External Storage Integration: Lazy resolving references, general refactoring by cconstable · Pull Request #3016 · temporalio/sdk-java

refactor(extstore): general extstore refactoring. rename MessageTransformer to ExternalStorage, create a lazy extstore resolving data converter.

cconstable

committed

0a0498e

refactor(extstore): move external storage to data converter and rename to match other sdks.

cconstable

committed

9a33f25

refactor(extstore): stop threading the external storage runner through to workers. we've got the dataconverter already so we can just derive it where its needed.

cconstable

committed

203da7c

Update ExternalStorageNotConfiguredException to refer to correct API for configuring external storage.

cconstable

committed

036780a

Add new ExternalStorageUnhandledReferenceException for when a reference payload makes it to fromPayload without being retrieved. This is a guard against SDK features that fail or fail to correctly …

cconstable

committed

691cc6b

lint: fix whitespace formatting issue

cconstable

committed

3fae1c4

address PR feedback

cconstable

committed

2af1442

refactor(extstore): move external storage from data converter to workflow client options

cconstable

committed

cfa7073

remove isReference check from data converter. while adding a check to make sure users don't see a misleading error is nice it could also cause some nondeterminism if we fix the error and came with …

cconstable

committed

3109071

remove unused tests and code

cconstable

committed

3380b5c

small fixes

cconstable

committed

4b10016

move ExternalStorageDataConverter to foundation PR.

cconstable

committed

985c6af

Update temporal-sdk/src/main/java/io/temporal/client/WorkflowClientOptions.java

cconstable

and

jmaeagle99

committed

612aef1

address naming feedback and override a few more methods on ExternalStorageDataConverter.

cconstable

committed

5398642

add comment to WorkflowClientOptions warning that external storage is a no-op until we've fully integrated it.

cconstable

committed

0e78cd3

javadoc update

cconstable

committed

0d0e5cf

update tests

cconstable

committed

504467c

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External Storage Integration: Lazy resolving references, general refactoring - #3016

External Storage Integration: Lazy resolving references, general refactoring#3016
cconstable merged 17 commits into
mainfrom
extstore/foundation

Commits on Aug 28, 2026

refactor(extstore): general extstore refactoring. rename MessageTransformer to ExternalStorage, create a lazy extstore resolving data converter.

refactor(extstore): move external storage to data converter and rename to match other sdks.

refactor(extstore): stop threading the external storage runner through to workers. we've got the dataconverter already so we can just derive it where its needed.

Update ExternalStorageNotConfiguredException to refer to correct API for configuring external storage.

Add new ExternalStorageUnhandledReferenceException for when a reference payload makes it to fromPayload without being retrieved. This is a guard against SDK features that fail or fail to correctly …

lint: fix whitespace formatting issue

address PR feedback

refactor(extstore): move external storage from data converter to workflow client options

remove isReference check from data converter. while adding a check to make sure users don't see a misleading error is nice it could also cause some nondeterminism if we fix the error and came with …

remove unused tests and code

small fixes

move ExternalStorageDataConverter to foundation PR.

Update temporal-sdk/src/main/java/io/temporal/client/WorkflowClientOptions.java

address naming feedback and override a few more methods on ExternalStorageDataConverter.

add comment to WorkflowClientOptions warning that external storage is a no-op until we've fully integrated it.

javadoc update

update tests