Add h2 database config

CHANGELOG.md

@@ -31,6 +31,7 @@
 * Breaking: Removed Junit 5 Vintage engine and Junit 4 (can be added in projects that need it)
 * Fixed vulnerabilities: CVE-2023-52428(nimbus-jose-jwt), CVE-2024-29857,CVE-2024-30171,CVE-2024-30172,CVE-2024-34447 (bouncycastle), CVE-2024-28752 (Apache CXF)
 * Corrected the use of @Nullable and @Nonnull annotations on created ivos and events, especially on the generated builders 
+* Add support for h2 embedded database
 
 # 1.35
 * Update dependencies

jpa/src/main/java/de/taimos/dvalin/jpa/config/H2Config.java

@@ -0,0 +1,30 @@
+package de.taimos.dvalin.jpa.config;
+
+import de.taimos.daemon.spring.conditional.OnSystemProperty;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseFactoryBean;
+import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
+
+import javax.sql.DataSource;
+import java.util.UUID;
+
+/**
+ * Copyright 2024 Cinovo AG<br>
+ * <br>
+ *
+ * @author fzwirn
+ */
+@Configuration
+@OnSystemProperty(propertyName = "ds.type", propertyValue = "H2")
+public class H2Config {
+	@Bean
+	public DataSource dataSource() {
+		EmbeddedDatabaseFactoryBean factoryBean = new EmbeddedDatabaseFactoryBean();
+		// randomize database name to get a new one each time
+		factoryBean.setDatabaseName(UUID.randomUUID().toString());
+		factoryBean.setDatabaseType(EmbeddedDatabaseType.H2);
+		factoryBean.afterPropertiesSet();
+		return factoryBean.getObject();
+	}
+}