Provides an abstract base class for a strongly typed collection. More...

#include <collection_base.h>

Inherits System::Collections::Generic::IEnumerable< T >.

Classes
class	ListImpl
	Provides an interface for accessing the elements in the collection. More...

Public Types
using	Ptr = SharedPtr< CollectionBase >
	An alias for shared pointer to an instance of this class. More...

Public Types inherited from System::Collections::Generic::IEnumerable< T >
typedef IEnumerator< T >	IEnumeratorType
	Enumerator type. More...

using	ValueType = T

using	iterator = System::Details::VirtualizedIterator< T >
	Iterator type. More...

using	const_iterator = System::Details::VirtualizedConstIterator< T >
	Const iterator type. More...

using	virtualized_iterator = System::Details::VirtualizedIteratorBase< T >
	Inner iterator base type. More...

using	virtualized_iterator_element = T
	Inner iterator element type. More...

Public Types inherited from System::Object
typedef SmartPtr< Object >	ptr
	Alias for smart pointer type. More...

Public Member Functions
int32_t	get_Capacity ()
	Returns the number of elements that the collection can contain. More...

void	set_Capacity (int32_t value)
	Sets the number of elements that the collection can contain. More...

int32_t	get_Count ()
	Returns the number of elements contained in the collection instance. This method cannot be overridden. More...

void	Clear ()
	Removes all objects from the collection instance. This method cannot be overridden. More...

void	RemoveAt (int32_t index)
	Removes the element at the specified index of the collection instance. This method is not overridable. More...

SharedPtr< Generic::IEnumerator< T > >	GetEnumerator () override
	Returns an enumerator that iterates through the collection instance. More...

void	SetTemplateWeakPtr (uint32_t argument) override
	Set n'th template argument a weak pointer (rather than shared). Allows switching pointers in containers to weak mode. More...

Public Member Functions inherited from System::Collections::Generic::IEnumerable< T >
virtual SharedPtr< IEnumerator< T > >	GetEnumerator ()=0
	Gets enumerator. More...

T	LINQ_Aggregate (const Func< T, T, T > &func)
	Applies an accumulator function over a sequence. More...

T	LINQ_ElementAt (int index)
	Returns the element at a specified index in a sequence. More...

T	LINQ_ElementAtOrDefault (int index)
	Returns the element at a specified index in a sequence. More...

T	LINQ_First ()
	Returns the first element of a sequence. More...

T	LINQ_First (const Func< T, bool > &predicate)
	Returns the first element of a sequence that satisfy the specified condition. More...

T	LINQ_FirstOrDefault ()
	Returns the first element of a sequence, or a default value if the sequence is empty. More...

T	LINQ_FirstOrDefault (std::function< bool(T)> predicate)
	Returns the first element of the sequence that satisfies a condition or a default value if no such element is found. More...

T	LINQ_Last ()
	Returns the last element of a sequence. More...

T	LINQ_LastOrDefault ()
	Returns the last element of a sequence, or a default value if the sequence is empty. More...

SharedPtr< List< T > >	LINQ_ToList ()
	Creates a List<T> from a sequence. More...

int	LINQ_Count ()
	Returns the number of elements in the sequence (calculated via direct counting). More...

int	LINQ_Count (const Func< T, bool > &predicate)
	Returns the number of elements in the sequence that satisfy the specified condition. More...

System::ArrayPtr< T >	LINQ_ToArray ()
	Creates an array from a sequence. More...

bool	LINQ_All (std::function< bool(T)> predicate)
	Determines whether all elements of a sequence satisfy a condition. More...

bool	LINQ_Any ()
	Determines whether a sequence contains any elements. More...

bool	LINQ_Any (std::function< bool(T)> predicate)
	Determines whether any element of a sequence exists or satisfies a condition. More...

