init for graalvm workshops - spring boot, quarkus, micronaut, helidon

graalvm-nativeimage/helidon/pom.xml

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+<?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
+                             https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>io.helidon.applications</groupId>
+        <artifactId>helidon-mp</artifactId>
+        <version>4.1.1</version>
+        <relativePath/>
+    </parent>
+    <groupId>com.oracle.helidon.datasource</groupId>
+    <artifactId>com-oracle-helidon-datasource</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+
+    <dependencies>
+        <!-- Compile-scoped dependencies. -->
+        <dependency>
+            <groupId>jakarta.enterprise</groupId>
+            <artifactId>jakarta.enterprise.cdi-api</artifactId>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>jakarta.ws.rs</groupId>
+            <artifactId>jakarta.ws.rs-api</artifactId>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.eclipse.microprofile.config</groupId>
+            <artifactId>microprofile-config-api</artifactId>
+            <scope>compile</scope>
+        </dependency>
+
+        <!-- Runtime-scoped dependencies. -->
+        <dependency>
+            <groupId>io.helidon.integrations.db</groupId>
+            <artifactId>ojdbc</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.helidon.integrations.cdi</groupId>
+            <artifactId>helidon-integrations-cdi-datasource-ucp</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.smallrye</groupId>
+            <artifactId>jandex</artifactId>
+            <scope>runtime</scope>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>io.helidon.microprofile.server</groupId>
+            <artifactId>helidon-microprofile-server</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.helidon.microprofile.config</groupId>
+            <artifactId>helidon-microprofile-config</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-dependency-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>copy-libs</id>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>io.smallrye</groupId>
+                <artifactId>jandex-maven-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>make-index</id>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>

graalvm-nativeimage/helidon/src/main/java/com/oracle/helidon/datasource/TablesResource.java

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+package com.oracle.helidon.datasource;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.Objects;
+
+import javax.sql.DataSource;
+
+import jakarta.enterprise.context.ApplicationScoped;
+import jakarta.inject.Inject;
+import jakarta.inject.Named;
+import jakarta.ws.rs.GET;
+import jakarta.ws.rs.Path;
+import jakarta.ws.rs.Produces;
+import jakarta.ws.rs.core.MediaType;
+import jakarta.ws.rs.core.Response;
+
+/**
+ * A JAX-RS resource class in {@linkplain ApplicationScoped
+ * application scope} rooted at {@code /tables}.
+ *
+ * @see #get()
+ */
+@Path("/tables")
+@ApplicationScoped
+public class TablesResource {
+
+  private final DataSource dataSource;
+
+  /**
+   * Creates a new {@link TablesResource}.
+   *
+   * @param dataSource the {@link DataSource} to use to acquire
+   * database table names; must not be {@code null}
+   *
+   * @exception NullPointerException if {@code dataSource} is {@code
+   * null}
+   */
+  @Inject
+  public TablesResource(@Named("example") final DataSource dataSource) {
+    super();
+    this.dataSource = Objects.requireNonNull(dataSource);
+  }
+
+  /**
+   * Returns a {@link Response} which, if successful, contains a
+   * newline-separated list of Oracle database table names.
+   *
+   * <p>This method never returns {@code null}.</p>
+   *
+   * @return a non-{@code null} {@link Response}
+   *
+   * @exception SQLException if a database error occurs
+   */
+  @GET
+  @Produces(MediaType.TEXT_PLAIN)
+  public Response get() throws SQLException {
+    final StringBuilder sb = new StringBuilder();
+    try (Connection connection = this.dataSource.getConnection();
+         PreparedStatement ps =
+           connection.prepareStatement(" SELECT TABLE_NAME"
+                                       + " FROM ALL_TABLES "
+                                       + "ORDER BY TABLE_NAME ASC");
+         ResultSet rs = ps.executeQuery()) {
+      while (rs.next()) {
+        sb.append(rs.getString(1)).append("\n");
+      }
+    }
+    final Response returnValue = Response.ok()
+      .entity(sb.toString())
+      .build();
+    return returnValue;
+  }
+
+}

graalvm-nativeimage/helidon/src/main/resources/META-INF/beans.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="https://jakarta.ee/xml/ns/jakartaee"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xsi:schemaLocation="https://jakarta.ee/xml/ns/jakartaee
+                           https://jakarta.ee/xml/ns/jakartaee/beans_4_0.xsd"
+       version="4.0"
+       bean-discovery-mode="annotated">
+</beans>

graalvm-nativeimage/helidon/src/main/resources/META-INF/helidon/native-image/reflection-config.json

