public MapReduceComputation(Node node, object state,
MapReduceTask task,
MapReduceArgs args)
{
_node = node;
_rpc = node.Rpc;
_mr_request_state = state;
_mr_task = task;
_mr_args = args;
//Here is our state variable:
_state = new State();
_result = State.DEFAULT_OBJ;
}