SharedPtr< IEnumerable< T > >	LINQ_Where (std::function< bool(T)> predicate)
	Filters a sequence based on the specified predicate. More...

bool	LINQ_Contains (T value)
	Determines if a sequence contains a specified value. More...

template<typename ResultType >
SharedPtr< IEnumerable< ResultType > >	LINQ_Cast ()
	Casts the elements to the specified type. More...

template<typename Key >
SharedPtr< Linq::IOrderedEnumerable< T > >	LINQ_OrderBy (const Func< T, Key > &keySelector)
	Sorts the elements of a sequence in ascending order according to the key values selected by keySelector. More...

template<typename Key >
SharedPtr< Linq::IOrderedEnumerable< T > >	LINQ_OrderByDescending (const Func< T, Key > &keySelector)
	Sorts the elements of a sequence in descending order according to the key values selected by keySelector. More...

template<typename ResultType >
SharedPtr< IEnumerable< ResultType > >	LINQ_OfType ()
	Filters the elements of the sequence based on the specified type. More...

template<typename ResultType >
SharedPtr< IEnumerable< ResultType > >	LINQ_Select (const Func< T, ResultType > &selector)
	Transforms elements of a sequence. More...

template<typename ResultType >
SharedPtr< IEnumerable< ResultType > >	LINQ_Select (const Func< T, int32_t, ResultType > &selector)
	Transforms each element of a sequence into a new form by incorporating the element's index. More...

SharedPtr< IEnumerable< T > >	LINQ_Concat (SharedPtr< IEnumerable< T > > sequence)
	Concatenates two sequences. More...

SharedPtr< IEnumerable< T > >	LINQ_Reverse ()
	Inverts the order of the elements in a sequence. More...

template<typename Key >
System::SharedPtr< IEnumerable< System::SharedPtr< System::Linq::IGrouping< Key, T > > > >	LINQ_GroupBy (System::Func< T, Key > keyPredicate)
	Groups the elements of a sequence. More...

template<typename ResultType >
SharedPtr< IEnumerable< ResultType > >	LINQ_SelectMany (const Func< T, SharedPtr< IEnumerable< ResultType > > > &selector)
	Projects each element of a sequence and combines the resulting sequences into one sequence. More...

SharedPtr< IEnumerable< T > >	LINQ_Take (int32_t count)
	Returns a specified number of contiguous elements from the start of a sequence. More...

template<typename ResultType >
ResultType	LINQ_Min (const Func< T, ResultType > &selector)
	Invokes a transform function on each element of a generic sequence and returns the minimum resulting value. More...

template<typename ResultType >
ResultType	LINQ_Max (const Func< T, ResultType > &selector)
	Invokes a transform function on each element of a generic sequence and returns the maximum resulting value. More...

iterator	begin ()
	Gets iterator pointing to the first element (if any) of the collection. This iterator can't be used to change a referenced object because GetEnumerator() returns a copy-object of T. More...

iterator	end ()
	Gets iterator pointing right after the last element (if any) of the collection. This iterator can't be used to change a referenced object because GetEnumerator() returns a copy-object of T. More...

const_iterator	begin () const
	Gets iterator pointing to the first element (if any) of the const-qualified instance of the collection. More...

const_iterator	end () const
	Gets iterator pointing right after the last element (if any) of the const-qualified instance of the collection. More...

const_iterator	cbegin () const
	Gets iterator pointing to the first const-qualified element (if any) of the collection. More...

const_iterator	cend () const
	Gets iterator pointing right after the last const-qualified element (if any) of the collection. More...

virtual virtualized_iterator *	virtualizeBeginIterator ()
	Gets the implementation of begin iterator for the current container. More...

virtual virtualized_iterator *	virtualizeEndIterator ()
	Gets the implementation of end iterator for the current container. More...

virtual virtualized_iterator *	virtualizeBeginConstIterator () const
	Gets the implementation of begin const iterator for the current container. More...

