Nabu.Data.IDao Interface Reference

Inheritance diagram for Nabu.Data.IDao:

Public Member Functions
TReturn	SelectMethod< T, TSelect, TReturn > (ISpecification< T > spec, Expression< Func< T, TSelect > > mapper, Expression< Func< IQueryable< TSelect >, TReturn > > method)
	Execute method on ReadRequest result as IQueryable.
Task< T >	AddAsync< T > (T entity, CancellationToken cancellationToken=default)
	Add an entity.
Task	AddAsync< T > (IEnumerable< T > entities, CancellationToken cancellationToken=default)
	Add entities.
Task< bool >	AnyAsync< T > (ISpecification< T > spec, CancellationToken cancellationToken=default)
	Check if at least one entity match specification.
Task< int >	CountAsync< T > (ISpecification< T > spec, CancellationToken cancellationToken=default)
	count entities that match the specification in storage
Task	DeleteAsync< T > (ISpecification< T > spec, CancellationToken cancellationToken=default)
	Remove all entities that match the specification.
Task	DeleteByIdAsync< T > (string id, CancellationToken cancellationToken=default)
	Remove the entity by id.
Task	DeleteByIdAsync< T > (IEnumerable< string > ids, CancellationToken cancellationToken=default)
	Remove entities by ids.
Task< T?>	FirstOrDefaultAsync< T > (ISpecification< T > spec, CancellationToken cancellationToken=default)
	returns the first entity that matches the specification
Task< T?>	GetByIdAsync< T > (string id, CancellationToken cancellationToken=default)
	return the entity with specified Id
IIncludeEvaluator< T >	GetIncludeEvaluator< T > ()
Task< IReadOnlyList< T > >	ListAllAsync< T > (CancellationToken cancellationToken=default)
	return all entities from storage
Task< IReadOnlyList< T > >	ListAsync< T > (ISpecification< T > spec, CancellationToken cancellationToken=default)
	Return all entities that match the specification.
Task< IReadOnlyList< TSelect > >	SelectAllAsync< T, TSelect > (Expression< Func< T, TSelect > > mapper, CancellationToken cancellationToken=default)
	return list of TSelect mapped from all entities from storage
Task< IReadOnlyList< TSelect > >	SelectAsync< T, TSelect > (ISpecification< T > spec, Expression< Func< T, TSelect > > mapper, CancellationToken cancellationToken=default)
	return list of TSelect mapped from all entities that match the specification
IAsyncEnumerable< TSelect >	SelectAsAsyncEnumerable< T, TSelect > (ISpecification< T > spec, Expression< Func< T, TSelect > > mapper, CancellationToken cancellationToken=default)
	return list of TSelect mapped from all entities that match the specification
Task< TSelect?>	SelectByIdAsync< T, TSelect > (string id, Expression< Func< T, TSelect > > mapper, CancellationToken cancellationToken=default)
	return TSelect mapped from entity with specified Id
Task< TSelect?>	SelectFirstOrDefaultAsync< T, TSelect > (ISpecification< T > spec, Expression< Func< T, TSelect > > mapper, CancellationToken cancellationToken=default)
	return TSelect mapped from first entity that match specification
Task< TSelect?>	MinAsync< T, TSelect > (ISpecification< T > spec, Expression< Func< T, TSelect?> > fieldSelector, CancellationToken cancellationToken=default)
	return min value of the selected field
Task< TSelect?>	MaxAsync< T, TSelect > (ISpecification< T > spec, Expression< Func< T, TSelect?> > fieldSelector, CancellationToken cancellationToken=default)
	return max value of the selected field
Task< IReadOnlyList< TSelect > >	SelectGroupBy< T, TKey, TSelect > (ISpecification< T > spec, Expression< Func< T, TKey > > groupBy, Expression< Func< IGrouping< TKey, T >, TSelect > > mapper, CancellationToken cancellationToken=default)
	return list of TSelect mapped from all entities that match the specification grouped by specified expression
Task	TransactionBegin (CancellationToken cancellationToken=default)
	Begin transaction.
Task	TransactionCommit (CancellationToken cancellationToken=default)
	Commit current transaction.
Task	TransactionMakeSavePoint (string name, CancellationToken cancellationToken=default)
	Make named save point in transaction.
Task	TransactionRemoveSavePoint (string name, CancellationToken cancellationToken=default)
	Remove named save point in transaction.
Task	TransactionRollback (CancellationToken cancellationToken=default)
	Rollback current transaction.
Task	TransactionRollbackToSavePoint (string name, CancellationToken cancellationToken=default)
	Rollback transaction to specified savepoint.
Task	UpdateAsync< T > (T entity, CancellationToken cancellationToken=default)
	update entity
Task	UpdateAsync< T > (IEnumerable< T > entities, CancellationToken cancellationToken=default)
	update entities
Task	UpdateAsync< T > (ISpecification< T > spec, Action< T > updater, CancellationToken cancellationToken=default)
	Apply updater to entities that match specification.
Task< IReadOnlyList< TFinal > >	EvaluateJoinQuery< T1, T2, TKey, TSelect, TFinal > (IJoinQuery< T1, T2, TKey, TSelect, TFinal > joinQuery, CancellationToken cancellationToken=default)
	Execute read query with multiple Joins.

