Processor2.java

import java.util.List;

import uk.ac.imperial.lsds.seep.api.API;
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.OTuple;
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;


public class Processor2 implements SeepTask {

	private Schema schema = SchemaBuilder.getInstance().newField(Type.INT, "userId").newField(Type.LONG, "ts").newField(Type.STRING, "text").build();
	
	@Override
	public void processData(ITuple data, API api) {
		int userId = data.getInt("userId");
		long ts = data.getLong("ts");
		String text = data.getString("text");
		text = text + "_processed by 2";
		ts = ts + ts + 1;
		byte[] processedData = OTuple.create(schema, new String[]{"userId", "ts", "text"},  new Object[]{userId, ts, text});
		api.send(processedData);
		System.out.println("Send back to processor ts -> "+ts);
	}

	@Override
	public void setUp() {
		// TODO Auto-generated method stub

	}
	
	@Override
	public void close() {
		// TODO Auto-generated method stub

	}

	@Override
	public void processDataGroup(List<ITuple> arg0, API arg1) {
		// TODO Auto-generated method stub
		
	}

}