arne-bdt opened a new pull request, #3970:
URL: https://github.com/apache/jena/pull/3970
GitHub issue resolved #3969
Pull request Description:
**PR description**
Replaces the `find()`-wrapping default with native streaming across the
`DatasetGraph` hierarchy.
- `DatasetGraphBaseFind`: `stream()` path (`streamNG` / `streamAny` /
`streamQuadsInUnionGraph`) mirroring `find()`, backed by new primitives
`streamInDftGraph` / `streamInSpecificNamedGraph` / `streamInAnyNamedGraphs`,
implemented by each dataset (in-memory, map, one, null, collection, buffering,
dyadic, ordered, storage, TDB1).
- `GraphView.stream(...)` routes graph-over-dataset access through
`DatasetGraph#stream`.
- New `G` stream helpers (`quads2triples`, `triples2quads`,
`triples2quadsDftGraph`).
- `IteratorTxnTracker.forEachRemaining` now checks the transaction, keeping
stream bulk operations (`forEach`/`count`/`collect`) inside their originating
transaction.
**Compatibility:** `DatasetGraph.stream(g,s,p,o)` remains a `default` method
— no break for external implementors.
**Tests:** `stream()==find()` parity across access patterns for the
in-memory / map / one / filtered-view / storage / TDB1 datasets and
`GraphView`, plus buffered-overlay parity tests for `BufferingDatasetGraph`.
---
**AI Disclaimer**
The productive code is written by hand, only with AI assisted code
completion.
Most of the new tests is written by an AI Coding asisstant.
Issue description, PR description and commit comment is AI generated.
----
- [x] Tests are included.
- [x] Commits have been squashed to remove intermediate development commit
messages.
- [x] Key commit messages start with the issue number (GH-xxxx)
By submitting this pull request, I acknowledge that I am making a
contribution to the Apache Software Foundation under the terms and conditions
of the [Contributor's
Agreement](https://www.apache.org/licenses/contributor-agreements.html).
----
See the [Apache Jena "Contributing"
guide](https://github.com/apache/jena/blob/main/CONTRIBUTING.md).
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