Struct PolicyBuilder<T1, T2>

Namespace

Executables.Policies

Assembly

executables.dll

Builds a composed policy pipeline.

public readonly struct PolicyBuilder<T1, T2>

Type Parameters

T1

Input type of the target executable.

T2

Output type of the target executable.

Inherited Members

ValueType.Equals(object)

ValueType.GetHashCode()

ValueType.ToString()

object.Equals(object, object)

object.GetType()

object.ReferenceEquals(object, object)

Remarks

Policies are invoked in reverse order of addition: the last added policy executes first.

Constructors

PolicyBuilder()

Builds a composed policy pipeline.

public PolicyBuilder()

Remarks

Policies are invoked in reverse order of addition: the last added policy executes first.

Methods

Add(Policy<T1, T2>)

Adds a policy to the builder pipeline.

public PolicyBuilder<T1, T2> Add(Policy<T1, T2> policy)

Parameters

policy Policy<T1, T2>

Policy to add.

Returns

PolicyBuilder<T1, T2>

Current builder instance.

Create(Func<T1, IExecutor<T1, T2>, T2>)

Adds a policy created from a delegate.

public PolicyBuilder<T1, T2> Create(Func<T1, IExecutor<T1, T2>, T2> policy)

Parameters

policy Func<T1, IExecutor<T1, T2>, T2>

Delegate implementing policy behavior.

Returns

PolicyBuilder<T1, T2>

Current builder instance.

Fallback<TEx>(Func<T1, TEx, T2>)

Creates a fallback policy from a delegate.

public PolicyBuilder<T1, T2> Fallback<TEx>(Func<T1, TEx, T2> fallback) where TEx : Exception

Parameters

fallback Func<T1, TEx, T2>

Delegate that converts input and exception into a fallback result.

Returns

PolicyBuilder<T1, T2>

Current builder instance.

Type Parameters

TEx

Handled exception type.

Guard(Guard)

Adds a policy that blocks invocation when the guard denies access.

public PolicyBuilder<T1, T2> Guard(Guard guard)

Parameters

guard Guard

Guard that controls whether invocation is allowed.

Returns

PolicyBuilder<T1, T2>

Current builder instance.

PreventReentrance()

Adds a policy that rejects reentrant execution.

public PolicyBuilder<T1, T2> PreventReentrance()

Returns

PolicyBuilder<T1, T2>

Current builder instance.

Validate(Validator<T1>, Validator<T2>)

Adds a policy that validates input before invocation and output after invocation.

public PolicyBuilder<T1, T2> Validate(Validator<T1> inputValidator, Validator<T2> outputValidator)

Parameters

inputValidator Validator<T1>

Validator for invocation input.

outputValidator Validator<T2>

Validator for invocation result.

Returns

PolicyBuilder<T1, T2>

Current builder instance.