final List<ExecutionVertex> verticesToBeReplayed = new ArrayList<ExecutionVertex>();
for (int i = 0; i < previousStage.getNumberOfOutputExecutionVertices(); ++i) {
final ExecutionVertex vertex = previousStage.getOutputExecutionVertex(i);
vertex.updateExecutionState(ExecutionState.ASSIGNED);
verticesToBeReplayed.add(vertex);
}
deployAssignedVertices(verticesToBeReplayed);
}