Add per-builder build events to IResourceChangeEvent
维护者通常 1 天内回复
还没有人认领这个 Issue。
评估
调研方向
首先定位 IResourceChangeEvent 以及 resources framework 中现有的 workspace PRE_BUILD/POST_BUILD dispatch。跟踪 builder 执行如何暴露 project、builder identity、build kind 和 timing，然后验证新的 per-builder events 嵌套在 workspace events 中，并保留所述的兼容性和无 listener 时的行为。
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描述
Summary
Today the resources framework only fires workspace-level PRE_BUILD and POST_BUILD events.
Listeners learn that a build ran and get the aggregated delta, but they cannot see which builder ran, on which project, for which build kind, or how long each individual builder took.
This proposes two new event types, PRE_PROJECT_BUILD and POST_PROJECT_BUILD, fired once per builder execution and nested inside the surrounding workspace PRE_BUILD/POST_BUILD pair.
Benefits:
- Per-builder profiling. Tools can attribute build time to a specific builder and project instead of a single opaque workspace total, making it easy to spot the slow builder in a large reactor.
- Monitoring and diagnostics tooling. The granularity enables build-monitor views and telemetry that show the real build sequence, which the aggregate events cannot support.
Performance impact
Negligible by default.
When no listener is registered, dispatch is a single hasListenerFor bitmask check per event with no allocation, so normal builds are unaffected.
The per-builder path also skips resource-delta computation entirely, so even with a listener attached the added work is cheap metadata dispatch (project, builder id, build kind) rather than tree/delta building.
Compatibility
The change is a binary-compatible API addition (new int constants plus a default method), so existing listeners are unaffected.
- 主要语言
- Java
- 星标
- 165
- 派生
- 174
- 平均合并
- 3 天 6 小时
- 30 天内合并 PR
- 44
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- 提交 Pull Request，并在描述里引用这个 Issue 编号。
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