}

        @Override
        public State getTaskState() {
            return taskNode.getTaskState();
        }

        @Override
        public String healthDiagnostics() {
            return taskNode.healthDiagnostics();
        }
    }

            return Node.DependenciesState.COMPLETE_AND_SUCCESSFUL;
        } else {
            return Node.DependenciesState.NOT_COMPLETE;
        }
    }

    @Override
    public void healthDiagnostics(StringBuilder builder) {
        builder.append("dependencies=").append(Node.formatNodes(orderedDependencies));
        if (waitingFor != null && !waitingFor.isEmpty()) {

            List<WorkSource.Diagnostics> allDiagnostics = new ArrayList<>(queues.size());
            for (PlanDetails details : queues) {
                allDiagnostics.add(details.source.healthDiagnostics());
            }
            for (WorkSource.Diagnostics diagnostics : allDiagnostics) {
                diagnostics.describeTo(formatter);
            }
        }
    }