Class MapperBuilder<TFrom, TTo>

Builds a mapper that maps an object of TFrom type to an object of TTo type.

Inheritance

System.Object

MapperBuilder<TFrom, TTo>

Implements

IMapperBuilder

Namespace: LinqToDB.Tools.Mapper

Assembly: linq2db.Tools.dll

Syntax

public class MapperBuilder<TFrom, TTo> : object, IMapperBuilder

Type Parameters

Name	Description
TFrom	Type to map from.
TTo	Type to map to.

Properties

DeepCopy

If true, performs deep copy. if default (null), the GetMapperExpression() method does not do deep copy, however the GetMapperExpressionEx() method does.

Declaration

public bool? DeepCopy { get; set; }

Property Value

Type	Description
System.Nullable<System.Boolean>

FromMappingDictionary

Defines member name mapping for source types.

Declaration

public Dictionary<Type, Dictionary<string, string>>? FromMappingDictionary { get; set; }

Property Value

Type	Description
System.Nullable<Dictionary<Type, Dictionary<System.String, System.String>>>

FromType

Type to map from.

Declaration

public Type FromType { get; }

Property Value

Type	Description
Type

MappingSchema

Mapping schema.

Declaration

public MappingSchema MappingSchema { get; set; }

Property Value

Type	Description
MappingSchema

MemberMappers

Member mappers.

Declaration

public List<MemberMapperInfo>? MemberMappers { get; set; }

Property Value

Type	Description
System.Nullable<List<MemberMapperInfo>>

ProcessCrossReferences

If true, processes object cross references. if default (null), the GetMapperExpression() method does not process cross references, however the GetMapperExpressionEx() method does.

Declaration

public bool? ProcessCrossReferences { get; set; }

Property Value

Type	Description
System.Nullable<System.Boolean>

ToMappingDictionary

Defines member name mapping for destination types.

Declaration

public Dictionary<Type, Dictionary<string, string>>? ToMappingDictionary { get; set; }

Property Value

Type	Description
System.Nullable<Dictionary<Type, Dictionary<System.String, System.String>>>

ToMemberFilter

Filters target members to map.

Declaration

public Func<MemberAccessor, bool> ToMemberFilter { get; set; }

Property Value

Type	Description
Func<MemberAccessor, System.Boolean>

ToType

Type to map to.

Declaration

public Type ToType { get; }

Property Value

Type	Description
Type

Methods

FromMapping(IReadOnlyDictionary<String, String>)

Defines member name mapping for source types.

Declaration

public MapperBuilder<TFrom, TTo> FromMapping(IReadOnlyDictionary<string, string> mapping)

Parameters

Type	Name	Description
IReadOnlyDictionary<System.String, System.String>	mapping	Mapping parameters.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

FromMapping(String, String)

Defines member name mapping for source types.

Declaration

public MapperBuilder<TFrom, TTo> FromMapping(string memberName, string mapName)

Parameters

Type	Name	Description
System.String	memberName	Type member name.
System.String	mapName	Mapping name.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

FromMapping(Type, IReadOnlyDictionary<String, String>)

Defines member name mapping for source types.

Declaration

public MapperBuilder<TFrom, TTo> FromMapping(Type type, IReadOnlyDictionary<string, string> mapping)

Parameters

Type	Name	Description
Type	type	Type to map.
IReadOnlyDictionary<System.String, System.String>	mapping	Mapping parameters.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

FromMapping(Type, String, String)

Defines member name mapping for source types.

Declaration

public MapperBuilder<TFrom, TTo> FromMapping(Type type, string memberName, string mapName)

Parameters

Type	Name	Description
Type	type	Type to map.
System.String	memberName	Type member name.
System.String	mapName	Mapping name.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

FromMapping<T>(IReadOnlyDictionary<String, String>)

Defines member name mapping for source types.

Declaration

public MapperBuilder<TFrom, TTo> FromMapping<T>(IReadOnlyDictionary<string, string> mapping)

Parameters

Type	Name	Description
IReadOnlyDictionary<System.String, System.String>	mapping	Mapping parameters.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

Type Parameters

Name	Description
T	Type to map.

FromMapping<T>(String, String)

Defines member name mapping for source types.