virtual virtualized_iterator *	virtualizeEndConstIterator () const
	Gets the implementation of end const iterator for the current container. More...

template<typename Result >
SharedPtr< IEnumerable< Result > >	LINQ_Cast ()

template<typename Result >
SharedPtr< IEnumerable< Result > >	LINQ_OfType ()

template<typename Result >
SharedPtr< IEnumerable< Result > >	LINQ_Select (const Func< Source, Result > &selector)

template<typename Result >
SharedPtr< IEnumerable< Result > >	LINQ_Select (const Func< Source, int32_t, Result > &selector)

template<typename Key >
SharedPtr< Linq::IOrderedEnumerable< Source > >	LINQ_OrderBy (const Func< Source, Key > &keySelector)

template<typename Key >
SharedPtr< Linq::IOrderedEnumerable< Source > >	LINQ_OrderByDescending (const Func< Source, Key > &keySelector)

template<typename Key >
SharedPtr< IEnumerable< SharedPtr< System::Linq::IGrouping< Key, Source > > > >	LINQ_GroupBy (System::Func< Source, Key > keyPredicate)

template<typename Result >
SharedPtr< IEnumerable< Result > >	LINQ_SelectMany (const Func< Source, SharedPtr< IEnumerable< Result > > > &selector)

template<typename ResultType >
ResultType	LINQ_Min (const Func< Source, ResultType > &selector)

template<typename ResultType >
ResultType	LINQ_Max (const Func< Source, ResultType > &selector)

Public Member Functions inherited from System::Object
	Object ()
	Creates object. Initializes all internal data structures. More...

virtual	~Object ()
	Destroys object. Frees all internal data structures. More...

	Object (Object const &x)
	Copy constructor. Doesn't copy anything, really, just initializes new object and enables copy constructing subclasses. More...

Object &	operator= (Object const &x)
	Assignment operator. Doesn't copy anything, really, just initializes new object and enables copy constructing subclasses. More...

Object *	SharedRefAdded ()
	Increments shared reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More...

int	SharedRefRemovedSafe ()
	Decrements and returns shared reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More...

int	RemovedSharedRefs (int count)
	Decreases shared reference count by specified value. More...

Detail::SmartPtrCounter *	WeakRefAdded ()
	Increments weak reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More...

void	WeakRefRemoved ()
	Decrements weak reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More...

Detail::SmartPtrCounter *	GetCounter ()
	Gets reference counter data structure associated with the object. More...

int	SharedCount () const
	Gets current value of shared reference counter. More...

void	Lock ()
	Implements C# lock() statement locking. Call directly or use LockContext sentry object. More...

void	Unlock ()
	Implements C# lock() statement unlocking. Call directly or use LockContext sentry object. More...

virtual bool	Equals (ptr obj)
	Compares objects using C# Object.Equals semantics. More...

virtual int32_t	GetHashCode () const
	Analog of C# Object.GetHashCode() method. Enables hashing of custom objects. More...

virtual String	ToString () const
	Analog of C# Object.ToString() method. Enables converting custom objects to string. More...

virtual ptr	MemberwiseClone () const
	Analog of C# Object.MemberwiseClone() method. Enables cloning custom types. More...

virtual const TypeInfo &	GetType () const
	Gets actual type of object. Analog of C# System.Object.GetType() call. More...

virtual bool	Is (const TypeInfo &targetType) const
	Check if object represents an instance of type described by targetType. Analog of C# 'is' operator. More...

virtual void	SetTemplateWeakPtr (uint32_t argument)
	Set n'th template argument a weak pointer (rather than shared). Allows switching pointers in containers to weak mode. More...

virtual bool	FastCast (const Details::FastRttiBase &helper, void **out_ptr) const
	For internal purposes only. More...

template<>
bool	ReferenceEquals (String const &str, std::nullptr_t)
	Specialization of Object::ReferenceEquals for case of string and nullptr. More...

template<>
bool	ReferenceEquals (String const &str1, String const &str2)
	Specialization of Object::ReferenceEquals for case of strings. More...

