SAP ABAP Class CL_ESH_CO_BACKEND_SYSTEM (Query Backend System via RFC)

Hierarchy

☛ SAP_BASIS (Software Component) SAP Basis Component
   ⤷ BC-EIM-ESH (Application Component) NetWeaver Enterprise Search
     ⤷ S_ESH_ENG_COMMON (Package) Common

Properties

Class	CL_ESH_CO_BACKEND_SYSTEM
Short Description	Query Backend System via RFC
Super Class
Instantiability of a Class	1	Protected
Final	☑

General Data

Message Class
Program status
Category	0
Package	S_ESH_ENG_COMMON	Common
Created	20070426	SAP
Last change	20110908	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 CL_ESH_CO_BACKEND_SYSTEM has no interface implemented.

Friends

Class CL_ESH_CO_BACKEND_SYSTEM has no friend class.

Attributes

#	Attribute	Level	Visibility	Read only	Typing	Associated Type	Initial Value	Description	Created on
1	MT_AVERS	Instance attribute	Private	☐	Type reference (TYPE)	ESH_T_CO_AVERS		Add-on versions	20070502
2	MT_CVERS	Instance attribute	Private	☐	Type reference (TYPE)	ESH_T_CO_CVERS		Software component versions	20070502
3	MV_HAS_COMMON_RUNTIME	Instance attribute	Private	☐	Type reference (TYPE)	ABAP_BOOL	ABAP_UNDEFINED	Has common runtime	20081117
4	MV_RFC_DESTINATION	Instance attribute	Public	☑	Type reference (TYPE)	RFCDEST		Logical destination (specified in function call)	20070426
5	SC_AND	Constant	Public	☐	Type reference (TYPE)	CHAR4	'AND'	Not more closely-defined area, possibly used for patchlevels	20070502
6	SC_DB_AVERS	Constant	Private	☐	Type reference (TYPE)	TABNAME	'AVERS'	Table name	20070502
7	SC_DB_CVERS	Constant	Private	☐	Type reference (TYPE)	TABNAME	'CVERS'	Table name	20070502
8	SC_DB_TADIR	Constant	Private	☐	Type reference (TYPE)	TABNAME	'TADIR'	Table name	20070502
9	SC_DB_TADIR_OBJECT	Constant	Private	☐	Type reference (TYPE)	FIELDNAME	'OBJECT'	Field name	20070502
10	SC_DB_TADIR_OBJECT_CLAS	Constant	Private	☐	Type reference (TYPE)	TADIR-OBJECT	'CLAS'	Object type	20070502
11	SC_DB_TADIR_OBJECT_DTEL	Constant	Private	☐	Type reference (TYPE)	TADIR-OBJECT	'DTEL'	Object type	20070502
12	SC_DB_TADIR_OBJECT_FUGR	Constant	Private	☐	Type reference (TYPE)	TADIR-OBJECT	'FUGR'	Object type	20070502
13	SC_DB_TADIR_OBJECT_TABL	Constant	Private	☐	Type reference (TYPE)	TADIR-OBJECT	'TABL'	Object type	20070502
14	SC_DB_TADIR_OBJ_NAME	Constant	Private	☐	Type reference (TYPE)	FIELDNAME	'OBJ_NAME'	Field name	20070502
15	SC_DB_TADIR_PGMID	Constant	Private	☐	Type reference (TYPE)	FIELDNAME	'PGMID'	Field name	20070502
16	SC_DB_TADIR_PGMID_R3TR	Constant	Private	☐	Type reference (TYPE)	TADIR-PGMID	'R3TR'	Program ID in requests and tasks	20070502
17	SC_DB_TDEVC	Constant	Private	☐	Type reference (TYPE)	TABNAME	'TDEVC'	Table name	20070502
18	SC_DB_TDEVC_DEVCLASS	Constant	Private	☐	Type reference (TYPE)	FIELDNAME	'DEVCLASS'	Field name	20070502
19	SC_EQUAL	Constant	Public	☐	Type reference (TYPE)	CHAR4	'='	Not more closely-defined area, possibly used for patchlevels	20070502
20	SC_QUOTATION	Constant	Public	☐	Type reference (TYPE)	CHAR4	''''	Not more closely-defined area, possibly used for patchlevels	20070502
21	ST_INSTANCES	Static Attribute	Private	☐	Type reference (TYPE)	LTT_INSTANCE			20070426

