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Technical Release Information

Use

Changes in Release SAP Netweaver 2004s:

  • Interchangeability of the Controller
In Release SAP Netweaver 2004s the controller is interchangeable. This means that in expression processing you can implement a behavior that deviates from the standard. The controller that is used is a feature of the event. You can define it in event maintenance. Each new controller class must implement interface IF_CONTROLLER_BRF.
If no controller class is specified, the BRF automatically uses the standard controller class CL_CONROLLER_BRF.
  • Interchangeability of the Trace
In Release SAP Netweaver 2004s the trace is interchangeable. This means that you can implement a trace that deviates from the standard. The trace used is a feature of the application class. You can define it in maintenance of the application class. Each new trace class must implement interface IF_TRACE_BRF.
If no trace class is specified, the BRF automatically uses the standard trace class CL_TRACE_BRF.
  • Interchangeability of the Navigation Tree
In Release SAP Netweaver 2004s the navigation tree is interchangeable. The navigation tree used is a feature of the application class. You can define it in maintenance of the application class. Each new tree class must implement interface IF_WB_BROWSERTREE_BRF.
If no navigation tree is specified, the BRF automatically uses the standard tree.
  • Reuse of Expressions at Runtime
In Release SAP Netweaver 2004s all calculated expressions are buffered in a pool and can be reused during the runtime. This multiple use means that they do not have to be calculated again. The type of buffering is a feature of the event. You can define it in event maintenance.
Three types of buffering are possible:
  • Expression buffering is active

Within a BRF event, expressions that have already been calculated are reused and not calculated again.
  • Expression buffering per rule line is active

The expressions are only reused within a rule line.
  • Expression buffering is inactive

Expressions are not saved, but calculated again each time they are used.
By default, expression buffering is active and can be restricted or deactivated as required in event maintenance.

Effects on Existing Data

Effects on Data Transfer

In all maintenance classes of the BRF, control-relevant coding has been moved to special methods. Only the class of the SAP formula editor CL_FORMULA_MNT_BRF remains unchanged.

The consequence for data transfer is as follows:

  • The control coding that was previously in the methods PBO1 and PBO2 is now in PBO_CONTROLS.
  • The control coding of methods PAI1 and PAI2 is now in PAI_CONTROLS.
  • All derived classes must redefine the methods PBO_CONTROLS and PAI_CONTROLS and call the method of the superior class.

Effects on System Administration

Effects on Customizing

Further Information






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This documentation is copyright by SAP AG.

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