Protected Member Functions
SharedPtr< System::Collections::Generic::List< T > >	get_InnerList ()
	Returns a List containing the list of elements in the collection instance. More...

SharedPtr< ListImpl >	get_List ()
	Returns a ListImpl containing the list of elements in the collection instance. More...

	CollectionBase ()
	Initializes a new instance of the Collections::CollectionBase class with the default initial capacity. More...

	CollectionBase (int32_t capacity)
	Initializes a new instance of the Collections::CollectionBase class with the specified capacity. More...

virtual void	OnSet (int32_t index, const T &oldValue, const T &newValue)
	Performs additional custom processes before setting a value in the collection instance. More...

virtual void	OnInsert (int32_t index, const T &value)
	Performs additional custom processes before inserting a new element into the collection instance. More...

virtual void	OnClear ()
	Performs additional custom processes when clearing the contents of the collection instance. More...

virtual void	OnRemove (int32_t index, const T &value)
	Performs additional custom processes when removing an element from the collection instance. More...

virtual void	OnValidate (const T &value)
	Performs additional custom processes when validating a value. More...

virtual void	OnSetComplete (int32_t index, const T &oldValue, const T &newValue)
	Performs additional custom processes after setting a value in the collection instance. More...

virtual void	OnInsertComplete (int32_t index, const T &value)
	Performs additional custom processes after inserting a new element into the collection instance. More...

virtual void	OnClearComplete ()
	Performs additional custom processes after clearing the contents of the collection instance. More...

virtual void	OnRemoveComplete (int32_t index, const T &value)
	Performs additional custom processes after removing an element from the collection instance. More...

virtual	~CollectionBase ()

Protected Member Functions inherited from System::Collections::Generic::IEnumerable< T >
	~IEnumerable () override
	Destructor. More...

virtualized_iterator *	GetEnumeratorAsVirtualizedIterator ()
	Gets enumerator instance and prepares it to be used as iterator kernel. More...

virtualized_iterator *	GetEnumeratorAsVirtualizedIterator () const
	Gets enumerator instance and prepares it to be used as iterator kernel. More...

Additional Inherited Members
Static Public Member Functions inherited from System::Object
static bool	ReferenceEquals (ptr const &objA, ptr const &objB)
	Compares objects by reference. More...

template<typename T >
static std::enable_if<!IsSmartPtr< T >::value, bool >::type	ReferenceEquals (T const &objA, T const &objB)
	Compares objects by reference. More...

template<typename T >
static std::enable_if<!IsSmartPtr< T >::value, bool >::type	ReferenceEquals (T const &objA, std::nullptr_t)
	Reference-compares value type object with nullptr. More...

template<typename T1 , typename T2 >
static std::enable_if< IsSmartPtr< T1 >::value &&IsSmartPtr< T2 >::value, bool >::type	Equals (T1 const &objA, T2 const &objB)
	Compares reference type objects in C# style. More...

template<typename T1 , typename T2 >
static std::enable_if<!IsSmartPtr< T1 >::value &&!IsSmartPtr< T2 >::value, bool >::type	Equals (T1 const &objA, T2 const &objB)
	Compares value type objects in C# style. More...

static const TypeInfo &	Type ()
	Implements C# typeof(System.Object) construct. More...

template<>
bool	Equals (float const &objA, float const &objB)
	Emulates C#-style floating point comparison where two NaNs are considered equal even though according to IEC 60559:1989 NaN is not equal to any value, including NaN. More...

template<>
bool	Equals (double const &objA, double const &objB)
	Emulates C#-style floating point comparison where two NaNs are considered equal even though according to IEC 60559:1989 NaN is not equal to any value, including NaN. More...

Detailed Description

template<typename T>
class System::Collections::CollectionBase< T >

Provides an abstract base class for a strongly typed collection.

