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A Golang reference implementation of the CQRS pattern.

License: MIT License

Go 100.00%

cqrs-pattern cqrs-es eventsourcing geteventstore

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go.cqrs's Issues

[Question] Why pass the reference to the memory address here?

👋 I am in the process of learning Go and this package is really useful resource to try to implement a solution with CQRS pattern. So, first of all, thanks for putting this out there 🙏

This is more of a question than an issue. So, apologies in advance and it may be my lack of understanding on the language as well.

Here:

go.cqrs/examples/simplecqrs/simplecqrs/inmem_repo.go

Lines 14 to 15 in b0b8fda

    
           func NewInMemoryRepo(eventBus ycq.EventBus) *InMemoryRepo { 
        
           	return &InMemoryRepo{

What is the specific reason to pass the memory address to the struct here (if I am understanding the usage of * and & correctly in this context) instead of actually pass it directly (i.e. make the return type InMemoryRepo instead of *InMemoryRepo)?

Getting started

Hi,

I've just pulled master and get the following issues.

repository_test.go:17:2: cannot find package "github.com/jetbasrawi/go.geteventstore.testfeed

Is there a file missing?

In addition, I'm getting a complaint from the interface

# github.com/jetbasrawi/go.cqrs/examples/simplecqrs/simplecqrs

examples/simplecqrs/simplecqrs/inventoryitem.go:33:29: not enough arguments in call to ycq.NewEventMessage

	have (string, *InventoryItemCreated)

	want (string, interface {}, *int)

Thanks

Paul

[Question]aggregate.OriginalVersion vs ExpectedVersion

Hi, I'm curious in which cases the expected version doesn't equal aggregate.OriginalVersion().

go.cqrs/examples/simplecqrs/simplecqrs/command_handlers.go

Line 69 in e4d812d

return h.repo.Save(item, ycq.Int(item.OriginalVersion()))

go.cqrs/examples/simplecqrs/simplecqrs/inventoryitem_repo.go

Line 94 in e4d812d

return r.repo.Save(aggregate, expectedVersion)

go.cqrs/repository.go

Line 165 in e4d812d

err := streamWriter.Append(expectedVersion, evs...)

https://github.com/jetbasrawi/go.geteventstore/blob/359416153188c8c42a27cd9a6e61e1c72ee6f3b8/streamwriter.go#L42

unfortunately, I can't imagine those cases.
Thanks in advance

jetbasrawi / go.cqrs Goto Github PK

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go.cqrs's Issues

[Question] Why pass the reference to the memory address here?

Getting started

[Question]aggregate.OriginalVersion vs ExpectedVersion

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	func NewInMemoryRepo(eventBus ycq.EventBus) *InMemoryRepo {
	return &InMemoryRepo{