Nachbearbeitung: Dokumentbezogene Persistenzfehler korrekt im

Batch-Ergebnis berücksichtigt

pdf-umbenenner-application/src/main/java/de/gecheckt/pdf/umbenenner/application/service/DocumentProcessingCoordinator.java

@@ -129,8 +129,10 @@ public class DocumentProcessingCoordinator {
      *                    must not be null
      * @param attemptStart the instant at which processing of this candidate began;
      *                     must not be null
+     * @return true if processing and persistence succeeded for this document, false if a
+     *         persistence failure occurred
      */
-    public void process(
+    public boolean process(
             SourceDocumentCandidate candidate,
             DocumentFingerprint fingerprint,
             DocumentProcessingOutcome outcome,
@@ -143,7 +145,7 @@ public class DocumentProcessingCoordinator {
         Objects.requireNonNull(context, "context must not be null");
         Objects.requireNonNull(attemptStart, "attemptStart must not be null");
 
-        processDeferredOutcome(candidate, fingerprint, context, attemptStart, ignored -> outcome);
+        return processDeferredOutcome(candidate, fingerprint, context, attemptStart, ignored -> outcome);
     }
 
     /**
@@ -172,8 +174,10 @@ public class DocumentProcessingCoordinator {
      *                       must not be null
      * @param pipelineExecutor functional interface that executes the extraction and pre-check
      *                         pipeline when needed; must not be null
+     * @return true if processing and persistence succeeded for this document, false if a
+     *         persistence failure occurred (lookup, attempt write, or record write)
      */
-    public void processDeferredOutcome(
+    public boolean processDeferredOutcome(
             SourceDocumentCandidate candidate,
             DocumentFingerprint fingerprint,
             BatchRunContext context,
@@ -194,16 +198,16 @@ public class DocumentProcessingCoordinator {
         if (lookupResult instanceof PersistenceLookupTechnicalFailure failure) {
             logger.error("Cannot process '{}': master record lookup failed: {}",
                     candidate.uniqueIdentifier(), failure.errorMessage());
-            return;
+            return false;
         }
 
         // Step 3: Determine the action based on the lookup result
-        switch (lookupResult) {
+        return switch (lookupResult) {
             case DocumentTerminalSuccess terminalSuccess -> {
                 // Document already successfully processed → skip
                 logger.info("Skipping '{}': already successfully processed (fingerprint: {}).",
                         candidate.uniqueIdentifier(), fingerprint.sha256Hex());
-                persistSkipAttempt(
+                yield persistSkipAttempt(
                         candidate, fingerprint, terminalSuccess.record(),
                         ProcessingStatus.SKIPPED_ALREADY_PROCESSED,
                         context, attemptStart);
@@ -213,7 +217,7 @@ public class DocumentProcessingCoordinator {
                 // Document finally failed → skip
                 logger.info("Skipping '{}': already finally failed (fingerprint: {}).",
                         candidate.uniqueIdentifier(), fingerprint.sha256Hex());
-                persistSkipAttempt(
+                yield persistSkipAttempt(
                         candidate, fingerprint, terminalFailure.record(),
                         ProcessingStatus.SKIPPED_FINAL_FAILURE,
                         context, attemptStart);
@@ -222,22 +226,24 @@ public class DocumentProcessingCoordinator {
             case DocumentUnknown ignored -> {
                 // New document – execute pipeline and process
                 DocumentProcessingOutcome outcome = pipelineExecutor.apply(candidate);
-                processAndPersistNewDocument(candidate, fingerprint, outcome, context, attemptStart);
+                yield processAndPersistNewDocument(candidate, fingerprint, outcome, context, attemptStart);
             }
 
             case DocumentKnownProcessable knownProcessable -> {
                 // Known but not terminal – execute pipeline and process
                 DocumentProcessingOutcome outcome = pipelineExecutor.apply(candidate);
-                processAndPersistKnownDocument(
+                yield processAndPersistKnownDocument(
                         candidate, fingerprint, outcome, knownProcessable.record(),
                         context, attemptStart);
             }
 
