SpringCloud/spring-cloud-function
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Don't assume function is a bean

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Fixes #412
This commit is contained in:
Eric Bottard
2019-10-02 13:10:14 +02:00
parent 52f1f04020
commit 32fb70a573
1 changed files with 4 additions and 2 deletions
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6
spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/catalog/BeanFactoryAwareFunctionRegistry.java
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@@ -219,21 +219,23 @@ public class BeanFactoryAwareFunctionRegistry
*/
List<String> names = Stream
.concat(Stream.of(functionNames), Stream.concat(Stream.of(consumerNames), Stream.of(supplierNames))).collect(Collectors.toList());
Object fnObject = null;
if (!ObjectUtils.isEmpty(names)) {
Assert.isTrue(names.size() == 1, "Found more then one function in BeanFactory: " + names
+ ". Consider providing 'spring.cloud.function.definition' property.");
definition = names.get(0);
fnObject = this.applicationContext.getBean(definition);
}
else {
if (this.registrationsByName.size() > 0) {
Assert.isTrue(this.registrationsByName.size() == 1, "Found more then one function in local registry");
definition = this.registrationsByName.keySet().iterator().next();
fnObject = this.registrationsByName.values().iterator().next().getTarget();
}
}
if (StringUtils.hasText(definition)) {
Type functionType = discoverFunctionType(this.applicationContext.getBean(definition), definition);
Type functionType = discoverFunctionType(fnObject, definition);
if (!FunctionTypeUtils.isSupplier(functionType) && !FunctionTypeUtils.isFunction(functionType) && !FunctionTypeUtils.isConsumer(functionType)) {
logger.info("Discovered functional instance of bean '" + definition + "' as a default function, however its "
+ "function argument types can not be determined. Discarding.");