Feat : Generate Jakarta JPA Metamodel API for Micronaut Data using Micronaut Sourcegen project by ZARAYACH · Pull Request #3742 · micronaut-projects/micronaut-data

ZARAYACH · 2026-03-04T15:20:32Z

This Pr adds support for generating StaticMetamodel for Jakarta persistence entities using the Micronaut sourcegen project .
The output is a class_ annotated with @jakarta.persistence.metamodel.StaticMetamodel with the correct attributes based on the actual class . exemple of generted Staticmetamodel class_ :

package test;

import jakarta.annotation.Generated;
import jakarta.persistence.metamodel.EntityType;
import jakarta.persistence.metamodel.SingularAttribute;
import jakarta.persistence.metamodel.StaticMetamodel;
import java.lang.Long;
import java.lang.String;

@StaticMetamodel(Parent.class)
@Generated("io.micronaut.data.processor.jpa.metamodel.JpaMetamodelProcessor")
public abstract class Parent_ {
 public static final String ID = "id";

 public static final String NAME = "name";

 public static volatile SingularAttribute<Parent, Long> id;

 public static volatile SingularAttribute<Parent, String> name;

 public static volatile EntityType<Parent> class_;
}

package test;

import jakarta.annotation.Generated;
import jakarta.persistence.metamodel.EntityType;
import jakarta.persistence.metamodel.SingularAttribute;
import jakarta.persistence.metamodel.StaticMetamodel;
import java.lang.Long;
import java.lang.String;

@StaticMetamodel(Child.class)
@Generated("io.micronaut.data.processor.jpa.metamodel.JpaMetamodelProcessor")
public abstract class Child_ extends Parent_ {
 public static final String AGE = "age";

 public static volatile SingularAttribute<Child, Long> age;

 public static volatile EntityType<Child> class_;
}

@dstepanov please can you review this pr, and give me your feedback, Thank you.

…ent fields

dstepanov

PR needs tests for all possible scenarios. Create a testing project on the examples folder. You can use Hibernate and it's Criteria to validate that the metamodel is correct.

dstepanov · 2026-03-10T02:53:19Z

...processor/src/main/java/io/micronaut/data/processor/jpa/metamodel/JpaMetamodelProcessor.java

+        Map<String, ClassElement> typeArguments = beanPropertyType.getTypeArguments();
+
+        TypeDef typeDef = switch (beanPropertyType.getName()) {
+            case "java.util.Collection" ->


Make those constants and use the original class name COLLECTION = Collection.class.getName()

fixed in 5efbb20

…odel

gradle/libs.versions.toml

data-jpa-metamodel-processor/build.gradle

radovanradic · 2026-03-18T13:12:23Z

Maybe could add some documentation for the new module?

radovanradic · 2026-03-19T12:56:38Z

Maybe could add some documentation for the new module?

I meant new .adoc file, something like this https://micronaut-projects.github.io/micronaut-data/latest/guide/#typeSafeJava if make sense for new module

ZARAYACH · 2026-03-19T16:14:28Z

Maybe could add some documentation for the new module?

I meant new .adoc file, something like this https://micronaut-projects.github.io/micronaut-data/latest/guide/#typeSafeJava if make sense for new module

Yep, working on it :)

ZARAYACH · 2026-03-25T08:29:04Z

Maybe could add some documentation for the new module?

I meant new .adoc file, something like this https://micronaut-projects.github.io/micronaut-data/latest/guide/#typeSafeJava if make sense for new module

Yep, working on it :)

Hi @radovanradic , i've added some docs, basically how to use it and disable it , i don't know if it's enough or should i go in details on how it is implemented.
Thanks.

radovanradic · 2026-03-25T08:34:47Z

Maybe could add some documentation for the new module?

I meant new .adoc file, something like this https://micronaut-projects.github.io/micronaut-data/latest/guide/#typeSafeJava if make sense for new module

Yep, working on it :)

Hi @radovanradic , i've added some docs, basically how to use it and disable it , i don't know if it's enough or should i go in details on how it is implemented. Thanks.

I think this is fine.