Template Parameters

T	Type of elements of the collection

Member Typedef Documentation

◆ Ptr

template<typename T >

using System::Collections::CollectionBase< T >::Ptr = SharedPtr<CollectionBase>

An alias for shared pointer to an instance of this class.

Constructor & Destructor Documentation

◆ CollectionBase() [1/2]

template<typename T >

System::Collections::CollectionBase< T >::CollectionBase ( )

inlineprotected

Initializes a new instance of the Collections::CollectionBase class with the default initial capacity.

◆ CollectionBase() [2/2]

template<typename T >

System::Collections::CollectionBase< T >::CollectionBase ( int32_t capacity )

inlineprotected

Initializes a new instance of the Collections::CollectionBase class with the specified capacity.

Parameters

capacity The number of elements that the new list can initially store.

◆ ~CollectionBase()

template<typename T >

virtual System::Collections::CollectionBase< T >::~CollectionBase ( )

inlineprotectedvirtual

Member Function Documentation

◆ Clear()

template<typename T >

void System::Collections::CollectionBase< T >::Clear ( )

inline

Removes all objects from the collection instance. This method cannot be overridden.

◆ get_Capacity()

template<typename T >

int32_t System::Collections::CollectionBase< T >::get_Capacity ( )

inline

Returns the number of elements that the collection can contain.

Returns: The number of elements that the collection can contain.

◆ get_Count()

template<typename T >

int32_t System::Collections::CollectionBase< T >::get_Count ( )

inline

Returns the number of elements contained in the collection instance. This method cannot be overridden.

Returns: The number of elements contained in the collection instance. Retrieving the value of this method is an O(1) operation.

◆ get_InnerList()

template<typename T >

SharedPtr< System::Collections::Generic::List< T > > System::Collections::CollectionBase< T >::get_InnerList ( )

inlineprotected

Returns a List containing the list of elements in the collection instance.

Returns: A List representing the collection instance itself. Retrieving the value of this method is an O(1) operation.

◆ get_List()

template<typename T >

SharedPtr< ListImpl > System::Collections::CollectionBase< T >::get_List ( )

inlineprotected

Returns a ListImpl containing the list of elements in the collection instance.

Returns: A ListImpl representing the collection instance itself.

◆ GetEnumerator()

template<typename T >

SharedPtr< Generic::IEnumerator< T > > System::Collections::CollectionBase< T >::GetEnumerator ( )

inlineoverridevirtual

Returns an enumerator that iterates through the collection instance.

Returns: An IEnumerator for the collection instance.

Implements System::Collections::Generic::IEnumerable< T >.

◆ OnClear()

template<typename T >

virtual void System::Collections::CollectionBase< T >::OnClear ( )

inlineprotectedvirtual

Performs additional custom processes when clearing the contents of the collection instance.

Reimplemented in System::Xml::Schema::XmlSchemaObjectCollection.

◆ OnClearComplete()

template<typename T >

virtual void System::Collections::CollectionBase< T >::OnClearComplete ( )

inlineprotectedvirtual

Performs additional custom processes after clearing the contents of the collection instance.

◆ OnInsert()

template<typename T >

virtual void System::Collections::CollectionBase< T >::OnInsert	(	int32_t	index,
		const T &	value
	)

inlineprotectedvirtual

Performs additional custom processes before inserting a new element into the collection instance.

Parameters

index	The zero-based index at which to insert `value`.
value	The new value of the element at `index`.

Reimplemented in System::Xml::Schema::XmlSchemaObjectCollection.

◆ OnInsertComplete()

template<typename T >

virtual void System::Collections::CollectionBase< T >::OnInsertComplete	(	int32_t	index,
		const T &	value
	)

inlineprotectedvirtual

Performs additional custom processes after inserting a new element into the collection instance.

Parameters

index	The zero-based index at which to insert `value`.
value	The new value of the element at `index`.

