Programm to visualize Collections using annotations...

Hi there!
So far, I have no experience in classloading, annotations and annotation processing... as a little exercise, I thougt of a little app that does the following:
It dynamically loads classes (Collections, specifically) which
a) implement the Iterator interface
b) "have" annotations to mark the methods for insertion, removal (@insert, @remove or whatever)
I use these annotations to map the methods to specific buttons... after insertion/removal, I request the Iterator and paint the changed collection (as a Tree, List, etc.).
So the main function for the app is to test and play a little around with self-implemented collections.
Any suggestions? Ideas? Criticism?
Thanks, Oliver

Trollhorn wrote:
Hi there!
So far, I have no experience in classloading, annotations and annotation processing... as a little exercise, I thougt of a little app that does the following:
It dynamically loads classes (Collections, specifically) which
a) implement the Iterator interfaceI assume you mean the Iterable interface.
b) "have" annotations to mark the methods for insertion, removal (@insert, @remove or whatever)Well, seeing as all the non-Map collections implement Collection, you don't really need any fancy processing, but i guess it could be fun...

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Invalid table name error when updating object in collection using SQL

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How to specify a mapping file using annotations?
Thanks
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Thanks
That is working..
I defined my expression as constant in my another file and it is working fine....
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Managing statistics for object collections used as table types in SQL