Copilot

Pull request overview

Adds Micronaut Data support for generating Jakarta Persistence static metamodel (*_) classes via Micronaut SourceGen, along with new documentation and a comprehensive doc-example module validating Criteria API usage.

Changes:

Introduces a new data-jpa-metamodel-processor module implementing a TypeElementVisitor that generates @StaticMetamodel sources.
Updates the type-safe Criteria documentation to describe Micronaut vs Hibernate metamodel generation and how to disable Micronaut generation.
Adds a new doc-examples:data-jpa-metamodel-example-java module with entities/repositories/tests exercising generated metamodels (including collections, embeddables, and inheritance).

Reviewed changes

Copilot reviewed 46 out of 46 changed files in this pull request and generated 13 comments.

Show a summary per file

File	Description
src/main/docs/guide/shared/criteriaSpecifications/typeSafeJava.adoc	Expands/clarifies Criteria metamodel generation configuration and disabling behavior
settings.gradle	Adds new processor module + new doc example module to the multi-project build
gradle/libs.versions.toml	Enables Micronaut SourceGen BOM/version for the new processor
doc-examples/data-jpa-metamodel-example-java/build.gradle	New example build config incl. processor wiring and “disabled generation” verification task
doc-examples/data-jpa-metamodel-example-java/src/main/resources/application.properties	Datasource/JPA config for the new example app
doc-examples/data-jpa-metamodel-example-java/src/main/java/**	New example entities + repositories used by Criteria tests
doc-examples/data-jpa-metamodel-example-java/src/test/java/**	Criteria API tests validating generated metamodel shape and usage
data-jpa-metamodel-processor/src/main/java/**	New metamodel generator implementation (visitor + generator utilities)
data-jpa-metamodel-processor/src/test/groovy/**	Processor tests validating generated metamodel structure/typing
data-jpa-metamodel-processor/src/main/resources/**	Registers the new `TypeElementVisitor` via service loader

Copilot · 2026-03-25T08:57:17Z

...amples/data-jpa-metamodel-example-java/src/main/java/com/example/EmployeePropertyAccess.java

+        // Logging addition logic
+        System.out.println("Salary updated: " + salary);


Avoid writing to stdout from entity setters. This will spam test output and can cause unexpected side effects when JPA calls setters; use the project logging framework (or remove the logging) instead of System.out.println().

Suggested change

// Logging addition logic

System.out.println("Salary updated: " + salary);

fixed in d704ec3

Copilot · 2026-03-25T08:57:20Z

doc-examples/data-jpa-metamodel-example-java/build.gradle

+    dependsOn("clean")
+    source = sourceSets.main.java
+    classpath = sourceSets.main.compileClasspath
+    destinationDirectory = disabledClassesDir
+


Having compileMetamodelDisabled depend on clean makes every test execution run clean first (slow, breaks incremental builds, and can surprise IDE runs). Instead, delete only the task's own output dirs or configure the task outputs so it is reproducible without forcing a full clean.

Suggested change

dependsOn("clean")

source = sourceSets.main.java

classpath = sourceSets.main.compileClasspath

destinationDirectory = disabledClassesDir

// Clean only this task's outputs instead of depending on the global 'clean' task

doFirst {

delete(disabledGenDir)

delete(disabledClassesDir)

}

source = sourceSets.main.java

classpath = sourceSets.main.compileClasspath

destinationDirectory = disabledClassesDir

// Declare the generated metamodel directory as an output of this task

outputs.dir(disabledGenDir)

fixed in d704ec3

Copilot · 2026-03-25T08:57:22Z

...processor/src/main/java/io/micronaut/data/processor/jpa/metamodel/JpaMetamodelProcessor.java

+    private static JakartaAccessType resolveAccessType(@NonNull ClassElement element, @Nullable AnnotationValue<Annotation> jakartaAccessAnnotation) {
+        if (jakartaAccessAnnotation == null && element.getMethods().stream().anyMatch(o -> o.hasAnnotation(JAKARTA_ID))) {
+            return JakartaAccessType.PROPERTY;
+        }
+        if (jakartaAccessAnnotation == null) {
+            return JakartaAccessType.FIELD;
+        }
+        return jakartaAccessAnnotation.getRequiredValue(JakartaAccessType.class);


