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Merge pull request #3 from paulparkinson/main
init for graalvm workshops - spring boot, quarkus, micronaut, helidon
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‎graalvm-nativeimage/helidon/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
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https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>io.helidon.applications</groupId>
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<artifactId>helidon-mp</artifactId>
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<version>4.1.1</version>
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<relativePath/>
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</parent>
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<groupId>com.oracle.helidon.datasource</groupId>
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<artifactId>com-oracle-helidon-datasource</artifactId>
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<version>1.0.0-SNAPSHOT</version>
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<dependencies>
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<!-- Compile-scoped dependencies. -->
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<dependency>
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<groupId>jakarta.enterprise</groupId>
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<artifactId>jakarta.enterprise.cdi-api</artifactId>
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<scope>compile</scope>
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</dependency>
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<dependency>
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<groupId>jakarta.ws.rs</groupId>
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<artifactId>jakarta.ws.rs-api</artifactId>
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<scope>compile</scope>
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</dependency>
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<dependency>
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<groupId>org.eclipse.microprofile.config</groupId>
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<artifactId>microprofile-config-api</artifactId>
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<scope>compile</scope>
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</dependency>
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<!-- Runtime-scoped dependencies. -->
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<dependency>
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<groupId>io.helidon.integrations.db</groupId>
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<artifactId>ojdbc</artifactId>
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<scope>runtime</scope>
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</dependency>
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<dependency>
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<groupId>io.helidon.integrations.cdi</groupId>
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<artifactId>helidon-integrations-cdi-datasource-ucp</artifactId>
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<scope>runtime</scope>
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</dependency>
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<dependency>
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<groupId>io.smallrye</groupId>
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<artifactId>jandex</artifactId>
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<scope>runtime</scope>
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<optional>true</optional>
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</dependency>
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<dependency>
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<groupId>io.helidon.microprofile.server</groupId>
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<artifactId>helidon-microprofile-server</artifactId>
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<scope>runtime</scope>
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</dependency>
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<dependency>
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<groupId>io.helidon.microprofile.config</groupId>
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<artifactId>helidon-microprofile-config</artifactId>
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<scope>runtime</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-dependency-plugin</artifactId>
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<executions>
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<execution>
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<id>copy-libs</id>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>io.smallrye</groupId>
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<artifactId>jandex-maven-plugin</artifactId>
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<executions>
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<execution>
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<id>make-index</id>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>

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

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

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

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

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

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

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

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

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

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

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

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[
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{
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"name": "oracle.ucp.jdbc.PoolDataSourceImpl",
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"allPublicMethods" : true
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},
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{
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"name" : "oracle.ucp.jdbc.PoolXADataSourceImpl",
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"allPublicMethods" : true
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}
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]

‎graalvm-nativeimage/maven-upgrade.sh‎

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

‎graalvm-nativeimage/micronaut/aot-jar.properties‎

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# AOT configuration properties for jar packaging
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# Please review carefully the optimizations enabled below
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# Check https://micronaut-projects.github.io/micronaut-aot/latest/guide/ for more details
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# Caches environment property values: environment properties will be deemed immutable after application startup.
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cached.environment.enabled=true
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# Precomputes Micronaut configuration property keys from the current environment variables
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precompute.environment.properties.enabled=true
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# Converts YAML configuration files to Java configuration
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yaml.to.java.config.enabled=true
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# Scans for service types ahead-of-time, avoiding classpath scanning at startup
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serviceloading.jit.enabled=true
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# Scans reactive types at build time instead of runtime
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scan.reactive.types.enabled=true
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# Deduces the environment at build time instead of runtime
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deduce.environment.enabled=true
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# Checks of existence of some types at build time instead of runtime
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known.missing.types.enabled=true
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# Precomputes property sources at build time
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sealed.property.source.enabled=true
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# The list of service types to be scanned (comma separated)
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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
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# A list of types that the AOT analyzer needs to check for existence (comma separated)
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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
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