WithSyntheticSource.java

package uk.ac.imperial.lsds.seepmaster.scheduler;

import java.util.List;

import uk.ac.imperial.lsds.seep.api.API;
import uk.ac.imperial.lsds.seep.api.DataStore;
import uk.ac.imperial.lsds.seep.api.DataStoreType;
import uk.ac.imperial.lsds.seep.api.QueryComposer;
import uk.ac.imperial.lsds.seep.api.QueryExecutionMode;
import uk.ac.imperial.lsds.seep.api.SeepTask;
import uk.ac.imperial.lsds.seep.api.data.ITuple;
import uk.ac.imperial.lsds.seep.api.data.Schema;
import uk.ac.imperial.lsds.seep.api.data.Type;
import uk.ac.imperial.lsds.seep.api.data.Schema.SchemaBuilder;
import uk.ac.imperial.lsds.seep.api.operator.LogicalOperator;
import uk.ac.imperial.lsds.seep.api.operator.SeepLogicalQuery;
import uk.ac.imperial.lsds.seep.api.operator.sinks.Sink;
import uk.ac.imperial.lsds.seep.api.operator.sources.SyntheticSource;

public class WithSyntheticSource implements QueryComposer {

	@Override
	public SeepLogicalQuery compose() {
		
		Schema schema = SchemaBuilder.getInstance().newField(Type.INT, "userId").newField(Type.LONG, "value").build();
		
		SyntheticSource synSrc = SyntheticSource.newSource(0, null);
		
		LogicalOperator adderOne = queryAPI.newStatelessOperator(new Fake(), 1);
		LogicalOperator adderTwo = queryAPI.newStatelessOperator(new Fake(), 2);
		LogicalOperator branchone = queryAPI.newStatelessOperator(new Fake1(), 3);
		LogicalOperator branchtwo = queryAPI.newStatelessOperator(new Fake2(), 4);
		LogicalOperator snk = queryAPI.newStatelessSink(new Fake3(), 5);
		
		synSrc.connectTo(adderOne, schema, 0);
		synSrc.connectTo(adderTwo, schema, 1);
		adderOne.connectTo(branchone, 2, new DataStore(schema, DataStoreType.NETWORK));
		adderTwo.connectTo(branchtwo, 3, new DataStore(schema, DataStoreType.NETWORK));
		branchone.connectTo(snk, 4, new DataStore(schema, DataStoreType.NETWORK));
		branchtwo.connectTo(snk, 5, new DataStore(schema, DataStoreType.NETWORK));
		
		SeepLogicalQuery slq = queryAPI.build();
		slq.setExecutionModeHint(QueryExecutionMode.ALL_SCHEDULED);
		
		return slq;
	}
	
	class Fake implements SeepTask {
		@Override
		public void setUp() {
			// TODO Auto-generated method stub	
		}
		@Override
		public void processData(ITuple data, API api) {
			// TODO Auto-generated method stub	
		}
		@Override
		public void processDataGroup(List<ITuple> dataList, API api) {
			// TODO Auto-generated method stub	
		}
		@Override
		public void close() {
			// TODO Auto-generated method stub	
		}
	}
	
	class Fake1 implements SeepTask {
		@Override
		public void setUp() {
			// TODO Auto-generated method stub	
		}
		@Override
		public void processData(ITuple data, API api) {
			// TODO Auto-generated method stub	
		}
		@Override
		public void processDataGroup(List<ITuple> dataList, API api) {
			// TODO Auto-generated method stub	
		}
		@Override
		public void close() {
			// TODO Auto-generated method stub	
		}
	}
	
	class Fake2 implements SeepTask {
		@Override
		public void setUp() {
			// TODO Auto-generated method stub	
		}
		@Override
		public void processData(ITuple data, API api) {
			// TODO Auto-generated method stub	
		}
		@Override
		public void processDataGroup(List<ITuple> dataList, API api) {
			// TODO Auto-generated method stub	
		}
		@Override
		public void close() {
			// TODO Auto-generated method stub	
		}
	}
	
	class Fake3 implements Sink {
		@Override
		public void setUp() {
			// TODO Auto-generated method stub	
		}
		@Override
		public void processData(ITuple data, API api) {
			// TODO Auto-generated method stub	
		}
		@Override
		public void processDataGroup(List<ITuple> dataList, API api) {
			// TODO Auto-generated method stub	
		}
		@Override
		public void close() {
			// TODO Auto-generated method stub	
		}
	}

}