-            default ->
+            default -> {
                 // Exhaustive sealed hierarchy; this branch is unreachable
                 logger.error("Unexpected lookup result type for '{}': {}",
                         candidate.uniqueIdentifier(), lookupResult.getClass().getSimpleName());
-        }
+                yield false;
+            }
+        };
     }
 
     // -------------------------------------------------------------------------
@@ -257,8 +263,9 @@ public class DocumentProcessingCoordinator {
      *                     or {@link ProcessingStatus#SKIPPED_FINAL_FAILURE})
      * @param context      the current batch run context
      * @param attemptStart the start instant of this processing attempt
+     * @return true if persistence succeeded, false if a persistence exception occurred
      */
-    private void persistSkipAttempt(
+    private boolean persistSkipAttempt(
             SourceDocumentCandidate candidate,
             DocumentFingerprint fingerprint,
             DocumentRecord existingRecord,
@@ -293,10 +300,12 @@ public class DocumentProcessingCoordinator {
 
             logger.debug("Skip attempt #{} persisted for '{}' with status {}.",
                     attemptNumber, candidate.uniqueIdentifier(), skipStatus);
+            return true;
 
         } catch (DocumentPersistenceException e) {
             logger.error("Failed to persist skip attempt for '{}': {}",
                     candidate.uniqueIdentifier(), e.getMessage(), e);
+            return false;
         }
     }
 
@@ -305,7 +314,7 @@ public class DocumentProcessingCoordinator {
     // -------------------------------------------------------------------------
 
     /** Maps the pipeline outcome for a new document and persists attempt + new master record. */
-    private void processAndPersistNewDocument(
+    private boolean processAndPersistNewDocument(
             SourceDocumentCandidate candidate,
             DocumentFingerprint fingerprint,
             DocumentProcessingOutcome pipelineOutcome,
@@ -315,7 +324,7 @@ public class DocumentProcessingCoordinator {
         Instant now = Instant.now();
         ProcessingOutcomeTransition.ProcessingOutcome outcome = mapOutcomeForNewDocument(pipelineOutcome);
         DocumentRecord newRecord = buildNewDocumentRecord(fingerprint, candidate, outcome, now);
-        persistAttemptAndRecord(candidate, fingerprint, context, attemptStart, now, outcome,
+        return persistAttemptAndRecord(candidate, fingerprint, context, attemptStart, now, outcome,
                 txOps -> txOps.createDocumentRecord(newRecord));
     }
 
@@ -324,7 +333,7 @@ public class DocumentProcessingCoordinator {
     // -------------------------------------------------------------------------
 
     /** Maps the pipeline outcome for a known document and persists attempt + updated master record. */
-    private void processAndPersistKnownDocument(
+    private boolean processAndPersistKnownDocument(
             SourceDocumentCandidate candidate,
             DocumentFingerprint fingerprint,
             DocumentProcessingOutcome pipelineOutcome,
@@ -335,7 +344,7 @@ public class DocumentProcessingCoordinator {
         Instant now = Instant.now();
         ProcessingOutcomeTransition.ProcessingOutcome outcome = mapOutcomeForKnownDocument(pipelineOutcome, existingRecord.failureCounters());
         DocumentRecord updatedRecord = buildUpdatedDocumentRecord(existingRecord, candidate, outcome, now);
-        persistAttemptAndRecord(candidate, fingerprint, context, attemptStart, now, outcome,
+        return persistAttemptAndRecord(candidate, fingerprint, context, attemptStart, now, outcome,
                 txOps -> txOps.updateDocumentRecord(updatedRecord));
     }
 
@@ -440,8 +449,10 @@ public class DocumentProcessingCoordinator {
      * {@code recordWriter} performs either {@code createDocumentRecord} or
      * {@code updateDocumentRecord} depending on whether the document is new or known.
      * All persistence failures are caught and logged; the batch run continues.
+     *
+     * @return true if persistence succeeded, false if a persistence exception occurred
      */
-    private void persistAttemptAndRecord(
+    private boolean persistAttemptAndRecord(
             SourceDocumentCandidate candidate,
             DocumentFingerprint fingerprint,
             BatchRunContext context,
@@ -465,10 +476,12 @@ public class DocumentProcessingCoordinator {
                     outcome.overallStatus(),
                     outcome.counters().contentErrorCount(),
                     outcome.counters().transientErrorCount());
+            return true;
 
