Package org.openrefine.history.dag

Class AdditionSlice

java.lang.Object

org.openrefine.history.dag.AdditionSlice

All Implemented Interfaces:

DagSlice

public class AdditionSlice
extends Object
implements DagSlice

History slice which represents the addition of multiple consecutive columns, which all depend on the same set of input columns.

Constructor Summary

Constructors

Constructor	Description
AdditionSlice(Set<String> inputColumns, List<ColumnMetadata> outputColumns, int insertionPosition)

Method Summary

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)
Set<String>	getInputColumns()
int	getInsertionPosition()
List<ColumnMetadata>	getOutputColumns()
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

AdditionSlice

public AdditionSlice(Set<String> inputColumns,
                     List<ColumnMetadata> outputColumns,
                     int insertionPosition)

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

getInputColumns

public Set<String> getInputColumns()

Returns:

the set of column names this slice depends on

getOutputColumns

public List<ColumnMetadata> getOutputColumns()

Returns:

the list of columns created by the operation, in the insertion order

getInsertionPosition

public int getInsertionPosition()

Returns:

the position in the list of columns where new columns are inserted

equals

public boolean equals(Object other)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object