IChangeHistoryTracer (EASy-Producer Documentation API)

```
public interface IChangeHistoryTracer
```
Allows tracing configuration history changes.

Author:

Holger Eichelberger

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`committed(Configuration config)`	Committed a change set.
`void`	`committing(Configuration config)`	Start committing a change set.
`void`	`recordedChangedVariable(AbstractIvmlVariable variable, Value value)`	Recorded a change.
`void`	`recordedOriginalVariable(AbstractIvmlVariable variable, Value value)`	Recording the original value for `variable`.
`void`	`rolledBack(Configuration config)`	Rolled back a change set.
`void`	`rollingBack(Configuration config)`	Rolling back a change set.
`void`	`started(Configuration config)`	Started a new change set.

- Method Detail
  - recordedOriginalVariable
```
void recordedOriginalVariable(AbstractIvmlVariable variable,
                              Value value)
```
    Recording the original value for variable.
    
    Parameters:
    
    variable - the variable the original value is recorded for
    
    value - the original value
  - recordedChangedVariable
```
void recordedChangedVariable(AbstractIvmlVariable variable,
                             Value value)
```
    Recorded a change.
    
    Parameters:
    
    variable - the variable the change is recorded for
    
    value - the value before the change
  - committing
```
void committing(Configuration config)
```
    Start committing a change set.
    
    Parameters:
    
    config - the underlying configuration
  - committed
```
void committed(Configuration config)
```
    Committed a change set.
    
    Parameters:
    
    config - the underlying configuration
  - rollingBack
```
void rollingBack(Configuration config)
```
    Rolling back a change set.
    
    Parameters:
    
    config - the underlying configuration
  - rolledBack
```
void rolledBack(Configuration config)
```
    Rolled back a change set.
    
    Parameters:
    
    config - the underlying configuration
  - started
```
void started(Configuration config)
```
    Started a new change set.
    
    Parameters:
    
    config - the underlying configuration