Class DefaultQueryExpressionFactory

Default factory to create query expressions.

Inheritance

System.Object

QueryExpressionFactoryBase

DefaultQueryExpressionFactory

Implements

IQueryExpressionFactory

Inherited Members

QueryExpressionFactoryBase.LambdaAbstraction(LambdaExpression, IEnumerable<QueryTree>)

QueryExpressionFactoryBase.LambdaAbstraction(LambdaExpression)

QueryExpressionFactoryBase.MonadAbstraction(Type, QueryTree)

QueryExpressionFactoryBase.RequireNotNull<T>(T, String)

QueryExpressionFactoryBase.RequireTypesAssignable(Type, Type, String)

Namespace: System.Linq.CompilerServices.Optimizers

Assembly: Nuqleon.Linq.CompilerServices.Optimizers.dll

Syntax

public class DefaultQueryExpressionFactory : QueryExpressionFactoryBase, IQueryExpressionFactory

Constructors

DefaultQueryExpressionFactory()

Constructs a default query expression factory.

Declaration

protected DefaultQueryExpressionFactory()

Properties

Instance

Gets an instance of the default query expression factory.

Declaration

public static DefaultQueryExpressionFactory Instance { get; }

Property Value

Type	Description
DefaultQueryExpressionFactory

Methods

First(MonadMember)

Creates a FirstOperator that represents a first operator using type inference where needed.

Declaration

public FirstOperator First(MonadMember source)

Parameters

Type	Name	Description
MonadMember	source	The monad from which to get the first element.

Returns

Type	Description
FirstOperator	A FirstOperator that has the given source.

First(MonadMember, QueryTree)

Creates a FirstPredicateOperator that represents a first operator with a predicate using type inference where needed.

Declaration

public FirstPredicateOperator First(MonadMember source, QueryTree predicate)

Parameters

Type	Name	Description
MonadMember	source	The monad from which to get the first element satisfying a condition.
QueryTree	predicate	The function to test each source element for a condition.

Returns

Type	Description
FirstPredicateOperator	A FirstPredicateOperator that has the given source.

First(Type, MonadMember)

Creates a FirstOperator that represents a first operator.

Declaration

public override FirstOperator First(Type elementType, MonadMember source)

Parameters

Type	Name	Description
System.Type	elementType	The System.Type of the elements in the resulting monad.
MonadMember	source	The monad from which to get the first element.

Returns

Type	Description
FirstOperator	A FirstOperator that has the given source.

Overrides

QueryExpressionFactoryBase.First(Type, MonadMember)

First(Type, MonadMember, QueryTree)

Creates a FirstPredicateOperator that represents a first operator with a predicate.

Declaration

public override FirstPredicateOperator First(Type elementType, MonadMember source, QueryTree predicate)

Parameters

Type	Name	Description
System.Type	elementType	The System.Type of the elements in the resulting monad.
MonadMember	source	The monad from which to get the first element satisfying a condition.
QueryTree	predicate	The function to test each source element for a condition.

Returns

Type	Description
FirstPredicateOperator	A FirstPredicateOperator that has the given source.

Overrides

QueryExpressionFactoryBase.First(Type, MonadMember, QueryTree)

MakeFirst(Type, MonadMember)

Creates a FirstOperator that represents a first operator.

Declaration

protected virtual FirstOperator MakeFirst(Type elementType, MonadMember source)

Parameters

Type	Name	Description
System.Type	elementType	The System.Type of the elements in the resulting monad.
MonadMember	source	The monad from which to get the first element.

Returns

Type	Description
FirstOperator	A FirstOperator that has the given source.

MakeFirstPredicate(Type, MonadMember, QueryTree)

Creates a FirstPredicateOperator that represents a first operator with a predicate.

Declaration

protected virtual FirstPredicateOperator MakeFirstPredicate(Type elementType, MonadMember source, QueryTree predicate)

Parameters

Type	Name	Description
System.Type	elementType	The System.Type of the elements in the resulting monad.
MonadMember	source	The monad from which to get the first element satisfying a condition.
QueryTree	predicate	The function to test each source element for a condition.

Returns

Type	Description
FirstPredicateOperator	A FirstPredicateOperator that has the given source.

MakeSelect(Type, Type, MonadMember, QueryTree)

Creates a SelectOperator that represents a select operator.

