Shuttle.Recall.EFCore.SqlServer.Storage

PM> Install-Package Shuttle.Recall.EFCore.SqlServer.Storage

An Entity Framework Core Sql Server implementation of the Shuttle.Recall event sourcing dependencies.

Configuration

services.AddSqlServerEventStorage(builder => {
    builder.UseSqlServer();
});

Database

IKeyStore

You are bound to run into situations where you have a business or other key that is required to be unique. Given that the IEventStore makes use of only surrogate keys the IKeyStore is used to create a unique list of keys associated with a given aggregate identifier.

Since the keys used in the key store have to be unique you should ensure that they contain enough information to be unique and have the intended meaning.

A key could be something such as [order-number]:ord-001/2016, [customer-onboarding]:id-number=0000005555089, or [system-name/profile]:672cda1c-c3ec-4f81-a577-e64f9f14e141.

Contains

bool Contains(string key);

Returns true if the given key has an associated aggregate identifier.

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bool Contains(Guid id);

Returns true if the given id is present in the key store.

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Get

Guid? Get(string key);

Returns the Guid associated with the given key; else null.

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Remove

void Remove(string key);
void Remove(Guid id);

When specifying the key the assocation with the identifier will be removed. When specifying the id all keys associated with the given id will be removed.

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Add

void Add(Guid id, string key);

Creates an association between the id and the key.

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Add

void Rekey(string key, string rekey);

Changes key to a new key specified by rekey.