Hi All,
Is there a way to manage statistics for collections used as table types in SQL.
Below is my test case
Oracle Version :
SQL> select * from v$version;
BANNER
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
PL/SQL Release 11.2.0.3.0 - Production
CORE    11.2.0.3.0      Production
TNS for IBM/AIX RISC System/6000: Version 11.2.0.3.0 - Production
NLSRTL Version 11.2.0.3.0 - Production
SQL> Original Query :
SELECT
     9999,
     tbl_typ.FILE_ID,
     tf.FILE_NM ,
     tf.MIME_TYPE ,
     dbms_lob.getlength(tfd.FILE_DATA)
FROM
     TG_FILE tf,
     TG_FILE_DATA tfd,
          SELECT
          FROM
               TABLE
                    SELECT
                         CAST(TABLE_ESC_ATTACH(OBJ_ESC_ATTACH( 9999, 99991, 'file1.png', NULL, NULL, NULL),
                         OBJ_ESC_ATTACH( 9999, 99992, 'file2.png', NULL, NULL, NULL)) AS TABLE_ESC_ATTACH)
                    FROM
                         dual
     )     tbl_typ
WHERE
     tf.FILE_ID     = tfd.FILE_ID
AND tf.FILE_ID = tbl_typ.FILE_ID
AND tfd.FILE_ID = tbl_typ.FILE_ID;
Elapsed: 00:00:02.90
Execution Plan
Plan hash value: 3970072279
| Id | Operation                                | Name         | Rows | Bytes | Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT                         |              |     1 |   194 | 4567   (2)| 00:00:55 |
|* 1 | HASH JOIN                               |              |     1 |   194 | 4567   (2)| 00:00:55 |
|* 2 |   HASH JOIN                              |              | 8168 |   287K|   695   (3)| 00:00:09 |
|   3 |    VIEW                                  |              | 8168 |   103K|    29   (0)| 00:00:01 |
|   4 |     COLLECTION ITERATOR CONSTRUCTOR FETCH|              | 8168 | 16336 |    29   (0)| 00:00:01 |
|   5 |      FAST DUAL                           |              |     1 |       |     2   (0)| 00:00:01 |
|   6 |    TABLE ACCESS FULL                     | TG_FILE      |   565K|    12M|   659   (2)| 00:00:08 |
|   7 |   TABLE ACCESS FULL                      | TG_FILE_DATA |   852K|   128M| 3863   (1)| 00:00:47 |
Predicate Information (identified by operation id):
   1 - access("TF"."FILE_ID"="TFD"."FILE_ID" AND "TFD"."FILE_ID"="TBL_TYP"."FILE_ID")
   2 - access("TF"."FILE_ID"="TBL_TYP"."FILE_ID")
Statistics
          7 recursive calls
          0 db block gets
      16783 consistent gets
      16779 physical reads
          0 redo size
        916 bytes sent via SQL*Net to client
        524 bytes received via SQL*Net from client
          2 SQL*Net roundtrips to/from client
          0 sorts (memory)
          0 sorts (disk)
          2 rows processed Indexes are present in both the tables ( TG_FILE, TG_FILE_DATA ) on column FILE_ID.
select
     index_name,blevel,leaf_blocks,DISTINCT_KEYS,clustering_factor,num_rows,sample_size
from
     all_indexes
where table_name in ('TG_FILE','TG_FILE_DATA');
INDEX_NAME                     BLEVEL LEAF_BLOCKS DISTINCT_KEYS CLUSTERING_FACTOR     NUM_ROWS SAMPLE_SIZE
TG_FILE_PK                          2        2160        552842             21401       552842      285428
TG_FILE_DATA_PK                     2        3544        852297             61437       852297      852297 Ideally the view should have used NESTED LOOP, to use the indexes since the no. of rows coming from object collection is only 2.
But it is taking default as 8168, leading to HASH join between the tables..leading to FULL TABLE access.
So my question is, is there any way by which I can change the statistics while using collections in SQL ?
I can use hints to use indexes but planning to avoid it as of now. Currently the time shown in explain plan is not accurate
Modified query with hints :
SELECT
    /*+ index(tf TG_FILE_PK ) index(tfd TG_FILE_DATA_PK) */
    9999,
    tbl_typ.FILE_ID,
    tf.FILE_NM ,
    tf.MIME_TYPE ,
    dbms_lob.getlength(tfd.FILE_DATA)
FROM
    TG_FILE tf,
    TG_FILE_DATA tfd,
        SELECT
        FROM
            TABLE
                    SELECT
                         CAST(TABLE_ESC_ATTACH(OBJ_ESC_ATTACH( 9999, 99991, 'file1.png', NULL, NULL, NULL),
                         OBJ_ESC_ATTACH( 9999, 99992, 'file2.png', NULL, NULL, NULL)) AS TABLE_ESC_ATTACH)
                    FROM
                         dual
    tbl_typ
WHERE
    tf.FILE_ID     = tfd.FILE_ID
AND tf.FILE_ID = tbl_typ.FILE_ID
AND tfd.FILE_ID = tbl_typ.FILE_ID;
Elapsed: 00:00:00.01
Execution Plan
Plan hash value: 1670128954
| Id | Operation                                 | Name            | Rows | Bytes | Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT                          |                 |     1 |   194 | 29978   (1)| 00:06:00 |
|   1 | NESTED LOOPS                             |                 |       |       |            |          |
|   2 |   NESTED LOOPS                            |                 |     1 |   194 | 29978   (1)| 00:06:00 |
|   3 |    NESTED LOOPS                           |                 | 8168 | 1363K| 16379   (1)| 00:03:17 |
|   4 |     VIEW                                  |                 | 8168 |   103K|    29   (0)| 00:00:01 |
|   5 |      COLLECTION ITERATOR CONSTRUCTOR FETCH|                 | 8168 | 16336 |    29   (0)| 00:00:01 |
|   6 |       FAST DUAL                           |                 |     1 |       |     2   (0)| 00:00:01 |
|   7 |     TABLE ACCESS BY INDEX ROWID           | TG_FILE_DATA    |     1 |   158 |     2   (0)| 00:00:01 |
|* 8 |      INDEX UNIQUE SCAN                    | TG_FILE_DATA_PK |     1 |       |     1   (0)| 00:00:01 |
|* 9 |    INDEX UNIQUE SCAN                      | TG_FILE_PK      |     1 |       |     1   (0)| 00:00:01 |
| 10 |   TABLE ACCESS BY INDEX ROWID             | TG_FILE         |     1 |    23 |     2   (0)| 00:00:01 |
Predicate Information (identified by operation id):
   8 - access("TFD"."FILE_ID"="TBL_TYP"."FILE_ID")
   9 - access("TF"."FILE_ID"="TBL_TYP"."FILE_ID")
       filter("TF"."FILE_ID"="TFD"."FILE_ID")
Statistics
          0 recursive calls
          0 db block gets
         16 consistent gets
          8 physical reads
          0 redo size
        916 bytes sent via SQL*Net to client
        524 bytes received via SQL*Net from client
          2 SQL*Net roundtrips to/from client
          0 sorts (memory)
          0 sorts (disk)
          2 rows processed
Thanks,
B

