KEYCLOAK-19374 Create implementation based on annotation processor

Use of boxed types as started in 009d4ca is finalized here
to enable storing data in a map. MapClientEntity methods are
reordered for the sake of grouping the collection-based
properties together and understanding the connections between those.

model/build-processor/pom.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>keycloak-model-pom</artifactId>
+        <groupId>org.keycloak</groupId>
+        <version>16.0.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>keycloak-model-build-processor</artifactId>
+    <name>Keycloak Model Java Annotations and Processor</name>
+    <description/>
+
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>hamcrest-all</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+</project>

model/build-processor/src/main/java/org/keycloak/models/map/annotations/GenerateEntityImplementations.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2021 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.keycloak.models.map.annotations;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ *
+ * @author hmlnarik
+ */
+@Retention(RetentionPolicy.SOURCE)
+@Target(ElementType.TYPE)
+public @interface GenerateEntityImplementations {
+    String inherits() default "";
+}

model/build-processor/src/main/java/org/keycloak/models/map/annotations/GenerateEnumMapFieldType.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2021 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.keycloak.models.map.annotations;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ *
+ * @author hmlnarik
+ */
+@Retention(RetentionPolicy.SOURCE)
+@Target(ElementType.METHOD)
+public @interface GenerateEnumMapFieldType {
+    Class<?> value() default Void.class;
+}

model/map/pom.xml

@@ -11,6 +11,27 @@
     <name>Keycloak Model Map</name>
     <description/>
 
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <annotationProcessorPaths>
+                        <path>
+                            <groupId>org.keycloak</groupId>
+                            <artifactId>keycloak-model-build-processor</artifactId>
+                            <version>${project.version}</version>
+                        </path>
+                    </annotationProcessorPaths>
+                    <annotationProcessors>
+                        <annotationProcessor>org.keycloak.models.map.processor.GenerateEntityImplementationsProcessor</annotationProcessor>
+                    </annotationProcessors>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
     <dependencies>
         <dependency>
             <groupId>org.bouncycastle</groupId>
@@ -42,6 +63,13 @@
             <artifactId>hamcrest-all</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.keycloak</groupId>
+            <artifactId>keycloak-model-build-processor</artifactId>
+            <version>${project.version}</version>
+            <optional>true</optional>
+        </dependency>
     </dependencies>
+
 
 </project>