IdentitySet fix

Author: JohannesRabauer

spring-data-eclipse-store/src/main/java/software/xdev/spring/data/eclipse/store/core/IdentitySet.java

@@ -22,11 +22,11 @@
 import java.util.Objects;
 import java.util.Set;
 
+import jakarta.annotation.Nonnull;
+
 import org.eclipse.serializer.meta.NotImplementedYetError;
 import org.springframework.lang.NonNull;
 
-import jakarta.annotation.Nonnull;
-
 
 /**
  * A hash map implementation depending on object identity (==) rather than equality (.equals) to identify elements.
@@ -113,7 +113,8 @@ public boolean retainAll(@Nonnull final Collection<?> c)
 	@Override
 	public boolean removeAll(final Collection<?> c)
 	{
-		return c.stream().map(this.internalMap::remove).anyMatch(Objects::nonNull);
+		// "Why toList?" - So that if you input your own reference (this) into this funciton, it does not break.
+		return c.stream().toList().stream().map(this.internalMap::remove).anyMatch(Objects::nonNull);
 	}
 
 	@Override

spring-data-eclipse-store/src/main/java/software/xdev/spring/data/eclipse/store/repository/EclipseStoreStorage.java

@@ -225,7 +225,7 @@ public synchronized <T> void deleteAll(final Class<T> clazz)
 			this.entitySetCollector.getRelatedIdentitySets(clazz);
 		entityLists.forEach(entityList ->
 		{
-			entityList.removeAll(entities);
+			entityList.removeAll(entityList);
 			this.storageManager.store(entityList.getInternalMap());
 		});
 		if(LOG.isDebugEnabled())

spring-data-eclipse-store/src/test/java/software/xdev/spring/data/eclipse/store/integration/repositories/real/life/example/Invoice.java

@@ -20,13 +20,18 @@
 
 public class Invoice
 {
-	private final List<Position> positions;
+	private List<Position> positions;
 
 	public Invoice(final List<Position> positions)
 	{
 		this.positions = positions;
 	}
 
+	public void setPositions(final List<Position> positions)
+	{
+		this.positions = positions;
+	}
+	
 	public List<Position> getPositions()
 	{
 		return this.positions;