feat: create neo4j extesions

Signed-off-by: Otavio Santana <[email protected]>

Author: otaviojava

jnosql-neo4j/src/main/java/org/eclipse/jnosql/databases/neo4j/mapping/Neo4JExtension.java

@@ -0,0 +1,48 @@
+/*
+ *  Copyright (c) 2022 Contributors to the Eclipse Foundation
+ *   All rights reserved. This program and the accompanying materials
+ *   are made available under the terms of the Eclipse Public License v1.0
+ *   and Apache License v2.0 which accompanies this distribution.
+ *   The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
+ *   and the Apache License v2.0 is available at http://www.opensource.org/licenses/apache2.0.php.
+ *
+ *   You may elect to redistribute this code under either of these licenses.
+ *
+ *   Contributors:
+ *
+ *   Otavio Santana
+ */
+package org.eclipse.jnosql.databases.neo4j.mapping;
+
+
+import jakarta.enterprise.event.Observes;
+import jakarta.enterprise.inject.spi.AfterBeanDiscovery;
+import jakarta.enterprise.inject.spi.Extension;
+import org.eclipse.jnosql.mapping.metadata.ClassScanner;
+
+import java.util.Set;
+import java.util.logging.Logger;
+
+/**
+ * CDI extension for Cassandra integration.
+ */
+public class Neo4JExtension implements Extension {
+
+    private static final Logger LOGGER = Logger.getLogger(Neo4JExtension.class.getName());
+
+    /**
+     * Observes the AfterBeanDiscovery event to add Cassandra repository beans.
+     *
+     * @param afterBeanDiscovery the AfterBeanDiscovery event
+     */
+    void onAfterBeanDiscovery(@Observes final AfterBeanDiscovery afterBeanDiscovery) {
+        ClassScanner scanner = ClassScanner.load();
+        Set<Class<?>> crudTypes = scanner.repositories(Neo4JRepository.class);
+
+        LOGGER.info("Starting the onAfterBeanDiscovery with elements number: " + crudTypes.size());
+
+        crudTypes.forEach(type -> afterBeanDiscovery.addBean(new Neo4JRepositoryBean<>(type)));
+
+        LOGGER.info("Finished the onAfterBeanDiscovery");
+    }
+}

jnosql-neo4j/src/main/resources/META-INF/services/jakarta.enterprise.inject.spi.Extension

@@ -0,0 +1 @@
+org.eclipse.jnosql.databases.neo4j.mapping.Neo4JExtension