Class ValidatingActionRenderer<T>

Validates if rendering events are in the correct order according to the documented automata (see also the docs for IRenderer<T> and IActionRenderer<T>) using profiling-guided analysis.

Inheritance

Object

RecordingActionRenderer<T>

ValidatingActionRenderer<T>

Implements

IActionRenderer<T>

IRenderer<T>

Inherited Members

RecordingActionRenderer<T>.Records

RecordingActionRenderer<T>.ResetRecords()

Object.Equals(Object)

Object.Equals(Object, Object)

Object.GetHashCode()

Object.GetType()

Object.MemberwiseClone()

Object.ReferenceEquals(Object, Object)

Object.ToString()

Namespace: Libplanet.Blockchain.Renderers.Debug

Assembly: Libplanet.dll

Syntax

public class ValidatingActionRenderer<T> : RecordingActionRenderer<T>, IActionRenderer<T>, IRenderer<T> where T : IAction, new()

Type Parameters

Name	Description
T	An IAction type. It should match to BlockChain<T>'s type parameter.

Constructors

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ValidatingActionRenderer(Action<InvalidRenderException<T>>)

Creates a new ValidatingActionRenderer<T> instance.

Declaration

public ValidatingActionRenderer(Action<InvalidRenderException<T>> onError = null)

Parameters

Type	Name	Description
Action<InvalidRenderException<T>>	onError	An optional event handler which is triggered when invalid render events occur.

Properties

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BlockChain

The chain that publishes the render events. More stricter validations are conducted if it's configured.

Declaration

public BlockChain<T> BlockChain { get; set; }

Property Value

Type	Description
BlockChain<T>

Methods

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RenderAction(IAction, IActionContext, IAccountStateDelta)

Does things that should be done right after an action is executed and applied to the blockchain.

Declaration

public override void RenderAction(IAction action, IActionContext context, IAccountStateDelta nextStates)

Parameters

Type	Name	Description
IAction	action	An executed action.
IActionContext	context	The equivalent context object to an object passed to the `action`'s Execute(IActionContext) method. That means PreviousStates are the states right before this action executed. For the states after this action executed, use the `nextStates` argument instead.
IAccountStateDelta	nextStates	The states right after this action executed, which means it is equivalent to the states `action`'s Execute(IActionContext) method returned.

Overrides

Libplanet.Blockchain.Renderers.Debug.RecordingActionRenderer<T>.RenderAction(Libplanet.Action.IAction, Libplanet.Action.IActionContext, Libplanet.Action.IAccountStateDelta)

Remarks

It is guaranteed to be called only once for an action, and only after applied to the blockchain, unless an exception is thrown during executing the action (in that case RenderActionError(IAction, IActionContext, Exception) is called instead) or once the action has been unrendered.

Also note that this method is invoked after RenderBlock(Block<T>, Block<T>) method is called (where its second parameter newTip contains a transaction the action belongs to).

The reason why the parameter action takes IAction instead of T is because it can take block actions (BlockAction) besides transaction actions (Actions).

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RenderActionError(IAction, IActionContext, Exception)

Does the similar things to RenderAction(IAction, IActionContext, IAccountStateDelta), except that this method is invoked when action has terminated with an exception.

Declaration

public override void RenderActionError(IAction action, IActionContext context, Exception exception)

Parameters

Type	Name	Description
IAction	action	An action which threw an exception during execution.
IActionContext	context	The equivalent context object to an object passed to the `action`'s Execute(IActionContext) method. That means PreviousStates are the states right before this action executed.
Exception	exception	The exception thrown during executing the `action`.

Overrides

Libplanet.Blockchain.Renderers.Debug.RecordingActionRenderer<T>.RenderActionError(Libplanet.Action.IAction, Libplanet.Action.IActionContext, System.Exception)

Remarks

Also note that this method is invoked after RenderBlock(Block<T>, Block<T>) method is called (where its second parameter newTip contains a transaction the action belongs to).

The reason why the parameter action takes IAction instead of T is because it can take block actions (BlockAction) besides transaction actions (Actions).

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RenderBlock(Block<T>, Block<T>)

Does things that should be done right after a new Block<T> is appended to a BlockChain<T> (so that its Tip has changed).

Declaration

public override void RenderBlock(Block<T> oldTip, Block<T> newTip)

Parameters

Type	Name	Description
Block<T>	oldTip	The previous Tip.
Block<T>	newTip	The current Tip.

Overrides

Libplanet.Blockchain.Renderers.Debug.RecordingActionRenderer<T>.RenderBlock(Libplanet.Blocks.Block<T>, Libplanet.Blocks.Block<T>)

Remarks

It is guaranteed to be called only once for a block, and only after applied to the blockchain, unless it has been stale due to reorg (for that case, RenderReorg(Block<T>, Block<T>, Block<T>) is called in advance).