Member Function Documentation

AddAsync< T >() [1/2]

Task Nabu.Data.IDao.AddAsync< T >	(	IEnumerable< T >	entities,
		CancellationToken	cancellationToken = default )

Add entities.

Parameters

entities
cancellationToken

Template Parameters

T

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

Type Constraints

T	:	class
T	:	IEntity
T	:	new()

AddAsync< T >() [2/2]

Task< T > Nabu.Data.IDao.AddAsync< T >	(	T	entity,
		CancellationToken	cancellationToken = default )

Add an entity.

Parameters

entity
cancellationToken

Template Parameters

T

Returns

inserted entity

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

Type Constraints

T	:	class
T	:	IEntity
T	:	new()

AnyAsync< T >()

Task< bool > Nabu.Data.IDao.AnyAsync< T >	(	ISpecification< T >	spec,
		CancellationToken	cancellationToken = default )

Check if at least one entity match specification.

Parameters

spec
cancellationToken

Template Parameters

T

Returns

true if at least one entity match specification

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

Type Constraints

T	:	class
T	:	IEntity
T	:	new()

CountAsync< T >()

Task< int > Nabu.Data.IDao.CountAsync< T >	(	ISpecification< T >	spec,
		CancellationToken	cancellationToken = default )

count entities that match the specification in storage

Parameters

spec
cancellationToken

Template Parameters

T

Returns

number of entities that match the specification

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

Type Constraints

T	:	class
T	:	IEntity
T	:	new()

DeleteAsync< T >()

Task Nabu.Data.IDao.DeleteAsync< T >	(	ISpecification< T >	spec,
		CancellationToken	cancellationToken = default )

Remove all entities that match the specification.

Parameters

spec
cancellationToken

Template Parameters

T

Returns

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

Type Constraints

T	:	class
T	:	IEntity
T	:	new()

DeleteByIdAsync< T >() [1/2]

Task Nabu.Data.IDao.DeleteByIdAsync< T >	(	IEnumerable< string >	ids,
		CancellationToken	cancellationToken = default )

Remove entities by ids.

Parameters

ids
cancellationToken

Template Parameters

T

Returns

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

Type Constraints

T	:	class
T	:	IEntity
T	:	new()

DeleteByIdAsync< T >() [2/2]

Task Nabu.Data.IDao.DeleteByIdAsync< T >	(	string	id,
		CancellationToken	cancellationToken = default )

Remove the entity by id.

Parameters

id
cancellationToken

Template Parameters

T

Returns

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

Type Constraints

T	:	class
T	:	IEntity
T	:	new()

EvaluateJoinQuery< T1, T2, TKey, TSelect, TFinal >()

Task< IReadOnlyList< TFinal > > Nabu.Data.IDao.EvaluateJoinQuery< T1, T2, TKey, TSelect, TFinal >	(	IJoinQuery< T1, T2, TKey, TSelect, TFinal >	joinQuery,
		CancellationToken	cancellationToken = default )

Execute read query with multiple Joins.

Parameters

joinQuery
cancellationToken

Template Parameters

T1
T2
TKey
TSelect
TFinal

Returns

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

Type Constraints

T1	:	class
T1	:	IEntity
T1	:	new()
T2	:	class
T2	:	IEntity
T2	:	new()

FirstOrDefaultAsync< T >()

Task< T?> Nabu.Data.IDao.FirstOrDefaultAsync< T >	(	ISpecification< T >	spec,
		CancellationToken	cancellationToken = default )

returns the first entity that matches the specification

Parameters

spec
cancellationToken

Template Parameters

T

Returns

first entity that matches the specification

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

Type Constraints

T	:	class
T	:	IEntity
T	:	new()

GetByIdAsync< T >()

Task< T?> Nabu.Data.IDao.GetByIdAsync< T >	(	string	id,
		CancellationToken	cancellationToken = default )

return the entity with specified Id

Parameters

id
cancellationToken

Template Parameters

T

Returns

entity with specified Id

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

Type Constraints

T	:	class
T	:	IEntity
T	:	new()

GetIncludeEvaluator< T >()

IIncludeEvaluator< T > Nabu.Data.IDao.GetIncludeEvaluator< T >

(

)

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >.