Access type inference only checks for @jakarta.persistence.Id on methods. Entities that use @EmbeddedId on a getter should also imply PROPERTY access; otherwise the processor may incorrectly inspect fields and generate the wrong metamodel. Consider checking for @EmbeddedId (and/or treating either annotation as an identifier marker).

fixed in 514846b

Copilot · 2026-03-25T08:57:24Z

...processor/src/main/java/io/micronaut/data/processor/jpa/metamodel/JpaMetamodelProcessor.java

+     */
+    private static FieldDef createEntityTypeField(ClassTypeDef elementType) {
+        return FieldDef.builder("class_").addModifiers(Modifier.PUBLIC, Modifier.VOLATILE, Modifier.STATIC)
+            .ofType(TypeDef.parameterized(ClassTypeDef.of(JAKARTA_METAMODEL_ENTITY_TYPE), elementType)).build();


The generated class_ field is always typed as EntityType. For @MappedSuperclass and @Embeddable metamodels, this should be MappedSuperclassType / EmbeddableType (or a common supertype like ManagedType) to match the Jakarta metamodel API and avoid incorrect typing.

Suggested change

.ofType(TypeDef.parameterized(ClassTypeDef.of(JAKARTA_METAMODEL_ENTITY_TYPE), elementType)).build();

.ofType(TypeDef.parameterized(ClassTypeDef.of("jakarta.persistence.metamodel.ManagedType"), elementType)).build();

fixed in d704ec3

Copilot · 2026-03-25T08:57:26Z

...processor/src/main/java/io/micronaut/data/processor/jpa/metamodel/JpaMetamodelProcessor.java

+            typeDef = TypeDef.parameterized(ClassTypeDef.of(JAKARTA_METAMODEL_COLLECTION_ATTRIBUTE), classTypeDef,
+                TypeDef.of(Objects.requireNonNull(typeArguments.get("E"))));
+        } else if (fieldTypeName.equals(JAVA_UTIL_SET)) {
+            typeDef = TypeDef.parameterized(ClassTypeDef.of(JAKARTA_METAMODEL_SET_ATTRIBUTE), classTypeDef,
+                TypeDef.of(Objects.requireNonNull(typeArguments.get("E"))));
+        } else if (fieldTypeName.equals(JAVA_UTIL_LIST)) {
+            typeDef = TypeDef.parameterized(ClassTypeDef.of(JAKARTA_METAMODEL_LIST_ATTRIBUTE), classTypeDef,
+                TypeDef.of(Objects.requireNonNull(typeArguments.get("E"))));
+        } else if (fieldTypeName.equals(JAVA_UTIL_MAP)) {
+            typeDef = TypeDef.parameterized(ClassTypeDef.of(JAKARTA_METAMODEL_MAP_ATTRIBUTE), classTypeDef,
+                TypeDef.of(Objects.requireNonNull(typeArguments.get("K"))),
+                TypeDef.of(Objects.requireNonNull(typeArguments.get("V"))));
+        } else {
+            typeDef = TypeDef.parameterized(ClassTypeDef.of(JAKARTA_METAMODEL_SINGULAR_ATTRIBUTE), classTypeDef, getProperType(TypeDef.of(fieldType)));
+        }
+        return attributeDefBuilder.ofType(typeDef).build();
+    }
+


createAttributeField() uses Objects.requireNonNull on generic type arguments (E/K/V). If the user declares a raw Collection/Map (no generics), this will throw an NPE and surface as a vague "Failed to generate" error. Consider defaulting missing type args to Object, or throwing a ProcessingException with a clear message.

