SAP ABAP Class CL_SKWF_FOLDER_CACHE (INTERNAL: Folder Cache)

Hierarchy

☛ SAP_BASIS (Software Component) SAP Basis Component
   ⤷ BC-SRV-KPR-DMF (Application Component) Document Management Framework
     ⤷ SKWF (Package) SAP Knowledge Warehouse Framework

Meta Relationship - Using

#	Relationship type	Using	Short Description	Created on
1	Inheritance (c INHERITING FROM c_ref)	CL_SKWF_CACHING	INTERNAL: Cache Layer Core Functions	20000927

Properties

Class	CL_SKWF_FOLDER_CACHE
Short Description	INTERNAL: Folder Cache
Super Class	CL_SKWF_CACHING	INTERNAL: Cache Layer Core Functions
Instantiability of a Class	1	Protected
Final	☑

General Data

Message Class
Program status
Category	0
Package	SKWF	SAP Knowledge Warehouse Framework
Created	20000927	SAP
Last change	20001201	SAP
Shared Memory-enabled	☐
Fixed point arithmetic	☑
Unicode checks active	☑

Forward declarations

#	Type group / Object type	Type	Type Description
1	CL_ABAP_TABLEDESCR	Forward declaration class (CLASS c DEFINITION DEFERRED)	Forward declaration class (CLASS c DEFINITION DEFERRED)
2	SDOKM	Type group use (TYPE-POOLS tp)	Type group use (TYPE-POOLS tp)
3	SKWFC	Type group use (TYPE-POOLS tp)	Type group use (TYPE-POOLS tp)

Interfaces

Class CL_SKWF_FOLDER_CACHE has no interface implemented.

Friends

#	Friend	Modeled only	Created on	Description
1	CL_SKWF_CACHING	☐	20000928	INTERNAL: Cache Layer Core Functions

Attributes

#	Attribute	Level	Visibility	Read only	Typing	Associated Type	Initial Value	Description	Created on
1	C_HIGH_WATER_MARK	Constant	Private	☐	Type reference (TYPE)	I	500000	Maximum Cache Size in Bytes	20000927
2	C_LOW_WATER_MARK	Constant	Private	☐	Type reference (TYPE)	I	250000	Displacement Size of Cache	20000927
3	C_MINUTES_TO_HALF_ACCESS_COUNT	Constant	Private	☐	Type reference (TYPE)	I	300	Number of Hours Before Access Count is Halved	20010110
4	C_SYNC_LATENCY	Constant	Private	☐	Type reference (TYPE)	I	15	Sync. Latency (Seconds)	20010110
5	C_X_CACHING	Constant	Private	☐	Type reference (TYPE)	XFELD	'X'	Cache Default	20000927
6	G_CACHE	Static Attribute	Private	☐	Object reference (TYPE REF TO)	CL_SKWF_FOLDER_CACHE		Cache Singleton	20000927
7	M_CACHE_ENTRIES	Instance attribute	Private	☐	Type reference (TYPE)	AREA_CACHE_TAB_T		List of Cache Entries	20000927

Methods

#	Method	Level	Visibility	Method type	Description	Created on
1	CHECK_CACHE_SIZE	Instance method	Private	Method	Check Size of Cache and if Necessary Delete Old Entries	20000927
2	CLASS_CONSTRUCTOR	Static method	Public	Constructor	CLASS_CONSTRUCTOR	20000927
3	CONSTRUCTOR	Instance method	Public	Constructor	Constructor	20000927
4	FORCE_SYNC	Static method	Public	Method	Force Sync. with DB	20010109
5	GET_ATTACHED_IOS	Static method	Public	Method	Get Attached Directory Content from Cache	20000927
6	GET_ENTRY_SIZE	Static method	Private	Method	Determine Size of a Cache Entry	20001016
7	GET_LINKED_IOS	Static method	Public	Method	Get Linked Directory Content from the Cache	20000927
8	INVALIDATE_SUBCLASS_CACHE	Static method	Protected	Method	Invalidate Cache for this Subclass	20000927
9	SET_ATTACHED_IOS	Static method	Public	Method	Set Attached Directory Content in Cache	20000927
10	SET_LINKED_IOS	Static method	Public	Method	Set Linked Directory Content in Cache	20000927
11	SYNC_DIRTY_CACHES	Static method	Protected	Method	Synchronize Cache and DB	20001020

Events

Class CL_SKWF_FOLDER_CACHE has no event.

