SAP ABAP Class CL_SKWF_CONTEXT_CACHE (INTERNAL: Context 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	20001017

Properties

Class	CL_SKWF_CONTEXT_CACHE
Short Description	INTERNAL: Context 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	20000720	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_CONTEXT_CACHE has no interface implemented.

Friends

#	Friend	Modeled only	Created on	Description
1	CL_SKWF_CACHING	☐	20001019	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	20001017
2	C_LOW_WATER_MARK	Constant	Private	☐	Type reference (TYPE)	I	250000	Displacement Size of Cache	20001017
3	C_MINUTES_TO_HALF_ACCESS_COUNT	Constant	Private	☐	Type reference (TYPE)	I	180	Number of Hours Before Access Count is Halved	20010110
4	C_SYNC_LATENCY	Constant	Private	☐	Type reference (TYPE)	I	15	Sync. Latency Default (Seconds)	20010110
5	C_X_CACHING	Constant	Private	☐	Type reference (TYPE)	XFELD	'X'	Cache Default	20001017
6	G_CACHE	Static Attribute	Private	☐	Object reference (TYPE REF TO)	CL_SKWF_CONTEXT_CACHE		Cache Singleton	20001017
7	M_CACHE_ENTRIES	Instance attribute	Private	☐	Type reference (TYPE)	AREA_CACHE_TAB_T		List of Cache Entries	20001017

Methods

#	Method	Level	Visibility	Method type	Description	Created on
1	ADD_PHIOS_OF_LOIOS	Static method	Public	Method	Set Context Resolution in Cache	20001017
2	ADD_PHIOS_OF_LOIOS_OF_AREA	Instance method	Public	Method	Set Context Resolution in Cache	20001017
3	CALC_CACHE_SIZE	Static method	Private	Method	Determine Size of Cache	20001018
4	CHECK_CACHE_SIZE	Instance method	Private	Method	Check Size of Cache and if Necessary Delete Old Entries	20001017
5	CLASS_CONSTRUCTOR	Static method	Public	Constructor	CLASS_CONSTRUCTOR	20001017
6	CONSTRUCTOR	Instance method	Public	Constructor	Constructor	20001017
7	FIND_AREAS_OF_OBJECTS	Static method	Private	Method	Assigns the Cache Area to a List of Objects	20001017
8	GET_CONTEXT_HASHCODE	Static method	Private	Method	Calculates a Hash Code from Context Selectors	20001018
9	GET_CONTEXT_ID	Static method	Private	Method	Delivers a GUID for Context Hash Code and Selectors	20001017
10	GET_ENTRY_SIZE	Static method	Private	Method	Delivers the Size of a Cache Entry	20001018
11	GET_PHIOS_OF_LOIOS	Static method	Public	Method	Get Context Resolution from Cache	20001017
12	GET_PHIOS_OF_LOIOS_OF_AREA	Instance method	Public	Method	Gets Context Resolution from Cache	20001017
13	INVALIDATE_SUBCLASS_CACHE	Static method	Protected	Method	Invalidate Cache for this Subclass	20001017
14	SYNC_DIRTY_CACHES	Static method	Protected	Method	Synchronize Cache and DB	20001020

Events

Class CL_SKWF_CONTEXT_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	AREA_OBJECT_ENTRY_T	Private	See coding		AREA_OBJECT_ENTRY_T	20001029
4	AREA_OBJECT_TAB_T	Private	See coding		AREA_OBJECT_TAB_T	20001029
5	AREA_TAB_T	Private	See coding		AREA_TAB_T	20001029
6	CACHE_ENTRY_T	Private	See coding		CACHE_ENTRY_T	20001029
7	CACHE_TAB_T	Private	See coding		CACHE_TAB_T	20001029
8	CONTEXT_ENTRY_T	Private	See coding		CONTEXT_ENTRY_T	20001029
9	CONTEXT_TAB_T	Private	See coding		CONTEXT_TAB_T	20001029