Declaration

public MapperBuilder<TFrom, TTo> FromMapping<T>(string memberName, string mapName)

Parameters

Type	Name	Description
System.String	memberName	Type member name.
System.String	mapName	Mapping name.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

Type Parameters

Name	Description
T	Type to map.

GetMapper()

Returns a mapper to map an object of TFrom type to an object of TTo type.

Declaration

public Mapper<TFrom, TTo> GetMapper()

Returns

Type	Description
Mapper<TFrom, TTo>	Mapping expression.

GetMapperExpression()

Returns a mapper expression to map an object of TFrom type to an object of TTo type. Returned expression is compatible to IQueryable.

Declaration

public Expression<Func<TFrom, TTo>> GetMapperExpression()

Returns

Type	Description
Expression<Func<TFrom, TTo>>	Mapping expression.

GetMapperExpressionEx()

Returns a mapper expression to map an object of TFrom type to an object of TTo type.

Declaration

public Expression<Func<TFrom, TTo, IDictionary<object, object>?, TTo>> GetMapperExpressionEx()

Returns

Type	Description
Expression<Func<TFrom, TTo, System.Nullable<IDictionary<System.Object, System.Object>>, TTo>>	Mapping expression.

MapMember<T>(Expression<Func<TTo, T>>, Expression<Func<TFrom, T>>)

Adds member mapper.

Declaration

public MapperBuilder<TFrom, TTo> MapMember<T>(Expression<Func<TTo, T>> toMember, Expression<Func<TFrom, T>> setter)

Parameters

Type	Name	Description
Expression<Func<TTo, T>>	toMember	Expression that returns a member to map.
Expression<Func<TFrom, T>>	setter	Expression to set the member.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

Type Parameters

Name	Description
T	Type of the member to map.

Examples

This example shows how to explicitly convert one value to another.

Mapping(IReadOnlyDictionary<String, String>)

Defines member name mapping for source and destination types.

Declaration

public MapperBuilder<TFrom, TTo> Mapping(IReadOnlyDictionary<string, string> mapping)

Parameters

Type	Name	Description
IReadOnlyDictionary<System.String, System.String>	mapping	Mapping parameters.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

Mapping(String, String)

Defines member name mapping for source and destination types.

Declaration

public MapperBuilder<TFrom, TTo> Mapping(string memberName, string mapName)

Parameters

Type	Name	Description
System.String	memberName	Type member name.
System.String	mapName	Mapping name.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

Mapping(Type, IReadOnlyDictionary<String, String>)

Defines member name mapping for source and destination types.

Declaration

public MapperBuilder<TFrom, TTo> Mapping(Type type, IReadOnlyDictionary<string, string> mapping)

Parameters

Type	Name	Description
Type	type	Type to map.
IReadOnlyDictionary<System.String, System.String>	mapping	Mapping parameters.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

Mapping(Type, String, String)

Defines member name mapping for source and destination types.

Declaration

public MapperBuilder<TFrom, TTo> Mapping(Type type, string memberName, string mapName)

Parameters

Type	Name	Description
Type	type	Type to map.
System.String	memberName	Type member name.
System.String	mapName	Mapping name.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

Mapping<T>(IReadOnlyDictionary<String, String>)

Defines member name mapping for source and destination types.

Declaration

public MapperBuilder<TFrom, TTo> Mapping<T>(IReadOnlyDictionary<string, string> mapping)

Parameters

Type	Name	Description
IReadOnlyDictionary<System.String, System.String>	mapping	Mapping parameters.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

Type Parameters

Name	Description
T	Type to map.

Mapping<T>(String, String)

Defines member name mapping for source and destination types.

Declaration

public MapperBuilder<TFrom, TTo> Mapping<T>(string memberName, string mapName)

Parameters

Type	Name	Description
System.String	memberName	Type member name.
System.String	mapName	Mapping name.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

Type Parameters

Name	Description
T	Type to map.

SetDeepCopy(Nullable<Boolean>)

If true, performs deep copy.

Declaration

public MapperBuilder<TFrom, TTo> SetDeepCopy(bool? deepCopy)

Parameters

Type	Name	Description
System.Nullable<System.Boolean>	deepCopy	If true, performs deep copy.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

SetMappingSchema(MappingSchema)

Sets mapping schema.

