CHECK_SINGLETON SAP Method Check if block instance already exists under parent
Below is documentation, parameters and attributes of ABAP Method CHECK_SINGLETON within SAP class /SCMTMS/CL_BLOCK_MANAGER. There is also a number of example ABAP code snipts to help you use the functionality of this method.
This method is available within SAP systems depending on your version and release level, you can view further information by entering the class name /SCMTMS/CL_BLOCK_MANAGER into the relevant SAP transactions such as SE24 or SE80, and then selecting the method you are interested in.
Method Type - Instance
This is an Instance Method so needs to be instantiated first before you can access any of the methods. I.e. you need to create a local variable of TYPE ref to the class.The following technical details of method CHECK_SINGLETON can also be found below:
- Importing parameters
- Exporting parameters
- Changing parameters
- Returning parameters
- Exceptions
- Coding Examples
Parameters of Method CHECK_SINGLETON
.| Name | Type | Data Type | Description | Default Value |
| IV_BLOCK_CAT | Importing | TYPE /SCMTMS/BLOCK_CATEGORY | NodeID | |
| IV_PARENT_KEY | Importing | TYPE /BOBF/CONF_KEY | NodeID | |
| RV_BLOCK_EXISTS | Returning | TYPE BOOLEAN | Boolean Variable (X=true, -=false, space=unknown) |
Exceptions of Method CHECK_SINGLETON
This method does not have any exceptionsExample ABAP coding
DATA: lo_class TYPE REF TO /SCMTMS/CL_BLOCK_MANAGER.
DATA: lv_IV_BLOCK_CAT TYPE /SCMTMS/BLOCK_CATEGORY,
lv_IV_PARENT_KEY TYPE /BOBF/CONF_KEY,
lv_RV_BLOCK_EXISTS TYPE BOOLEAN,
lv_other TYPE c.
CALL METHOD lo_class=>CHECK_SINGLETON(
EXPORTING
IV_BLOCK_CAT = lv_IV_BLOCK_CAT
IV_PARENT_KEY = lv_IV_PARENT_KEY
RECEIVING
RV_BLOCK_EXISTS = lv_RV_BLOCK_EXISTS )
"Alternate coding for Method Call with returning parameter
lv_RV_BLOCK_EXISTS = lo_class=>CHECK_SINGLETON(
EXPORTING
IV_BLOCK_CAT = lv_IV_BLOCK_CAT
IV_PARENT_KEY = lv_IV_PARENT_KEY ).
Links to Related Class(s)
/SCMTMS/...Full list of available SAP object classes
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