HSEARCH-5300 Experiment with the annotation processor to generate the…

… metamodel
hibernate · Feb 20, 2025 · f04af13 · f04af13
1 parent 07592a3
commit f04af13
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Showing 52 changed files with 2,560 additions and 29 deletions.
diff --git a/bom/public/pom.xml b/bom/public/pom.xml
@@ -92,6 +92,11 @@
                 <artifactId>hibernate-search-mapper-orm-outbox-polling</artifactId>
                 <version>${project.version}</version>
             </dependency>
+            <dependency>
+                <groupId>org.hibernate.search</groupId>
+                <artifactId>hibernate-search-metamodel-processor</artifactId>
+                <version>${project.version}</version>
+            </dependency>
             <!-- Relocation artifacts: -->
             <dependency>
                 <groupId>org.hibernate.search</groupId>

diff --git a/build/parents/build/pom.xml b/build/parents/build/pom.xml
@@ -370,6 +370,11 @@
                 <type>pom</type>
                 <version>${project.version}</version>
             </dependency>
+            <dependency>
+                <groupId>org.hibernate.search</groupId>
+                <artifactId>hibernate-search-metamodel-processor</artifactId>
+                <version>${project.version}</version>
+            </dependency>
 
             <!-- Remaining Hibernate Search dependencies -->
             <dependency>

diff --git a/build/reports/pom.xml b/build/reports/pom.xml
@@ -74,6 +74,10 @@
             <groupId>org.hibernate.search</groupId>
             <artifactId>hibernate-search-mapper-orm-jakarta-batch-jberet</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.hibernate.search</groupId>
+            <artifactId>hibernate-search-metamodel-processor</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.hibernate.search</groupId>
             <artifactId>hibernate-search-mapper-orm-batch-jsr352-core</artifactId>

diff --git a/distribution/pom.xml b/distribution/pom.xml
@@ -256,6 +256,7 @@
                                 ${basedir}/../mapper/orm-outbox-polling/src/main/java;
                                 ${basedir}/../mapper/orm-jakarta-batch/core/src/main/java;
                                 ${basedir}/../mapper/orm-jakarta-batch/jberet/src/main/java;
+                                ${basedir}/../metamodel/processor/src/main/java;
                                 ${basedir}/../engine/target/generated-sources/annotations;
                                 ${basedir}/../util/common/target/generated-sources/annotations;
                                 ${basedir}/../mapper/pojo-base/target/generated-sources/annotations;
@@ -268,6 +269,7 @@
                                 ${basedir}/../mapper/orm-outbox-polling/target/generated-sources/annotations;
                                 ${basedir}/../mapper/orm-jakarta-batch/core/target/generated-sources/annotations;
                                 ${basedir}/../mapper/orm-jakarta-batch/jberet/target/generated-sources/annotations;
+                                ${basedir}/../metamodel/processor/target/generated-sources/annotations;
                             </sourcepath>
                             <docfilessubdirs>true</docfilessubdirs>
                             <packagesheader>Hibernate Search Packages</packagesheader>

diff --git a/documentation/pom.xml b/documentation/pom.xml
@@ -62,6 +62,11 @@
             <artifactId>hibernate-search-backend-elasticsearch</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>${project.groupId}</groupId>
+            <artifactId>hibernate-search-metamodel-processor</artifactId>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>${project.groupId}</groupId>
             <artifactId>hibernate-search-util-internal-integrationtest-mapper-orm</artifactId>

diff --git a/...ibernate/search/mapper/pojo/model/models/spi/AbstractPojoModelsBootstrapIntrospector.java b/...ibernate/search/mapper/pojo/model/models/spi/AbstractPojoModelsBootstrapIntrospector.java
@@ -139,30 +139,7 @@ public Class<?> toClass(ClassDetails xClass) {
 	}
 
