ChangeAction (Hop Engine 2.3.0 API)

java.lang.Object
- org.apache.hop.core.undo.ChangeAction

```
public class ChangeAction
extends Object
```
This class store undo and redo information...
Possible changes to a pipeline:
transform
hop
note
connection

Build an Undo/Redo class containing:
Type of change
Description of action
Link to previous infomation

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class ChangeAction.ActionType

Constructor Summary

Constructors
Constructor Description

ChangeAction()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Object[]`	`getCurrent()`
`int[]`	`getCurrentIndex()`
`Point[]`	`getCurrentLocation()`
`boolean`	`getNextAlso()`	Get the status of the nextAlso flag.
`Object[]`	`getPrevious()`
`int[]`	`getPreviousIndex()`
`Point[]`	`getPreviousLocation()`
`ChangeAction.ActionType`	`getType()`
`void`	`setChanged(Object[] prev, Object[] curr, int[] idx)`
`void`	`setDelete(Object[] prev, int[] idx)`
`void`	`setItemMove(int[] prev, int[] curr)`
`void`	`setNew(Object[] prev, int[] position)`
`void`	`setNextAlso(boolean nextAlso)`	Indicate that the next operations needs to be undone too.
`void`	`setPosition(Object[] obj, int[] idx, Point[] prev, Point[] curr)`
`String`	`toString()`

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

Constructor Detail
- ChangeAction
```
public ChangeAction()
```

Method Detail

setDelete

public void setDelete(Object[] prev,
                      int[] idx)

setChanged

public void setChanged(Object[] prev,
                       Object[] curr,
                       int[] idx)

setNew

public void setNew(Object[] prev,
                   int[] position)

setPosition

public void setPosition(Object[] obj,
                        int[] idx,
                        Point[] prev,
                        Point[] curr)

setItemMove

public void setItemMove(int[] prev,
                        int[] curr)

getType

public ChangeAction.ActionType getType()

getPrevious
```
public Object[] getPrevious()
```

getCurrent
```
public Object[] getCurrent()
```

getPreviousLocation
```
public Point[] getPreviousLocation()
```

getCurrentLocation
```
public Point[] getCurrentLocation()
```

getPreviousIndex
```
public int[] getPreviousIndex()
```

getCurrentIndex
```
public int[] getCurrentIndex()
```

setNextAlso
```
public void setNextAlso(boolean nextAlso)
```
Indicate that the next operations needs to be undone too.

Parameters:

nextAlso - The nextAlso to set.

getNextAlso
```
public boolean getNextAlso()
```
Get the status of the nextAlso flag.

Returns:

true if the next operation needs to be done too.

toString
```
public String toString()
```
Overrides:

toString in class Object