part5polymorphic: add F05-F08 (default typing modes, type validation, sealed hierarchies, unknown subtypes) for the rewritten polymorphism post (#59)

Co-Authored-By: Claude Sonnet 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01JXVi2GMQ7bR5EmbUFdDj7N
2026-10-09 10:35:38 +00:00
parent 84070a8dfb
commit b1663c235d
9 changed files with 277 additions and 3 deletions
@@ -18,7 +18,7 @@ Maven              3.9.9
 ```bash
 git clone https://ankurm.com/git.app/asmhatre/jackson3-by-example.git
 cd jackson3-by-example
-./run-all.sh                       # compiles, runs all 39 examples, refreshes docs/output/
+./run-all.sh                       # compiles, runs all 43 examples, refreshes docs/output/
 ```

 Or run any single example:
@@ -37,7 +37,7 @@ mvn -q exec:java -Dexec.mainClass=com.ankurm.jackson3.part5polymorphic.F01Serial
 | [Records, Optionals, Sealed](https://ankurm.com/jackson-java-records-optionals/) | [`part2modernjava`](src/main/java/com/ankurm/jackson3/part2modernjava) | [C01](src/main/java/com/ankurm/jackson3/part2modernjava/C01RecordRoundTrip.java) [C02](src/main/java/com/ankurm/jackson3/part2modernjava/C02OptionalFields.java) [C03](src/main/java/com/ankurm/jackson3/part2modernjava/C03SealedWithSubTypes.java) [C04](src/main/java/com/ankurm/jackson3/part2modernjava/C04SealedAutoDiscovery.java) | [write-up](docs/part2-modern-java.md) |
 | [Annotations Cheat Sheet](https://ankurm.com/jackson-annotations-guide/) | [`part3annotations`](src/main/java/com/ankurm/jackson3/part3annotations) | [D01](src/main/java/com/ankurm/jackson3/part3annotations/D01RenameAndIgnore.java) [D02](src/main/java/com/ankurm/jackson3/part3annotations/D02InclusionAndFormat.java) [D03](src/main/java/com/ankurm/jackson3/part3annotations/D03AliasAndUnknownFields.java) [D04](src/main/java/com/ankurm/jackson3/part3annotations/D04CreatorsAndUnwrapping.java) | [write-up](docs/part3-annotations.md) |
 | [Custom Serialisers & Mix-ins](https://ankurm.com/jackson-custom-serializer-mixin/) | [`part4custom`](src/main/java/com/ankurm/jackson3/part4custom) | [E01](src/main/java/com/ankurm/jackson3/part4custom/E01MoneyValueSerializer.java) [E02](src/main/java/com/ankurm/jackson3/part4custom/E02MoneyValueDeserializer.java) [E03](src/main/java/com/ankurm/jackson3/part4custom/E03SimpleModuleRegistration.java) [E04](src/main/java/com/ankurm/jackson3/part4custom/E04MixinAnnotations.java) [E05](src/main/java/com/ankurm/jackson3/part4custom/E05ValueSerializerDirect.java) [E06](src/main/java/com/ankurm/jackson3/part4custom/E06ValueDeserializerDirect.java) [E07](src/main/java/com/ankurm/jackson3/part4custom/E07MixinOnRecord.java) | [write-up](docs/part4-custom.md) (now superseded by the rewritten post itself — see below) |
-| [Polymorphic Deserialisation](https://ankurm.com/jackson-polymorphic-deserialization/) | [`part5polymorphic`](src/main/java/com/ankurm/jackson3/part5polymorphic) | [F01](src/main/java/com/ankurm/jackson3/part5polymorphic/F01SerialiseMixedList.java) [F02](src/main/java/com/ankurm/jackson3/part5polymorphic/F02DeserialiseMixedList.java) [F03](src/main/java/com/ankurm/jackson3/part5polymorphic/F03IncludeStrategies.java) [F04](src/main/java/com/ankurm/jackson3/part5polymorphic/F04UnknownTypeId.java) | [write-up](docs/part5-polymorphic.md) |