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+{
+    "classes": [
+        "oracle.ucp.jdbc.PoolDataSource",
+        "oracle.ucp.jdbc.PoolDataSourceImpl",
+        "javax.sql.DataSource"
+    ]
+}

graalvm-nativeimage/helidon/src/main/resources/META-INF/helidon/native-image/weld-proxies.json

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+[
+    {
+        "bean-class": "io.helidon.integrations.datasource.ucp.cdi.UCPBackedDataSourceExtension",
+        "ifaces": [
+            "java.io.Serializable",
+            "java.sql.Wrapper",
+            "javax.naming.Referenceable",
+            "javax.naming.spi.ObjectFactory",
+            "javax.sql.CommonDataSource",
+            "javax.sql.DataSource",
+            "oracle.ucp.jdbc.PoolDataSource",
+            "oracle.ucp.UniversalConnectionPoolAdapter"
+        ]
+    },
+    {
+        "bean-class": "io.helidon.integrations.datasource.ucp.cdi.UniversalConnectionPoolExtension",
+        "ifaces": [
+            "java.io.Serializable",
+            "java.sql.Wrapper",
+            "javax.naming.Referenceable",
+            "javax.naming.spi.ObjectFactory",
+            "javax.sql.CommonDataSource",
+            "javax.sql.DataSource",
+            "javax.sql.XADataSource",
+            "oracle.ucp.jdbc.PoolDataSource",
+            "oracle.ucp.jdbc.PoolXADataSource",
+            "oracle.ucp.UniversalConnectionPoolAdapter"
+        ]
+    }
+]

graalvm-nativeimage/helidon/src/main/resources/META-INF/microprofile-config.properties

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+# Microprofile server properties
+server.port=8080
+server.host=0.0.0.0
+
+# DataSource properties
+javax.sql.DataSource.example.connectionFactoryClassName=oracle.jdbc.pool.OracleDataSource
+javax.sql.DataSource.example.URL=jdbc:oracle:thin:@<ATP_NAME>_high?TNS_ADMIN=/home/<YOUR_USER>/<YOUR_WALLET_LOCATION>
+javax.sql.DataSource.example.user=ADMIN
+javax.sql.DataSource.example.password=<ADMIN_PASSWORD>

graalvm-nativeimage/helidon/src/main/resources/META-INF/native-image/com.oracle.helidon.datasource/com-oracle-helidon-datasource/native-image.properties

@@ -0,0 +1,4 @@
+Args=-H:+RemoveSaturatedTypeFlows --initialize-at-build-time=com.oracle.helidon.datasource \
+  --initialize-at-run-time=io.helidon.integrations.datasource.ucp.cdi.UniversalConnectionPool$_$$_WeldClientProxy \
+  --initialize-at-run-time=oracle.jdbc.driver.NTFListener \
+  --initialize-at-run-time=oracle.ucp.common.Service

graalvm-nativeimage/helidon/src/main/resources/META-INF/native-image/com.oracle.helidon.datasource/com-oracle-helidon-datasource/reflect-config.json

@@ -0,0 +1,10 @@
+[
+    {
+        "name": "oracle.ucp.jdbc.PoolDataSourceImpl",
+        "allPublicMethods" : true
+    },
+    {
+        "name" : "oracle.ucp.jdbc.PoolXADataSourceImpl",
+        "allPublicMethods" : true
+    }
+]