Declaration

public MapperBuilder<TFrom, TTo> SetMappingSchema(MappingSchema schema)

Parameters

Type	Name	Description
MappingSchema	schema	Mapping schema to set.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

SetProcessCrossReferences(Nullable<Boolean>)

If true, processes object cross references.

Declaration

public MapperBuilder<TFrom, TTo> SetProcessCrossReferences(bool? doProcess)

Parameters

Type	Name	Description
System.Nullable<System.Boolean>	doProcess	If true, processes object cross references.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

SetToMemberFilter(Func<MemberAccessor, Boolean>)

Adds a predicate to filter target members to map.

Declaration

public MapperBuilder<TFrom, TTo> SetToMemberFilter(Func<MemberAccessor, bool> predicate)

Parameters

Type	Name	Description
Func<MemberAccessor, System.Boolean>	predicate	Predicate to filter members to map.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

ToMapping(IReadOnlyDictionary<String, String>)

Defines member name mapping for destination types.

Declaration

public MapperBuilder<TFrom, TTo> ToMapping(IReadOnlyDictionary<string, string> mapping)

Parameters

Type	Name	Description
IReadOnlyDictionary<System.String, System.String>	mapping	Mapping parameters.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

ToMapping(String, String)

Defines member name mapping for destination types.

Declaration

public MapperBuilder<TFrom, TTo> ToMapping(string memberName, string mapName)

Parameters

Type	Name	Description
System.String	memberName	Type member name.
System.String	mapName	Mapping name.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

ToMapping(Type, IReadOnlyDictionary<String, String>)

Defines member name mapping for destination types.

Declaration

public MapperBuilder<TFrom, TTo> ToMapping(Type type, IReadOnlyDictionary<string, string> mapping)

Parameters

Type	Name	Description
Type	type	Type to map.
IReadOnlyDictionary<System.String, System.String>	mapping	Mapping parameters.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

ToMapping(Type, String, String)

Defines member name mapping for destination types.

Declaration

public MapperBuilder<TFrom, TTo> ToMapping(Type type, string memberName, string mapName)

Parameters

Type	Name	Description
Type	type	Type to map.
System.String	memberName	Type member name.
System.String	mapName	Mapping name.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

ToMapping<T>(IReadOnlyDictionary<String, String>)

Defines member name mapping for destination types.

Declaration

public MapperBuilder<TFrom, TTo> ToMapping<T>(IReadOnlyDictionary<string, string> mapping)

Parameters

Type	Name	Description
IReadOnlyDictionary<System.String, System.String>	mapping	Mapping parameters.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

Type Parameters

Name	Description
T	Type to map.

ToMapping<T>(String, String)

Defines member name mapping for destination types.

Declaration

public MapperBuilder<TFrom, TTo> ToMapping<T>(string memberName, string mapName)

Parameters

Type	Name	Description
System.String	memberName	Type member name.
System.String	mapName	Mapping name.

Returns

Type	Description
MapperBuilder<TFrom, TTo>	Returns this mapper.

Type Parameters

Name	Description
T	Type to map.

Explicit Interface Implementations

IMapperBuilder.GetMapperLambdaExpression()

Declaration

LambdaExpression IMapperBuilder.GetMapperLambdaExpression()

Returns

Type	Description
LambdaExpression

IMapperBuilder.GetMapperLambdaExpressionEx()

Declaration

LambdaExpression IMapperBuilder.GetMapperLambdaExpressionEx()

Returns

Type	Description
LambdaExpression

Implements

IMapperBuilder

Extension Methods

Map.DeepCopy<T>(T)

Sql.IsDistinctFrom<T>(T, T)

Sql.IsNotDistinctFrom<T>(T, T)

SqlExtensions.In<T>(T, IEnumerable<T>)

SqlExtensions.In<T>(T, IQueryable<T>)

SqlExtensions.In<T>(T, T[])

SqlExtensions.In<T>(T, T, T)

SqlExtensions.In<T>(T, T, T, T)

SqlExtensions.NotIn<T>(T, IEnumerable<T>)

SqlExtensions.NotIn<T>(T, IQueryable<T>)

SqlExtensions.NotIn<T>(T, T[])

SqlExtensions.NotIn<T>(T, T, T)

SqlExtensions.NotIn<T>(T, T, T, T)