+| [Polymorphic Deserialisation](https://ankurm.com/jackson-polymorphic-deserialization/) | [`part5polymorphic`](src/main/java/com/ankurm/jackson3/part5polymorphic) | [F01](src/main/java/com/ankurm/jackson3/part5polymorphic/F01SerialiseMixedList.java) [F02](src/main/java/com/ankurm/jackson3/part5polymorphic/F02DeserialiseMixedList.java) [F03](src/main/java/com/ankurm/jackson3/part5polymorphic/F03IncludeStrategies.java) [F04](src/main/java/com/ankurm/jackson3/part5polymorphic/F04UnknownTypeId.java) [F05](src/main/java/com/ankurm/jackson3/part5polymorphic/F05DefaultTypingModes.java) [F06](src/main/java/com/ankurm/jackson3/part5polymorphic/F06TypeValidation.java) [F07](src/main/java/com/ankurm/jackson3/part5polymorphic/F07SealedHierarchies.java) [F08](src/main/java/com/ankurm/jackson3/part5polymorphic/F08UnknownSubtypes.java) | [write-up](docs/part5-polymorphic.md) (F01–F04; F05–F08 are explained in the rewritten post, output in `docs/output/`) |
 | [Streaming API & JsonNode](https://ankurm.com/jackson-streaming-api-jsonnode/) | [`part6streaming`](src/main/java/com/ankurm/jackson3/part6streaming) | [G01](src/main/java/com/ankurm/jackson3/part6streaming/G01StreamingParserFilter.java) [G02](src/main/java/com/ankurm/jackson3/part6streaming/G02StreamingGenerator.java) [G03](src/main/java/com/ankurm/jackson3/part6streaming/G03TreeModelNavigation.java) [G04](src/main/java/com/ankurm/jackson3/part6streaming/G04ThreeApproachesMeasured.java) | [write-up](docs/part6-streaming.md) |
 | [Security Best Practices](https://ankurm.com/jackson-security-best-practices/) | [`part7security`](src/main/java/com/ankurm/jackson3/part7security) | [H01](src/main/java/com/ankurm/jackson3/part7security/H01SafePolymorphismByAnnotation.java) [H02](src/main/java/com/ankurm/jackson3/part7security/H02DefaultTypingRemoved.java) [H03](src/main/java/com/ankurm/jackson3/part7security/H03PolymorphicTypeValidatorAllowlist.java) [H04](src/main/java/com/ankurm/jackson3/part7security/H04StreamReadConstraints.java) [H05](src/main/java/com/ankurm/jackson3/part7security/H05NeverDeserialiseIntoObject.java) | [write-up](docs/part7-security.md) |
 | — (beyond the posts) | [`beyond`](src/main/java/com/ankurm/jackson3/beyond) | [Y01](src/main/java/com/ankurm/jackson3/beyond/Y01UncheckedExceptions.java) [Y02](src/main/java/com/ankurm/jackson3/beyond/Y02TrailingTokens.java) [Y03](src/main/java/com/ankurm/jackson3/beyond/Y03DateTimeDefaults.java) [Y04](src/main/java/com/ankurm/jackson3/beyond/Y04ImmutableMapperAndReaders.java) [Y05](src/main/java/com/ankurm/jackson3/beyond/Y05CreatorDetection.java) [Y06](src/main/java/com/ankurm/jackson3/beyond/Y06RecyclerPoolTuning.java) | [write-up](docs/beyond.md) |
@@ -59,7 +59,7 @@ the library disagree.
 | [docs/part7-security.md](docs/part7-security.md) | Safe polymorphism, allowlists, resource limits |
 | [docs/beyond.md](docs/beyond.md) | Unchecked exceptions, flipped defaults, pool tuning |

-Raw stdout for all 39 programs is in [`docs/output/`](docs/output), regenerated by
+Raw stdout for all 43 programs is in [`docs/output/`](docs/output), regenerated by
 [`run-all.sh`](run-all.sh).

 ## Corrections to the posts