Declaration

protected virtual SelectOperator MakeSelect(Type elementType, Type inputElementType, MonadMember source, QueryTree selector)

Parameters

Type	Name	Description
System.Type	elementType	The System.Type of the elements in the resulting monad.
System.Type	inputElementType	The System.Type of the elements in the source monad.
MonadMember	source	The monad to invoke a transform function on.
QueryTree	selector	A transform function to apply to each source element.

Returns

Type	Description
SelectOperator	A SelectOperator that has the given source.

MakeTake(Type, MonadMember, QueryTree)

Creates a FirstOperator that represents a take operator.

Declaration

protected virtual TakeOperator MakeTake(Type elementType, MonadMember source, QueryTree count)

Parameters

Type	Name	Description
System.Type	elementType	The System.Type of the elements in the resulting monad.
MonadMember	source	The monad to take elements from.
QueryTree	count	The number of elements to return.

Returns

Type	Description
TakeOperator	A FirstOperator that has the given source.

MakeWhere(Type, MonadMember, QueryTree)

Creates a WhereOperator that represents a where operator.

Declaration

protected virtual WhereOperator MakeWhere(Type elementType, MonadMember source, QueryTree predicate)

Parameters

Type	Name	Description
System.Type	elementType	The System.Type of the elements in the resulting monad.
MonadMember	source	The monad whose elements to filter.
QueryTree	predicate	The function to test each source element for a condition.

Returns

Type	Description
WhereOperator	A WhereOperator that has the given source.

Select(MonadMember, QueryTree)

Creates a SelectOperator that represents a select operator using type inference where needed.

Declaration

public SelectOperator Select(MonadMember source, QueryTree selector)

Parameters

Type	Name	Description
MonadMember	source	The monad to invoke a transform function on.
QueryTree	selector	A transform function to apply to each source element.

Returns

Type	Description
SelectOperator	A SelectOperator that has the given source.

Select(Type, Type, MonadMember, QueryTree)

Creates a SelectOperator that represents a select operator.

Declaration

public override SelectOperator Select(Type elementType, Type inputElementType, MonadMember source, QueryTree selector)

Parameters

Type	Name	Description
System.Type	elementType	The System.Type of the elements in the resulting monad.
System.Type	inputElementType	The System.Type of the elements in the source monad.
MonadMember	source	The monad to invoke a transform function on.
QueryTree	selector	A transform function to apply to each source element.

Returns

Type	Description
SelectOperator	A SelectOperator that has the given source.

Overrides

QueryExpressionFactoryBase.Select(Type, Type, MonadMember, QueryTree)

Take(MonadMember, QueryTree)

Creates a FirstOperator that represents a take operator using type inference where needed.

Declaration

public TakeOperator Take(MonadMember source, QueryTree count)

Parameters

Type	Name	Description
MonadMember	source	The monad to take elements from.
QueryTree	count	The number of elements to return.

Returns

Type	Description
TakeOperator	A FirstOperator that has the given source.

Take(Type, MonadMember, QueryTree)

Creates a FirstOperator that represents a take operator.

Declaration

public override TakeOperator Take(Type elementType, MonadMember source, QueryTree count)

Parameters

Type	Name	Description
System.Type	elementType	The System.Type of the elements in the resulting monad.
MonadMember	source	The monad to take elements from.
QueryTree	count	The number of elements to return.

Returns

Type	Description
TakeOperator	A FirstOperator that has the given source.

Overrides

QueryExpressionFactoryBase.Take(Type, MonadMember, QueryTree)

Where(MonadMember, QueryTree)

Creates a WhereOperator that represents a where operator using type inference where needed.

Declaration

public WhereOperator Where(MonadMember source, QueryTree predicate)

Parameters

Type	Name	Description
MonadMember	source	The monad whose elements to filter.
QueryTree	predicate	The function to test each source element for a condition.

Returns

Type	Description
WhereOperator	A WhereOperator that has the given source.

Where(Type, MonadMember, QueryTree)

Creates a WhereOperator that represents a where operator.

Declaration

public override WhereOperator Where(Type elementType, MonadMember source, QueryTree predicate)

Parameters

Type	Name	Description
System.Type	elementType	The System.Type of the elements in the resulting monad.
MonadMember	source	The monad whose elements to filter.
QueryTree	predicate	The function to test each source element for a condition.

Returns

Type	Description
WhereOperator	A WhereOperator that has the given source.

Overrides

QueryExpressionFactoryBase.Where(Type, MonadMember, QueryTree)

Implements

IQueryExpressionFactory