Thanks Tubby,
While searching I had found out that we can use CARDINALITY hint to set statistics for TABLE funtion.
But I preferred not to say, as it is currently undocumented hint. I now think I should have mentioned it while posting for the first time
http://www.oracle-developer.net/display.php?id=427
If we go across the document, it has mentioned in total 3 hints to set statistics :
1) CARDINALITY (Undocumented)
2) OPT_ESTIMATE ( Undocumented )
3) DYNAMIC_SAMPLING ( Documented )
4) Extensible Optimiser
Tried it out with different hints and it is working as expected.
i.e. cardinality and opt_estimate are taking the default set value
But using dynamic_sampling hint provides the most correct estimate of the rows ( which is 2 in this particular case )
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SELECT
    /*+ cardinality( e, 5) */*
FROM
     TABLE
          SELECT
               CAST(TABLE_ESC_ATTACH(OBJ_ESC_ATTACH( 9999, 99991, 'file1.png', NULL, NULL, NULL),
               OBJ_ESC_ATTACH( 9999, 99992, 'file2.png', NULL, NULL, NULL)) AS TABLE_ESC_ATTACH)
          FROM
               dual
     ) e ;
Elapsed: 00:00:00.00
Execution Plan
Plan hash value: 1467416936
| Id | Operation                             | Name | Rows | Bytes | Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT                      |      |     5 |    10 |    29   (0)| 00:00:01 |
|   1 | COLLECTION ITERATOR CONSTRUCTOR FETCH|      |     5 |    10 |    29   (0)| 00:00:01 |
|   2 |   FAST DUAL                           |      |     1 |       |     2   (0)| 00:00:01 |
With OPT_ESTIMATE hint
SELECT
     /*+ opt_estimate(table, e, scale_rows=0.0006) */*
FROM
     TABLE
          SELECT
               CAST(TABLE_ESC_ATTACH(OBJ_ESC_ATTACH( 9999, 99991, 'file1.png', NULL, NULL, NULL),
               OBJ_ESC_ATTACH( 9999, 99992, 'file2.png', NULL, NULL, NULL)) AS TABLE_ESC_ATTACH)
          FROM
               dual
     ) e ;
Execution Plan
Plan hash value: 4043204977
| Id | Operation                              | Name | Rows | Bytes | Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT                       |      |     5 |   485 |    29   (0)| 00:00:01 |
|   1 | VIEW                                  |      |     5 |   485 |    29   (0)| 00:00:01 |
|   2 |   COLLECTION ITERATOR CONSTRUCTOR FETCH|      |     5 |    10 |    29   (0)| 00:00:01 |
|   3 |    FAST DUAL                           |      |     1 |       |     2   (0)| 00:00:01 |
With DYNAMIC_SAMPLING hint
SELECT
    /*+ dynamic_sampling( e, 5) */*
FROM
     TABLE
          SELECT
               CAST(TABLE_ESC_ATTACH(OBJ_ESC_ATTACH( 9999, 99991, 'file1.png', NULL, NULL, NULL),
               OBJ_ESC_ATTACH( 9999, 99992, 'file2.png', NULL, NULL, NULL)) AS TABLE_ESC_ATTACH)
          FROM
               dual
     ) e ;
Elapsed: 00:00:00.00
Execution Plan
Plan hash value: 1467416936
| Id | Operation                             | Name | Rows | Bytes | Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT                      |      |     2 |     4 |    11   (0)| 00:00:01 |
|   1 | COLLECTION ITERATOR CONSTRUCTOR FETCH|      |     2 |     4 |    11   (0)| 00:00:01 |
|   2 |   FAST DUAL                           |      |     1 |       |     2   (0)| 00:00:01 |
Note
   - dynamic sampling used for this statement (level=2)I will be testing the last option "Extensible Optimizer" and put my findings here .
I hope oracle in future releases, improve the statistics gathering for collections which can be used in DML and not just use the default block size.
By the way, are you aware why it uses the default block size ? Is it because it is the smallest granular unit which oracle provides ?
Regards,
B

