/** * Extract the grouping columns from value to construct a new key. Pass the * new key and value to reduce. If any of the grouping columns are not found * in the value, the record is skipped. * * @param key The current key. * @param value The current value. * @param context The current context. * @throws IOException When writing the record fails. * @throws InterruptedException When the job is aborted. */ @Override public void map(ImmutableBytesWritable key, Result value, Context context) throws IOException, InterruptedException { byte[][] keyVals = extractKeyValues(value); if(keyVals != null) { ImmutableBytesWritable tKey = createGroupKey(keyVals); context.write(tKey, value); } }
/** * Extract the grouping columns from value to construct a new key. Pass the * new key and value to reduce. If any of the grouping columns are not found * in the value, the record is skipped. * * @param key The current key. * @param value The current value. * @param context The current context. * @throws IOException When writing the record fails. * @throws InterruptedException When the job is aborted. */ @Override public void map(ImmutableBytesWritable key, Result value, Context context) throws IOException, InterruptedException { byte[][] keyVals = extractKeyValues(value); if(keyVals != null) { ImmutableBytesWritable tKey = createGroupKey(keyVals); context.write(tKey, value); } }
/** * Extract the grouping columns from value to construct a new key. Pass the * new key and value to reduce. If any of the grouping columns are not found * in the value, the record is skipped. * * @param key The current key. * @param value The current value. * @param context The current context. * @throws IOException When writing the record fails. * @throws InterruptedException When the job is aborted. */ @Override public void map(ImmutableBytesWritable key, Result value, Context context) throws IOException, InterruptedException { byte[][] keyVals = extractKeyValues(value); if(keyVals != null) { ImmutableBytesWritable tKey = createGroupKey(keyVals); context.write(tKey, value); } }
/** * Extract the grouping columns from value to construct a new key. Pass the * new key and value to reduce. If any of the grouping columns are not found * in the value, the record is skipped. * * @param key The current key. * @param value The current value. * @param context The current context. * @throws IOException When writing the record fails. * @throws InterruptedException When the job is aborted. */ @Override public void map(ImmutableBytesWritable key, Result value, Context context) throws IOException, InterruptedException { byte[][] keyVals = extractKeyValues(value); if(keyVals != null) { ImmutableBytesWritable tKey = createGroupKey(keyVals); context.write(tKey, value); } }
/** * Extract the grouping columns from value to construct a new key. Pass the * new key and value to reduce. If any of the grouping columns are not found * in the value, the record is skipped. * * @param key The current key. * @param value The current value. * @param context The current context. * @throws IOException When writing the record fails. * @throws InterruptedException When the job is aborted. */ @Override public void map(ImmutableBytesWritable key, Result value, Context context) throws IOException, InterruptedException { byte[][] keyVals = extractKeyValues(value); if(keyVals != null) { ImmutableBytesWritable tKey = createGroupKey(keyVals); context.write(tKey, value); } }