Method Signatures

Method ADD_PHIOS_OF_LOIOS Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	P_PHIOS_OF_LOIOS	Call by reference	☐	Type reference (TYPE)	SDOKLOGPHYS		Liste von Loio/Phio Paaren	20001017
2	Importing	P_SELECTORS	Call by reference	☐	Type reference (TYPE)	SDOKCXSELS		Liste von Kontextselektoren	20001017
3	Importing	P_X_REDUCED_TO_ONE	Call by reference	☐	Type reference (TYPE)	XFELD		Ergebnis wurde explizit auf 1Phio reduziert	20001017

Method ADD_PHIOS_OF_LOIOS on class CL_SKWF_CONTEXT_CACHE has no exception.

Method ADD_PHIOS_OF_LOIOS_OF_AREA Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	P_AREA	Call by reference	☐	Type reference (TYPE)	SHBUFAREA		Cache-Abgrenzung	20001018
2	Importing	P_CONTEXT_HASHCODE	Call by reference	☐	Type reference (TYPE)	I		Hash-Code für den Context	20001018
3	Importing	P_PHIOS_OF_LOIOS	Call by reference	☐	Type reference (TYPE)	SDOKLOGPHYS		Liste mit Loio/Phio-Paaren	20001017
4	Importing	P_SELECTORS	Call by reference	☐	Type reference (TYPE)	SDOKCXSELS		Liste von Kontextselektoren	20001018

Method ADD_PHIOS_OF_LOIOS_OF_AREA on class CL_SKWF_CONTEXT_CACHE has no exception.

Method CALC_CACHE_SIZE Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	P_CACHE	Call by reference	☐	Type reference (TYPE)	CACHE_TAB_T		Cache-Bereich	20001019
2	Importing	P_CONTEXTS	Call by reference	☐	Type reference (TYPE)	CONTEXT_TAB_T		Kontext-Tabelle	20001019
3	Changing	P_SIZE	Call by reference	☐	Type reference (TYPE)	I		Größe beider Segmente	20001019

Method CALC_CACHE_SIZE on class CL_SKWF_CONTEXT_CACHE has no exception.

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		Cache-Bereich	20001017
2	Changing	P_CONTEXTS	Call by reference	☐	Type reference (TYPE)	CONTEXT_TAB_T		Kontext-Tabelle	20001019
3	Importing	P_SIZE	Call by reference	☐	Type reference (TYPE)	I		Cache-Größe	20001017

#	Exception	Resumable	Description	Created on
1	CACHE_SHRINKED	☐	Einträge wurden verdrängt	20001017

Method CLASS_CONSTRUCTOR Signature

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

Method CONSTRUCTOR Signature

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

Method FIND_AREAS_OF_OBJECTS Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Changing	P_AREAS	Call by reference	☐	Type reference (TYPE)	AREA_TAB_T		Tabelle mit Areas	20001017
2	Changing	P_AREA_OBJECTS	Call by reference	☐	Type reference (TYPE)	AREA_OBJECT_TAB_T		Tabelle mit IOs und ihrer Cache-Area	20001017
3	Importing	P_OBJECTS	Call by reference	☐	Type reference (TYPE)	SDOKOBJECTS		Tabelle mit Info Objekten	20001017

Method FIND_AREAS_OF_OBJECTS on class CL_SKWF_CONTEXT_CACHE has no exception.

Method GET_CONTEXT_HASHCODE Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Returning	P_CONTEXT_HASHCODE	Value transfer	☐	Type reference (TYPE)	I		Kontext-Hashcode	20001018
2	Importing	P_REDUCE_TO_ONE	Call by reference	☐	Type reference (TYPE)	XFELD		'X': Explizit auf ein Phio reduziert	20001018
3	Importing	P_SELECTORS	Call by reference	☐	Type reference (TYPE)	SDOKCXSELS		Liste von Kontextselektoren	20001018

Method GET_CONTEXT_HASHCODE on class CL_SKWF_CONTEXT_CACHE has no exception.