graalvm-nativeimage/maven-upgrade.sh

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+#!/bin/bash
+
+# Exit immediately if a command exits with a non-zero status
+set -e
+
+# Treat unset variables as an error
+set -u
+
+# Variables
+MAVEN_VERSION="3.9.8"
+DOWNLOAD_URL="https://downloads.apache.org/maven/maven-3/${MAVEN_VERSION}/binaries/apache-maven-${MAVEN_VERSION}-bin.tar.gz"
+INSTALL_DIR="$HOME/mvn-upgrade"
+ARCHIVE_NAME="apache-maven-${MAVEN_VERSION}-bin.tar.gz"
+
+# Functions
+log() {
+    echo "$(date +'%Y-%m-%d %H:%M:%S') - $1"
+}
+
+create_directory() {
+    if [ ! -d "$INSTALL_DIR" ]; then
+        mkdir -p "$INSTALL_DIR"
+        log "Created directory: $INSTALL_DIR"
+    else
+        log "Directory already exists: $INSTALL_DIR"
+    fi
+}
+
+download_maven() {
+    if wget -q --spider "$DOWNLOAD_URL"; then
+        wget -O "${INSTALL_DIR}/${ARCHIVE_NAME}" "$DOWNLOAD_URL"
+        log "Downloaded Maven: $DOWNLOAD_URL"
+    else
+        log "Maven download URL does not exist: $DOWNLOAD_URL"
+        exit 1
+    fi
+}
+
+extract_and_cleanup() {
+    tar -xvzf "${INSTALL_DIR}/${ARCHIVE_NAME}" -C "$INSTALL_DIR"
+    log "Extracted Maven archive"
+
+    rm -f "${INSTALL_DIR}/${ARCHIVE_NAME}"
+    log "Removed Maven archive: ${INSTALL_DIR}/${ARCHIVE_NAME}"
+}
+
+# Main Script
+log "Starting Maven upgrade script"
+
+log "Changing directory to home"
+cd ~
+
+log "Printing current directory"
+pwd
+
+log "Creating installation directory"
+create_directory
+
+log "Changing directory to installation directory"
+cd "$INSTALL_DIR"
+
+log "Downloading Maven"
+download_maven
+
+log "Extracting and cleaning up Maven archive"
+extract_and_cleanup
+
+log "Maven upgrade script completed successfully"

graalvm-nativeimage/micronaut/aot-jar.properties

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+# AOT configuration properties for jar packaging
+# Please review carefully the optimizations enabled below
+# Check https://micronaut-projects.github.io/micronaut-aot/latest/guide/ for more details
+
+# Caches environment property values: environment properties will be deemed immutable after application startup.
+cached.environment.enabled=true
+
+# Precomputes Micronaut configuration property keys from the current environment variables
+precompute.environment.properties.enabled=true
+
+# Converts YAML configuration files to Java configuration
+yaml.to.java.config.enabled=true
+
+# Scans for service types ahead-of-time, avoiding classpath scanning at startup
+serviceloading.jit.enabled=true
+
+# Scans reactive types at build time instead of runtime
+scan.reactive.types.enabled=true
+
+# Deduces the environment at build time instead of runtime
+deduce.environment.enabled=true
+
+# Checks of existence of some types at build time instead of runtime
+known.missing.types.enabled=true
+
+# Precomputes property sources at build time
+sealed.property.source.enabled=true
+
+# The list of service types to be scanned (comma separated)
+service.types=io.micronaut.context.env.PropertySourceLoader,io.micronaut.inject.BeanConfiguration,io.micronaut.inject.BeanDefinitionReference,io.micronaut.http.HttpRequestFactory,io.micronaut.http.HttpResponseFactory,io.micronaut.core.beans.BeanIntrospectionReference,io.micronaut.core.convert.TypeConverterRegistrar,io.micronaut.context.env.PropertyExpressionResolver
+
+# A list of types that the AOT analyzer needs to check for existence (comma separated)
+known.missing.types.list=io.reactivex.Observable,reactor.core.publisher.Flux,kotlinx.coroutines.flow.Flow,io.reactivex.rxjava3.core.Flowable,io.reactivex.rxjava3.core.Observable,io.reactivex.Single,reactor.core.publisher.Mono,io.reactivex.Maybe,io.reactivex.rxjava3.core.Single,io.reactivex.rxjava3.core.Maybe,io.reactivex.Completable,io.reactivex.rxjava3.core.Completable,io.methvin.watchservice.MacOSXListeningWatchService,io.micronaut.core.async.publisher.CompletableFuturePublisher,io.micronaut.core.async.publisher.Publishers.JustPublisher,io.micronaut.core.async.subscriber.Completable
+

graalvm-nativeimage/micronaut/micronaut-cli.yml

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+applicationType: default
+defaultPackage: com.oracle.dev.jdbc.micronaut
+testFramework: junit
+sourceLanguage: java
+buildTool: maven
+features: [app-name, data, data-jdbc, flyway, http-client-test, java, java-application, jdbc-hikari, junit, logback, maven, maven-enforcer-plugin, micronaut-aot, micronaut-http-validation, netty-server, oracle-cloud-atp, oracle-cloud-sdk, properties, readme, serialization-jackson, shade, testcontainers]