SizzleMapper.java

package sizzle.runtime;

import java.io.IOException;

import org.apache.hadoop.conf.Configurable;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Mapper;
import org.apache.log4j.Logger;

import sizzle.io.EmitKey;
import sizzle.io.EmitValue;

/**
 * A {@link Mapper} that performs the brunt of all Sizzle work.
 * 
 * @author anthonyu
 * 
 */
public abstract class SizzleMapper extends Mapper<LongWritable, Text, EmitKey, EmitValue> implements Configurable {
	protected static final Logger LOG = Logger.getLogger(SizzleMapper.class);

	private Configuration conf;
	protected Context context;
	protected boolean robust;

	/** {@inheritDoc} */
	@Override
	public Configuration getConf() {
		return this.conf;
	}

	/** {@inheritDoc} */
	@Override
	public void setConf(final Configuration conf) {
		this.conf = conf;
		this.robust = conf.getBoolean("sizzle.runtime.robust", false);
	}

	/** {@inheritDoc} */
	@Override
	protected void setup(final Mapper<LongWritable, Text, EmitKey, EmitValue>.Context context) throws IOException, InterruptedException {
		super.setup(context);

		this.context = context;
	}
}