NeoN::Collection Class Reference

A type-erased interface collection types. More...

#include <collection.hpp>

Public Member Functions
template<typename CollectionType >
	Collection (CollectionType collection)
	Constructs a Collection from a specific collection type.
	Collection (const Collection &other)=delete
	A Collection is not copyable, only moveable.
Collection &	operator= (const Collection &other)=delete
	A Collection is not copyable, only moveable.
	Collection (Collection &&other)=default
	A Collection is moveable, but not copyable.
Collection &	operator= (Collection &&other)=default
	A Collection is moveable, but not copyable.
Document &	doc (const std::string &id)
	Retrieves a document by its ID.
const Document &	doc (const std::string &id) const
	Retrieves a document by its ID (const version).
std::vector< std::string >	find (const std::function< bool(const Document &)> &predicate) const
	Finds documents that match a given predicate.
size_t	size () const
	Returns the number of documents in the collection.
std::string	type () const
	Returns the type of the collection.
std::string	name () const
	Returns the name of the collection.
Database &	db ()
	Returns a reference to the database containing the collection.
const Database &	db () const
	Returns a const reference to the database containing the collection.
template<typename CollectionType >
CollectionType &	as ()
	Casts the collection to a specific collection type.
template<typename CollectionType >
const CollectionType &	as () const
	Casts the collection to a specific collection type (const version).

Detailed Description

A type-erased interface collection types.

The Collection class provides a type-erased interface for different collection types. It allows operations such as retrieving documents, finding documents based on predicates, and accessing collection metadata.

Definition at line 29 of file collection.hpp.

Constructor & Destructor Documentation

Collection() [1/3]

template<typename CollectionType >

NeoN::Collection::Collection ( CollectionType  collection )

inline

Constructs a Collection from a specific collection type.

Template Parameters

CollectionType

The type of the collection to be wrapped.

Parameters

collection

The collection instance to be wrapped.

Definition at line 40 of file collection.hpp.

Collection() [2/3]

NeoN::Collection::Collection ( const Collection &  other )

delete

A Collection is not copyable, only moveable.

Collection() [3/3]

NeoN::Collection::Collection ( Collection &&  other )

default

A Collection is moveable, but not copyable.

Member Function Documentation

as() [1/2]

template<typename CollectionType >

CollectionType & NeoN::Collection::as ( )

inline

Casts the collection to a specific collection type.

Template Parameters

CollectionType

The type to cast to.

Returns

CollectionType& A reference to the casted collection.

Exceptions

std::bad_cast

if the cast fails.

Definition at line 132 of file collection.hpp.

as() [2/2]

template<typename CollectionType >

const CollectionType & NeoN::Collection::as ( ) const

inline

Casts the collection to a specific collection type (const version).

Template Parameters

CollectionType

The type to cast to.

Returns

const CollectionType& A const reference to the casted collection.

Exceptions

std::bad_cast

if the cast fails.

Definition at line 151 of file collection.hpp.

db() [1/2]

Database & NeoN::Collection::db

(

)

Returns a reference to the database containing the collection.

Returns

Database& A reference to the database.

db() [2/2]

const Database & NeoN::Collection::db

(

)

const

Returns a const reference to the database containing the collection.

Returns

const Database& A const reference to the database.

doc() [1/2]

Document & NeoN::Collection::doc

(

const std::string &

id

)

Retrieves a document by its ID.

Parameters

id	The ID of the document to retrieve.

Returns

Document& A reference to the document.

doc() [2/2]

const Document & NeoN::Collection::doc

(

const std::string &

id

)

const

Retrieves a document by its ID (const version).

Parameters

id	The ID of the document to retrieve.

Returns

const Document& A const reference to the document.

find()

std::vector< std::string > NeoN::Collection::find

(

const std::function< bool(const Document &)> &

predicate

)

const

Finds documents that match a given predicate.

Parameters

predicate

A function that takes a Document and returns true if it matches the criteria.

Returns

std::vector<std::string> A vector of document IDs that match the predicate.

name()

std::string NeoN::Collection::name

(

)

const

Returns the name of the collection.

Returns

std::string The name of the collection.

operator=() [1/2]

Collection & NeoN::Collection::operator= ( Collection &&  other )

default

A Collection is moveable, but not copyable.

operator=() [2/2]

Collection & NeoN::Collection::operator= ( const Collection &  other )

delete

A Collection is not copyable, only moveable.

size()

size_t NeoN::Collection::size

(

)

const

Returns the number of documents in the collection.

Returns

size_t The number of documents.

type()

std::string NeoN::Collection::type

(

)

const

Returns the type of the collection.

Returns

std::string The type of the collection.

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

• /home/runner/work/NeoN/NeoN/include/NeoN/core/database/collection.hpp