Types

#	Type	Visibility	Typing	Associated Type	Description	Created on	Type Source
1	AREA_CACHE_ENTRY_T	Private	See coding		AREA_CACHE_ENTRY_T	20001029
2	AREA_CACHE_TAB_T	Private	See coding		AREA_CACHE_TAB_T	20001029
3	CACHE_ENTRY_T	Private	See coding		CACHE_ENTRY_T	20001029
4	CACHE_TAB_T	Private	See coding		CACHE_TAB_T	20001029

Method Signatures

Method CHECK_CACHE_SIZE Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Changing	P_CACHE	Call by reference	☐	Type reference (TYPE)	CACHE_TAB_T		Liste mit Cache-Einträgen	20001011
2	Changing	P_SIZE	Call by reference	☐	Type reference (TYPE)	I		Cache-Größe	20001016

#	Exception	Resumable	Description	Created on
1	CACHE_SHRINKED	☐	Es wurden Einträge aus dem Cache verdrängt	20001013

Method CLASS_CONSTRUCTOR Signature

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

Method CONSTRUCTOR Signature

Method CONSTRUCTOR on class CL_SKWF_FOLDER_CACHE has no parameter.
Method CONSTRUCTOR on class CL_SKWF_FOLDER_CACHE has no exception.

Method FORCE_SYNC Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	P_FOLDER	Call by reference	☐	Type reference (TYPE)	SKWF_IO		KW Framework: Objektschlüssel	20010109

Method FORCE_SYNC on class CL_SKWF_FOLDER_CACHE has no exception.

Method GET_ATTACHED_IOS Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Exporting	P_ATTACHED_IOS	Call by reference	☐	Type reference (TYPE)	SKWF_IOS		Tabelle der 'attachted' IOs	20000927
2	Importing	P_FOLDER	Call by reference	☐	Type reference (TYPE)	SKWF_IO		Verzeichnis	20000927

#	Exception	Resumable	Description	Created on
1	NOT_IN_CACHE	☐	Verzeichnis noch nicht gecached	20000927

Method GET_ENTRY_SIZE Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	P_ENTRY	Call by reference	☐	Type reference (TYPE)	CACHE_ENTRY_T			20001016
2	Returning	P_SIZE	Value transfer	☐	Type reference (TYPE)	I			20001016

Method GET_ENTRY_SIZE on class CL_SKWF_FOLDER_CACHE has no exception.

Method GET_LINKED_IOS Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	P_FOLDER	Call by reference	☐	Type reference (TYPE)	SKWF_IO		Verzeichnis	20000927
2	Exporting	P_LINKED_IOS	Call by reference	☐	Type reference (TYPE)	SDOKRELISTS		Tabelle der 'gelinkten' IOs	20000927

#	Exception	Resumable	Description	Created on
1	NOT_IN_CACHE	☐	Verzeichnis noch nicht gecached	20000927

Method INVALIDATE_SUBCLASS_CACHE Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	P_CHANGED_FOLDERS	Call by reference	☑	Type reference (TYPE)	SKWF_IOS		Verzeichnisse mit geändertem Inhalt	20000928
2	Importing	P_CHANGED_OBJECTS	Call by reference	☑	Type reference (TYPE)	SKWF_IOS		Objektliste	20000927
3	Importing	P_DELETED_OBJECTS	Call by reference	☑	Type reference (TYPE)	SKWF_IOS		Objektliste	20000927

Method INVALIDATE_SUBCLASS_CACHE on class CL_SKWF_FOLDER_CACHE has no exception.

Method SET_ATTACHED_IOS Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	P_ATTACHED_IOS	Call by reference	☐	Type reference (TYPE)	SKWF_IOS		Liste der 'attachten' IOs	20000927
2	Importing	P_FOLDER	Call by reference	☐	Type reference (TYPE)	SKWF_IO		Verzeichnis	20000927

Method SET_ATTACHED_IOS on class CL_SKWF_FOLDER_CACHE has no exception.

Method SET_LINKED_IOS Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	P_FOLDER	Call by reference	☐	Type reference (TYPE)	SKWF_IO		Verzeichnis	20000927
2	Importing	P_LINKED_IOS	Call by reference	☐	Type reference (TYPE)	SDOKRELISTS		Liste der 'gelinkten' IOs	20000927

Method SET_LINKED_IOS on class CL_SKWF_FOLDER_CACHE has no exception.

Method SYNC_DIRTY_CACHES Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	P_X_FORCE	Call by reference	☑	Type reference (TYPE)	XFELD		Unabhängig von Latenz abgleichen	20001020
2	Importing	P_X_NO_LOCK	Call by reference	☑	Type reference (TYPE)	XFELD		Keine Sperren setzen (muß außerhalb geschehen!)	20001020

Method SYNC_DIRTY_CACHES on class CL_SKWF_FOLDER_CACHE has no exception.

History

Last changed by/on	SAP	20001201
SAP Release Created in	50A