GH-8750: Add @Nullable to getRegistrationById()

Fixes #8750 * annotate `IntegrationFlowRegistration.getRegistrationById(String flowId)` with `@org.springframework.lang.Nullable` * annotate `StandardIntegrationFlowContext.getRegistrationById(String flowId)` with `@org.springframework.lang.Nullable` **Cherry-pick to `6.1.x` & `6.0.x`**
spring-projects · Oct 10, 2023 · 49cd14c · 49cd14c
1 parent 75fcdda
commit 49cd14c
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diff --git a/...ore/src/main/java/org/springframework/integration/dsl/context/IntegrationFlowContext.java b/...ore/src/main/java/org/springframework/integration/dsl/context/IntegrationFlowContext.java
@@ -70,6 +70,7 @@ public interface IntegrationFlowContext {
 	 * @param flowId the bean name to obtain
 	 * @return the IntegrationFlowRegistration for provided {@code id} or {@code null}
 	 */
+	@Nullable
 	IntegrationFlowRegistration getRegistrationById(String flowId);
 
 	/**

diff --git a/...main/java/org/springframework/integration/dsl/context/StandardIntegrationFlowContext.java b/...main/java/org/springframework/integration/dsl/context/StandardIntegrationFlowContext.java
@@ -178,6 +178,7 @@ private void registerBean(Object bean, @Nullable String beanNameArg, String pare
 	 * @return the IntegrationFlowRegistration for provided {@code id} or {@code null}
 	 */
 	@Override
+	@Nullable
 	public IntegrationFlowRegistration getRegistrationById(String flowId) {
 		return this.registry.get(flowId);
 	}