SAP ABAP Class CL_FDT_DECISION_TABLE_COMPARE (FDT: Decision Table Comparison Helper)

Hierarchy

☛ SAP_BASIS (Software Component) SAP Basis Component
   ⤷ BC-SRV-BR (Application Component) BRFplus - ABAP-Based Business Rules
     ⤷ SFDT_EXPRESSIONS (Package) BRFplus: Expressions

Properties

Class	CL_FDT_DECISION_TABLE_COMPARE
Short Description	FDT: Decision Table Comparison Helper
Super Class
Instantiability of a Class	0	Private
Final	☑

General Data

Message Class
Program status
Category	0
Package	SFDT_EXPRESSIONS	BRFplus: Expressions
Created	20121107	SAP
Last change	20130531	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)
2	CL_FDT_DECISION_TABLE	Forward declaration class (CLASS c DEFINITION DEFERRED)	Forward declaration class (CLASS c DEFINITION DEFERRED)
3	CL_FDT_MAINTENANCE	Forward declaration class (CLASS c DEFINITION DEFERRED)	Forward declaration class (CLASS c DEFINITION DEFERRED)
4	IF_FDT_TYPES	Forward declaration interface (INTERFACE i DEFINITION DEF...	Forward declaration interface (INTERFACE i DEFINITION DEF...

Interfaces

Class CL_FDT_DECISION_TABLE_COMPARE has no interface implemented.

Friends

Class CL_FDT_DECISION_TABLE_COMPARE has no friend class.

Attributes

#	Attribute	Level	Visibility	Read only	Typing	Associated Type	Initial Value	Description	Created on
1	GC_OP_ABORT	Constant	Public	☐	Type reference (TYPE)	DIFF_OPERATION	'a'		20121107
2	GC_OP_CHANGE	Constant	Public	☐	Type reference (TYPE)	DIFF_OPERATION	'c'	change operation	20121107
3	GC_OP_DELETE	Constant	Public	☐	Type reference (TYPE)	DIFF_OPERATION	'-'	delete operation	20121107
4	GC_OP_INSERT	Constant	Public	☐	Type reference (TYPE)	DIFF_OPERATION	'+'	insert operation	20121107
5	GC_OP_MOVE	Constant	Public	☐	Type reference (TYPE)	DIFF_OPERATION	'm'	move operation	20121107
6	GC_OP_UNKNOWN	Constant	Public	☐	Type reference (TYPE)	DIFF_OPERATION	'?'	unknown operation	20121107
7	GC_TG_COLUMN	Constant	Public	☐	Type reference (TYPE)	DIFF_TARGET	'C'	column target	20121107
8	GC_TG_ROW	Constant	Public	☐	Type reference (TYPE)	DIFF_TARGET	'R'	row target	20121107
9	GC_TG_TABLE	Constant	Public	☐	Type reference (TYPE)	DIFF_TARGET	'T'		20121107
10	MO_DECISION_TABLE	Instance attribute	Private	☐	Object reference (TYPE REF TO)	CL_FDT_DECISION_TABLE		FDT Decision Table	20121107
11	MT_DIFF	Instance attribute	Private	☐	Type reference (TYPE)	T_DIFF		Table that stores the differences	20121107
12	MT_TEXT_1	Instance attribute	Private	☐	Type reference (TYPE)	CL_FDT_DECISION_TABLE=>TS_TABLE_DATA_TEXT			20121107
13	MT_TEXT_2	Instance attribute	Private	☐	Type reference (TYPE)	CL_FDT_DECISION_TABLE=>TS_TABLE_DATA_TEXT			20121107
14	MV_COUNTER	Instance attribute	Private	☐	Type reference (TYPE)	I	0	count changes	20121107
15	MV_LIMIT	Instance attribute	Private	☐	Type reference (TYPE)	I		abort processing after n changes	20121107
16	MV_TIMESTAMP_1	Instance attribute	Private	☐	Type reference (TYPE)	IF_FDT_TYPES=>TIMESTAMP		Timestamp 1	20121107
17	MV_TIMESTAMP_2	Instance attribute	Private	☐	Type reference (TYPE)	IF_FDT_TYPES=>TIMESTAMP		Timestamp 2	20121107

