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Align component target naming with monitoring API #295

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10 changes: 9 additions & 1 deletion RELEASE_NOTES.md
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Expand Up @@ -2,4 +2,12 @@

## Summary

This is the v1.0.0 release. It is equivalent to v1.0.0-rc3 and introduces a period of API stabilization.
## What's Changed

* Renamed component target message types and fields for consistency with monitoring API:
* `IdSet` → `ElectricalComponentIdSelector`
* `CategorySet` → `ElectricalComponentCategorySelectorDeprecated`
* `CategoryTypeSet` → `ElectricalComponentCategorySelector`
* `CategoryAndType` → `ComponentCategory`
* `component_categories` → `component_categories_deprecated` (deprecated field)
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@llucax llucax Nov 19, 2025

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Why the renaming here, just to make it more explicit that it is deprecated? This will make it a breaking change in the generated code (even if the wire format stays compatible).

I guess since we are introducing many breaking changes to the generated code it is not a big deal, but I still wonder...

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@Marenz Marenz Nov 19, 2025

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I mean, all changes of this PR will break the generated code-dependent projects, unfortunately, yes.
And All changes are only for syncing/better understandability.

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@thomas-nicolai-frequenz thomas-nicolai-frequenz Nov 20, 2025

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I don't think we should worry much about breaking changes at this point in time. Better now than later.

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@llucax llucax Nov 21, 2025

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Yeah, not a big issue, we can also deal with the breaking change at other level of the python abstraction.

Still for me it sounds weird to document a field is deprecated in the field name, there is even a protobuf way to do it: int32 old_field = 6 [deprecated = true]; (not sure what the effect is on generated code though.

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@thomas-nicolai-frequenz thomas-nicolai-frequenz Nov 22, 2025

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Still for me it sounds weird to document a field is deprecated in the field name, there is even a protobuf way to do it: int32 old_field = 6 [deprecated = true]; (not sure what the effect is on generated code though.

Yeah agreed. We could also release a new version if required. Otherwise I'd suggest to just remove the field after all.

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@ktickner ktickner Nov 24, 2025

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I think the point is less to document the deprecation, and more to release the property name to be used by the updated API

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@ktickner ktickner Nov 24, 2025

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evidenced by the fact that Marenz is using the deprecated option already

* `component_categories_types` → `component_categories`
20 changes: 10 additions & 10 deletions proto/frequenz/api/dispatch/v1/dispatch.proto
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Expand Up @@ -388,13 +388,13 @@ message DispatchFilter {
message TargetComponents {
// Wrapper for controlling dispatches with a set of component IDs
// Required as we can't use `repeated` directly in a `oneof`
message IdSet {
message ElectricalComponentIdSelector {
// Set of component IDs
repeated uint64 ids = 1;
}

// Deprecated: Use `CategoryTypeSet` instead
message CategorySet {
// Deprecated: Use `ElectricalComponentCategorySelector` instead
message ElectricalComponentCategorySelectorDeprecated {
option deprecated = true;
// Set of component categories
repeated frequenz.api.common.v1alpha8.microgrid.electrical_components
Expand All @@ -403,15 +403,15 @@ message TargetComponents {

// Wrapper for controlling dispatches with a set of component categories and optional types
// Required as we can't use `repeated` directly in a `oneof`
message CategoryTypeSet {
message ElectricalComponentCategorySelector {
// Set of component categories
repeated CategoryAndType categories = 1;
repeated ComponentCategory categories = 1;
}

// A tuple of a required category and an optional type
// If a type is specified, it must be a valid type for the given category and
// only components of that type will be targeted.
message CategoryAndType {
message ComponentCategory {
// The category of the target component (required)
frequenz.api.common.v1alpha8.microgrid.electrical_components
.ElectricalComponentCategory category = 1;
Expand All @@ -437,15 +437,15 @@ message TargetComponents {

oneof components {
// Set of component IDs
IdSet component_ids = 1;
ElectricalComponentIdSelector component_ids = 1;

// Deprecated: Component categories
// Use `CategoryTypeSet` instead
// Use `ElectricalComponentCategorySelector` instead
// In future versions, this field will be removed.
CategorySet component_categories = 2 [deprecated = true];
ElectricalComponentCategorySelectorDeprecated component_categories_deprecated = 2 [deprecated = true];

// Component categories with optional types
CategoryTypeSet component_categories_types = 3;
ElectricalComponentCategorySelector component_categories = 3;
}
}

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