Suggested change

typeDef = TypeDef.parameterized(ClassTypeDef.of(JAKARTA_METAMODEL_COLLECTION_ATTRIBUTE), classTypeDef,

TypeDef.of(Objects.requireNonNull(typeArguments.get("E"))));

} else if (fieldTypeName.equals(JAVA_UTIL_SET)) {

typeDef = TypeDef.parameterized(ClassTypeDef.of(JAKARTA_METAMODEL_SET_ATTRIBUTE), classTypeDef,

TypeDef.of(Objects.requireNonNull(typeArguments.get("E"))));

} else if (fieldTypeName.equals(JAVA_UTIL_LIST)) {

typeDef = TypeDef.parameterized(ClassTypeDef.of(JAKARTA_METAMODEL_LIST_ATTRIBUTE), classTypeDef,

TypeDef.of(Objects.requireNonNull(typeArguments.get("E"))));

} else if (fieldTypeName.equals(JAVA_UTIL_MAP)) {

typeDef = TypeDef.parameterized(ClassTypeDef.of(JAKARTA_METAMODEL_MAP_ATTRIBUTE), classTypeDef,

TypeDef.of(Objects.requireNonNull(typeArguments.get("K"))),

TypeDef.of(Objects.requireNonNull(typeArguments.get("V"))));

} else {

typeDef = TypeDef.parameterized(ClassTypeDef.of(JAKARTA_METAMODEL_SINGULAR_ATTRIBUTE), classTypeDef, getProperType(TypeDef.of(fieldType)));

}

return attributeDefBuilder.ofType(typeDef).build();

}

ClassElement elementType = getRequiredTypeArgument(typeArguments, "E", fieldName, fieldTypeName);

typeDef = TypeDef.parameterized(ClassTypeDef.of(JAKARTA_METAMODEL_COLLECTION_ATTRIBUTE), classTypeDef,

TypeDef.of(elementType));

} else if (fieldTypeName.equals(JAVA_UTIL_SET)) {

ClassElement elementType = getRequiredTypeArgument(typeArguments, "E", fieldName, fieldTypeName);

typeDef = TypeDef.parameterized(ClassTypeDef.of(JAKARTA_METAMODEL_SET_ATTRIBUTE), classTypeDef,

TypeDef.of(elementType));

} else if (fieldTypeName.equals(JAVA_UTIL_LIST)) {

ClassElement elementType = getRequiredTypeArgument(typeArguments, "E", fieldName, fieldTypeName);

typeDef = TypeDef.parameterized(ClassTypeDef.of(JAKARTA_METAMODEL_LIST_ATTRIBUTE), classTypeDef,

TypeDef.of(elementType));

} else if (fieldTypeName.equals(JAVA_UTIL_MAP)) {

ClassElement keyType = getRequiredTypeArgument(typeArguments, "K", fieldName, fieldTypeName);

ClassElement valueType = getRequiredTypeArgument(typeArguments, "V", fieldName, fieldTypeName);

typeDef = TypeDef.parameterized(ClassTypeDef.of(JAKARTA_METAMODEL_MAP_ATTRIBUTE), classTypeDef,

TypeDef.of(keyType),

TypeDef.of(valueType));

} else {

typeDef = TypeDef.parameterized(ClassTypeDef.of(JAKARTA_METAMODEL_SINGULAR_ATTRIBUTE), classTypeDef, getProperType(TypeDef.of(fieldType)));

}

return attributeDefBuilder.ofType(typeDef).build();

}

private static ClassElement getRequiredTypeArgument(Map<String, ClassElement> typeArguments,

String argumentName,

String fieldName,

String fieldTypeName) {

ClassElement classElement = typeArguments.get(argumentName);

if (classElement == null) {

throw new IllegalArgumentException("Missing generic type argument '" + argumentName + "' for field '" + fieldName

+ "' of type '" + fieldTypeName + "'. Please declare the generic type, for example: "

+ fieldTypeName + "<...> instead of using a raw type.");

}

return classElement;

}

fixed in d704ec3

Copilot · 2026-03-25T08:57:33Z

doc-examples/data-jpa-metamodel-example-java/src/main/resources/application.properties

+datasources.default.password=${JDBC_PASSWORD:""}
+datasources.default.url=${JDBC_URL:`jdbc:h2:~/devDb:default;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE`}
+datasources.default.username=${JDBC_USER:sa}


