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Add Support for Asynchronous Token Refresh #465

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Merged
emmyzhou-db merged 2 commits into from
Jun 18, 2025
Merged

Add Support for Asynchronous Token Refresh #465

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d544e36
Read from env var when creating refreshabletokensource
emmyzhou-db Jun 17, 2025
a1ac804
Update changelog
emmyzhou-db Jun 17, 2025
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7 changes: 6 additions & 1 deletion NEXT_CHANGELOG.md
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Expand Up @@ -3,7 +3,12 @@
## Release v0.54.0

### New Features and Improvements

* [Experimental] Add support for asynchronous token refresh ([#464](https://github.com/databricks/databricks-sdk-java/pull/465)).
Enable this feature by setting the environment variable:
```bash
export DATABRICKS_ENABLE_EXPERIMENTAL_ASYNC_TOKEN_REFRESH=true
```
Note: This feature and its configuration are experimental and may be removed in future releases.
### Bug Fixes

### Documentation
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3 changes: 2 additions & 1 deletion databricks-sdk-java/src/main/java/com/databricks/sdk/core/oauth/RefreshableTokenSource.java
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Expand Up @@ -45,7 +45,8 @@ protected enum TokenState {
// The current OAuth token. May be null if not yet fetched.
protected volatile Token token;
// Whether asynchronous refresh is enabled.
private boolean asyncEnabled = false;
private boolean asyncEnabled =
Boolean.parseBoolean(System.getenv("DATABRICKS_ENABLE_EXPERIMENTAL_ASYNC_TOKEN_REFRESH"));
// Duration before expiry to consider a token as 'stale'.
private Duration staleDuration = DEFAULT_STALE_DURATION;
// Additional buffer before expiry to consider a token as expired.
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