protected void doMap(KEYIN key, VALUEIN value, Mapper<KEYIN, VALUEIN, KEYOUT, VALUEOUT>.Context context) throws IOException, InterruptedException { super.map(key, value, context); }
protected void doMap(KEYIN key, VALUEIN value, Mapper<KEYIN, VALUEIN, KEYOUT, VALUEOUT>.Context context) throws IOException, InterruptedException { super.map(key, value, context); }
public void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException { if (ioEx) { throw new IOException(); } if (rtEx) { throw new RuntimeException(); } super.map(key, value, context); } }
@Override protected void map( final LongWritable key, final DoubleWritable value, final org.apache.hadoop.mapreduce.Mapper.Context context) throws IOException, InterruptedException { long positiveKey = key.get(); double adjustedValue = value.get(); if (positiveKey < 0) { positiveKey = -positiveKey - 1; adjustedValue *= -1; } super.map(new LongWritable(positiveKey), new DoubleWritable(adjustedValue), context); } }
public void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException { if (ioEx) { throw new IOException(); } if (rtEx) { throw new RuntimeException(); } super.map(key, value, context); } }
/** * Expert users can override this method for more complete control over the * execution of the Mapper. * @param context * @throws IOException */ public void run(Context context) throws IOException, InterruptedException { setup(context); while (context.nextKeyValue()) { map(context.getCurrentKey(), context.getCurrentValue(), context); } cleanup(context); } }
/** * Expert users can override this method for more complete control over the * execution of the Mapper. * @param context * @throws IOException */ public void run(Context context) throws IOException, InterruptedException { setup(context); while (context.nextKeyValue()) { map(context.getCurrentKey(), context.getCurrentValue(), context); } cleanup(context); } }
/** * Expert users can override this method for more complete control over the * execution of the Mapper. * @param context * @throws IOException */ public void run(Context context) throws IOException, InterruptedException { setup(context); try { while (context.nextKeyValue()) { map(context.getCurrentKey(), context.getCurrentValue(), context); } } finally { cleanup(context); } } }
/** * Expert users can override this method for more complete control over the * execution of the Mapper. * @param context * @throws IOException */ public void run(Context context) throws IOException, InterruptedException { setup(context); try { while (context.nextKeyValue()) { map(context.getCurrentKey(), context.getCurrentValue(), context); } } finally { cleanup(context); } } }
/** * Expert users can override this method for more complete control over the * execution of the Mapper. * @param context * @throws IOException */ public void run(Context context) throws IOException, InterruptedException { setup(context); try { while (context.nextKeyValue()) { map(context.getCurrentKey(), context.getCurrentValue(), context); } } finally { cleanup(context); } } }
/** * Expert users can override this method for more complete control over the * execution of the Mapper. * @param context * @throws IOException */ public void run(Context context) throws IOException, InterruptedException { setup(context); try { while (context.nextKeyValue()) { map(context.getCurrentKey(), context.getCurrentValue(), context); } } finally { cleanup(context); } } }