BETWEEN
    TO_TIMESTAMP('03/15/2005 15:30:00', 'MM/DD/YYYY HH24:MI:SS') AND
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    찾는 다는 의미에서 where 절을 주지 않았습니다.
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    -- select versions_xid, ename from emp versions between timestamp
    -- to_timestamp('2007.02.21 19:40:00','YYYY.MM.DD HH24:MI:SS') and
    -- to_timestamp('2007/02/21 20:16:19','YYYY.MM.DD HH24:MI:SS')
    ## Return 된 결과
    -- 0004002D0002F847     KING
    --0004002D0002F847     SCOTT
    --0004002D0002F847     CLARK
    --     CLARK
    --     SCOTT
    --     KING
    --     TURNER
    --     ADAMS
    --     JAMES
    --     FORD
    --     MILLER
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    복구가 가능하다고 하는데 실제로 return 되는 undo_sql 문장은
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    --SELECT operation, undo_sql
    --FROM FLASHBACK_TRANSACTION_QUERY
    --WHERE xid = HEXTORAW('0004002D0002F847');
    --DELETE     insert into "SCOTT"."EMP"("EMPNO","ENAME","JOB","MGR","HIREDATE","SAL","COMM","DEPTNO")
    -- values ('7782','CLARK','MANAGER','7839',TO_DATE('81/06/09', 'RR/MM/DD'),'2450',NULL,'10');
    --BEGIN     
    ==> undo 로 return 되는것은 한 row 에 대한 undo_sql 문 !!
    # 이건 참고 문서 원문 입니다. xid 값을 통해서 원하는 문장 찾기
    SELECT operation, undo_sql
    FROM FLASHBACK_TRANSACTION_QUERY
    WHERE xid = HEXTORAW(‘0400260021450000’);
    ## Test 끝
    이것이 정상적인지 제가 miss 하고 가는 것이 있는지 조언
    부탁드립니다.
    좋은 하루 되세요 .
    글 수정:
    darkturtle
    글 수정:
    darkturtle

    flashback 기능은 9i때 도입된건 맞습니다. 다만 9i 때는 [flashback query] 만 제공 되었고,
    10g 이후부터
    lashback Database
    Flashback Drop
    Flashback Query
    Flashback Version Query
    Flashback Transaction Query
    Flashback Table
    모두 지원되며, 11g에서도 물론 지원됩니다.... 아마 더 추가된 flashback 기능이 있을 겁니다.. ^^

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    Edited by: Katharina Seiz on Oct 6, 2008 6:32 PM

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       library:com.sap.guid
       library:com.sap.util.monitor.jarm
       sap.com/com.sap.jdo
       library:cafmetamodellib
       sap.com/caf~core
       library:cafruntimeconnectivity
       library:cafruntimeconnectivity~base
       service:applocking
       interface:security
       library:cafruntimeapi~lib
       service:tcsecdestinations~service
       interface:tcsecdestinations~interface
    Resources:
       C:
    usr
    sap
    J17
    JC01
    j2ee
    cluster
    server0
    apps
    ibm.com
    cer_test
    src.zip
       C:
    usr
    sap
    J17
    JC01
    j2ee
    cluster
    server0
    apps
    ibm.com
    cer_test
    EJBContainer
    applicationjars
    ibm.comcer_testejbmodule.jar
       C:
    usr
    sap
    J17
    JC01
    j2ee
    cluster
    server0
    apps
    ibm.com
    cer_test
    EJBContainer
    clientjars
    clientibm.comcer_testejbmodule.jar
    Loading model: {parent,references,local}
         at com.sap.engine.frame.core.load.ReferencedLoader.loadClass(ReferencedLoader.java:382)
         at com.sap.caf.rt.bol.da.remote.MessageEntityConverter.createNewInstance(MessageEntityConverter.java:781)
         ... 50 more
    Thanks in advance
    Sudip

    Hi,
    I too got an exception like that.
    1. Instead of code
    patentServiceLocal local = this.getpatentService();
    local.update(OBJECT);
    use the following
    this.getpatentService().update(OBJECT);
    I got by problem solved this way.
    Regards,
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  • Selecting Key for Entity Services in CAF