Query for create manual tabular form using apex collection using item textfield with autocomplete

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how it is possible?
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select seq_id,
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        p_idx                       =>   1,
        p_value                     =>   c001,
        p_query                     =>   'SELECT C001 D
     , C002 R
FROM APEX_COLLECTIONS
WHERE COLLECTION_NAME = ''col1''',
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        p_null_value                =>   null,
        p_null_text                 =>   '- Select name -',
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        p_item_label                =>   'Label for f01_#ROWNUM#',
        p_show_extra                =>   'NO') name,
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        p_idx                       =>   2,
        p_value                     =>   c002,
        p_query              =>   ' SELECT null d, null r FROM dual WHERE 1 = 2
        p_attributes                =>   'style="width:150px"',
        p_show_null                 =>   'Yes',
        p_null_value                =>   null,
        p_null_text                 =>   '- Select name -',
        p_item_id                   =>   'f02_'|| LPAD (ROWNUM, 4, '0'),
        p_item_label                =>   'Label for f02_#ROWNUM#',
        p_show_extra                =>   'NO')name2,
from apex_collections
where
collection_name = 'COLLECTION1'
It is fine .
but i want item in tabular form textfield with autocomplete and remove select list. my requirement is using textfield with autocomplete select a employee name and second item textfield with autocomplete display dependent perticular employee related multiple task.
how it is created.i have no idea related textfield with autocomplete.Please help me....

pt_user1
I understand that the add row button is currently doing a submit.
To not submit the page you need a dynamic action on the page.
Does the javascript function addRow do what you want?
Otherwise have a look at the following two threads Add row in manual tabular form using dynamic action and Accessing Tabular Form & Add Elements to Collection without Page Submit.
You're process could be something like:
Add the new values to the collection using the idea's in the second thread and at the same time add the new row.
And as second action refresh your tabular form.
If you get stuck set up what you have done on apex.oracle.com using the tables from the demo application.
Nicolette

Collection in collection using Struts

I know we can submit the value of value object in collection using the following code.
<logic:iterate id="collection" name="form" property="collection">
<html:hidden indexed="true" name="collection" property="code" />
</logic:iterate>
But how about collection in collection? Is this possible in struts?
Thanks in advance

What you say is indeed the way to use struts.
But I dont want to define in my jsp which fields of the Company object I want to display. I just want to loop through array of Collections and display them on my screen.
I would like to ask the EJB for example getCompanyByName which returns me a array of Collections : (Company a, street 1) , (Company b, street 2)
If I call getCompanyByStreet it returns me (street 1, Company a), (street 2, Company b)
Thanks
Nathalie

Lightroom 5: Can't make smart collection using keywords?

I watched a tutorial about how to make smart collections using keywords.
I spent a couple hours selecting the photos (using the paint can, good tip) and giving about 700 photos the keyword "use". Then I went to make a smart collection and discovered that it only allows you "any text field" with no reference to keywords. Many photos in my huge collection have the letters "use" in their titles.
So is there no way to select keywords as a basis for smart collections????