Methods

#	Method	Level	Visibility	Method type	Description	Created on
1	COMPARE	Instance method	Private	Method	compare two version of a decision table	20121107
2	COMPARE_COLUMNS	Instance method	Private	Method	compare the columns	20121107
3	COMPARE_ROWS	Instance method	Private	Method	compare 2 rows	20121107
4	CONSTRUCTOR	Instance method	Public	Constructor	Constructor	20121107
5	DIFF_TO_CHANGE_INFO	Instance method	Private	Method	Convert TS_DIFF to Table of string	20121107
6	FILTER_COL_MOVES	Instance method	Private	Method	find column inserts and deletions that are equal and merge	20121107
7	FILTER_ROW_MOVES	Instance method	Private	Method	find row inserts and deletions that are equal and merge them	20121107
8	FIND_COMMON_SUBROWS	Instance method	Private	Method	find the first common subrow set	20121107
9	GENERATE_DIFF_OPS	Instance method	Private	Method	Helper method to generate row differences	20121107
10	GET_DIFFERENCE	Static method	Public	Method	Get differences of two tables	20121107
11	GET_ROW_AS_TEXT	Instance method	Private	Method	Concatenates a row of a table to a string	20121112
12	IS_COMPARE_EQUALS	Instance method	Private	Method	decide if compared rows are equal	20121107
13	LIMIT_COUNTER	Instance method	Private	Method	increments counter, stops when limit is reached	20121107
14	SPLIT_SUBROWS	Instance method	Private	Method	split between subrow sets. deivide unitl a result is found	20121107

Events

Class CL_FDT_DECISION_TABLE_COMPARE has no event.

Types

#	Type	Visibility	Typing	Associated Type	Description	Created on	Type Source
1	DIFF_OPERATION	Public	See coding		Type for a operation in s_diff	20121107	diff_operation TYPE c LENGTH 1
2	DIFF_TARGET	Public	See coding		Type for a target in s_diff	20121107	diff_target TYPE c LENGTH 1
3	S_COL_COMPARE	Private	See coding		Structure to connect equal columns in different versions	20121107	BEGIN OF s_col_compare, object_id TYPE if_fdt_types=>id, col_no_1 TYPE int4, col_no_2 TYPE int4, END OF s_col_compare
4	S_DIFF	Public	See coding		Structure to decribe a difference	20121107	BEGIN OF s_diff, target TYPE diff_target, table_1_row TYPE int4, table_1_col TYPE int4, table_2_row TYPE int4, table_2_col TYPE int4, operation TYPE diff_operation, table_1_text TYPE string, table_2_text TYPE string, col_id_1 type if_fdt_types=>id, col_id_2 type if_fdt_types=>id, END OF s_diff
5	TS_COL_COMPARE	Private	See coding		Table of equal columns	20121107	ts_col_compare TYPE SORTED TABLE OF s_col_compare WITH NON-UNIQUE KEY col_no_1 col_no_2
6	T_DIFF	Public	See coding		Table of differences	20121107	t_diff TYPE STANDARD TABLE OF s_diff WITH NON-UNIQUE KEY target operation table_1_row table_1_col table_2_row table_2_col
7	T_TEXT	Public	See coding		Table of texts for readable output	20121107	t_text TYPE STANDARD TABLE OF string

Method Signatures

Method COMPARE Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Returning	RTS_DIFF	Value transfer	☐	Type reference (TYPE)	T_DIFF		Differences	20121107

Method COMPARE on class CL_FDT_DECISION_TABLE_COMPARE has no exception.

Method COMPARE_COLUMNS Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Changing	CV_LIMIT_REACHED	Call by reference	☐	Type reference (TYPE)	ABAP_BOOL		Table of differences	20121107
2	Exporting	ETS_COMP	Call by reference	☐	Type reference (TYPE)	TS_COL_COMPARE		X: Limit reached -> Stop	20121107
3	Exporting	ET_DIFF	Call by reference	☐	Type reference (TYPE)	T_DIFF		Table of equal columns	20121107

Method COMPARE_COLUMNS on class CL_FDT_DECISION_TABLE_COMPARE has no exception.

Method COMPARE_ROWS Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Exporting	ET_DIFF	Call by reference	☐	Type reference (TYPE)	T_DIFF		Table of differences	20121107
2	Exporting	EV_MATCHING	Call by reference	☐	Type reference (TYPE)	I		Number of matching rows	20121107
3	Exporting	EV_TOTAL	Call by reference	☐	Type reference (TYPE)	I		Number of comparable rows	20121107
4	Importing	ITS_COMP	Call by reference	☑	Type reference (TYPE)	TS_COL_COMPARE		Table of equal columns	20121107
5	Importing	IV_ROW_NO_1	Call by reference	☑	Type reference (TYPE)	I		Row no. from table version 1	20121107
6	Importing	IV_ROW_NO_2	Call by reference	☑	Type reference (TYPE)	I		Row no. from table version 2	20121107

Method COMPARE_ROWS on class CL_FDT_DECISION_TABLE_COMPARE has no exception.

