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Merged
yordis merged 1 commit into from
Feb 12, 2026
Merged

feat: add stream prefix options.proto #32

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6 changes: 5 additions & 1 deletion docs/explanation/protobuf-extension-naming.md
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Original file line number Diff line number Diff line change
Expand Up @@ -86,7 +86,8 @@ Claim your extension numbers here to prevent conflicts:
| 870001 | trogon.uuid.v1 | google.protobuf.EnumOptions |
| 870002 | trogon.uuid.v1 | google.protobuf.EnumValueOptions |
| 870010 | trogon.object_id.v1alpha1 | google.protobuf.EnumValueOptions |
| 870011–870999 | *Available* | — |
| 870011 | trogon.stream.v1alpha1 | google.protobuf.EnumValueOptions |
| 870012–870999 | *Available* | — |

## Examples in This Repo

Expand All @@ -99,6 +100,9 @@ trogon/uuid/v1/options.proto

trogon/object_id/v1alpha1/options.proto
└─ EnumValueOptions { object_type, separator } → enum_value (870010)

trogon/stream/v1alpha1/options.proto
└─ EnumValueOptions { prefix, separator } → enum_value (870011)
```

## Field Number Ranges
Expand Down
39 changes: 39 additions & 0 deletions proto/trogon/stream/v1alpha1/options.proto
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Original file line number Diff line number Diff line change
@@ -0,0 +1,39 @@
syntax = "proto3";
package trogon.stream.v1alpha1;

import "elixirpb.proto";
import "google/protobuf/descriptor.proto";

option (elixirpb.file).module_prefix = "TrogonProto.Stream.V1Alpha1";

// EnumValueOptions defines enum-value-level options for stream identity prefixes.
message EnumValueOptions {
// The stream prefix for this aggregate (e.g., "order", "account", "fanid").
string prefix = 1;

// Separator between prefix and identity value. Defaults to ":" if not set.
optional string separator = 2;
}

extend google.protobuf.EnumValueOptions {
// enum_value specifies the stream identity prefix for an enum value.
//
// Example usage:
//
// // acme/type/v1/stream_prefix.proto
// syntax = "proto3";
// package acme.type.v1;
//
// import "trogon/stream/v1alpha1/options.proto";
//
// enum StreamPrefix {
// STREAM_PREFIX_UNSPECIFIED = 0;
// STREAM_PREFIX_ORDER = 1 [(trogon.stream.v1alpha1.enum_value).prefix = "order"];
// STREAM_PREFIX_ACCOUNT = 2 [(trogon.stream.v1alpha1.enum_value) = {
// prefix: "account",
// separator: "-"
// }];
// }
//
optional EnumValueOptions enum_value = 870011;
}