 	private static String noPrefix(MemberDetails details) {
-		String fullName = details.getName();
-		if ( fullName.startsWith( "get" ) ) {
-			return decapitalize( fullName.substring( "get".length() ) );
-		}
-		if ( fullName.startsWith( "is" ) ) {
-			return decapitalize( fullName.substring( "is".length() ) );
-		}
-		return fullName;
-	}
-
-	// See conventions expressed by https://docs.oracle.com/javase/7/docs/api/java/beans/Introspector.html#decapitalize(java.lang.String)
-	private static String decapitalize(String name) {
-		if ( name != null && !name.isEmpty() ) {
-			if ( name.length() > 1 && Character.isUpperCase( name.charAt( 1 ) ) ) {
-				return name;
-			}
-			else {
-				char[] chars = name.toCharArray();
-				chars[0] = Character.toLowerCase( chars[0] );
-				return new String( chars );
-			}
-		}
-		else {
-			return name;
-		}
+		return PojoBootstrapIntrospector.noPrefix( details.getName() );
 	}
+
 }
diff --git a/...e/src/main/java/org/hibernate/search/mapper/pojo/model/spi/PojoBootstrapIntrospector.java b/...e/src/main/java/org/hibernate/search/mapper/pojo/model/spi/PojoBootstrapIntrospector.java
@@ -4,6 +4,7 @@
  */
 package org.hibernate.search.mapper.pojo.model.spi;
 
+import org.hibernate.search.util.common.annotation.Incubating;
 import org.hibernate.search.util.common.reflect.spi.ValueHandleFactory;
 
 /**
@@ -38,4 +39,33 @@ default org.hibernate.search.util.common.reflect.spi.ValueReadHandleFactory anno
 		return (org.hibernate.search.util.common.reflect.spi.ValueReadHandleFactory) annotationValueHandleFactory();
 	}
 
+	@Incubating
+	static String noPrefix(String methodName) {
+		if ( methodName.startsWith( "get" ) ) {
+			return decapitalize( methodName.substring( "get".length() ) );
+		}
+		if ( methodName.startsWith( "is" ) ) {
+			return decapitalize( methodName.substring( "is".length() ) );
+		}
+		// TODO: handle hasXXX ?
+		return methodName;
+	}
+
+	// See conventions expressed by https://docs.oracle.com/javase/7/docs/api/java/beans/Introspector.html#decapitalize(java.lang.String)
+	@Incubating
+	static String decapitalize(String name) {
+		if ( name != null && !name.isEmpty() ) {
+			if ( name.length() > 1 && Character.isUpperCase( name.charAt( 1 ) ) ) {
+				return name;
+			}
+			else {
+				char[] chars = name.toCharArray();
+				chars[0] = Character.toLowerCase( chars[0] );
+				return new String( chars );
+			}
+		}
+		else {
+			return name;
+		}
+	}
 }
diff --git a/...ate/search/mapper/pojo/standalone/bootstrap/impl/StandalonePojoIntegrationBooterImpl.java b/...ate/search/mapper/pojo/standalone/bootstrap/impl/StandalonePojoIntegrationBooterImpl.java
@@ -11,6 +11,7 @@
 import java.util.Map;
 import java.util.Optional;
 import java.util.function.BiConsumer;
+import java.util.function.Function;
 
 import org.hibernate.search.engine.cfg.ConfigurationPropertySource;
 import org.hibernate.search.engine.cfg.spi.AllAwareConfigurationPropertySource;
@@ -22,6 +23,7 @@
 import org.hibernate.search.engine.common.spi.SearchIntegrationPartialBuildState;
 import org.hibernate.search.engine.environment.bean.spi.BeanProvider;
 import org.hibernate.search.mapper.pojo.mapping.definition.annotation.AnnotatedTypeSource;
+import org.hibernate.search.mapper.pojo.model.spi.PojoBootstrapIntrospector;
 import org.hibernate.search.mapper.pojo.standalone.bootstrap.spi.StandalonePojoIntegrationBooter;
 import org.hibernate.search.mapper.pojo.standalone.bootstrap.spi.StandalonePojoIntegrationBooterBehavior;
 import org.hibernate.search.mapper.pojo.standalone.cfg.spi.StandalonePojoMapperSpiSettings;
@@ -46,12 +48,14 @@ public class StandalonePojoIntegrationBooterImpl implements StandalonePojoIntegr
 	private final List<AnnotatedTypeSource> annotatedTypeSources;
 	private final ConfigurationPropertyChecker propertyChecker;
 	private final ValueHandleFactory valueHandleFactory;
+	private final Function<PojoBootstrapIntrospector, PojoBootstrapIntrospector> introspectorCustomizer;
 	private final ConfigurationPropertySource propertySource;
 