The placeholder defaults here use quotes/backticks, which are treated as literal characters in a .properties file. This likely sets password to """" and makes the JDBC URL contain backticks, breaking datasource initialization. Use unquoted defaults (e.g. ${JDBC_PASSWORD:} and ${JDBC_URL:jdbc:h2:...}).

fixed in d704ec3

Copilot · 2026-03-25T08:57:34Z

...est/groovy/io/micronaut/data/processor/jpa/metamodel/JpaMetamodelProcessorVisitorSpec.groovy

+
+        expect:
+
+        constantProps.keySet().stream().anyMatch { o -> trainMetaModelClass.getField(o) != null && trainMetaModelClass.getProperties().get(o) == NameUtils.camelCase(o.toLowerCase()) }


This uses anyMatch, so the assertion passes if any one constant field matches, even if most expected constants are missing. Use allMatch (and assert the boolean) so the test actually validates every expected constant.

Suggested change

constantProps.keySet().stream().anyMatch { o -> trainMetaModelClass.getField(o) != null && trainMetaModelClass.getProperties().get(o) == NameUtils.camelCase(o.toLowerCase()) }

constantProps.keySet().stream().allMatch { o -> trainMetaModelClass.getField(o) != null && trainMetaModelClass.getProperties().get(o) == NameUtils.camelCase(o.toLowerCase()) }

fixed in d704ec3

Copilot · 2026-03-25T08:57:36Z

...est/groovy/io/micronaut/data/processor/jpa/metamodel/JpaMetamodelProcessorVisitorSpec.groovy

+        expect:
+        constantProps.keySet().stream().anyMatch { o -> parentMetaModelClass.getField(o) != null && parentMetaModelClass.getProperties().get(o) == NameUtils.camelCase(o.toLowerCase()) }
+        constantProps.keySet().stream().anyMatch { o -> childMetaModelClass.getField(o) != null && childMetaModelClass.getProperties().get(o) == NameUtils.camelCase(o.toLowerCase()) }


Same issue: anyMatch makes the test pass even if some expected constants are missing. Use allMatch and assert the result for both parent and child metamodels.

Suggested change

expect:

constantProps.keySet().stream().anyMatch { o -> parentMetaModelClass.getField(o) != null && parentMetaModelClass.getProperties().get(o) == NameUtils.camelCase(o.toLowerCase()) }

constantProps.keySet().stream().anyMatch { o -> childMetaModelClass.getField(o) != null && childMetaModelClass.getProperties().get(o) == NameUtils.camelCase(o.toLowerCase()) }

def parentKeys = ["ID", "NAME"] as Set

def childKeys = constantProps.keySet()

expect:

parentKeys.stream().allMatch { o -> parentMetaModelClass.getField(o) != null && parentMetaModelClass.getProperties().get(o) == NameUtils.camelCase(o.toLowerCase()) }

childKeys.stream().allMatch { o -> childMetaModelClass.getField(o) != null && childMetaModelClass.getProperties().get(o) == NameUtils.camelCase(o.toLowerCase()) }

fixed in d704ec3

Copilot · 2026-03-25T08:57:38Z

...est/groovy/io/micronaut/data/processor/jpa/metamodel/JpaMetamodelProcessorVisitorSpec.groovy

+                             FIELD_WITHOUT_ACCESSORS: [attributeType: JAKARTA_METAMODEL_SINGULAR_ATTRIBUTE, fieldtype: String.class.getName(), declaringType: "test.FieldAccessClass"]]
+        expect:
+
+        constantProps.keySet().stream().anyMatch { o -> fieldAccessClassMetaModelClass.getField(o) != null && fieldAccessClassMetaModelClass.getProperties().get(o) == NameUtils.camelCase(o.toLowerCase()) }


This anyMatch check doesn't fully validate generated constants. Switch to allMatch (and assert) so every expected constant is verified.

