Enable or Disable Concurrent Prog Parameters Dynamically

8/10/2019 Enable or Disable Concurrent Prog Parameters Dynamically

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Based on a request, here is the details on how parameter can be enabled/disabled based another parameter value.

Below is the requirement

There are 2 valuesets parameter. If for parameter 1 user selectsYes then the other paramter should be enabled whereas if No is

selected then the parameter should remain disabled. This can be achieved by using a hidden parameter as explained below.

Step1: Need 3 value sets for 3 parameter.

Value set1 = BOM_SRS_YES_NO (Oracle Defined)

Value Set2 = AMS_SRS_CHAR1 (Oracle Defined)

Value Set3 = SV_DEPENDENT_VS (User Defined)

Step2: Create Concurrent program as displayed in the screenshot below

Parameter1: Main Parameter

Parameter2: Hidden PArameter
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Parameter3: Dependent Parameter

Step3: Assign concurrent program to a request group and test your program.

P O S T E D B Y S U R E S H V A I S H Y A A T 9 : 2 7 A M

L A B E L S : G E N E R A L , S Y S T E M A D M I N I S T R A T O R
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Enable/Disable Concurrent Program ParametersRequirement -Business need is to have multiple parameters but end user will be allowed to use one at a time.

selection of any parameter, should disable others.

Solution- Below is one possible option which provides the same behavior in other way.

This requires one additional parameter as Selection/Choicewhich will decide the enabled parameter.

There will be as many dummy (non displayed) parameters as required parameters in program. actual parameters

will be dependent on respective dummy parameters.

Dummy parameters will be dependent on selection parameters and hold values based on selection.

Example - User requires 2 parameters supplier number and name to be available on one report and only one

should be selected at time. So the requirement was to make other disable. dependent parameters has limitations

and it cannot flow bottom to top. we can achieve this by introducing one selection parameter, which can hold 2

values -

1) Name Supplier Name

2) Number Supplier Number

Initially both Supplier Number and Name range parameter will be disabled.

Selection = Name, will enable supplier Name parameter range.

Selection = Number, will enable supplier Number parameter range.

Implementation Create 3 dummy parameter (1 displayable and 2 non displayable).
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Parameter Value Set Enable Display

Test1 VS0 Y Y

Test2 VS1 Y N

Test3 VS2 Y N

Value Set - VS0, will hold below values

Parameter Test2 and Test3 :

Default Value select decode(:$FLEX$.VS0,'NUMBER','Y',NULL) from dual

Test3 will have similar definition.

Value Set = VS2

Default Value select decode(:$FLEX$.VS0,'NAME','Y',NULL) from dual

Now include the below condition for Number and Supplier Value set definition

Supplier Number Value set - :$FLEX$.VS1='Y'

Supplier Name Value set - :$FLEX$.VS2='Y'
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In one of myprogramsI had multiple functionalities built in. Users could enter the parameters and based on the values entered in the proper

parameter the program will behave in different ways. It was important for me that the users are restricted to enter the right values in the right

parameter.

For example, parameter 1 had to be selected first. Based on the value selected Oracle will enable either the 2ndor the 3rdparameter for user entry. This

way we will be sure that the user unknowingly never enters the wrong parameter expecting some other kind of output

I have shown below the behavior of the SRS parameter form

SRS form behavior

Select the concurrent program and enter the parameters

Select program

At the beginning the first parameter is enabled whereas the 2ndto 5thare disabled. Select the 1stparameter.

The first parameter has 3 values,
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Parameters of the program

1. EMP

2. HR3. ORG

Each value decides which parameters to enable.