Methods

#	Method	Level	Visibility	Method type	Description	Created on
1	CHECK_AUTHORIZATION	Instance method	Public	Method	Check authorization	20070508
2	CHECK_RFC_DESTINATION	Static method	Protected	Method	Check if RFC destination is available	20070426
3	CONSTRUCTOR	Instance method	Public	Constructor	Constructor	20070426
4	GET_DB_TABLE_ENTRIES	Instance method	Public	Method	Get content of a specific database table	20070502
5	GET_DB_TABLE_ENTRIES_COUNT	Instance method	Public	Method	Count the entries of a specific database table	20070426
6	GET_DB_TABLE_FIELDS	Instance method	Public	Method	Get content of a specific database table	20070502
7	GET_INSTANCE	Static method	Public	Method	Get an instance of the class	20070426
8	GET_RELEASES	Instance method	Public	Method	Get all software components	20070502
9	HAS_ADDON_RELEASE	Instance method	Public	Method	A specific software component release exists	20070503
10	HAS_CLASS	Instance method	Public	Method	A specific class exists	20070426
11	HAS_COMMON_RUNTIME	Instance method	Public	Method	Has Enterprise Search common runtime	20081117
12	HAS_COMPONENT_RELEASE	Instance method	Public	Method	A specific software component release exists	20070503
13	HAS_DATA_ELEMENT	Instance method	Public	Method	A specific data element exists	20070426
14	HAS_DB_TABLE	Instance method	Public	Method	A specific database table exists	20070426
15	HAS_DB_TABLE_CONTENT	Instance method	Public	Method	A specific database table has content	20070426
16	HAS_DB_TABLE_ENTRY	Instance method	Public	Method	A specific database table has a specific entry	20070426
17	HAS_DB_TABLE_FIELD	Instance method	Public	Method	A specific database table exists	20070502
18	HAS_FUNCTION	Instance method	Public	Method	A specific function group exists	20101004
19	HAS_FUNCTION_GROUP	Instance method	Public	Method	A specific function group exists	20070426
20	HAS_PACKAGE	Instance method	Public	Method	A specific package exists	20070426
21	HAS_REPOSITORY_OBJECT	Instance method	Public	Method	A specific repository object (TADIR entry) exists	20070426
22	PING	Instance method	Public	Method	Ping	20070426

Events

Class CL_ESH_CO_BACKEND_SYSTEM has no event.

Types

Class CL_ESH_CO_BACKEND_SYSTEM has no local type.

Method Signatures

Method CHECK_AUTHORIZATION Signature

Method CHECK_AUTHORIZATION on class CL_ESH_CO_BACKEND_SYSTEM has no parameter.

#	Exception	Resumable	Description	Created on
1	CX_ESH_CO_NOT_AUTHORIZED	☐	Not authorized	20070508

Method CHECK_RFC_DESTINATION Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	IV_RFC_DESTINATION	Call by reference	☐	Type reference (TYPE)	RFCDEST		Logical Destination (Specified in Function Call)	20070426

#	Exception	Resumable	Description	Created on
1	CX_ESH_CO_CONNECTION_ERROR	☐	ESH Connection Exception	20070426

Method CONSTRUCTOR Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	IV_RFC_DESTINATION	Call by reference	☐	Type reference (TYPE)	RFCDEST			20070426

#	Exception	Resumable	Description	Created on
1	CX_ESH_CO_CONNECTION_ERROR	☐	ESH Connection Exception	20070426
2	CX_ESH_CO_ENGINE	☐	Common ESH Engine Exception	20070426

Method GET_DB_TABLE_ENTRIES Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Changing	CT_FIELDS	Call by reference	☑	Type reference (TYPE)	ESH_T_CO_RFCRT_FIELDS		RFC Table Read: Description of Fields to Retrieve	20070502
2	Changing	CT_OPTIONS	Call by reference	☑	Type reference (TYPE)	ESH_T_CO_RFCRT_OPTIONS		RFC Table Read: Select Options / WHERE Clause	20070502
3	Exporting	ET_DATA	Call by reference	☐	Type reference (TYPE)	ESH_T_CO_RFCRT_DATA		Table with a 512 byte field	20070502
4	Importing	IV_FROM	Value transfer	☐	Type reference (TYPE)	INT4	-1	Natural number	20070502
5	Importing	IV_TABNAME	Call by reference	☐	Type reference (TYPE)	TABNAME		Table Name	20070502
6	Importing	IV_TO	Value transfer	☐	Type reference (TYPE)	INT4	-1	Natural number	20070502

Method GET_DB_TABLE_ENTRIES on class CL_ESH_CO_BACKEND_SYSTEM has no exception.