         } catch (DocumentPersistenceException e) {
             logger.error("Failed to persist processing result for '{}': {}",
                     candidate.uniqueIdentifier(), e.getMessage(), e);
+            return false;
         }
     }
 

pdf-umbenenner-application/src/main/java/de/gecheckt/pdf/umbenenner/application/usecase/DefaultBatchRunProcessingUseCase.java

@@ -158,9 +158,14 @@ public class DefaultBatchRunProcessingUseCase implements BatchRunProcessingUseCa
 
     /**
      * Loads candidates and processes them one by one.
+     * <p>
+     * Tracks whether any document-level persistence failures occur during processing.
+     * A persistence failure for a single document causes the overall batch outcome
+     * to be FAILURE instead of SUCCESS.
      *
      * @param context the current batch run context
-     * @return SUCCESS if all candidates were processed, FAILURE if source access fails
+     * @return SUCCESS if all candidates were processed without persistence failures,
+     *         FAILURE if source access fails or any document-level persistence failure occurred
      */
     private BatchRunOutcome processCandidates(BatchRunContext context) {
         List<SourceDocumentCandidate> candidates;
@@ -172,13 +177,24 @@ public class DefaultBatchRunProcessingUseCase implements BatchRunProcessingUseCa
         }
         logger.info("Found {} PDF candidate(s) in source folder.", candidates.size());
 
+        // Track whether any document-level persistence failures occurred
+        boolean anyPersistenceFailure = false;
+
         // Process each candidate
         for (SourceDocumentCandidate candidate : candidates) {
-            processCandidate(candidate, context);
+            if (!processCandidate(candidate, context)) {
+                anyPersistenceFailure = true;
+            }
         }
 
         logger.info("Batch run completed. Processed {} candidate(s). RunId: {}",
                 candidates.size(), context.runId());
+
+        if (anyPersistenceFailure) {
+            logger.warn("Batch run completed with document-level persistence failure(s).");
+            return BatchRunOutcome.FAILURE;
+        }
+
         return BatchRunOutcome.SUCCESS;
     }
 
@@ -209,7 +225,7 @@ public class DefaultBatchRunProcessingUseCase implements BatchRunProcessingUseCa
      *   <li>Record the attempt start instant.</li>
      *   <li>Compute the SHA-256 fingerprint of the candidate file content.</li>
      *   <li>If fingerprint computation fails: log as non-identifiable run event and
-     *       return — no SQLite record is created.</li>
+     *       return true — no SQLite record is created, but no persistence failure occurred.</li>
      *   <li>Load document master record.</li>
      *   <li>If already {@code SUCCESS} → persist skip attempt with
      *       {@code SKIPPED_ALREADY_PROCESSED}.</li>
@@ -226,21 +242,23 @@ public class DefaultBatchRunProcessingUseCase implements BatchRunProcessingUseCa
      *
      * @param candidate the candidate to process
      * @param context   the current batch run context
+     * @return true if the candidate was processed without persistence failures (fingerprint
+     *         errors return true; persistence failures return false)
      */
-    private void processCandidate(SourceDocumentCandidate candidate, BatchRunContext context) {
+    private boolean processCandidate(SourceDocumentCandidate candidate, BatchRunContext context) {
         logger.debug("Processing candidate: {}", candidate.uniqueIdentifier());
 
         Instant attemptStart = Instant.now();
         FingerprintResult fingerprintResult = fingerprintPort.computeFingerprint(candidate);
 
-        switch (fingerprintResult) {
+        return switch (fingerprintResult) {
             case FingerprintTechnicalError fingerprintError -> {
                 handleFingerprintError(candidate, fingerprintError);
+                yield true;  // fingerprint errors are not persistence failures
             }
-            case FingerprintSuccess fingerprintSuccess -> {
+            case FingerprintSuccess fingerprintSuccess ->
                 handleFingerprintSuccess(candidate, fingerprintSuccess, context, attemptStart);
-            }
+        };
-        }
     }
 
