Fix Build and upgrade fully to Boot 2.0

Some tests still ignored.

Also adds draft functional bean registration support. The AWS sample
is using that now (it starts up 4x faster in AWS). To activate the
functional beans user has to supply a main class of type
ApplicationContextInitializer.

spring-cloud-function-samples/function-sample-aws/pom.xml

@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>1.5.11.RELEASE</version>
+		<version>2.0.3.RELEASE</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 

spring-cloud-function-samples/function-sample-aws/src/main/java/example/Config.java

@@ -18,33 +18,48 @@ package example;
 
 import java.util.function.Function;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.cloud.function.context.FunctionRegistration;
+import org.springframework.cloud.function.context.FunctionType;
+import org.springframework.context.ApplicationContextInitializer;
 import org.springframework.context.annotation.Bean;
+import org.springframework.context.support.GenericApplicationContext;
 
 @SpringBootApplication
 @EnableConfigurationProperties(Properties.class)
-public class Config {
+public class Config implements ApplicationContextInitializer<GenericApplicationContext> {
 
 	private Properties props;
 
-	@Autowired
+	public Config() {
+	}
+
 	public Config(Properties props) {
 		this.props = props;
 	}
 
 	@Bean
 	public Function<Foo, Bar> function() {
-		return value -> new Bar(value.uppercase()
-				+ (props.getFoo() != null ? "-" + props.getFoo() : ""));
+		return value -> new Bar(
+				value.uppercase() + (props.getFoo() != null ? "-" + props.getFoo() : ""));
 	}
 
 	public static void main(String[] args) throws Exception {
 		SpringApplication.run(Config.class, args);
 	}
 
+	@Override
+	public void initialize(GenericApplicationContext context) {
+		Properties properties = new Properties();
+		this.props = properties;
+		context.registerBean(Properties.class, () -> properties);
+		context.registerBean("function", FunctionRegistration.class,
+				() -> new FunctionRegistration<Function<Foo, Bar>>(function())
+						.type(FunctionType.from(Foo.class).to(Bar.class).getType()));
+	}
+
 }
 
 class Foo {