feat: add retrieval of RegisteredController by name

Signed-off-by: Chris Laprun <[email protected]>

Author: metacosm

operator-framework-core/src/main/java/io/javaoperatorsdk/operator/RuntimeInfo.java

@@ -1,7 +1,9 @@
 package io.javaoperatorsdk.operator;
 
 import java.util.*;
+import java.util.stream.Collectors;
 
+import io.fabric8.kubernetes.api.model.HasMetadata;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -22,14 +24,15 @@ public class RuntimeInfo {
   private final Operator operator;
 
   public RuntimeInfo(Operator operator) {
-    this.registeredControllers = operator.getRegisteredControllers();
+    this.registeredControllers = Collections.unmodifiableSet(operator.getRegisteredControllers());
     this.operator = operator;
   }
 
   public boolean isStarted() {
     return operator.isStarted();
   }
 
+  @SuppressWarnings("unused")
   public Set<RegisteredController> getRegisteredControllers() {
     checkIfStarted();
     return registeredControllers;
@@ -80,4 +83,13 @@ public Map<String, Map<String, EventSourceHealthIndicator>> unhealthyEventSource
     }
     return res;
   }
+
+  @SuppressWarnings({"unchecked", "unused"})
+  public RegisteredController<? extends HasMetadata> getRegisteredController(String controllerName) {
+      checkIfStarted();
+    return registeredControllers.stream()
+            .filter(rc -> rc.getConfiguration().getName().equals(controllerName))
+            .findFirst()
+            .orElse(null);
+  }
 }