Jim Wilde wrote:
To be honest, I'm still not sure of the purpose/benefit of the change!
Definitely: to reduce time it takes to scroll from top to bottom .
Hopefully: to pave the way for additional metadata items in the future .
R

Delete site collection using Client object model

Is it possible to delete a site collection using Client object model?
-Prashant

I don't think you can create or delete a site-collection using SharePoint Client Object Model. You'd need to leverage admin web services (
http://Site/_vti_adm/Admin.asmx) (or) server-side object model (or) powershell for this task.
Please mark the replies as answers if they help or unmark if not.

Why can't i use "annotation" with JDK1.5?

I have installed JDK1.5.
I used Eclipse3.1 + Myeclipse4.0 with the jre of JDK1.5.
But when i wrote this class file(use with web framework Tapestry4.0):
package com.tapestry4.linkdemo.page;
import org.apache.tapestry.annotations.Persist;
import org.apache.tapestry.html.BasePage;
import java.lang.annotation.*;
public abstract class DirectLinkPage extends BasePage {
      @Persist
         public abstract int getCounter();
         public abstract void setCounter(int counter);
         public void doClick()
             int counter = getCounter();
             counter++;
             setCounter(counter);
}But the eclipse tell me that i can't use annotation with "@Persist",but when i try importing the java.lang.annotation.* pakcage,eclipse not report an error. Why? What can i do?

So I try downloading an app again today but it keeps saying it need to update to the newer iOS, which I can't with an iPad 1. I've already updated to the newest version I can.
It came to me that maybe this problem is coming from the app store. Well, I'd anyone knows of a way to go around this, please do tell me. Or is it that you can't download apps with iPad 1 anymore?
Thanks in advance!

I am programmer and I am using dr java on my mac-book pro with retina display but dr java doesn't support retina display, what is the possible way to solve this ?

I am programmer and I am using dr java on my mac-book pro with retina display but dr java doesn't support retina display, what is the possible way to solve this ?

I have made some progress.... I can print wirelessly from my printer now, but I can't set the printer itself to be wireless. I had to move my printer downstairs to where my router is...which is not that convient. I printed up the page you asked about....and as expected, it says it is off line and there is no IP address. So now I need to figure out how to make my printer itself wireless. I did download the HP driver I needed...but I can't access it to do anything else. It seems l like I am missing a step... or I need to hook up my computer itself to the printer to help get the printer to be wirelss, but I can't hook it up because there is no port for me to do that (no port that looks like a phone jack). I am guessing I would need a different type of cord, but I am not sure what kind of cord that would be! Ugh!

Update collection using ajax

could anyone tell me how can I implement the update collection using ajax? I saw the example from carl's wonderful solution for "collection control" but he didn't implement update and delete single record. I am trying to make it, but i stoped at the point to auto assign the item value to update statements. I don't know how can I get the value immediately when I change it. Thanks in advance.
lik

Karen,
did you find any solution for this problem?
I am struggling with a similar problem.
I found out that the seq_id is not available, which results in the error "no data found".
At the moment, I don't see how to provide the seq_id correctly.
br
Michael

How to extract audit log data from every document library in site collection using powershell?

Hi All,
I have n number of document library in one site collection,
My query is- How to extract audit log data from every document library in a site collection using powershell?
Please give solution as soon as possible?

Hi inguru,
For SharePoint audit log data, These data combine together in site collection. So there is no easy way to extract audit log data for document library.
As a workaround, you can export the site collection audit log data to a CSV file using PowerShell Command, then you can filter the document library audit log data in Excel.
More information:
SharePoint 2007 \ 2010 – PowerShell script to get SharePoint audit information:
http://sharepointhivehints.wordpress.com/2014/04/30/sharepoint-2007-2010-powershell-script-to-get-sharepoint-audit-information/
Best Regards
Zhengyu Guo
TechNet Community Support

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