1. EMP enables Employee and Direction parameters

EMP selected

2. HR enables Direction and Department parameters

HR selected
http://oraclemaniac.com/2012/03/08/enabling-or-disabling-a-parameter-on-the-standard-srs-form/srs-form-4/http://oraclemaniac.com/2012/03/08/enabling-or-disabling-a-parameter-on-the-standard-srs-form/srs-form-3/http://oraclemaniac.com/2012/03/08/enabling-or-disabling-a-parameter-on-the-standard-srs-form/srs-form-2/http://oraclemaniac.com/2012/03/08/enabling-or-disabling-a-parameter-on-the-standard-srs-form/srs-form-4/http://oraclemaniac.com/2012/03/08/enabling-or-disabling-a-parameter-on-the-standard-srs-form/srs-form-3/http://oraclemaniac.com/2012/03/08/enabling-or-disabling-a-parameter-on-the-standard-srs-form/srs-form-2/http://oraclemaniac.com/2012/03/08/enabling-or-disabling-a-parameter-on-the-standard-srs-form/srs-form-4/http://oraclemaniac.com/2012/03/08/enabling-or-disabling-a-parameter-on-the-standard-srs-form/srs-form-3/http://oraclemaniac.com/2012/03/08/enabling-or-disabling-a-parameter-on-the-standard-srs-form/srs-form-2/


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3. ORG enables only the Department parameter

ORG selected

The parameters are handled at the concurrent program parameter registration form. Go to the concurrent program registration form

Concurrent program registration

Responsibility: System Administrator

Navigation: Concurrent > Program > Define

Query the concurrent program. Then select the Parameter button to view the parameters.
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Concurrent program

There are 2 parameters, p_check1 and p_check2, which control the other parameters enable property. These parameters are not displayed to the

user.

The settings of these parameters are the following,

Parameter: P_check1

Value Set: EY_CHK_PARAM1

Default Type: SQL Statement

Description: LOV to enable or disable Employee number parameter

Default Value: select 1 from dual where :$FLEX$.EY_HIER_TYPE = EMP

Required: Unchecked

Display: Unchecked

This parameter checks the value of EY_HIER_TYPE parameter. If the value is set to EMP then it returns a value 1.

Parameter: P_check2

Value Set: EY_CHK_PARAM2

Default Type: SQL Statement

Description: LOV to enable or disable department parameter

Default Value: select 2 from dual where :$FLEX$.EY_HIER_TYPE = HR

Required: Unchecked

Display: Unchecked

This parameter checks the value of EY_HIER_TYPE parameter. If the value is set to EMP then it returns a value 1.

Parameter: p_emp_num

Value Set: EY_EMP_NUMBER

Default Type:


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Description: EY Employee Number

Default Value:

Required: Checked

Display: Checked

This parameter is enabled when parameter p_check1 returns a value

Parameter: p_emp_num

Value Set: EY_HR_DEPT

Default Type:

Description: List of the HR organizations

Default Value:

Required: Unchecked

Display: Unchecked

This parameter is enabled when parameter p_check2 returns a value

Let us see the value sets, EY_CHK_PARAM1 and EY_CHK_PARAM2, that are used by these 2 parameters.

Navigation: Application > Validation > Set

Query for EY_CHK_PARAM1


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Value Set EY_CHK_PARAM1


Value set EY_CHK_PARAM2

As you can see both the parameters are of type Independent. Let us see the values set in the value sets.

Navigation: Application > Validation > Values
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EY_CHK_PARAM1 values


EY_CHK_PARAM2 values

The values in the value sets correspond to the default value set in the concurrent program default values.

Now let us check the value sets of the other 2 parameters, EY_EMP_NUMBER and EY_HR_DEPT.

Going back to the Value Set form we first query for the EY_EMP_NUMBER value set.


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EY_EMP_NUMBER value set

Click on Edit Information button

Value set clause


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The most important point is the WHEREclause,

1

2

3

where1 = 1

andcurrent_employee_flag = 'Y'

and:$FLEX$.EY_CHK_PARAM1 = 1

The value set is actually dependent on the EY_CHK_PARAM1 value set. This means is EY_CHK_PARAM parameter is not set to 1 this value set will

not only be null but it will also be disabled.

Check the value set EY_HR_DEPT

EY_HR_DEPT value set

Click Edit Information button.
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Value set WHERE clause

This value set has the same logic as before, except that the logic is on the other value set, i.e. EY_CHK_PARAM2.

The logi c of thi s development is that when a value set is dependent on an other val ue set then the dependent value set is disabled until the independent valu e set

has at l east 1 val ue that can be selected.

You will get the LDT file of the concurrent program at this URL,XXGENHIER

Cheers!

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Enable or Disable Concurrent Prog Parameters Dynamically