    Hello All,
    I have a question. While creating attributes for an entity service, we have an option to select it as key or complex. Suppose if we choose many attributes as key , then will it be a composite key ?
    Like if we created Entity "project", and then create following attributes
    Dept (Key)
    ProjectName (Key)
    Description
    Then will Dept and ProjectName together form a composite key ? or they will be individual keys for the project?
    Thanks
    Ashutosh Rastogi

    Hi Ashutosh,
    I think they would form a composite key.
    In fact the other day we were developing a PurchaseOrder entity service and by mistake chose poNo and vendorNo both as keys. Now we had a findByVendorNo operation which was returning a list of POs and we had only mapped the po from the BAPI to the attribute. Everything was hunky-dory during design time, we were able to build and deploy but while testing it using the service browser, on "execute query" CAF returned us an error. This was even though poNo was unique for every record.
    Regards,
    Parag.

  • CAF case insensitve search QueryFilter

    Is it possible to do case insensitive search in CAF using QueryFilter? By default it does case sensitive searches in data elements of Entity Services.
    I am using 7.0.
    Also according to
    http://help.sap.com/saphelp_nw70/helpdata/en/44/6359a603b13674e10000000a114a6b/content.htm
    The code below searches between these 2 strings... What does that mean?
    QueryFilter("STRING_SAMPLE", "!=");

    Hi,
    QueryFilter("Hello", "Bye");
    is true if the data queried is equal to one of the two values (or equal to "Hello" or equal to "Bye").
    hope been helpful,
    best regards,
    Marco.

  • CAF specifying sort order in a findBy

    I'm fairly new to CAF and was wondering if there is a way of specifying the sort order when doing a findBy query.  I can't seem to find any information on this but it seems like a very basic need when querying a db.
    Thanks,
    Cindy

    Hi Cindy,
    Unfortunately there's no way to specify order by or paging in CAF findBy operations. This will be available in the next major CAF release.

