RowFlatMapper (OpenRefine 4.0-SNAPSHOT API)

All Superinterfaces:

Serializable
```
public interface RowFlatMapper
extends Serializable
```
A function applied to a row, returning a list of new rows to replace it. Implementations should be stateless. If a state is required, use RowScanMapper. If multiple rows or no rows can be returned, use RowFlatMapper.

Method Summary

All Methods Static Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`List<Row>`	`call(long rowId, Row row)`
`static RowFlatMapper`	`conditionalMapper(RowFilter filter, RowFlatMapper positive, RowFlatMapper negative)`	Returns a flat mapper which applies one of the two mappers provided depending on the outcome of the filter.

- Method Detail
  - call
```
List<Row> call(long rowId,
               Row row)
```
  - conditionalMapper
```
static RowFlatMapper conditionalMapper(RowFilter filter,
                                       RowFlatMapper positive,
                                       RowFlatMapper negative)
```
    Returns a flat mapper which applies one of the two mappers provided depending on the outcome of the filter. If the filter evaluates to true, the positive mapper is evaluated, otherwise the negative one is used.
    
    Parameters:
    
    filter - the filter to use for the disjunction
    
    positive - what to do if the filter evaluates to true
    
    negative - what to do otherwise
    
    Returns:
    
    the conditional mapper