SAP ABAP Class CL_MDG_MDF_META1 (Master Data: Shared Metadata)

Hierarchy

☛ MDG_FND (Software Component) MDG Foundation
   ⤷ CA-MDG-AF (Application Component) Application Framework
     ⤷ MDG_MDF1 (Package) Master Data: Buffers and Instances

Meta Relationship - Using

#	Relationship type	Using	Short Description	Created on
1	Inheritance (c INHERITING FROM c_ref)	CL_SHM_AREA	Shared Memory: General Area Handle	20090116

Properties

Class	CL_MDG_MDF_META1
Short Description	Master Data: Shared Metadata
Super Class	CL_SHM_AREA	Shared Memory: General Area Handle
Instantiability of a Class	0	Private
Final	☑

General Data

Message Class
Program status	S	System Program
Category	45	Area Class (Shared Objects)
Package	MDG_MDF1	Master Data: Buffers and Instances
Created	20090116	SAP
Last change	20130531	SAP
Shared Memory-enabled	☐
Fixed point arithmetic	☑
Unicode checks active	☑

Forward declarations

Class CL_MDG_MDF_META1 has no forward declaration.

Interfaces

Class CL_MDG_MDF_META1 has no interface implemented.

Friends

#	Friend	Modeled only	Created on	Description
1	CL_SHM_AREA	☐	20091103	Shared Memory: General Area Handle

Attributes

#	Attribute	Level	Visibility	Read only	Typing	Associated Type	Initial Value	Description	Created on
1	AREA_NAME	Constant	Public	☐	Type reference (TYPE)	SHM_AREA_NAME	'CL_MDG_MDF_META1'	Name of Area Class	20090116
2	ROOT	Instance attribute	Public	☑	Object reference (TYPE REF TO)	CL_MDG_MDF_META_SHM_ROOT		SHM: Model of a Data Class	20090116
3	_CLIENT_DEPENDENT	Constant	Private	☐	Type reference (TYPE)	ABAP_BOOL	ABAP_FALSE		20090116
4	_LIFE_CONTEXT	Constant	Private	☐	Type reference (TYPE)	SHM_LIFE_CONTEXT	CL_SHM_AREA=>LIFE_CONTEXT_APPSERVER	Lifetime of an Area (Constants in CL_SHM_AREA)	20090116
5	_TRACE_ACTIVE	Static Attribute	Private	☐	Type reference (TYPE)	ABAP_BOOL	ABAP_FALSE	(Internal) Flag: Trace Active?	20090116
6	_TRACE_SERVICE	Static Attribute	Private	☐	Object reference (TYPE REF TO)	IF_SHM_TRACE		(Internal) Reference to Trace Class	20090116
7	_TRANSACTIONAL	Constant	Private	☐	Type reference (TYPE)	ABAP_BOOL	ABAP_FALSE		20090116
8	_VERSION_	Constant	Private	☐	Type reference (TYPE)	I	19	(internal)	20090116

Methods

#	Method	Level	Visibility	Method type	Description	Created on
1	ATTACH_FOR_READ	Static method	Public	Method	Request Read Lock	20090116
2	ATTACH_FOR_UPDATE	Static method	Public	Method	Request Change Lock	20090116
3	ATTACH_FOR_WRITE	Static method	Public	Method	Request Write Lock	20090116
4	BUILD	Static method	Public	Method	Direct Call of Area Constructor	20090116
5	CLASS_CONSTRUCTOR	Static method	Public	Constructor	CLASS_CONSTRUCTOR	20090116
6	DETACH_AREA	Static method	Public	Method	Remove all locks on all instances	20090116
7	FREE_AREA	Static method	Public	Method	Delete All Instances	20090116
8	FREE_INSTANCE	Static method	Public	Method	Delete Instance	20090116
9	GET_GENERATOR_VERSION	Static method	Public	Method	Query Generator Version	20090116
10	GET_INSTANCE_INFOS	Static method	Public	Method	Supplies All Names of an Instance	20090116
11	INVALIDATE_AREA	Static method	Public	Method	Active versions of all instances will be set to obsolete	20090116
12	INVALIDATE_INSTANCE	Static method	Public	Method	Active version of one instance will be set to obsolete	20090116
13	SET_ROOT	Instance method	Public	Method	Sets Root Object	20090116

Events

Class CL_MDG_MDF_META1 has no event.

Types

Class CL_MDG_MDF_META1 has no local type.