Type Constraints

T	:	class
T	:	IEntity

ListAllAsync< T >()

Task< IReadOnlyList< T > > Nabu.Data.IDao.ListAllAsync< T >

(

CancellationToken

cancellationToken = default

)

return all entities from storage

Parameters

cancellationToken

Template Parameters

T

Returns

all entities from storage

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

Type Constraints

T	:	class
T	:	IEntity
T	:	new()

ListAsync< T >()

Task< IReadOnlyList< T > > Nabu.Data.IDao.ListAsync< T >	(	ISpecification< T >	spec,
		CancellationToken	cancellationToken = default )

Return all entities that match the specification.

Parameters

spec
cancellationToken

Template Parameters

T

Returns

all entities that match the specification

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

Type Constraints

T	:	class
T	:	IEntity
T	:	new()

MaxAsync< T, TSelect >()

Task< TSelect?> Nabu.Data.IDao.MaxAsync< T, TSelect >	(	ISpecification< T >	spec,
		Expression< Func< T, TSelect?> >	fieldSelector,
		CancellationToken	cancellationToken = default )

return max value of the selected field

Parameters

spec
fieldSelector
cancellationToken

Template Parameters

T
TSelect

Returns

Implemented in Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

Type Constraints

T	:	class
T	:	IEntity
T	:	new()

MinAsync< T, TSelect >()

Task< TSelect?> Nabu.Data.IDao.MinAsync< T, TSelect >	(	ISpecification< T >	spec,
		Expression< Func< T, TSelect?> >	fieldSelector,
		CancellationToken	cancellationToken = default )

return min value of the selected field

Parameters

spec
fieldSelector
cancellationToken

Template Parameters

T
TSelect

Returns

Implemented in Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

Type Constraints

T	:	class
T	:	IEntity
T	:	new()

SelectAllAsync< T, TSelect >()

Task< IReadOnlyList< TSelect > > Nabu.Data.IDao.SelectAllAsync< T, TSelect >	(	Expression< Func< T, TSelect > >	mapper,
		CancellationToken	cancellationToken = default )

return list of TSelect mapped from all entities from storage

Parameters

mapper
cancellationToken

Template Parameters

T
TSelect

Returns

list of TSelect mapped from all entities

Type Constraints

T	:	class
T	:	IEntity
T	:	new()

SelectAsAsyncEnumerable< T, TSelect >()

IAsyncEnumerable< TSelect > Nabu.Data.IDao.SelectAsAsyncEnumerable< T, TSelect >	(	ISpecification< T >	spec,
		Expression< Func< T, TSelect > >	mapper,
		CancellationToken	cancellationToken = default )

return list of TSelect mapped from all entities that match the specification

Parameters

spec
mapper
cancellationToken

Template Parameters

T
TSelect

Returns

list of TSelect mapped from all entities that match the specification

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

Type Constraints

T	:	class
T	:	IEntity
T	:	new()

SelectAsync< T, TSelect >()

Task< IReadOnlyList< TSelect > > Nabu.Data.IDao.SelectAsync< T, TSelect >	(	ISpecification< T >	spec,
		Expression< Func< T, TSelect > >	mapper,
		CancellationToken	cancellationToken = default )

return list of TSelect mapped from all entities that match the specification

Parameters

spec
mapper
cancellationToken

Template Parameters

T
TSelect

Returns

list of TSelect mapped from all entities that match the specification

Type Constraints

T	:	class
T	:	IEntity
T	:	new()

SelectByIdAsync< T, TSelect >()

Task< TSelect?> Nabu.Data.IDao.SelectByIdAsync< T, TSelect >	(	string	id,
		Expression< Func< T, TSelect > >	mapper,
		CancellationToken	cancellationToken = default )

return TSelect mapped from entity with specified Id

Parameters

id
mapper
cancellationToken

Template Parameters

T
TSelect

Returns

TSelect mapped from entity with specified Id

Type Constraints

T	:	class
T	:	IEntity
T	:	new()

