SpringCloud/spring-cloud-function
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

GH-473 Fix type discovery for generic parameters

Browse Source 
Resolves #473
This commit is contained in:
Oleg Zhurakousky
2020-03-30 10:56:00 +02:00
parent 9434a68bd2
commit 86d12f3a84
4 changed files with 32 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
spring-cloud-function-context/src/test/java/org/springframework/cloud/function/context/catalog/FunctionTypeUtilsTests.java
View File

@@ -19,7 +19,6 @@ package org.springframework.cloud.function.context.catalog;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.sql.Date;
import java.util.List;
import java.util.Map;
import java.util.function.Consumer;
@@ -132,6 +131,13 @@ public class FunctionTypeUtilsTests {
assertThat(type.getInputType()).isAssignableFrom(String.class);
}
@Test
public void foo() {
FunctionType type = FunctionType.of(FunctionTypeUtils.discoverFunctionTypeFromClass(ReactiveFunctionImpl.class));
assertThat(String.class).isAssignableFrom(type.getInputType());
assertThat(Integer.class).isAssignableFrom(type.getOutputType());
}
// @Test
// public void testInputTypeByIndex() throws Exception {
// Type functionType = getReturnType("function");
@@ -208,19 +214,19 @@ public class FunctionTypeUtilsTests {
//============
private interface MessageFunction<T> extends Function<Message<String>, Message<String>> {
private interface MessageFunction extends Function<Message<String>, Message<String>> {
}
private interface MyMessageFunction extends MessageFunction<Date> {
private interface MyMessageFunction extends MessageFunction {
}
private interface MessageConsumer<T> extends Consumer<Message<String>> {
private interface MessageConsumer extends Consumer<Message<String>> {
}
private interface MyMessageConsumer extends MessageConsumer<Date> {
private interface MyMessageConsumer extends MessageConsumer {
}
@@ -229,4 +235,17 @@ public class FunctionTypeUtilsTests {
public void accept(Flux<Message<String>> messageFlux) {
}
}
public interface ReactiveFunction<S, T> extends Function<Flux<S>, Flux<T>> {
}
public static class ReactiveFunctionImpl implements ReactiveFunction<String, Integer> {
@Override
public Flux<Integer> apply(Flux<String> inFlux) {
return inFlux.map(v -> Integer.parseInt(v));
}
}
}