SAP CRM Programming : BOL

The below guide includes most of the details required to code in CRM:

The steps are as given below . 

1. Get the BOL Core instance 
2. Load the Component  
3. Create the Query Instance by passing search Object  
4. Pass the required attributes  
5. get the data and process the data.

given below code explains the program technically

Data Declaration :-

DATA: LR_CORE   TYPE REF TO CL_CRM_BOL_CORE,       LR_QUERY  TYPE REF TO CL_CRM_BOL_QUERY_SERVICE,       LR_RESULT TYPE REF TO IF_BOL_ENTITY_COL,       LR_ENTITY TYPE REF TO CL_CRM_BOL_ENTITY,       LV_STRING TYPE STRING,       lt_tab    type table of ty_tab with header line. Types : Begin of ty_tab ,           value1 type string,           value2 type string,           value3 type string,           value4 type string,         End of ty_tab.

1) Get the BOL Core instance

lr_core = cl_Crm_bol_core=>get_instance( ).

2 ) Load the component set

LR_CORE->LOAD_COMPONENT_SET( 'BP_APPL' ).

3 )Create the query instance by passing the search object name

lr_query = CL_CRM_BOL_QUERY_SERVICE=>get_instance( iv_query_name = 'BuilContactPersonSearch' ).

4) Pass the required attributes 

Data IT_PARMS TYPE CRMT_NAME_VALUE_PAIR_TAB. Data WA_PARMS TYPE CRMT_NAME_VALUE_PAIR.

you can observe this data declaration in any standard search and result objects

WA_PARMS-NAME = 'BP_NUMBER'. WA_PARMS-VALUE = '81'. Append WA_PARMS to IT_PARMS. * Add the selection parameters CALL METHOD LR_QUERY->SET_QUERY_PARAMETERS   EXPORTING     IT_PARAMETERS = IT_PARMS. * Get the result list LR_RESULT = LR_QUERY->GET_QUERY_RESULT( ). * here result contains the so many entity to process each and every entity we loop this result entity * The method get_first is used to fetch first entity of the result list. * Get the first object(entity) in the result list LR_ENTITY ?= LR_RESULT->GET_FIRST( ). * if it contains data then only it process it * If the entity is bound WHILE LR_ENTITY IS BOUND. * Process the parent entity for the required data * here returning parameter type must be string   lt_tab-value1 = LR_ENTITY->GET_PROPERTY_AS_STRING( 'BP_NUMBER' ).   lt_tab-value2 = LR_ENTITY->GET_PROPERTY_AS_STRING( 'DATE_FROM' ).   lt_tab-value3 = LR_ENTITY->GET_PROPERTY_AS_STRING( 'DATE_TO' ).   lt_tab-value4 = LR_ENTITY->GET_PROPERTY_AS_STRING( 'FUNCTION' ).   Append lt_tab. * Go to the next entity * The method get_next(0 is used to fetch next entity , if it is bound then it process the next steep , other wise condition fails   LR_ENTITY ?= LR_RESULT->GET_NEXT( ). ENDWHILE. * output loop at lt_tab .   write :/ lt_tab-value1,lt_tab-value2,lt_tab-value3,lt_tab-value4. endloop.

To check whether data is correct or not use the GENIL_BOL_BROWSER

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NOTE :  REFER http://sapcrmtutorial.blogspot.com/2012/01/concepts-of-bol-programming-getcurrent.html 

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The BOL API consists of various interfaces and classes that you can use to access business

data:

􀁸 CL_CRM_BOL_QUERY_SERVICE

You use this class to select business objects.

􀁸 CL_CRM_BOL_ENTITY

You use this class for implementing business objects.

􀁸 IF_BOL_TRANSACTION_CONTEXT

You use this interface to control transaction behavior.

􀁸 IF_BOL_BO_COL

You use this interface to provide collections to hold business objects.

Access Properties and Related Entities

The following code shows how to access entities of the query result and how to read their

properties. Note that the methods are the same for all types of business objects.

Syntax

* Use iterator to access entities in query result

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DATA:lv_iterator TYPE REF TO if_bol_entity_col_iterator.

1 Business Object Layer

14 <July 2008>

lv_iterator = lv_result->get_iterator.

DATA: lv_entity TYPE REF TO cl_crm_bol_entity.

lv_entity = lv_iterator->get_first( ). “Entity is business partner

here

WHILE lv_entity IS BOUND.

* Access attributes of business objects selected

DATA: lv_firstname TYPE string,

lv_lastname TYPE string.

lv_firstname = lv_entity->get_property_as_string( ‘FirstName’ ).

lv_lastname = lv_entity->get_property_as_string( ‘LastName’ ).

* Get a 1:1 related entity

DATA: lv_default_address TYPE REF TO cl_crm_bol_entity.

lv_default_address = lv_entity->get_related_entity(

‘DefaultAddress’ ).

* Get a list of 1:N related entities

DATA: lv_addresses TYPE REF TO if_bol_entity_col.

lv_addresses = lv_entity->get_related_entities( ‘Addresses’ ).

*

lv_entity = lv_iterator->get_next( ).

ENDWHILE.

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