FileJournalSink

gemini_adk_rs::state

Struct FileJournalSink 

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pub struct FileJournalSink { /* private fields */ }
Expand description

Durable JournalSink writing one JSON object per line (JSONL).

Writes are buffered behind a parking_lot::Mutex and flushed at least every second and on drop. I/O errors are logged via tracing::warn! — journaling never panics a state write.

{"sequence":1,"key":"app:last_city","old":null,"new":"London","origin":"set","timestamp_ms":1718000000000,"delta":false}

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impl FileJournalSink

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pub fn create(path: impl AsRef<Path>) -> Result<Self>

Create (truncating) the journal file at path.

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pub fn flush(&self)

Flush buffered mutations to disk now.

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impl Drop for FileJournalSink

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fn drop(&mut self)

Executes the destructor for this type. Read more
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impl JournalSink for FileJournalSink

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fn write(&self, m: &StateMutation)

Persist one mutation. Must not panic; log errors internally.

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