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Nanaloveyuki
75 lines
1.8 KiB
Markdown
75 lines
1.8 KiB
Markdown
---
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name: file-sink-path
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group: api
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category: sink
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update-time: 20260613
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description: Read the configured file path used by a FileSink.
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key-word:
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- file
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- sink
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- path
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- public
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---
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## File-sink-path
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Read the configured file path used by a `FileSink`. This helper is useful for diagnostics, support output, and confirming which concrete file destination a sink is managing.
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### Interface
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```moonbit
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pub fn FileSink::path(self : FileSink) -> String {
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```
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#### input
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- `self : FileSink` - File sink whose path should be inspected.
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#### output
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- `String` - Configured file path for the sink.
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### Explanation
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Detailed rules explaining key parameters and behaviors
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- This method returns the sink's stored file path directly.
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- The path value is observation-only and does not imply current availability.
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- Closing and reopening the sink do not change this stored path.
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- This helper does not mutate sink state.
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### How to Use
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Here are some specific examples provided.
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#### When Need Direct Path Diagnostics
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When diagnostics should show which file a concrete sink is managing:
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```moonbit
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println(sink.path())
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```
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In this example, operators can verify the direct file destination without reading broader runtime state.
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#### When Build Support Output
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When application state dumps should include the configured sink path:
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```moonbit
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let path = sink.path()
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```
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In this example, the path can be surfaced without reading policy or failure counters.
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### Error Case
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e.g.:
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- If callers need to know whether the path is currently backed by an open handle, `is_available()` is the better API.
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- This helper returns the configured path even if open or reopen attempts have failed.
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### Notes
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1. Use this helper for direct file-destination visibility.
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2. It is a simple observation API and does not inspect wider sink health.
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