  • U00AB DataAccessException u00BB when calling CAF web service

    Hi expert,
    When launching any operations through a web service created in CAF-CORE (release Portal EP 70 SPS12), I get the error message «PersistenceManager was closed » (see log). 
    While after launching the related methods in caf test tool, it works and enables further use of web service operations including the one that returned Persistence Manager error message.
    It seems that launching the test tool enable the use of PersistenceManager.
    This strange behaviour reveals only once after each restart of the portal.
    Anyone has an idea to enable directly the persitence manager ?
    Thanks a lot.
    log :
    Caught com.sap.caf.rt.exception.DataAccessException: PersistenceManager was closed.
    at com.sap.caf.rt.bol.da.jdo.JDODADataAccessService.query(JDODADataAccessService.java:710)
    at com.arcelor.supmgt_1.besrv.supplierdoc.SupplierDocServiceBean.findByMultipleParametersInternal(SupplierDocServiceBean.java:418)
    at com.arcelor.supmgt_1.besrv.supplierdoc.SupplierDocServiceBean.findByMultipleParameters(SupplierDocServiceBean.java:320)
    at com.arcelor.supmgt_1.besrv.supplierdoc.SupplierDocServiceBean.findByRamsesId(SupplierDocServiceBean.java:370)
    at com.arcelor.supmgt_1.besrv.supplierdoc.SupplierDocServiceLocalLocalObjectImpl0_0.findByRamsesId(SupplierDocServiceLocalLocalObjectImpl0_0.java:920)
    at com.arcelor.supmgt_1.appsrv.supdocmanager.SupDocManagerBean.findSupplierDocByRamsesId(SupDocManagerBean.java:1737)
    at com.arcelor.supmgt_1.appsrv.supdocmanager.SupDocManagerBean.findSupplierDocByRamsesId_R(SupDocManagerBean.java:1705)
    at com.arcelor.supmgt_1.appsrv.supdocmanager.SupDocManagerObjectImpl0_0.findSupplierDocByRamsesId_R(SupDocManagerObjectImpl0_0.java:3988)
    at com.arcelor.supmgt_1.appsrv.supdocmanager.SupDocManager_Stub.findSupplierDocByRamsesId_R(SupDocManager_Stub.java:3475)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:324)
    at com.sap.engine.services.ejb.session.stateless_sp5.ObjectStubProxyImpl.invoke(ObjectStubProxyImpl.java:187)
    at $Proxy185.findSupplierDocByRamsesId_R(Unknown Source)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:324)
    at com.sap.engine.services.webservices.runtime.EJBImplementationContainer.invokeMethod(EJBImplementationContainer.java:126)
    at com.sap.engine.services.webservices.runtime.RuntimeProcessor.process(RuntimeProcessor.java:157)
    at com.sap.engine.services.webservices.runtime.RuntimeProcessor.process(RuntimeProcessor.java:79)
    at com.sap.engine.services.webservices.runtime.servlet.ServletDispatcherImpl.doPost(ServletDispatcherImpl.java:92)
    at SoapServlet.doPost(SoapServlet.java:51)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
    at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:401)
    at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:266)
    at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:387)
    at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:365)
    at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:944)
    at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:266)
    at com.sap.engine.services.httpserver.server.Client.handle(Client.java:95)
    at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:175)
    at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
    at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
    at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
    at java.security.AccessController.doPrivileged(Native Method)
    at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:100)
    at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:170)
    Caused by: javax.jdo.JDOFatalUserException: PersistenceManager was closed.
    at com.sap.jdo.common.PersistenceManagerImpl.assertIsOpen(PersistenceManagerImpl.java:1220)
    at com.sap.jdo.common.TransactionImpl.getNontransactionalRead(TransactionImpl.java:285)
    at com.sap.jdo.common.state.PersistentNonTransactional.transitionReadField(PersistentNonTransactional.java:140)
    at com.sap.jdo.common.state.StateManagerImpl.loadField(StateManagerImpl.java:1150)
    at com.sap.jdo.common.state.StateManagerImpl.isLoaded(StateManagerImpl.java:1919)
    at com.sap.caf.tc.besrv.simpletype.SimpleType.jdoGetprimitiveType(SimpleType.java)
    at com.sap.caf.tc.besrv.simpletype.SimpleType.getPrimitiveType(SimpleType.java:538)
    at com.sap.caf.tc.besrv.simpletype.SimpleType.getProperty(SimpleType.java:590)
    at com.sap.caf.rt.bol.util.SimpleTypeHelper.getSimpleTypeByKey(SimpleTypeHelper.java:188)
    at com.sap.caf.rt.bol.util.SimpleTypeHelper.parse(SimpleTypeHelper.java:140)
    at com.arcelor.supmgt_1.besrv.supplierdoc.SupplierDocJDO.getCustomProperty(SupplierDocJDO.java:1057)
    at com.arcelor.supmgt_1.besrv.supplierdoc.SupplierDocJDO.getProperty(SupplierDocJDO.java:978)
    at com.sap.caf.rt.bol.da.jdo.JDOToPlainObjectsConverter.copyValues(JDOToPlainObjectsConverter.java:211)
    at com.sap.caf.rt.bol.da.jdo.JDOToPlainObjectsConverter.convertJDOToPlainObject(JDOToPlainObjectsConverter.java:78)
    at com.sap.caf.rt.bol.da.jdo.JDODADataAccessService.query(JDODADataAccessService.java:680)
    ... 39 more

    Marcos,
    This looks like the error message you have:
    http://wiki.sdn.sap.com/wiki/display/JSTSG/%28NWA%29Problems-P050
    Have you checked if this is related to a permission error?
    Cheers.

  • JPA and CAF

    Hello,
    I try to use JPA to query custom data source, but my persistence.xml is overwriten by CAF, so it will use the system datasource and I will always have the exception like following.
    Persistence unit 'XXXXX' requested from archive 'XXXX~caf~ejbmodule.jar' is not present in application 'XXXX~caf~ear' or is not visible to the requested archive. Resolved PU root archive path is 'null', resolved PU name is 'null'.:
    Is there any solution to enable multi-persistence unit with CAF?
    Regards,
    TS

    Hi,
    there is no chance to use the same persistence.xml as CAF. You cannot prevent CAF from overwriting the persistence.xml.
    Ttry another persistence.xml inside another EJB DC and bundle it inside the same EAR.
    According to section 7.1.1 "Responsibilities of the Container" in JPA 1.0 specification, JSR 220: Enterprise JavaBeans,Version 3.0, Java Persistence API, more than one jar with META-INF/persistence.xml inside the same EAR should work.
    Regards
    Rolf

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