Method GET_DB_TABLE_ENTRIES_COUNT Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	IV_TABNAME	Call by reference	☐	Type reference (TYPE)	TABNAME		Table Name	20070502
2	Returning	RV_COUNT	Value transfer	☐	Type reference (TYPE)	INT4		Natural number	20070502

Method GET_DB_TABLE_ENTRIES_COUNT on class CL_ESH_CO_BACKEND_SYSTEM has no exception.

Method GET_DB_TABLE_FIELDS Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Exporting	ET_FIELDS	Call by reference	☐	Type reference (TYPE)	ESH_T_CO_RFCRT_FIELDS		RFC Table Read: Description of Fields to Retrieve	20070502
2	Importing	IV_TABNAME	Call by reference	☐	Type reference (TYPE)	TABNAME		Table Name	20070502

Method GET_DB_TABLE_FIELDS on class CL_ESH_CO_BACKEND_SYSTEM has no exception.

Method GET_INSTANCE Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	IV_RFC_DESTINATION	Call by reference	☐	Type reference (TYPE)	RFCDEST		Logical Destination (Specified in Function Call)	20070426
2	Returning	RR_INSTANCE	Value transfer	☐	Object reference (TYPE REF TO)	CL_ESH_CO_BACKEND_SYSTEM		Query backend system via RFC	20070426

#	Exception	Resumable	Description	Created on
1	CX_ESH_CO_CONNECTION_ERROR	☐	ESH Connection Exception	20070426
2	CX_ESH_CO_ENGINE	☐	Common ESH Engine Exception	20070426

Method GET_RELEASES Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Exporting	ET_AVERS	Call by reference	☐	Type reference (TYPE)	ESH_T_CO_AVERS		Addon versions	20070502
2	Exporting	ET_CVERS	Call by reference	☐	Type reference (TYPE)	ESH_T_CO_CVERS		Software component versions	20070502

Method GET_RELEASES on class CL_ESH_CO_BACKEND_SYSTEM has no exception.

Method HAS_ADDON_RELEASE Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	IV_ADDONID	Call by reference	☐	Type reference (TYPE)	AVERS-ADDONID		Name of an Add-On Product	20070503
2	Importing	IV_ADDONRL	Call by reference	☑	Type reference (TYPE)	AVERS-ADDONRL		Version of an "Add-On" Product	20070503
3	Importing	IV_R3RELEASE	Call by reference	☑	Type reference (TYPE)	AVERS-R3RELEASE		Name of an add-on delivery unit	20070503
4	Returning	RV_TRUE	Value transfer	☐	Type reference (TYPE)	ABAP_BOOL			20070503

Method HAS_ADDON_RELEASE on class CL_ESH_CO_BACKEND_SYSTEM has no exception.

Method HAS_CLASS Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	IV_NAME	Call by reference	☐	Type reference (TYPE)	TADIR-OBJ_NAME		Object Name in Object Directory	20070502
2	Returning	RV_TRUE	Value transfer	☐	Type reference (TYPE)	ABAP_BOOL			20070426

Method HAS_CLASS on class CL_ESH_CO_BACKEND_SYSTEM has no exception.

Method HAS_COMMON_RUNTIME Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Returning	RV_TRUE	Value transfer	☐	Type reference (TYPE)	ABAP_BOOL		Has Common Runtime	20081117

Method HAS_COMMON_RUNTIME on class CL_ESH_CO_BACKEND_SYSTEM has no exception.

Method HAS_COMPONENT_RELEASE Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	IV_COMPONENT	Call by reference	☐	Type reference (TYPE)	CVERS-COMPONENT		Software Component	20070503
2	Importing	IV_EXTRELEASE	Call by reference	☑	Type reference (TYPE)	CVERS-EXTRELEASE		Support Package Level of a Software Component	20070503
3	Importing	IV_RELEASE	Call by reference	☑	Type reference (TYPE)	CVERS-RELEASE		SAP Release	20070503
4	Returning	RV_TRUE	Value transfer	☐	Type reference (TYPE)	ABAP_BOOL			20070503

Method HAS_COMPONENT_RELEASE on class CL_ESH_CO_BACKEND_SYSTEM has no exception.