 	private StandalonePojoIntegrationBooterImpl(BuilderImpl builder) {
 		annotatedTypeSources = builder.annotatedTypeSources;
 		propertyChecker = ConfigurationPropertyChecker.create();
 		valueHandleFactory = builder.valueHandleFactory;
+		introspectorCustomizer = builder.introspectorCustomizer;
 
 		propertySource = propertyChecker.wrap(
 				AllAwareConfigurationPropertySource.fromMap( builder.properties )
@@ -82,10 +86,11 @@ private StandalonePojoIntegrationPartialBuildState getPartialBuildStateOrDoBootF
 	}
 
 	private StandalonePojoIntegrationPartialBuildState doBootFirstPhase() {
-		StandalonePojoBootstrapIntrospector introspector =
+		PojoBootstrapIntrospector introspector =
 				StandalonePojoBootstrapIntrospector.create( null, valueHandleFactory != null
 						? valueHandleFactory
 						: ValueHandleFactory.usingMethodHandle( MethodHandles.publicLookup() ) );
+		introspector = introspectorCustomizer.apply( introspector );
 		StandalonePojoMappingKey mappingKey = new StandalonePojoMappingKey();
 		StandalonePojoMappingInitiator mappingInitiator = new StandalonePojoMappingInitiator( introspector );
 		for ( AnnotatedTypeSource source : annotatedTypeSources ) {
@@ -135,8 +140,9 @@ public StandalonePojoMapping boot() {
 
 	public static class BuilderImpl implements Builder {
 		private final List<AnnotatedTypeSource> annotatedTypeSources = new ArrayList<>();
-		private ValueHandleFactory valueHandleFactory;
 		private final Map<String, Object> properties = new HashMap<>();
+		private ValueHandleFactory valueHandleFactory;
+		private Function<PojoBootstrapIntrospector, PojoBootstrapIntrospector> introspectorCustomizer = Function.identity();
 
 		public BuilderImpl() {
 		}
@@ -153,6 +159,12 @@ public BuilderImpl valueReadHandleFactory(ValueHandleFactory valueHandleFactory)
 			return this;
 		}
 
+		@Override
+		public Builder introspectorCustomizer(Function<PojoBootstrapIntrospector, PojoBootstrapIntrospector> customize) {
+			this.introspectorCustomizer = customize;
+			return this;
+		}
+
 		@Override
 		public BuilderImpl property(String name, Object value) {
 			properties.put( name, value );

diff --git a/...ibernate/search/mapper/pojo/standalone/bootstrap/spi/StandalonePojoIntegrationBooter.java b/...ibernate/search/mapper/pojo/standalone/bootstrap/spi/StandalonePojoIntegrationBooter.java
@@ -6,8 +6,10 @@
 
 import java.util.Map;
 import java.util.function.BiConsumer;
+import java.util.function.Function;
 
 import org.hibernate.search.mapper.pojo.mapping.definition.annotation.AnnotatedTypeSource;
+import org.hibernate.search.mapper.pojo.model.spi.PojoBootstrapIntrospector;
 import org.hibernate.search.mapper.pojo.standalone.bootstrap.impl.StandalonePojoIntegrationBooterImpl;
 import org.hibernate.search.mapper.pojo.standalone.mapping.CloseableSearchMapping;
 import org.hibernate.search.util.common.annotation.Incubating;
@@ -25,6 +27,9 @@ interface Builder {
 
 		Builder valueReadHandleFactory(ValueHandleFactory valueHandleFactory);
 
+		@Incubating
+		Builder introspectorCustomizer(Function<PojoBootstrapIntrospector, PojoBootstrapIntrospector> customize);
+
 		Builder property(String name, Object value);
 
