OOWeakSet Class Reference

#include <OOWeakSet.h>

Inheritance diagram for OOWeakSet:

Collaboration diagram for OOWeakSet:

Instance Methods
(id)	- init
(id)	- initWithCapacity:
(NSUInteger)	- count
(BOOL)	- containsObject:
(NSEnumerator *)	- objectEnumerator
(void)	- addObject:
(void)	- removeObject:
(void)	- addObjectsByEnumerating:
(void)	- makeObjectsPerformSelector:
(void)	- makeObjectsPerformSelector:withObject:
(NSArray *)	- allObjects
(void)	- removeAllObjects
(void)	- dealloc [implementation]
(NSString *)	- description [implementation]
(id)	- copyWithZone: [implementation]
(id)	- mutableCopyWithZone: [implementation]
(BOOL)	- isEqual: [implementation]
(void)	- compact [implementation]

Class Methods
(instancetype)	+ set
(instancetype)	+ setWithCapacity:

Private Attributes
NSMutableSet *	_objects

Detailed Description

Definition at line 29 of file OOWeakSet.h.

Method Documentation

addObject:

- (void) addObject:

(id<OOWeakReferenceSupport>)

object

Definition at line 165 of file OOWeakSet.m.

                  :(id<OOWeakReferenceSupport>)object
{
    if (object == nil)  return;
    NSAssert([object conformsToProtocol:@protocol(OOWeakReferenceSupport)], @"Attempt to add object to OOWeakSet which does not conform to OOWeakReferenceSupport.");
    
    OOWeakReference *weakObj = [object weakRetain];
    [_objects addObject:weakObj];
    [weakObj release];
}

References nil.

Referenced by ShipEntity::addCollisionException:, ShipEntity::addDefenseTarget:, addObjectsByEnumerating:, and allObjects.

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addObjectsByEnumerating:

- (void) addObjectsByEnumerating:

(NSEnumerator *)

enumerator

Definition at line 184 of file OOWeakSet.m.

                                :(NSEnumerator *)enumerator
{
    id object = nil;
    [self compact];
    while ((object = [enumerator nextObject]))
    {
        [self addObject:object];
    }
}

References addObject:, compact, and nil.

Referenced by copyWithZone:.

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allObjects

- (NSArray *) allObjects

Definition at line 215 of file OOWeakSet.m.

{
    NSMutableArray *result = [NSMutableArray arrayWithCapacity:[_objects count]];
    OOWeakReference *weakRef = nil;
    foreach (weakRef, _objects)
    {
        id object = [weakRef weakRefUnderlyingObject];
        if (object != nil)  [result addObject:object];
    }
    
#ifdef NDEBUG
    return result;
#else
    return [NSArray arrayWithArray:result];
#endif
}

References _objects, addObject:, allObjects, nil, and OOWeakReference::weakRefUnderlyingObject.

Referenced by ShipEntity::allDefenseTargets, allObjects, and ShipEntity::collisionExceptions.

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compact

- (void) compact

implementation

Provided by category OOWeakSet(OOPrivate).

Definition at line 239 of file OOWeakSet.m.

{
    OOWeakReference *weakRef = nil;
    BOOL compactRequired = NO;
    foreach (weakRef, _objects)
    {
        if ([weakRef weakRefUnderlyingObject] == nil)
        {
            compactRequired = YES;
            break;
        }
    }
    
    if (compactRequired)
    {
        NSMutableSet *newObjects = [[NSMutableSet alloc] initWithCapacity:[_objects count]];
        foreach (weakRef, _objects)
        {
            if ([weakRef weakRefUnderlyingObject] != nil)
            {
                [newObjects addObject:weakRef];
            }
        }
        
        [_objects release];
        _objects = newObjects;
    }
}

References OOWeakSet(OOPrivate)::compact, and nil.

Referenced by addObjectsByEnumerating:, OOWeakSet(OOPrivate)::compact, containsObject:, copyWithZone:, and count.

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containsObject:

- (BOOL) containsObject:

(id<OOWeakReferenceSupport>)

object

Definition at line 149 of file OOWeakSet.m.

                       :(id<OOWeakReferenceSupport>)object
{
    [self compact];
    OOWeakReference *weakObj = [object weakRetain];
    BOOL result = [_objects containsObject:weakObj];
    [weakObj release];
    return result;
}

References compact.

Referenced by ShipEntity::collisionExceptedFor:, and ShipEntity::isDefenseTarget:.

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copyWithZone:

- (id) copyWithZone: (NSZone *) zone

implementation

Definition at line 102 of file OOWeakSet.m.

                   :(NSZone *)zone
{
    [self compact];
    OOWeakSet *result = [[OOWeakSet allocWithZone:zone] init];
    [result addObjectsByEnumerating:[self objectEnumerator]];
    return result;
}

References addObjectsByEnumerating:, compact, and objectEnumerator.

Referenced by mutableCopyWithZone:.

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count

- (NSUInteger) count

Definition at line 142 of file OOWeakSet.m.

{
    [self compact];
    return [_objects count];
}

References compact, and count.

Referenced by count, StationEntity::currentlyInDockingQueues, ShipEntity::defenseTargetCount, and isEqual:.

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dealloc

- (void) dealloc

implementation

Definition at line 69 of file OOWeakSet.m.

{
    DESTROY(_objects);
    
    [super dealloc];
}

References _objects, dealloc, and DESTROY.

Referenced by dealloc.

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description

- (NSString *) description

implementation

Definition at line 77 of file OOWeakSet.m.