     /**
@@ -264,8 +282,9 @@ public class DefaultBatchRunProcessingUseCase implements BatchRunProcessingUseCa
      * @param fingerprintSuccess the successful fingerprint result
      * @param context the batch run context
      * @param attemptStart the instant when processing started
+     * @return true if processing and persistence succeeded, false if a persistence failure occurred
      */
-    private void handleFingerprintSuccess(
+    private boolean handleFingerprintSuccess(
             SourceDocumentCandidate candidate,
             FingerprintSuccess fingerprintSuccess,
             BatchRunContext context,
@@ -274,7 +293,7 @@ public class DefaultBatchRunProcessingUseCase implements BatchRunProcessingUseCa
         logger.debug("Fingerprint computed for '{}': {}",
                 candidate.uniqueIdentifier(), fingerprint.sha256Hex());
 
-        documentProcessingCoordinator.processDeferredOutcome(
+        return documentProcessingCoordinator.processDeferredOutcome(
             candidate,
             fingerprint,
             context,

pdf-umbenenner-application/src/test/java/de/gecheckt/pdf/umbenenner/application/usecase/BatchRunProcessingUseCaseTest.java

@@ -424,6 +424,98 @@ class BatchRunProcessingUseCaseTest {
         assertEquals(3, processor.processCallCount(), "processor should be called once per candidate");
     }
 
+    // -------------------------------------------------------------------------
+    // Document-level persistence failure handling
+    // -------------------------------------------------------------------------
+
+    /**
+     * Regression test: when a document-level persistence failure occurs,
+     * the batch outcome must be FAILURE, not SUCCESS.
+     */
+    @Test
+    void execute_documentPersistenceFailure_batchOutcomeIsFailure() throws Exception {
+        MockRunLockPort lockPort = new MockRunLockPort();
+        RuntimeConfiguration config = buildConfig(tempDir);
+
+        SourceDocumentCandidate candidate = makeCandidate("document.pdf");
+        PdfExtractionSuccess success = new PdfExtractionSuccess("Invoice text", new PdfPageCount(1));
+        FixedCandidatesPort candidatesPort = new FixedCandidatesPort(List.of(candidate));
+        FixedExtractionPort extractionPort = new FixedExtractionPort(success);
+
+        // Use a coordinator that always fails persistence
+        DocumentProcessingCoordinator failingProcessor = new DocumentProcessingCoordinator(
+                new NoOpDocumentRecordRepository(), new NoOpProcessingAttemptRepository(),
+                new NoOpUnitOfWorkPort(), new NoOpProcessingLogger()) {
+            @Override
+            public boolean processDeferredOutcome(
+                    de.gecheckt.pdf.umbenenner.domain.model.SourceDocumentCandidate candidate,
+                    de.gecheckt.pdf.umbenenner.domain.model.DocumentFingerprint fingerprint,
+                    de.gecheckt.pdf.umbenenner.domain.model.BatchRunContext context,
+                    java.time.Instant attemptStart,
+                    java.util.function.Function<de.gecheckt.pdf.umbenenner.domain.model.SourceDocumentCandidate, de.gecheckt.pdf.umbenenner.domain.model.DocumentProcessingOutcome> pipelineExecutor) {
+                // Always report persistence failure
+                return false;
+            }
+        };
+
+        DefaultBatchRunProcessingUseCase useCase = buildUseCase(
+                config, lockPort, candidatesPort, extractionPort,
+                new AlwaysSuccessFingerprintPort(), failingProcessor);
+        BatchRunContext context = new BatchRunContext(new RunId("persist-fail"), Instant.now());
+
+        BatchRunOutcome outcome = useCase.execute(context);
+
+        assertTrue(outcome.isFailure(), "Document persistence failure should yield FAILURE outcome");
+        assertFalse(outcome.isSuccess(), "Batch must not succeed when document persistence failed");
+    }
+
+    /**
+     * Regression test: mixed batch where one document succeeds and one has persistence failure.
+     * The batch outcome must be FAILURE due to the persistence failure.
+     */
+    @Test
+    void execute_mixedBatch_oneCandidateSuccess_oneDocumentPersistenceFails_batchIsFailure() throws Exception {
+        MockRunLockPort lockPort = new MockRunLockPort();
+        RuntimeConfiguration config = buildConfig(tempDir);
+
+        SourceDocumentCandidate goodCandidate = makeCandidate("good.pdf");
+        SourceDocumentCandidate failCandidate = makeCandidate("fails.pdf");
+
+        PdfExtractionSuccess success = new PdfExtractionSuccess("Invoice text", new PdfPageCount(1));
+        FixedCandidatesPort candidatesPort = new FixedCandidatesPort(List.of(goodCandidate, failCandidate));
+        FixedExtractionPort extractionPort = new FixedExtractionPort(success);
+
+        // Coordinator that succeeds for first document, fails persistence for second
+        DocumentProcessingCoordinator selectiveFailingProcessor = new DocumentProcessingCoordinator(
+                new NoOpDocumentRecordRepository(), new NoOpProcessingAttemptRepository(),
+                new NoOpUnitOfWorkPort(), new NoOpProcessingLogger()) {
+            private int callCount = 0;
+
+            @Override
+            public boolean processDeferredOutcome(
+                    de.gecheckt.pdf.umbenenner.domain.model.SourceDocumentCandidate candidate,
+                    de.gecheckt.pdf.umbenenner.domain.model.DocumentFingerprint fingerprint,
+                    de.gecheckt.pdf.umbenenner.domain.model.BatchRunContext context,
+                    java.time.Instant attemptStart,
+                    java.util.function.Function<de.gecheckt.pdf.umbenenner.domain.model.SourceDocumentCandidate, de.gecheckt.pdf.umbenenner.domain.model.DocumentProcessingOutcome> pipelineExecutor) {
+                callCount++;
+                // First document succeeds, second fails persistence
+                return callCount == 1;
+            }
+        };
+
+        DefaultBatchRunProcessingUseCase useCase = buildUseCase(
+                config, lockPort, candidatesPort, extractionPort,
+                new AlwaysSuccessFingerprintPort(), selectiveFailingProcessor);
+        BatchRunContext context = new BatchRunContext(new RunId("mixed-persist-fail"), Instant.now());
+
+        BatchRunOutcome outcome = useCase.execute(context);
+
+        assertTrue(outcome.isFailure(),
+                "Batch must fail when any document has a persistence failure, even if others succeeded");
+        assertFalse(outcome.isSuccess(), "Cannot be SUCCESS when persistence failed for any document");
+    }
+
     // -------------------------------------------------------------------------
     // Helpers
     // -------------------------------------------------------------------------
@@ -615,7 +707,7 @@ class BatchRunProcessingUseCaseTest {
         }
 