SelectFirstOrDefaultAsync< T, TSelect >()

Task< TSelect?> Nabu.Data.IDao.SelectFirstOrDefaultAsync< T, TSelect >	(	ISpecification< T >	spec,
		Expression< Func< T, TSelect > >	mapper,
		CancellationToken	cancellationToken = default )

return TSelect mapped from first entity that match specification

Parameters

spec
mapper
cancellationToken

Template Parameters

T
TSelect

Returns

Type Constraints

T	:	class
T	:	IEntity
T	:	new()

SelectGroupBy< T, TKey, TSelect >()

Task< IReadOnlyList< TSelect > > Nabu.Data.IDao.SelectGroupBy< T, TKey, TSelect >	(	ISpecification< T >	spec,
		Expression< Func< T, TKey > >	groupBy,
		Expression< Func< IGrouping< TKey, T >, TSelect > >	mapper,
		CancellationToken	cancellationToken = default )

return list of TSelect mapped from all entities that match the specification grouped by specified expression

Parameters

spec
groupBy
mapper
cancellationToken

Template Parameters

T
TKey
TSelect

Returns

list of TSelect mapped from all entities that match the specification grouped by specified expression

Type Constraints

T	:	class
T	:	IEntity
T	:	new()

SelectMethod< T, TSelect, TReturn >()

TReturn Nabu.Data.IDao.SelectMethod< T, TSelect, TReturn >	(	ISpecification< T >	spec,
		Expression< Func< T, TSelect > >	mapper,
		Expression< Func< IQueryable< TSelect >, TReturn > >	method )

Execute method on ReadRequest result as IQueryable.

Parameters

spec
mapper
method

Template Parameters

T
TSelect
TReturn

Returns

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

Type Constraints

T	:	class
T	:	IEntity
T	:	new()

TransactionBegin()

Task Nabu.Data.IDao.TransactionBegin

(

CancellationToken

cancellationToken = default

)

Begin transaction.

Parameters

cancellationToken

Returns

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

TransactionCommit()

Task Nabu.Data.IDao.TransactionCommit

(

CancellationToken

cancellationToken = default

)

Commit current transaction.

Parameters

cancellationToken

Returns

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

TransactionMakeSavePoint()

Task Nabu.Data.IDao.TransactionMakeSavePoint	(	string	name,
		CancellationToken	cancellationToken = default )

Make named save point in transaction.

Parameters

name
cancellationToken

Returns

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

TransactionRemoveSavePoint()

Task Nabu.Data.IDao.TransactionRemoveSavePoint	(	string	name,
		CancellationToken	cancellationToken = default )

Remove named save point in transaction.

Parameters

name
cancellationToken

Returns

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

TransactionRollback()

Task Nabu.Data.IDao.TransactionRollback

(

CancellationToken

cancellationToken = default

)

Rollback current transaction.

Parameters

cancellationToken

Returns

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

TransactionRollbackToSavePoint()

Task Nabu.Data.IDao.TransactionRollbackToSavePoint	(	string	name,
		CancellationToken	cancellationToken = default )

Rollback transaction to specified savepoint.

Parameters

name
cancellationToken

Returns

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

UpdateAsync< T >() [1/3]

Task Nabu.Data.IDao.UpdateAsync< T >	(	IEnumerable< T >	entities,
		CancellationToken	cancellationToken = default )

update entities

Parameters

entities
cancellationToken

Template Parameters

T

Returns

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

Type Constraints

T	:	class
T	:	IEntity
T	:	new()

UpdateAsync< T >() [2/3]

Task Nabu.Data.IDao.UpdateAsync< T >	(	ISpecification< T >	spec,
		Action< T >	updater,
		CancellationToken	cancellationToken = default )

Apply updater to entities that match specification.

Parameters

spec
updater
cancellationToken

Template Parameters

T

Returns

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

Type Constraints

T	:	class
T	:	IEntity
T	:	new()

UpdateAsync< T >() [3/3]

Task Nabu.Data.IDao.UpdateAsync< T >	(	T	entity,
		CancellationToken	cancellationToken = default )

update entity

Parameters

entity
cancellationToken

Template Parameters

T

Returns

Implemented in Nabu.Data.EntityFramework.AbstractEntityFrameworkDao< TDbContext >, and Nabu.Data.LiteDb.AbstractLiteDbDao< TDbContext >.

Type Constraints

T	:	class
T	:	IEntity
T	:	new()