{
    NSMutableString *result = [NSMutableString stringWithFormat:@"<%@ %p>{", [self class], self];
    NSEnumerator *selfEnum = [self objectEnumerator];
    id object = nil;
    BOOL first = YES;
    while ((object = [selfEnum nextObject]))
    {
        if (!first)  [result appendString:@", "];
        else  first = NO;
        
        NSString *desc = nil;
        if ([object respondsToSelector:@selector(shortDescription)])  desc = [object shortDescription];
        else  desc = [object description];
        
        [result appendString:desc];
    }
    
    [result appendString:@"}"];
    return result;
}

References description, nil, and objectEnumerator.

Referenced by description.

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init

- (id) init

Definition at line 36 of file OOWeakSet.m.

{
    return [self initWithCapacity:0];
}

References init, and initWithCapacity:.

Referenced by init, and initWithCapacity:.

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initWithCapacity:

- (id) initWithCapacity:

(NSUInteger)

capacity

Definition at line 42 of file OOWeakSet.m.

                       :(NSUInteger)capacity
{
    if ((self = [super init]))
    {
        _objects = [[NSMutableSet alloc] initWithCapacity:capacity];
        if (_objects == NULL)
        {
            [self release];
            return nil;
        }
    }
    return self;
}

References _objects, init, and nil.

Referenced by init.

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isEqual:

- (BOOL) isEqual: (id) other

implementation

Definition at line 117 of file OOWeakSet.m.

                :(id)other
{
    if (![other isKindOfClass:[OOWeakSet class]])  return NO;
    if ([self count] != [other count])  return NO;
    
    BOOL result = YES;
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
    NSEnumerator *selfEnum = [self objectEnumerator];
    id object = nil;
    while ((object = [selfEnum nextObject]))
    {
        if (![other containsObject:object])
        {
            result = NO;
            break;
        }
    }
    DESTROY(pool);
    
    return result;
}

References count, DESTROY, nil, and objectEnumerator.

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makeObjectsPerformSelector:

- (void) makeObjectsPerformSelector:

(SEL)

selector

Definition at line 195 of file OOWeakSet.m.

                                   :(SEL)selector
{
    OOWeakReference *weakRef = nil;
    foreach (weakRef, _objects)
    {
        [[weakRef weakRefUnderlyingObject] performSelector:selector];
    }
}

References _objects, nil, and OOWeakReference::weakRefUnderlyingObject.

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makeObjectsPerformSelector:withObject:

- (void) makeObjectsPerformSelector:		(SEL)	selector
withObject:		(id)	argument

Definition at line 205 of file OOWeakSet.m.

                                   :(SEL)selector withObject:(id)argument
{
    OOWeakReference *weakRef = nil;
    foreach (weakRef, _objects)
    {
        [[weakRef weakRefUnderlyingObject] performSelector:selector withObject:argument];
    }
}

References _objects, nil, and OOWeakReference::weakRefUnderlyingObject.

Referenced by StationEntity::abortAllDockings.

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mutableCopyWithZone:

- (id) mutableCopyWithZone: (NSZone *) zone

implementation

Definition at line 111 of file OOWeakSet.m.

                          :(NSZone *)zone
{
    return [self copyWithZone:zone];
}

References copyWithZone:.

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objectEnumerator

- (NSEnumerator *) objectEnumerator

Definition at line 159 of file OOWeakSet.m.

{
    return [OOWeakRefUnpackingEnumerator enumeratorWithCollection:_objects];
}

References OOWeakRefUnpackingEnumerator::enumeratorWithCollection:, and objectEnumerator.

Referenced by StationEntity::autoDockShipsOnHold, copyWithZone:, ShipEntity::defenseTargetEnumerator, description, StationEntity::dumpSelfState, isEqual:, objectEnumerator, and ShipEntity::realAlertCondition.

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removeAllObjects

- (void) removeAllObjects

Definition at line 233 of file OOWeakSet.m.

{
    [_objects removeAllObjects];
}

References removeAllObjects.

Referenced by StationEntity::abortAllDockings, StationEntity::autoDockShipsOnHold, StationEntity::clear, ShipEntity::removeAllDefenseTargets, and removeAllObjects.

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removeObject:

- (void) removeObject:

(id<OOWeakReferenceSupport>)

object

Definition at line 176 of file OOWeakSet.m.

                     :(id<OOWeakReferenceSupport>)object
{
    OOWeakReference *weakObj = [object weakRetain];
    [_objects removeObject:weakObj];
    [weakObj release];
}

Referenced by StationEntity::abortDockingForShip:, StationEntity::dockingInstructionsForShip:, ShipEntity::removeCollisionException:, and ShipEntity::removeDefenseTarget:.

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set

+ (instancetype) set

Definition at line 57 of file OOWeakSet.m.

{
    return [[[self alloc] init] autorelease];
}

References set.

Referenced by set.

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setWithCapacity:

+ (instancetype) setWithCapacity:

(NSUInteger)

capacity

Definition at line 63 of file OOWeakSet.m.

                                :(NSUInteger)capacity
{
    return [[[self alloc] initWithCapacity:capacity] autorelease];
}

Member Data Documentation

_objects

- (NSMutableSet*) _objects

private

Definition at line 33 of file OOWeakSet.h.

Referenced by allObjects, dealloc, initWithCapacity:, makeObjectsPerformSelector:, and makeObjectsPerformSelector:withObject:.

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

• src/Core/OOWeakSet.h
• src/Core/OOWeakSet.m