Method HAS_DATA_ELEMENT Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	IV_NAME	Call by reference	☐	Type reference (TYPE)	TADIR-OBJ_NAME		Object Name in Object Directory	20070502
2	Returning	RV_TRUE	Value transfer	☐	Type reference (TYPE)	ABAP_BOOL			20070426

Method HAS_DATA_ELEMENT on class CL_ESH_CO_BACKEND_SYSTEM has no exception.

Method HAS_DB_TABLE Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	IV_TABNAME	Call by reference	☐	Type reference (TYPE)	TADIR-OBJ_NAME		Object Name in Object Directory	20070502
2	Returning	RV_TRUE	Value transfer	☐	Type reference (TYPE)	ABAP_BOOL			20070426

Method HAS_DB_TABLE on class CL_ESH_CO_BACKEND_SYSTEM has no exception.

Method HAS_DB_TABLE_CONTENT Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	IV_TABNAME	Call by reference	☐	Type reference (TYPE)	TABNAME		Table Name	20070502
2	Returning	RV_TRUE	Value transfer	☐	Type reference (TYPE)	ABAP_BOOL			20070426

Method HAS_DB_TABLE_CONTENT on class CL_ESH_CO_BACKEND_SYSTEM has no exception.

Method HAS_DB_TABLE_ENTRY Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	IT_OPTIONS	Call by reference	☐	Type reference (TYPE)	ESH_T_CO_RFCRT_OPTIONS		RFC Table Read: Select Options / WHERE Clause	20070502
2	Importing	IV_TABNAME	Call by reference	☐	Type reference (TYPE)	TABNAME		Table Name	20070502
3	Returning	RV_TRUE	Value transfer	☐	Type reference (TYPE)	ABAP_BOOL			20070426

Method HAS_DB_TABLE_ENTRY on class CL_ESH_CO_BACKEND_SYSTEM has no exception.

Method HAS_DB_TABLE_FIELD Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	IV_FIELDNAME	Call by reference	☐	Type reference (TYPE)	FIELDNAME		Field Name	20070502
2	Importing	IV_TABNAME	Call by reference	☐	Type reference (TYPE)	TABNAME			20070502
3	Returning	RV_TRUE	Value transfer	☐	Type reference (TYPE)	ABAP_BOOL			20070502

Method HAS_DB_TABLE_FIELD on class CL_ESH_CO_BACKEND_SYSTEM has no exception.

Method HAS_FUNCTION Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	IV_NAME	Call by reference	☐	Type reference (TYPE)	TADIR-OBJ_NAME		Object Name in Object Directory	20101004
2	Returning	RV_TRUE	Value transfer	☐	Type reference (TYPE)	ABAP_BOOL			20101004

Method HAS_FUNCTION on class CL_ESH_CO_BACKEND_SYSTEM has no exception.

Method HAS_FUNCTION_GROUP Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	IV_NAME	Call by reference	☐	Type reference (TYPE)	TADIR-OBJ_NAME		Object Name in Object Directory	20070502
2	Returning	RV_TRUE	Value transfer	☐	Type reference (TYPE)	ABAP_BOOL			20070426

Method HAS_FUNCTION_GROUP on class CL_ESH_CO_BACKEND_SYSTEM has no exception.

Method HAS_PACKAGE Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	IV_PACKAGE	Call by reference	☐	Type reference (TYPE)	TDEVC-DEVCLASS		Package	20070502
2	Returning	RV_TRUE	Value transfer	☐	Type reference (TYPE)	ABAP_BOOL			20070426

Method HAS_PACKAGE on class CL_ESH_CO_BACKEND_SYSTEM has no exception.

Method HAS_REPOSITORY_OBJECT Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	IV_OBJECT	Call by reference	☐	Type reference (TYPE)	TROBJTYPE		Object Type	20070502
2	Importing	IV_OBJ_NAME	Call by reference	☐	Type reference (TYPE)	SOBJ_NAME		Object Name in Object Directory	20070502
3	Importing	IV_PGMID	Call by reference	☐	Type reference (TYPE)	PGMID		Program ID in Requests and Tasks	20070502
4	Returning	RV_TRUE	Value transfer	☐	Type reference (TYPE)	ABAP_BOOL			20070426

Method HAS_REPOSITORY_OBJECT on class CL_ESH_CO_BACKEND_SYSTEM has no exception.

Method PING Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Returning	RV_OK	Value transfer	☐	Type reference (TYPE)	ABAP_BOOL			20070426

Method PING on class CL_ESH_CO_BACKEND_SYSTEM has no exception.

History

Last changed by/on	SAP	20110908
SAP Release Created in	100