◆ OnRemove()

template<typename T >

virtual void System::Collections::CollectionBase< T >::OnRemove	(	int32_t	index,
		const T &	value
	)

inlineprotectedvirtual

Performs additional custom processes when removing an element from the collection instance.

Parameters

index	The zero-based index at which `value` can be found.
value	The value of the element to remove from `index`.

Reimplemented in System::Xml::Schema::XmlSchemaObjectCollection.

◆ OnRemoveComplete()

template<typename T >

virtual void System::Collections::CollectionBase< T >::OnRemoveComplete	(	int32_t	index,
		const T &	value
	)

inlineprotectedvirtual

Performs additional custom processes after removing an element from the collection instance.

Parameters

index	The zero-based index at which `value` can be found.
value	The value of the element to remove from `index`.

◆ OnSet()

template<typename T >

virtual void System::Collections::CollectionBase< T >::OnSet	(	int32_t	index,
		const T &	oldValue,
		const T &	newValue
	)

inlineprotectedvirtual

Performs additional custom processes before setting a value in the collection instance.

Parameters

index	The zero-based index at which `oldValue` can be found.
oldValue	The value to replace with `newValue`.
newValue	The new value of the element at `index`.

Reimplemented in System::Xml::Schema::XmlSchemaObjectCollection.

◆ OnSetComplete()

template<typename T >

virtual void System::Collections::CollectionBase< T >::OnSetComplete	(	int32_t	index,
		const T &	oldValue,
		const T &	newValue
	)

inlineprotectedvirtual

Performs additional custom processes after setting a value in the collection instance.

Parameters

index	The zero-based index at which `oldValue` can be found.
oldValue	The value to replace with `newValue`.
newValue	The new value of the element at `index`.

◆ OnValidate()

template<typename T >

virtual void System::Collections::CollectionBase< T >::OnValidate ( const T & value )

inlineprotectedvirtual

Performs additional custom processes when validating a value.

Parameters

value The object to validate.

Exceptions

ArgumentNullException value is nullptr.

◆ RemoveAt()

template<typename T >

void System::Collections::CollectionBase< T >::RemoveAt ( int32_t index )

inline

Removes the element at the specified index of the collection instance. This method is not overridable.

Parameters

index The zero-based index of the element to remove.

Exceptions

ArgumentOutOfRangeException index is less than zero. -or- index is equal to or greater than CollectionBase::Count.

◆ set_Capacity()

template<typename T >

void System::Collections::CollectionBase< T >::set_Capacity ( int32_t value )

inline

Sets the number of elements that the collection can contain.

Parameters

value The value to set.

Exceptions

ArgumentOutOfRangeException	The `value` is set to a value that is less than CollectionBase::get_Count.
OutOfMemoryException	There is not enough memory available on the system.

◆ SetTemplateWeakPtr()

template<typename T >

void System::Collections::CollectionBase< T >::SetTemplateWeakPtr ( uint32_t argument )

inlineoverridevirtual

Set n'th template argument a weak pointer (rather than shared). Allows switching pointers in containers to weak mode.

Parameters

argument Index of template argument to treat as weak poiner.

Reimplemented from System::Object.

Classes

Public Types

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ Ptr

Constructor & Destructor Documentation

◆ CollectionBase() [1/2]

◆ CollectionBase() [2/2]

◆ ~CollectionBase()

Member Function Documentation

◆ Clear()

◆ get_Capacity()

◆ get_Count()

◆ get_InnerList()

◆ get_List()

◆ GetEnumerator()

◆ OnClear()

◆ OnClearComplete()

◆ OnInsert()

◆ OnInsertComplete()

◆ OnRemove()

◆ OnRemoveComplete()

◆ OnSet()

◆ OnSetComplete()

◆ OnValidate()

◆ RemoveAt()

◆ set_Capacity()

◆ SetTemplateWeakPtr()