Class ValueSource

Namespace

Acuit.Pinpoint.Workflows

Assembly

Acuit.Pinpoint.Workflows.dll

The base class for a value source.

[TypeConverter(typeof(ValueSourceTypeConverter))]
public abstract class ValueSource

Inheritance

object

ValueSource

Derived

ValueSource<T>

Inherited Members

object.ToString()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

Methods

EvaluateAsObjectAsync(ActivityContext, CancellationToken)

Evaluates the value.

public abstract Task<object> EvaluateAsObjectAsync(ActivityContext context, CancellationToken cancellationToken = default)

Parameters

context ActivityContext

The activity context.

cancellationToken CancellationToken

A token that can request cancelling the evaluation.

Returns

Task<object>

A task that represents the asynchronous operation. The value of its Result property contains the resulting value.

FromDelegate<T>(Func<ActivityContext, CancellationToken, Task<T>>)

Creates a ValueSource<T> that gets its value via an asynchronous delegate.

public static ValueSource<T> FromDelegate<T>(Func<ActivityContext, CancellationToken, Task<T>> evaluator)

Parameters

evaluator Func<ActivityContext, CancellationToken, Task<T>>

The asynchronous evaluator delegate.

Returns

ValueSource<T>

A new ValueSource<T> instance.

Type Parameters

T

The value type.

Exceptions

ArgumentNullException

evaluator is null.

FromDelegate<T>(Func<ActivityContext, T>)

Creates a ValueSource<T> that gets its value from via synchronous delegate.

public static ValueSource<T> FromDelegate<T>(Func<ActivityContext, T> evaluator)

Parameters

evaluator Func<ActivityContext, T>

The synchronous evaluator delegate.

Returns

ValueSource<T>

A new ValueSource<T> instance.

Type Parameters

T

The value type.

Exceptions

ArgumentNullException

evaluator is null.

FromExpression<T>(string)

Creates a ValueSource<T> that gets its value by executing a C# expression.

public static ValueSource<T> FromExpression<T>(string code)

Parameters

code string

The C# expression.

Returns

ValueSource<T>

A new ValueSource<T> instance.

Type Parameters

T

The value type.

Exceptions

ArgumentNullException

code is null.

CompilationErrorException

code could not be compiled.

FromValueSource<T, TSource>(ValueSource<TSource>)

Creates a ValueSource<T> that gets its value from another value source.

public static ValueSource<T> FromValueSource<T, TSource>(ValueSource<TSource> valueSource) where TSource : T

Parameters

valueSource ValueSource<TSource>

The other value source.

Returns

ValueSource<T>

A new ValueSource<T> instance.

Type Parameters

T

The value type.

TSource

The value type of the other value source, which must be assignable to T.

Exceptions

ArgumentNullException

valueSource is null.

FromValue<T>(T)

Creates a ValueSource<T> that gets its value from a constant.

public static ValueSource<T> FromValue<T>(T value)

Parameters

value T

The constant value.

Returns

ValueSource<T>

A new ValueSource<T> instance.

Type Parameters

T

The value type.

Operators

implicit operator ValueSource(bool)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(bool value)

Parameters

value bool

The constant value.

Returns

ValueSource

implicit operator ValueSource(byte)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(byte value)

Parameters

value byte

The constant value.

Returns

ValueSource

implicit operator ValueSource(char)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(char value)

Parameters

value char

The constant value.

Returns

ValueSource

implicit operator ValueSource(decimal)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(decimal value)

Parameters

value decimal

The constant value.

Returns

ValueSource

implicit operator ValueSource(double)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(double value)

Parameters

value double

The constant value.

Returns

ValueSource

implicit operator ValueSource(short)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(short value)

Parameters

value short

The constant value.

Returns

ValueSource

implicit operator ValueSource(int)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(int value)

Parameters

value int

The constant value.

Returns

ValueSource

implicit operator ValueSource(long)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(long value)

Parameters

value long

The constant value.

Returns

ValueSource

implicit operator ValueSource(bool?)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(bool? value)

Parameters

value bool?

The constant value.

Returns

ValueSource

implicit operator ValueSource(byte?)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(byte? value)

Parameters

value byte?

The constant value.

Returns

ValueSource

implicit operator ValueSource(char?)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(char? value)

Parameters

value char?

The constant value.

Returns

ValueSource

implicit operator ValueSource(decimal?)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(decimal? value)

Parameters

value decimal?

The constant value.

Returns

ValueSource

implicit operator ValueSource(double?)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(double? value)

Parameters

value double?

The constant value.

Returns

ValueSource

implicit operator ValueSource(short?)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(short? value)

Parameters

value short?

The constant value.

Returns

ValueSource

implicit operator ValueSource(int?)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(int? value)

Parameters

value int?

The constant value.

Returns

ValueSource

implicit operator ValueSource(long?)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(long? value)

Parameters

value long?

The constant value.

Returns

ValueSource

implicit operator ValueSource(sbyte?)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(sbyte? value)

Parameters

value sbyte?

The constant value.

Returns

ValueSource

implicit operator ValueSource(float?)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(float? value)

Parameters

value float?

The constant value.

Returns

ValueSource

implicit operator ValueSource(TimeSpan?)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(TimeSpan? value)

Parameters

value TimeSpan?

The constant value.

Returns

ValueSource

implicit operator ValueSource(ushort?)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(ushort? value)

Parameters

value ushort?

The constant value.

Returns

ValueSource

implicit operator ValueSource(uint?)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(uint? value)

Parameters

value uint?

The constant value.

Returns

ValueSource

implicit operator ValueSource(ulong?)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(ulong? value)

Parameters

value ulong?

The constant value.

Returns

ValueSource

implicit operator ValueSource(sbyte)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(sbyte value)

Parameters

value sbyte

The constant value.

Returns

ValueSource

implicit operator ValueSource(float)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(float value)

Parameters

value float

The constant value.

Returns

ValueSource

implicit operator ValueSource(string)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(string value)

Parameters

value string

The constant value.

Returns

ValueSource

implicit operator ValueSource(TimeSpan)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(TimeSpan value)

Parameters

value TimeSpan

The constant value.

Returns

ValueSource

implicit operator ValueSource(ushort)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(ushort value)

Parameters

value ushort

The constant value.

Returns

ValueSource

implicit operator ValueSource(uint)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(uint value)

Parameters

value uint

The constant value.

Returns

ValueSource

implicit operator ValueSource(ulong)

Defines an implicit conversion of a constant value to a ValueSource.

public static implicit operator ValueSource(ulong value)

Parameters

value ulong

The constant value.

Returns

ValueSource