Suggested change

constantProps.keySet().stream().anyMatch { o -> fieldAccessClassMetaModelClass.getField(o) != null && fieldAccessClassMetaModelClass.getProperties().get(o) == NameUtils.camelCase(o.toLowerCase()) }

constantProps.keySet().stream().allMatch { o -> fieldAccessClassMetaModelClass.getField(o) != null && fieldAccessClassMetaModelClass.getProperties().get(o) == NameUtils.camelCase(o.toLowerCase()) }

fixed in d704ec3

Copilot · 2026-03-25T08:57:39Z

...est/groovy/io/micronaut/data/processor/jpa/metamodel/JpaMetamodelProcessorVisitorSpec.groovy

+                             NAME: [attributeType: JAKARTA_METAMODEL_SINGULAR_ATTRIBUTE, fieldtype: String.class.getName(), declaringType: "test.PropertyAccessClass"]]
+        expect:
+
+        constantProps.keySet().stream().anyMatch { o -> propertyAccessClassMetaModelClass.getField(o) != null && propertyAccessClassMetaModelClass.getProperties().get(o) == NameUtils.camelCase(o.toLowerCase()) }


This assertion uses anyMatch, so it can pass while missing expected constants. Use allMatch (and assert) to validate the full set.

Suggested change

constantProps.keySet().stream().anyMatch { o -> propertyAccessClassMetaModelClass.getField(o) != null && propertyAccessClassMetaModelClass.getProperties().get(o) == NameUtils.camelCase(o.toLowerCase()) }

constantProps.keySet().stream().allMatch { o -> propertyAccessClassMetaModelClass.getField(o) != null && propertyAccessClassMetaModelClass.getProperties().get(o) == NameUtils.camelCase(o.toLowerCase()) }

fixed in d704ec3

…rta tck hibernate submodule

…ck jdbc submodule

…mple submodule & some code cleanup

ZARAYACH changed the title ~~Jpa metamodel~~ Generate Jakarta JPA Metamodel API for Micronaut Data using Micronaut Sourcegen project Mar 4, 2026

ZARAYACH force-pushed the jpaMetamodel branch from ee650d9 to 24f7a3b Compare March 5, 2026 10:45

ZARAYACH added 2 commits March 5, 2026 10:48

Jpa metamodel processor added with support for inheritance and transi…

c268b4e

…ent fields

Groovy Tests for Jpa metamodel processor added

3814e0e

ZARAYACH force-pushed the jpaMetamodel branch from 24f7a3b to 3814e0e Compare March 5, 2026 10:49

ZARAYACH added 5 commits March 5, 2026 11:25

Default constructor removed from Staticmetamodel generated classes

c43abf3

A quick refactor , using constants

b3dbff3

adding non null checks & some java docs

1ac1878

one more constant

06c796b

adds some messing checks in the tests

40421a2

dstepanov requested changes Mar 10, 2026

View reviewed changes

ZARAYACH added 3 commits March 10, 2026 09:38

Using more constants

5efbb20

fixing a bug & Adding the examples testing module for jpa StaticMetam…

cfeecb9

…odel

Adding support for Jakarta access annotation on jpa entities

0360cf1

ZARAYACH force-pushed the jpaMetamodel branch from 7897cfd to 0360cf1 Compare March 13, 2026 13:51

Ignoring transient and static fields & more tests

a682d7a

ZARAYACH force-pushed the jpaMetamodel branch from a9b5327 to a682d7a Compare March 13, 2026 14:27

radovanradic reviewed Mar 17, 2026

View reviewed changes

gradle/libs.versions.toml Outdated Show resolved Hide resolved

ZARAYACH added 2 commits March 17, 2026 16:21

Tests for the static meta model generator

dba1f6d

removing unused dependency for libs

affebd4

ZARAYACH requested review from dstepanov and radovanradic March 17, 2026 16:27

radovanradic reviewed Mar 18, 2026

View reviewed changes

data-jpa-metamodel-processor/build.gradle Outdated Show resolved Hide resolved

ZARAYACH added 2 commits March 18, 2026 14:04

fixing a falling task

3d3c0a7

adding some java doc

49303e3

ZARAYACH added 2 commits March 24, 2026 15:26

some Documentation

7b78835

Adding build time flag

435c919

Adding a gradle task to test jpa meta model generation flag

03f67b1

ZARAYACH marked this pull request as ready for review March 24, 2026 17:16

ZARAYACH added 2 commits March 25, 2026 08:58

documentation change - disabling micronaut metamodel processor

f2acafa

documentation change - quick fix

b3ebc32

ZARAYACH force-pushed the jpaMetamodel branch from e9af3c5 to b3ebc32 Compare March 25, 2026 08:15

