ERXFetchResultCache Class Reference

Collaboration diagram for ERXFetchResultCache:

[legend]

List of all members.

Public Member Functions
NSArray<?extends EOEnterpriseObject >	objectsForFetchSpecification (EODatabaseContext dbc, EOEditingContext ec, EOFetchSpecification fs)
void	setObjectsForFetchSpecification (EODatabaseContext dbc, EOEditingContext ec, NSArray<?> eos, EOFetchSpecification fs)
Protected Member Functions
long	cacheTime (NSArray eos, EOFetchSpecification fs)
NSArray< String >	excludedEntities ()
Private Attributes
ERXExpiringCache< String, NSArray< EOGlobalID > >	cache
Static Private Attributes
static EODatabase	currentDatabase
static final Logger	log = Logger.getLogger(ERXFetchResultCache.class)

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Detailed Description

Transparent cache for fetch results, uses ERXFetchSpecifictation.identifier() as a key.

Author:

ak

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Member Function Documentation

long cacheTime	(	NSArray	eos,
		EOFetchSpecification	fs
	)			[protected]

Returns the time the result should stay in the cache. Less or equal than zero means don't cache.

Parameters:

fs

NSArray<String> excludedEntities

(

)

[protected]

Returns a list of entities that should not be cached.

NSArray<? extends EOEnterpriseObject> objectsForFetchSpecification	(	EODatabaseContext	dbc,
		EOEditingContext	ec,
		EOFetchSpecification	fs
	)

Returns an array of EOs that where cached for the given fetch specification or null.

Parameters:

	ec
	fs

void setObjectsForFetchSpecification	(	EODatabaseContext	dbc,
		EOEditingContext	ec,
		NSArray<?>	eos,
		EOFetchSpecification	fs
	)

Registers eos for a given fetch spec.

Parameters:

	ec
	dbc
	eos
	fs

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Member Data Documentation

ERXExpiringCache<String, NSArray<EOGlobalID> > cache [private]

Initial value:

 new ERXExpiringCache<String, NSArray<EOGlobalID>>() {
                @Override
                protected synchronized void removeEntryForKey(Entry<NSArray<EOGlobalID>> entry, String key) {
                        for (EOGlobalID gid : entry.object()) {
                                currentDatabase.decrementSnapshotCountForGlobalID(gid);
                        }
                        super.removeEntryForKey(entry, key);
                }
                
                @Override
                protected synchronized void setEntryForKey(Entry<NSArray<EOGlobalID>> entry, String key) {
                        super.setEntryForKey(entry, key);
                        for (EOGlobalID gid : entry.object()) {
                                currentDatabase.incrementSnapshotCountForGlobalID(gid);
                        }
                }
        }

EODatabase currentDatabase [static, private]

final Logger log = Logger.getLogger(ERXFetchResultCache.class) [static, private]

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The documentation for this class was generated from the following file:

• /opt/source/Wonder/Frameworks/Core/ERExtensions/Sources/er/extensions/eof/ERXFetchResultCache.java