SAP ABAP Class IF_WDK_UNDOABLE_STACK (Undoable Stack)
Meta Relationship - Used By
# Relationship type Used by Short Description Created on
1 Interface composition (i COMPRISING i_ref)  IF_WDK_EXECUTION_STACK Backend execution stack 20070322
2 Interface implementation (CLASS c. INTERFACES i_ref)  CL_WDK_BDC_STACK Navigation Stack of the Backend Controller 20070322
Properties
Class IF_WDK_UNDOABLE_STACK  
Short Description Undoable Stack    
Super Class    
Instantiability of a Class 2  Public 
Final    
General Data
Message Class    
Program status     
Category 0   
Package      
Created 20061212   SAP 
Last change 20070911   SAP 
Shared Memory-enabled    
Fixed point arithmetic    
Unicode checks active    
Forward declarations
# Type group / Object type Type Type Description
1 ABAP Type group use (TYPE-POOLS tp)  Type group use (TYPE-POOLS tp)
Interfaces
Class IF_WDK_UNDOABLE_STACK has no interface implemented.
Friends
Class IF_WDK_UNDOABLE_STACK has no friend class.
Attributes
# Attribute Level Visibility Read only Typing Associated Type Initial Value Description Created on
1 MR_REDO_ITERATOR Instance attribute Public Object reference (TYPE REF TO) IF_WDK_ACTION_ITERATOR Iterator for collection of undoable actions 20070322
2 MR_REDO_STACK Instance attribute Public Object reference (TYPE REF TO) IF_WDK_ACTION_STACK Stack of undoable actions 20070322
3 MR_UNDO_ITERATOR Instance attribute Public Object reference (TYPE REF TO) IF_WDK_ACTION_ITERATOR Iterator for collection of undoable actions 20070322
4 MR_UNDO_STACK Instance attribute Public Object reference (TYPE REF TO) IF_WDK_ACTION_STACK Stack of undoable actions 20070322
Methods
# Method Level Visibility Method type Description Created on
1 CAN_REDO Instance method Public Method Can redo 20070322
2 CAN_UNDO Instance method Public Method Can undo 20070322
3 CLEAR_REDO Instance method Public Method Clear redo 20070322
4 CLEAR_UNDO Instance method Public Method Clear undo 20070322
5 GET_STACK Instance method Public Method Get undo / redo stacks 20070322
6 REDO Instance method Public Method redo 20070322
7 UNDO Instance method Public Method undo 20070322
Events
Class IF_WDK_UNDOABLE_STACK has no event.
Types
# Type Visibility Typing Associated Type Description Created on Type Source
1 TS_STACK_ENTRY Public See coding 20070322 BEGIN OF ts_stack_entry, source_state TYPE wdk_fpstate, action TYPE wdk_action, target_state TYPE wdk_fpstate, END OF ts_stack_entry
2 TT_STACK Public See coding 20070322 TT_STACK type STANDARD TABLE OF ts_stack_entry with default key
Method Signatures

Method CAN_REDO Signature

# Type Parameter Pass Value Optional Typing Method Associated Type Default value Description Created on
1 Returning RESULT Value transfer Type reference (TYPE) ABAP_BOOL 20070322

Method CAN_REDO on class IF_WDK_UNDOABLE_STACK has no exception.

Method CAN_UNDO Signature

# Type Parameter Pass Value Optional Typing Method Associated Type Default value Description Created on
1 Returning RESULT Value transfer Type reference (TYPE) ABAP_BOOL 20070322

Method CAN_UNDO on class IF_WDK_UNDOABLE_STACK has no exception.

Method CLEAR_REDO Signature

Method CLEAR_REDO on class IF_WDK_UNDOABLE_STACK has no parameter.
Method CLEAR_REDO on class IF_WDK_UNDOABLE_STACK has no exception.

Method CLEAR_UNDO Signature

Method CLEAR_UNDO on class IF_WDK_UNDOABLE_STACK has no parameter.
Method CLEAR_UNDO on class IF_WDK_UNDOABLE_STACK has no exception.

Method GET_STACK Signature

# Type Parameter Pass Value Optional Typing Method Associated Type Default value Description Created on
1 Exporting ET_REDO_STACK Call by reference Type reference (TYPE) TT_STACK 20070322
2 Exporting ET_UNDO_STACK Call by reference Type reference (TYPE) TT_STACK 20070322

Method GET_STACK on class IF_WDK_UNDOABLE_STACK has no exception.

Method REDO Signature

# Type Parameter Pass Value Optional Typing Method Associated Type Default value Description Created on
1 Importing IV_ACTIONS Call by reference Type reference (TYPE) I 1 Number of actions 20070322
# Exception Resumable Description Created on
1 CX_WDK_CONTROLLER Error in controller 20070322

Method UNDO Signature

# Type Parameter Pass Value Optional Typing Method Associated Type Default value Description Created on
1 Importing IV_ACTIONS Call by reference Type reference (TYPE) I 1 Number of actions 20070322
# Exception Resumable Description Created on
1 CX_WDK_CONTROLLER Error in controller 20070322
History
Last changed by/on SAP  20070911 
SAP Release Created in