Java doc change - adding a missing comment

8d8045e

ZARAYACH requested a review from radovanradic March 25, 2026 08:29

radovanradic requested a review from Copilot March 25, 2026 08:45

Copilot started reviewing on behalf of radovanradic March 25, 2026 08:46 View session

Copilot AI reviewed Mar 25, 2026

View reviewed changes

ZARAYACH added 3 commits March 25, 2026 12:53

fixing issues highlighted by copilot review

d704ec3

quick refactor - renaming a testing module

c9a40d5

adding testing module for jpa metamodel with jdbc repos

83e84a2

ZARAYACH force-pushed the jpaMetamodel branch from d826725 to 6515e4a Compare March 28, 2026 22:39

cleaning up unused dependencies & trying to fix the failing ci

567135f

ZARAYACH force-pushed the jpaMetamodel branch from 6515e4a to 567135f Compare March 30, 2026 11:43

ZARAYACH changed the title ~~Generate Jakarta JPA Metamodel API for Micronaut Data using Micronaut Sourcegen project~~ Feat : Generate Jakarta JPA Metamodel API for Micronaut Data using Micronaut Sourcegen project Mar 30, 2026

ZARAYACH added 5 commits March 31, 2026 18:13

Refactor : moving metamodel test entities into a new example sub-module

cf6dda8

Refactor : moving metamodel hibernate example test module into a Jaka…

e74b300

…rta tck hibernate submodule

Refactor : moving metamodel jdbc example test module into a Jakarta t…

a6c0465

…ck jdbc submodule

Refactor : moving metamodel redundant tests into Jakarta entities exa…

0979dcf

…mple submodule & some code cleanup

bug fix : fixing a quick bug & more tests

514846b

		// Logging addition logic
		System.out.println("Salary updated: " + salary);

	.ofType(TypeDef.parameterized(ClassTypeDef.of(JAKARTA_METAMODEL_ENTITY_TYPE), elementType)).build();
	.ofType(TypeDef.parameterized(ClassTypeDef.of("jakarta.persistence.metamodel.ManagedType"), elementType)).build();


		expect:

		constantProps.keySet().stream().anyMatch { o -> trainMetaModelClass.getField(o) != null && trainMetaModelClass.getProperties().get(o) == NameUtils.camelCase(o.toLowerCase()) }

	constantProps.keySet().stream().anyMatch { o -> trainMetaModelClass.getField(o) != null && trainMetaModelClass.getProperties().get(o) == NameUtils.camelCase(o.toLowerCase()) }
	constantProps.keySet().stream().allMatch { o -> trainMetaModelClass.getField(o) != null && trainMetaModelClass.getProperties().get(o) == NameUtils.camelCase(o.toLowerCase()) }

-        expect:
-        constantProps.keySet().stream().anyMatch { o -> parentMetaModelClass.getField(o) != null && parentMetaModelClass.getProperties().get(o) == NameUtils.camelCase(o.toLowerCase()) }
-        constantProps.keySet().stream().anyMatch { o -> childMetaModelClass.getField(o) != null && childMetaModelClass.getProperties().get(o) == NameUtils.camelCase(o.toLowerCase()) }
+        def parentKeys = ["ID", "NAME"] as Set
+        def childKeys = constantProps.keySet()
+        expect:
+        parentKeys.stream().allMatch { o -> parentMetaModelClass.getField(o) != null && parentMetaModelClass.getProperties().get(o) == NameUtils.camelCase(o.toLowerCase()) }
+        childKeys.stream().allMatch { o -> childMetaModelClass.getField(o) != null && childMetaModelClass.getProperties().get(o) == NameUtils.camelCase(o.toLowerCase()) }

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Pull request overview

Reviewed changes

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ZARAYACH commented Mar 4, 2026 •

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radovanradic commented Mar 25, 2026 •

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