Explain "link" sync action failure cause

This resolves MID-7906.
Evolveum · Oct 4, 2022 · 0e746c8 · 0e746c8
1 parent 0f271b9
commit 0e746c8
Showing 1 changed file with 16 additions and 3 deletions.
diff --git a/model/model-impl/src/main/java/com/evolveum/midpoint/model/impl/sync/action/LinkAction.java b/model/model-impl/src/main/java/com/evolveum/midpoint/model/impl/sync/action/LinkAction.java
@@ -13,6 +13,8 @@
 
 import com.evolveum.midpoint.xml.ns._public.common.common_3.LinkSynchronizationActionType;
 
+import com.evolveum.midpoint.xml.ns._public.common.common_3.SynchronizationSituationType;
+
 import org.jetbrains.annotations.NotNull;
 
 import com.evolveum.midpoint.model.impl.lens.LensContext;
@@ -21,6 +23,8 @@
 import com.evolveum.midpoint.schema.result.OperationResult;
 import com.evolveum.midpoint.xml.ns._public.common.common_3.FocusType;
 
+import static com.evolveum.midpoint.xml.ns._public.common.common_3.SynchronizationSituationType.UNLINKED;
+
 /**
  * @author semancik
  *
@@ -38,10 +42,19 @@ public LinkAction(@NotNull ActionInstantiationContext<F> ctx) {
     @Override
     public void prepareContext(@NotNull LensContext<F> context, @NotNull OperationResult result) {
 
-        // Just add the candidate focus to the context. It will be linked in
-        // synchronization.
-
+        // Just add the candidate focus to the context. It will be linked in synchronization.
         F focus = syncCtx.getCorrelatedOwner();
+
+        if (focus == null) {
+            String problem = "Couldn't invoke the 'link' action because there is no correlated owner.";
+            SynchronizationSituationType situation = syncCtx.getSituation();
+            if (situation != UNLINKED) {
+                throw new IllegalStateException(problem + " This action is supported only for UNLINKED situation. "
+                        + "In this case the situation is " + situation + ".");
+            } else {
+                throw new IllegalStateException(problem);
+            }
+        }
         LensFocusContext<F> focusContext = context.createFocusContext();
         //noinspection unchecked
         focusContext.setInitialObject((PrismObject<F>) focus.asPrismObject());