Method Signatures

Method ATTACH_FOR_READ Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Returning	HANDLE	Value transfer	☐	Object reference (TYPE REF TO)	CL_MDG_MDF_META1		SHM: Modell einer Gebietsklasse	20090116
2	Importing	INST_NAME	Call by reference	☑	Type reference (TYPE)	SHM_INST_NAME	CL_SHM_AREA=>DEFAULT_INSTANCE	Name einer Shared Object Instanz eines Areas	20090116

#	Exception	Resumable	Description	Created on
1	CX_SHM_CHANGE_LOCK_ACTIVE	☐	Eine Änderungssperre ist schon aktiv	20090116
2	CX_SHM_EXCLUSIVE_LOCK_ACTIVE	☐	Instanz ist schon gesperrt	20090116
3	CX_SHM_INCONSISTENT	☐	Unterschiedliche Definitionen zwischen Program und Gebiet	20090116
4	CX_SHM_NO_ACTIVE_VERSION	☐	Keine aktive Version für ein Attach vorhanden	20090116
5	CX_SHM_PARAMETER_ERROR	☐	Falscher Parameter übergeben	20090116
6	CX_SHM_READ_LOCK_ACTIVE	☐	Anforderung einer 2. Lesesperre	20090116

Method ATTACH_FOR_UPDATE Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	ATTACH_MODE	Call by reference	☐	Type reference (TYPE)	SHM_ATTACH_MODE	CL_SHM_AREA=>ATTACH_MODE_DEFAULT	Modus des ATTACHS (Konstanten in CL_SHM_AREA)	20090116
2	Returning	HANDLE	Value transfer	☐	Object reference (TYPE REF TO)	CL_MDG_MDF_META1		SHM: Modell einer Gebietsklasse	20090116
3	Importing	INST_NAME	Call by reference	☑	Type reference (TYPE)	SHM_INST_NAME	CL_SHM_AREA=>DEFAULT_INSTANCE	Name einer Shared Object Instanz eines Areas	20090116
4	Importing	WAIT_TIME	Call by reference	☐	Type reference (TYPE)	I	0	Maximale Wartezeit (in Millisekunden)	20090116

#	Exception	Resumable	Description	Created on
1	CX_SHM_CHANGE_LOCK_ACTIVE	☐	Eine Schreibsperre ist schon aktiv	20090116
2	CX_SHM_EXCLUSIVE_LOCK_ACTIVE	☐	Instanz ist schon gesperrt	20090116
3	CX_SHM_INCONSISTENT	☐	Unterschiedliche Definitionen zwischen Program und Gebiet	20090116
4	CX_SHM_NO_ACTIVE_VERSION	☐	Keine aktive Version für ein Attach vorhanden	20090116
5	CX_SHM_PARAMETER_ERROR	☐	Übergebener Parameter hat falschen Wert	20090116
6	CX_SHM_PENDING_LOCK_REMOVED	☐	Shared Objects: wartende Sperre wurde gelöscht	20090116
7	CX_SHM_VERSION_LIMIT_EXCEEDED	☐	Keine weiteren Versionen verfügbar	20090116

Method ATTACH_FOR_WRITE Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	ATTACH_MODE	Call by reference	☐	Type reference (TYPE)	SHM_ATTACH_MODE	CL_SHM_AREA=>ATTACH_MODE_DEFAULT	Modus des ATTACHS (Konstanten in CL_SHM_AREA)	20090116
2	Returning	HANDLE	Value transfer	☐	Object reference (TYPE REF TO)	CL_MDG_MDF_META1		SHM: Modell einer Gebietsklasse	20090116
3	Importing	INST_NAME	Call by reference	☑	Type reference (TYPE)	SHM_INST_NAME	CL_SHM_AREA=>DEFAULT_INSTANCE	Name einer Shared Object Instanz eines Areas	20090116
4	Importing	WAIT_TIME	Call by reference	☐	Type reference (TYPE)	I	0	Maximale Wartezeit (in Millisekunden)	20090116

#	Exception	Resumable	Description	Created on
1	CX_SHM_CHANGE_LOCK_ACTIVE	☐	Eine Schreibsperre ist schon aktiv	20090116
2	CX_SHM_EXCLUSIVE_LOCK_ACTIVE	☐	Instanz ist schon gesperrt	20090116
3	CX_SHM_PARAMETER_ERROR	☐	Übergebener Parameter hat falschen Wert	20090116
4	CX_SHM_PENDING_LOCK_REMOVED	☐	Shared Objects: wartende Sperre wurde gelöscht	20090116
5	CX_SHM_VERSION_LIMIT_EXCEEDED	☐	Keine weiteren Versionen verfügbar	20090116

Method BUILD Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	INST_NAME	Call by reference	☐	Type reference (TYPE)	SHM_INST_NAME	CL_SHM_AREA=>DEFAULT_INSTANCE	Name einer Shared Object Instanz eines Areas	20090116

