RecordChangeDataJoiner (OpenRefine 4.0-SNAPSHOT API)

Type Parameters:

T -

All Superinterfaces:

Serializable

All Known Implementing Classes:

ColumnAdditionOperation.Joiner, ExtendDataOperation.DataExtensionJoiner, ReconOperation.Joiner, RowInRecordChangeDataJoiner, TextTransformOperation.Joiner
```
public interface RecordChangeDataJoiner<T>
extends Serializable
```
Joins grid data to change data to produce a new grid. This is to be used only for expensive changes whose data must be persisted to disk - other changes should just use RecordMapper.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`List<Row>`	`call(Record record, IndexedData<T> indexedData)`	Given a record and the pre-computed change data for this record, return the new rows in the record after the change.
`boolean`	`preservesRecordStructure()`	Indicates whether this joiner is guaranteed to preserve the record boundaries on the grid it is applied to.

- Method Detail
  - call
```
List<Row> call(Record record,
               IndexedData<T> indexedData)
```
    Given a record and the pre-computed change data for this record, return the new rows in the record after the change.
  - preservesRecordStructure
```
boolean preservesRecordStructure()
```
    Indicates whether this joiner is guaranteed to preserve the record boundaries on the grid it is applied to.