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RenderBlockEnd(Block<T>, Block<T>)

Does things that should be done right all actions in a new Block<T> are rendered.

Declaration

public override void RenderBlockEnd(Block<T> oldTip, Block<T> newTip)

Parameters

Type	Name	Description
Block<T>	oldTip	The previous Tip.
Block<T>	newTip	The current Tip.

Overrides

Libplanet.Blockchain.Renderers.Debug.RecordingActionRenderer<T>.RenderBlockEnd(Libplanet.Blocks.Block<T>, Libplanet.Blocks.Block<T>)

Remarks

It is guaranteed to be called only once for a block.

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RenderReorg(Block<T>, Block<T>, Block<T>)

Does things that should be done right before reorg happens to a BlockChain<T>.

Declaration

public override void RenderReorg(Block<T> oldTip, Block<T> newTip, Block<T> branchpoint)

Parameters

Type	Name	Description
Block<T>	oldTip	The Tip right before reorg.
Block<T>	newTip	The Tip after reorg.
Block<T>	branchpoint	The highest common Block<T> between `oldTip` and `newTip`.

Overrides

Libplanet.Blockchain.Renderers.Debug.RecordingActionRenderer<T>.RenderReorg(Libplanet.Blocks.Block<T>, Libplanet.Blocks.Block<T>, Libplanet.Blocks.Block<T>)

Remarks

For every call to this method, calls to RenderBlock(Block<T>, Block<T>) and RenderReorgEnd(Block<T>, Block<T>, Block<T>) methods with the same newTip is made too. Note that this method is guaranteed to be called before RenderBlock(Block<T>, Block<T>) method for the same newTip.

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RenderReorgEnd(Block<T>, Block<T>, Block<T>)

Does things that should be done right after reorg happens to a BlockChain<T>.

Declaration

public override void RenderReorgEnd(Block<T> oldTip, Block<T> newTip, Block<T> branchpoint)

Parameters

Type	Name	Description
Block<T>	oldTip	The Tip right before reorg.
Block<T>	newTip	The Tip after reorg.
Block<T>	branchpoint	The highest common Block<T> between `oldTip` and `newTip`.

Overrides

Libplanet.Blockchain.Renderers.Debug.RecordingActionRenderer<T>.RenderReorgEnd(Libplanet.Blocks.Block<T>, Libplanet.Blocks.Block<T>, Libplanet.Blocks.Block<T>)

Remarks

Note that this method is guaranteed to be called after RenderReorg(Block<T>, Block<T>, Block<T>) and RenderBlock(Block<T>, Block<T>) methods for the same newTip.

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UnrenderAction(IAction, IActionContext, IAccountStateDelta)

Does things that should be undone right after the given action is invalidated (mostly due to reorg, i.e., a block which the action has belonged to becomes considered stale).

This method takes the equivalent arguments to RenderAction(IAction, IActionContext, IAccountStateDelta) method.

Declaration

public override void UnrenderAction(IAction action, IActionContext context, IAccountStateDelta nextStates)

Parameters

Type	Name	Description
IAction	action	A stale action.
IActionContext	context	The equivalent context object to an object passed to the `action`'s Execute(IActionContext) method. That means PreviousStates are the states right before this action executed. For the states after this action executed, use the `nextStates` argument instead.
IAccountStateDelta	nextStates	The states right after this action executed, which means it is equivalent to the states `action`'s Execute(IActionContext) method returned.

Overrides

Libplanet.Blockchain.Renderers.Debug.RecordingActionRenderer<T>.UnrenderAction(Libplanet.Action.IAction, Libplanet.Action.IActionContext, Libplanet.Action.IAccountStateDelta)

Remarks

As a rule of thumb, this should be the inverse of RenderAction(IAction, IActionContext, IAccountStateDelta) method with redrawing the graphics on the display at the finish.

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UnrenderActionError(IAction, IActionContext, Exception)

Does the similar things to UnrenderAction(IAction, IActionContext, IAccountStateDelta), except that this method is invoked when action has terminated with an exception.

This method takes the equivalent arguments to RenderActionError(IAction, IActionContext, Exception) method.

Declaration

public override void UnrenderActionError(IAction action, IActionContext context, Exception exception)

Parameters

Type	Name	Description
IAction	action	An action which threw an exception during execution.
IActionContext	context	The equivalent context object to an object passed to the `action`'s Execute(IActionContext) method. That means PreviousStates are the states right before this action executed.
Exception	exception	The exception thrown during executing the `action`.

Overrides

Libplanet.Blockchain.Renderers.Debug.RecordingActionRenderer<T>.UnrenderActionError(Libplanet.Action.IAction, Libplanet.Action.IActionContext, System.Exception)

Remarks

The reason why the parameter action takes IAction instead of T is because it can take block actions (BlockAction) besides transaction actions (Actions).

Implements

IActionRenderer<T>

IRenderer<T>