Method CONSTRUCTOR Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	IV_DECISION_TABLE	Call by reference	☐	Type reference (TYPE)	IF_FDT_TYPES=>ID			20121107
2	Importing	IV_LIMIT	Call by reference	☐	Type reference (TYPE)	I	50	Max number of entries	20121107
3	Importing	IV_TIMESTAMP_1	Call by reference	☑	Type reference (TYPE)	IF_FDT_TYPES=>TIMESTAMP			20121107
4	Importing	IV_TIMESTAMP_2	Call by reference	☑	Type reference (TYPE)	IF_FDT_TYPES=>TIMESTAMP			20121107

#	Exception	Resumable	Description	Created on
1	CX_FDT_INPUT	☐		20121107
2	CX_FDT_PROCESSING	☐		20121107

Method DIFF_TO_CHANGE_INFO Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Exporting	ET_CHANGE_INFO	Call by reference	☐	Type reference (TYPE)	CL_FDT_MAINTENANCE=>T_CHANGE_INFO		Change Info	20121107

Method DIFF_TO_CHANGE_INFO on class CL_FDT_DECISION_TABLE_COMPARE has no exception.

Method FILTER_COL_MOVES Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Exporting	ET_MOVE	Call by reference	☐	Type reference (TYPE)	T_DIFF		Reduced table of real movements	20121107
2	Importing	IT_DIFF	Call by reference	☐	Type reference (TYPE)	T_DIFF		Table of differences	20121107
3	Importing	IT_MOVE	Call by reference	☐	Type reference (TYPE)	T_DIFF		Table of potential movements	20121107

Method FILTER_COL_MOVES on class CL_FDT_DECISION_TABLE_COMPARE has no exception.

Method FILTER_ROW_MOVES Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	ITS_COMP	Call by reference	☐	Type reference (TYPE)	TS_COL_COMPARE		Table of equal columns	20121107

Method FILTER_ROW_MOVES on class CL_FDT_DECISION_TABLE_COMPARE has no exception.

Method FIND_COMMON_SUBROWS Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Changing	CV_LIMIT_REACHED	Call by reference	☐	Type reference (TYPE)	ABAP_BOOL		X: Limit reached -> Stop	20121107
2	Exporting	ET_DIFF	Call by reference	☐	Type reference (TYPE)	T_DIFF		Table of differences	20121107
3	Exporting	EV_LENGTH	Call by reference	☐	Type reference (TYPE)	I		Length of common subrow set	20121107
4	Exporting	EV_START_1	Call by reference	☐	Type reference (TYPE)	I		First row of common subrow set in table 1	20121107
5	Exporting	EV_START_2	Call by reference	☐	Type reference (TYPE)	I		First row of common subrow set in table 2	20121107
6	Importing	ITS_COMP	Call by reference	☐	Type reference (TYPE)	TS_COL_COMPARE		Table of equal columns	20121107
7	Importing	IV_LENGTH_1	Call by reference	☐	Type reference (TYPE)	I		Amount of rows in table 1 that are considered	20121107
8	Importing	IV_LENGTH_2	Call by reference	☐	Type reference (TYPE)	I		Amount of rows in table 2 that are considered	20121107
9	Importing	IV_START_1	Call by reference	☐	Type reference (TYPE)	I		First row to consider in table 1	20121107
10	Importing	IV_START_2	Call by reference	☐	Type reference (TYPE)	I		First row to consider in table 2	20121107

Method FIND_COMMON_SUBROWS on class CL_FDT_DECISION_TABLE_COMPARE has no exception.

Method GENERATE_DIFF_OPS Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Changing	CV_LIMIT_REACHED	Call by reference	☐	Type reference (TYPE)	ABAP_BOOL		X Limit reached	20121115
2	Exporting	ET_DIFF	Call by reference	☐	Type reference (TYPE)	T_DIFF		Table of differences	20121107
3	Importing	IV_DIFF_OP	Call by reference	☐	Type reference (TYPE)	DIFF_OPERATION		Operation	20121107
4	Importing	IV_LENGTH	Call by reference	☐	Type reference (TYPE)	I		Length of affected row set	20121107
5	Importing	IV_START	Call by reference	☐	Type reference (TYPE)	I		First affected row	20121107

Method GENERATE_DIFF_OPS on class CL_FDT_DECISION_TABLE_COMPARE has no exception.