#	Exception	Resumable	Description	Created on
1	CX_SHMA_INCONSISTENT	☐	SHMA: Inkonsistente Attribut-Kombination	20090116
2	CX_SHMA_NOT_CONFIGURED	☐	SHMA: Gebietseigenschaft ist nicht konfiguriert	20090116
3	CX_SHM_BUILD_FAILED	☐	Konstruktorlauf ist fehlgeschlagen	20090116

Method CLASS_CONSTRUCTOR Signature

Method CLASS_CONSTRUCTOR on class CL_MDG_MDF_META1 has no parameter.
Method CLASS_CONSTRUCTOR on class CL_MDG_MDF_META1 has no exception.

Method DETACH_AREA Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Returning	RC	Value transfer	☐	Type reference (TYPE)	SHM_RC		Detach-Rückgabewert (Konstanten in CL_SHM_AREA)	20090116

Method DETACH_AREA on class CL_MDG_MDF_META1 has no exception.

Method FREE_AREA Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Returning	RC	Value transfer	☐	Type reference (TYPE)	SHM_RC		Rückgabewert (Konstanten in CL_SHM_AREA)	20090116
2	Importing	TERMINATE_CHANGER	Call by reference	☐	Type reference (TYPE)	ABAP_BOOL	ABAP_TRUE	Schreiber werden beendet	20090116

#	Exception	Resumable	Description	Created on
1	CX_SHM_PARAMETER_ERROR	☐	Falscher Parameter übergeben	20090116

Method FREE_INSTANCE Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	INST_NAME	Call by reference	☑	Type reference (TYPE)	SHM_INST_NAME	CL_SHM_AREA=>DEFAULT_INSTANCE	Name einer Shared Object Instanz eines Areas	20090116
2	Returning	RC	Value transfer	☐	Type reference (TYPE)	SHM_RC		Rückgabewert (Konstanten in CL_SHM_AREA)	20090116
3	Importing	TERMINATE_CHANGER	Call by reference	☐	Type reference (TYPE)	ABAP_BOOL	ABAP_TRUE	Schreiber werden beendet	20090116

#	Exception	Resumable	Description	Created on
1	CX_SHM_PARAMETER_ERROR	☐	Falscher Parameter übergeben	20090116

Method GET_GENERATOR_VERSION Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Returning	GENERATOR_VERSION	Value transfer	☐	Type reference (TYPE)	I			20090116

Method GET_GENERATOR_VERSION on class CL_MDG_MDF_META1 has no exception.

Method GET_INSTANCE_INFOS Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Returning	INFOS	Value transfer	☐	Type reference (TYPE)	SHM_INST_INFOS		Übersicht aller Instanzen eines SHM-Gebiets	20090116

Method GET_INSTANCE_INFOS on class CL_MDG_MDF_META1 has no exception.

Method INVALIDATE_AREA Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Returning	RC	Value transfer	☐	Type reference (TYPE)	SHM_RC		Detach-Rückgabewert (Konstanten in CL_SHM_AREA)	20090116
2	Importing	TERMINATE_CHANGER	Call by reference	☐	Type reference (TYPE)	ABAP_BOOL	ABAP_TRUE	Aktive Schreiber werden beendet	20090116

#	Exception	Resumable	Description	Created on
1	CX_SHM_PARAMETER_ERROR	☐	Falscher Parameter übergeben	20090116

Method INVALIDATE_INSTANCE Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	INST_NAME	Call by reference	☑	Type reference (TYPE)	SHM_INST_NAME	CL_SHM_AREA=>DEFAULT_INSTANCE	Name einer Shared Object Instanz eines Areas	20090116
2	Returning	RC	Value transfer	☐	Type reference (TYPE)	SHM_RC		Detach-Rückgabewert (Konstanten in CL_SHM_AREA)	20090116
3	Importing	TERMINATE_CHANGER	Call by reference	☐	Type reference (TYPE)	ABAP_BOOL	ABAP_TRUE	Aktive Schreiber werden beendet	20090116

#	Exception	Resumable	Description	Created on
1	CX_SHM_PARAMETER_ERROR	☐	Falscher Parameter übergeben	20090116

Method SET_ROOT Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	ROOT	Call by reference	☐	Object reference (TYPE REF TO)	CL_MDG_MDF_META_SHM_ROOT		Wurzelobjekt	20090116

#	Exception	Resumable	Description	Created on
1	CX_SHM_INITIAL_REFERENCE	☐	Initiale Referenz übergeben	20090116
2	CX_SHM_WRONG_HANDLE	☐	Falsches Handle	20090116

History

Last changed by/on	SAP	20130531
SAP Release Created in	702