GH-606 add initila support for generating default cloud event attributes

This commit is contained in:
Oleg Zhurakousky
2020-11-13 11:39:48 +01:00
parent 9c58e6d64b
commit 784fde2e1f
8 changed files with 120 additions and 29 deletions

View File

@@ -50,16 +50,16 @@ public class CloudeventDemoApplicationFunctionTests {
* is (see `asPOJOMessage` and `asPOJO` specifically). Type conversion will happen
* inside spring-cloud-function.
*/
Function<Message<String>, String> asPojoMessage = catalog.lookup("asPOJOMessage");
Function<Message<String>, Message<String>> asPojoMessage = catalog.lookup("asPOJOMessage");
System.out.println(asPojoMessage.apply(binaryCloudEventMessage));
Function<Message<String>, String> asPojo = catalog.lookup("asPOJO");
Function<Message<String>, Message<String>> asPojo = catalog.lookup("asPOJO");
System.out.println(asPojo.apply(binaryCloudEventMessage));
Function<Message<String>, String> asString = catalog.lookup("asString");
Function<Message<String>, Message<String>> asString = catalog.lookup("asString");
System.out.println(asString.apply(binaryCloudEventMessage));
Function<Message<String>, String> asStringMessage = catalog.lookup("asStringMessage");
Function<Message<String>, Message<String>> asStringMessage = catalog.lookup("asStringMessage");
System.out.println(asStringMessage.apply(binaryCloudEventMessage));
}
}
@@ -83,4 +83,24 @@ public class CloudeventDemoApplicationFunctionTests {
System.out.println(asPojoMessage.apply(binaryCloudEventMessage));
}
}
@Test
public void demoPureFunctionProduceConsumeCloudEventAsPojo() {
try(ConfigurableApplicationContext context = SpringApplication.run(CloudeventDemoApplication.class)) {
FunctionCatalog catalog = context.getBean(FunctionCatalog.class);
CloudEventAtttributesProvider ceAttrProvider = new DefaultCloudEventAttributesProvider();
Message<String> binaryCloudEventMessage = MessageBuilder
.withPayload("{\"releaseDate\":\"24-03-2004\", \"releaseName\":\"Spring Framework\", \"version\":\"1.0\"}")
.copyHeaders(ceAttrProvider.get("spring.io/spring-event", "com.example.springevent"))
.build();
/*
* NOTE how it makes no difference what the actual function signature
* is (see `asPOJOMessage` and `asPOJO` specifically). Type conversion will happen
* inside spring-cloud-function.
*/
Function<Message<String>, Message<String>> asPojoMessage = catalog.lookup("consumeAndProduceCloudEventPojo");
System.out.println(asPojoMessage.apply(binaryCloudEventMessage));
}
}
}