         @Override
-        public void process(
+        public boolean process(
                 de.gecheckt.pdf.umbenenner.domain.model.SourceDocumentCandidate candidate,
                 de.gecheckt.pdf.umbenenner.domain.model.DocumentFingerprint fingerprint,
                 de.gecheckt.pdf.umbenenner.domain.model.DocumentProcessingOutcome outcome,
@@ -623,11 +715,11 @@ class BatchRunProcessingUseCaseTest {
                 java.time.Instant attemptStart) {
             processCallCount++;
             // Delegate to super so the real logic runs (with no-op repos)
-            super.process(candidate, fingerprint, outcome, context, attemptStart);
+            return super.process(candidate, fingerprint, outcome, context, attemptStart);
         }
 
         @Override
-        public void processDeferredOutcome(
+        public boolean processDeferredOutcome(
                 de.gecheckt.pdf.umbenenner.domain.model.SourceDocumentCandidate candidate,
                 de.gecheckt.pdf.umbenenner.domain.model.DocumentFingerprint fingerprint,
                 de.gecheckt.pdf.umbenenner.domain.model.BatchRunContext context,
@@ -635,7 +727,7 @@ class BatchRunProcessingUseCaseTest {
                 java.util.function.Function<de.gecheckt.pdf.umbenenner.domain.model.SourceDocumentCandidate, de.gecheckt.pdf.umbenenner.domain.model.DocumentProcessingOutcome> pipelineExecutor) {
             processCallCount++;
             // Delegate to super so the real logic runs (with no-op repos)
-            super.processDeferredOutcome(candidate, fingerprint, context, attemptStart, pipelineExecutor);
+            return super.processDeferredOutcome(candidate, fingerprint, context, attemptStart, pipelineExecutor);
         }
 
         int processCallCount() { return processCallCount; }