public void unrelateAcrossR4202From(Component_c target, boolean notifyChanges) { if (target == null) return; if (CanBeNestedInComponent == null) return; // already unrelated if (target != CanBeNestedInComponent) { Exception e = new Exception(); e.fillInStackTrace(); CorePlugin.logError("Tried to unrelate from non-related instance across R4202", e); return; } if (target != null) { target.clearBackPointerR4202To(this); } if (CanBeNestedInComponent != null) { m_parent_id = CanBeNestedInComponent.getId(); if (IdAssigner.NULL_UUID.equals(m_parent_id)) { m_parent_id = CanBeNestedInComponent.getIdCachedValue(); } CanBeNestedInComponent = null; target.removeRef(); if (notifyChanges) { RelationshipChangeModelDelta change = new RelationshipChangeModelDelta( Modeleventnotification_c.DELTA_ELEMENT_UNRELATED, this, target, "4202", ""); Ooaofooa.getDefaultInstance().fireModelElementRelationChanged(change); } } }