Method GET_CONTEXT_ID Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Exporting	P_CONTEXT_ID	Value transfer	☐	Type reference (TYPE)	GUID_32		Eindeutige Kontextkennung	20001017
2	Changing	P_CONTEXT_TABLE	Call by reference	☐	Type reference (TYPE)	CONTEXT_TAB_T		Kontexttabelle	20001018
3	Importing	P_HASHCODE	Call by reference	☐	Type reference (TYPE)	I		Hashcode	20001018
4	Importing	P_SELECTORS	Call by reference	☐	Type reference (TYPE)	SDOKCXSELS		Liste von Kontextselektoren	20001017

Method GET_CONTEXT_ID on class CL_SKWF_CONTEXT_CACHE has no exception.

Method GET_ENTRY_SIZE Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Exporting	P_CACHE_ENTRY_SIZE	Call by reference	☐	Type reference (TYPE)	I		Eintragsgröße des Datencaches	20001018
2	Exporting	P_CONTEXT_ENTRY_SIZE	Value transfer	☐	Type reference (TYPE)	I		Eintragsgröße des Kontextcache	20001018

Method GET_ENTRY_SIZE on class CL_SKWF_CONTEXT_CACHE has no exception.

Method GET_PHIOS_OF_LOIOS Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	P_LOIOS	Call by reference	☐	Type reference (TYPE)	SDOKOBJECTS		Liste der Loios	20001017
2	Changing	P_LOIOS_NOT_HANDLED	Call by reference	☐	Type reference (TYPE)	SDOKOBJECTS		Liste unbearbeiteter Loios	20001017
3	Changing	P_PHIOS_OF_LOIOS	Call by reference	☐	Type reference (TYPE)	SDOKLOGPHYS		Liste mit Loio/Phio-Paaren	20001017
4	Importing	P_SELECTORS	Call by reference	☐	Type reference (TYPE)	SDOKCXSELS		Liste von Kontextselektoren	20001017
5	Importing	P_X_REDUCE_TO_ONE	Call by reference	☐	Type reference (TYPE)	XFELD		Feld zum Ankreuzen	20001017

Method GET_PHIOS_OF_LOIOS on class CL_SKWF_CONTEXT_CACHE has no exception.

Method GET_PHIOS_OF_LOIOS_OF_AREA Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	P_AREA	Call by reference	☐	Type reference (TYPE)	SHBUFAREA		Cache-Abgrenzung	20001017
2	Importing	P_CONTEXT_HASHCODE	Call by reference	☐	Type reference (TYPE)	I		Has-Code des Context	20001018
3	Importing	P_LOIOS	Call by reference	☐	Type reference (TYPE)	SDOKOBJECTS		Liste der Loios	20001017
4	Changing	P_LOIOS_NOT_HANDLED	Call by reference	☐	Type reference (TYPE)	SDOKOBJECTS		Liste unbearbeiteter Loios	20001017
5	Changing	P_PHIOS_OF_LOIOS	Call by reference	☐	Type reference (TYPE)	SDOKLOGPHYS		Liste mit Loio/Phio-Paaren	20001017
6	Importing	P_SELECTORS	Call by reference	☐	Type reference (TYPE)	SDOKCXSELS		Liste von Kontextselektoren	20001018

Method GET_PHIOS_OF_LOIOS_OF_AREA on class CL_SKWF_CONTEXT_CACHE has no exception.

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	20001017
2	Importing	P_CHANGED_OBJECTS	Call by reference	☑	Type reference (TYPE)	SKWF_IOS		Objektliste	20001017
3	Importing	P_DELETED_OBJECTS	Call by reference	☑	Type reference (TYPE)	SKWF_IOS		Objektliste	20001017

Method INVALIDATE_SUBCLASS_CACHE on class CL_SKWF_CONTEXT_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_CONTEXT_CACHE has no exception.

History

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