30 lines
1.2 KiB
Java
30 lines
1.2 KiB
Java
package example;
|
|
|
|
import java.util.function.Function;
|
|
|
|
import org.springframework.boot.SpringBootConfiguration;
|
|
import org.springframework.cloud.function.context.FunctionRegistration;
|
|
import org.springframework.cloud.function.context.catalog.FunctionTypeUtils;
|
|
import org.springframework.context.ApplicationContextInitializer;
|
|
import org.springframework.context.support.GenericApplicationContext;
|
|
|
|
@SpringBootConfiguration
|
|
public class FunctionConfiguration implements ApplicationContextInitializer<GenericApplicationContext> {
|
|
|
|
/*
|
|
* You need this main method (empty) or explicit <start-class>example.FunctionConfiguration</start-class>
|
|
* in the POM to ensure boot plug-in makes the correct entry
|
|
*/
|
|
public static void main(String[] args) {
|
|
// empty unless using Custom runtime at which point it should include
|
|
// FunctionalSpringApplication.run(FunctionConfiguration.class, args);
|
|
}
|
|
|
|
@Override
|
|
public void initialize(GenericApplicationContext context) {
|
|
Function<String, String> function = (str) -> str + str.toUpperCase();
|
|
context.registerBean("uppercase", FunctionRegistration.class,
|
|
() -> new FunctionRegistration<>(function).type(FunctionTypeUtils.functionType(String.class, String.class)));
|
|
}
|
|
}
|