OpaqueSlice (OpenRefine 4.0-SNAPSHOT API)

java.lang.Object
- org.openrefine.history.dag.OpaqueSlice

All Implemented Interfaces:

DagSlice
```
public class OpaqueSlice
extends Object
implements DagSlice
```
An opaque transformation step, which does not commute with any other step. It may use the records mode, or not be row-wise at all.

Field Summary

Fields
Modifier and Type Field Description

ColumnModel columnModel

Constructor Summary

Constructors
Constructor Description

OpaqueSlice(ColumnModel columnModel)
Creates an opaque slice.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`ColumnModel`	`applyToColumns(ColumnModel columns)`	Given the list of columns before the change, return the list of columns after the slice.
`boolean`	`equals(Object other)`
`ColumnModel`	`getColumnModel()`
`int`	`hashCode()`
`String`	`toString()`

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - columnModel
```
public final ColumnModel columnModel
```
- Constructor Detail
  - OpaqueSlice
```
public OpaqueSlice(ColumnModel columnModel)
```
    Creates an opaque slice.
    
    Parameters:
    
    columnModel - the state of the column model after execution of the slice.
- Method Detail
  - applyToColumns
```
public ColumnModel applyToColumns(ColumnModel columns)
                           throws IncompatibleSliceException
```
    Description copied from interface: DagSlice
    
    Given the list of columns before the change, return the list of columns after the slice.
    
    Specified by:
    
    applyToColumns in interface DagSlice
    
    Parameters:
    
    columns - the column metadata before the change, in project order
    
    Returns:
    
    the column metadata after the change
    
    Throws:
    
    IncompatibleSliceException
  - getColumnModel
```
public ColumnModel getColumnModel()
```
    Returns:
    
    columnModel the state of the column model after execution of the slice
  - equals
```
public boolean equals(Object other)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object