 		Builder properties(Map<String, ?> map);

diff --git a/.../hibernate/search/mapper/pojo/standalone/mapping/impl/StandalonePojoMappingInitiator.java b/.../hibernate/search/mapper/pojo/standalone/mapping/impl/StandalonePojoMappingInitiator.java
@@ -17,10 +17,10 @@
 import org.hibernate.search.mapper.pojo.mapping.building.spi.PojoMapperDelegate;
 import org.hibernate.search.mapper.pojo.mapping.building.spi.PojoTypeMetadataContributor;
 import org.hibernate.search.mapper.pojo.mapping.spi.AbstractPojoMappingInitiator;
+import org.hibernate.search.mapper.pojo.model.spi.PojoBootstrapIntrospector;
 import org.hibernate.search.mapper.pojo.standalone.cfg.StandalonePojoMapperSettings;
 import org.hibernate.search.mapper.pojo.standalone.mapping.StandalonePojoMappingConfigurationContext;
 import org.hibernate.search.mapper.pojo.standalone.mapping.StandalonePojoMappingConfigurer;
-import org.hibernate.search.mapper.pojo.standalone.model.impl.StandalonePojoBootstrapIntrospector;
 import org.hibernate.search.mapper.pojo.standalone.reporting.impl.StandalonePojoMapperHints;
 
 public class StandalonePojoMappingInitiator extends AbstractPojoMappingInitiator<StandalonePojoMappingPartialBuildState>
@@ -54,7 +54,7 @@ public class StandalonePojoMappingInitiator extends AbstractPojoMappingInitiator
 					.withDefault( StandalonePojoMapperSettings.Defaults.MULTI_TENANCY_ENABLED )
 					.build();
 
-	public StandalonePojoMappingInitiator(StandalonePojoBootstrapIntrospector introspector) {
+	public StandalonePojoMappingInitiator(PojoBootstrapIntrospector introspector) {
 		super( introspector, StandalonePojoMapperHints.INSTANCE );
 	}
 

diff --git a/metamodel/processor/pom.xml b/metamodel/processor/pom.xml
@@ -0,0 +1,104 @@
+<?xml version="1.0"?>
+<project
+        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+        xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.hibernate.search</groupId>
+        <artifactId>hibernate-search-parent-public</artifactId>
+        <version>8.0.0-SNAPSHOT</version>
+        <relativePath>../../build/parents/public</relativePath>
+    </parent>
+    <artifactId>hibernate-search-metamodel-processor</artifactId>
+
+    <name>Hibernate Search Metamodel annotation processor</name>
+    <description>Hibernate Search Metamodel annotation processor</description>
+
+    <properties>
+        <!-- This is a publicly distributed module that should be published: -->
+        <deploy.skip>false</deploy.skip>
+        <java.module.name>org.hibernate.search.metamodel.processor</java.module.name>
+
+        <logging.processor.skip.generated.annotation.compiler.argument></logging.processor.skip.generated.annotation.compiler.argument>
+        <logging.processor.categories.report.module-name.compiler.argument></logging.processor.categories.report.module-name.compiler.argument>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.hibernate.search</groupId>
+            <artifactId>hibernate-search-engine</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.hibernate.search</groupId>
+            <artifactId>hibernate-search-mapper-pojo-base</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.hibernate.search</groupId>
+            <artifactId>hibernate-search-mapper-pojo-standalone</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.hibernate.search</groupId>
+            <artifactId>hibernate-search-backend-lucene</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.hibernate.search</groupId>
+            <artifactId>hibernate-search-util-common</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.jboss.logging</groupId>
+            <artifactId>jboss-logging</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.jboss.logging</groupId>
+            <artifactId>jboss-logging-annotations</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>default-compile</id>
+                        <configuration>
+                            <proc>none</proc>
+                            <annotationProcessorPaths combine.self="override"></annotationProcessorPaths>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-dependency-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>copy</id>
+                        <phase>generate-test-resources</phase>
+                        <goals>
+                            <goal>copy-dependencies</goal>
+                        </goals>
+                        <configuration>
+                            <outputDirectory>${project.build.directory}/test-dependencies</outputDirectory>
+                            <stripVersion>true</stripVersion>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>