Method GET_DIFFERENCE Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Exporting	ET_CHANGE_INFO	Call by reference	☐	Type reference (TYPE)	CL_FDT_MAINTENANCE=>T_CHANGE_INFO		Difference (Message)	20121107
2	Exporting	ET_DIFF	Call by reference	☐	Type reference (TYPE)	T_DIFF		Difference (Technical Format)	20121107
3	Importing	IV_DECISION_TABLE	Call by reference	☐	Type reference (TYPE)	IF_FDT_TYPES=>ID		Decision Table	20121107
4	Importing	IV_LIMIT	Call by reference	☐	Type reference (TYPE)	I	50	Max no of messages returned	20121107
5	Importing	IV_TIMESTAMP_1	Call by reference	☑	Type reference (TYPE)	IF_FDT_TYPES=>TIMESTAMP		Timestamp 1 (of decision table)	20121107
6	Importing	IV_TIMESTAMP_2	Call by reference	☑	Type reference (TYPE)	IF_FDT_TYPES=>TIMESTAMP		Timestamp 2 (of decision table)	20121107

#	Exception	Resumable	Description	Created on
1	CX_FDT_INPUT	☐		20121107

Method GET_ROW_AS_TEXT Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	IV_INTERRUPTED_ENDING	Call by reference	☐	Type reference (TYPE)	STRING	'...'	string added at the end if the max. length is reached.	20121112
2	Importing	IV_MAX_LENGTH	Call by reference	☐	Type reference (TYPE)	I	50	max. length of text	20121112
3	Importing	IV_PREFIX	Call by reference	☐	Type reference (TYPE)	STRING	`[ `	string added at the start	20121115
4	Importing	IV_ROW_NO	Call by reference	☐	Type reference (TYPE)	I		Row number	20121112
5	Importing	IV_SEPERATOR	Call by reference	☐	Type reference (TYPE)	STRING	` | `	field seperator	20121112
6	Importing	IV_SUFFIX	Call by reference	☐	Type reference (TYPE)	STRING	` ]`	string added at the end	20121115
7	Importing	IV_TABLE	Call by reference	☐	Type reference (TYPE)	I		1: Table 1, 2: Table 2	20121112
8	Returning	RV_TEXT	Value transfer	☐	Type reference (TYPE)	STRING		concatenated row fields	20121112

Method GET_ROW_AS_TEXT on class CL_FDT_DECISION_TABLE_COMPARE has no exception.

Method IS_COMPARE_EQUALS Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	IV_MATCHING	Call by reference	☐	Type reference (TYPE)	I			20121107
2	Importing	IV_TOTAL	Call by reference	☐	Type reference (TYPE)	I			20121107
3	Returning	RV_RESULT	Value transfer	☐	Type reference (TYPE)	ABAP_BOOL			20121107

Method IS_COMPARE_EQUALS on class CL_FDT_DECISION_TABLE_COMPARE has no exception.

Method LIMIT_COUNTER Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	IV_INC	Call by reference	☐	Type reference (TYPE)	I	1	amount	20121107
2	Returning	RV_LIMIT_REACHED	Value transfer	☐	Type reference (TYPE)	ABAP_BOOL		X: Limit reached -> Stop	20121107

Method LIMIT_COUNTER on class CL_FDT_DECISION_TABLE_COMPARE has no exception.

Method SPLIT_SUBROWS Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Changing	CV_LIMIT_REACHED	Call by reference	☐	Type reference (TYPE)	ABAP_BOOL		X: limit reached, stopped	20121107
2	Exporting	ET_DIFF	Call by reference	☐	Type reference (TYPE)	T_DIFF		Table of differences	20121107
3	Importing	ITS_COMP	Call by reference	☐	Type reference (TYPE)	TS_COL_COMPARE		Table of equal columns	20121107
4	Importing	IV_LENGTH_1	Call by reference	☐	Type reference (TYPE)	I		Length of changed area in version 1	20121107
5	Importing	IV_LENGTH_2	Call by reference	☐	Type reference (TYPE)	I		Length of changed area in version 2	20121107
6	Importing	IV_START_1	Call by reference	☐	Type reference (TYPE)	I		First row for split (from tab 1)	20121107
7	Importing	IV_START_2	Call by reference	☐	Type reference (TYPE)	I		Firt row for split (tab 2)	20121107

Method SPLIT_SUBROWS on class CL_FDT_DECISION_TABLE_COMPARE has no exception.

History

Last changed by/on	SAP	20130531
SAP Release Created in	740