public override void main() { IIteratorInstance <IKVPair <OKey, OValue> > output_pairs = (IIteratorInstance <IKVPair <OKey, OValue> >)Output_pairs.Instance; IIteratorInstance <IKVPair <IKey, IValue> > input_pairs = (IIteratorInstance <IKVPair <IKey, IValue> >)Input_pairs.Instance; object pair; while (iterate_pairs.has_next()) { while (iterate_pairs.fetch_next(out pair)) { input_pairs.put(pair); } input_pairs.finish(); } iterate_pairs.fetch_next(out pair); input_pairs.finish(); while (iterate_pairs.fetch_next(out pair)) { output_pairs.put(pair); } output_pairs.finish(); }
private void file_writer() { object pair_obj = null; output_buffer = new string[CHUNK_SIZE]; int pair_counter = 0; bool end_iteration = false; while (!end_iteration) { if (!client.has_next()) { end_iteration = true; } while (client.fetch_next(out pair_obj)) { //IKVPairInstance<IString,IInteger> pair = (IKVPairInstance<IString,IInteger>)pair_obj; output_buffer [pair_counter] = server.formatRepresentation(pair_obj); //pair.Key + ": " + pair.Value; pair_counter++; if (pair_counter >= CHUNK_SIZE) { server.writeLines(output_buffer); pair_counter = 0; } } } for (int i = pair_counter; i < CHUNK_SIZE; i++) { output_buffer [i] = ""; } server.writeLines(output_buffer); }
public override void main() { Console.WriteLine(this.Rank + ": SPLITTER 1 "); IPortTypeIterator input_instance = (IPortTypeIterator)Source.Client; // TODO: será que READ_SOURCE é necessária ??? Task_binding_data.TraceFlag = true; Task_binding_data.invoke(ITaskPortData.READ_SOURCE); // CALCULATE SubGraph TARGET int nfr = this.FacetMultiplicity [FACET_REDUCE]; int r_size = 0; foreach (int i in this.FacetIndexes[FACET_REDUCE]) { r_size += this.UnitSizeInFacet [i] ["gusty_collector"]; } Console.WriteLine(this.Rank + ": SPLITTER 2 "); Source.startReadSource(r_size); // subgrafos divididos em GIF, com destino final nos r_size redutores Console.WriteLine(this.Rank + ": SPLITTER 3 "); object bin_object = null; bool set_table_partition = true; // CALCULATE TARGETs IDictionary <int, Tuple <int, int> > unit_ref = new Dictionary <int, Tuple <int, int> > (); int nf = this.FacetMultiplicity [FACET_MAP]; int m_size = 0; foreach (int i in this.FacetIndexes[FACET_MAP]) { int nr0 = m_size; m_size += this.UnitSizeInFacet [i] ["gusty_feeder"]; for (int k = 0, j = nr0; j < m_size; k++, j++) { unit_ref [j] = new Tuple <int, int> (i /*, 0 INDEX OF gusty_feeder */, k); } } Console.WriteLine(this.Rank + ": SPLITTER 4 "); Task_binding_split_first.TraceFlag = true; Split_channel.TraceFlag = true; Thread t_output = new Thread(new ThreadStart(delegate { Task_binding_data.invoke(ITaskPortData.TERMINATE); Task_binding_data.invoke(ITaskPortData.WRITE_SINK); })); t_output.Start(); Console.WriteLine(this.Rank + ": SPLITTER 5 "); bool end_iteration = false; while (!end_iteration) // take next chunk { IActionFuture sync_perform; Console.WriteLine(this.Rank + ": SPLITTER READ SOURCE - BEFORE READ_CHUNK " + m_size); /* All the pairs will be read from the source in a single chunk */ Task_binding_split_first.invoke(ITaskPortAdvance.READ_CHUNK); //**** Task_binding_split_first.invoke(ITaskPortAdvance.PERFORM, out sync_perform); IList <IKVPairInstance <IInteger, GIF> >[] buffer = new IList <IKVPairInstance <IInteger, GIF> > [m_size]; for (int i = 0; i < m_size; i++) { buffer [i] = new List <IKVPairInstance <IInteger, GIF> > (); } Console.WriteLine(this.Rank + ": BEGIN READING CHUNKS and distributing to MAPPERS m_size=" + m_size); if (!input_instance.has_next()) { end_iteration = true; } Bin_function_gif.NumberOfPartitions = m_size; while (input_instance.fetch_next(out bin_object)) { IKVPairInstance <IInteger, GIF> item = (IKVPairInstance <IInteger, GIF>)bin_object; this.Input_key_gif.Instance = item.Value; //item.Key; Bin_function_gif.go(); int index = ((IIntegerInstance)this.Output_key_gif.Instance).Value; buffer [index].Add(item); } Console.WriteLine(this.Rank + ": END READING CHUNKS and distributing to MAPPERS"); for (int i = 0; i < m_size; i++) { Console.WriteLine("buffer[" + i + "].Count = " + buffer [i].Count); } Console.WriteLine(this.Rank + ": BEGIN SENDING CHUNKS to the MAPPERS "); // PERFORM for (int i = 0; i < m_size; i++) { Split_channel.Send(buffer [i], unit_ref [i], end_iteration ? TAG_SPLIT_END_CHUNK : TAG_SPLIT_NEW_CHUNK); } sync_perform.wait(); Console.WriteLine(this.Rank + ": END SENDING CHUNKS to the MAPPERS "); Task_binding_split_first.invoke(ITaskPortAdvance.CHUNK_READY); } Console.WriteLine(this.Rank + ": FINISH SPLITTER READ SOURCE "); t_output.Join(); Console.WriteLine(this.Rank + ": FINISH SPLITTER READ SOURCE - INVOKE TERMINATE"); }