AutoTuneDiffCollection (ebean autotune 12.6.4 API)

java.lang.Object
- io.ebeaninternal.server.autotune.service.AutoTuneDiffCollection

```
public class AutoTuneDiffCollection
extends Object
```
Event where profiling information is collected and processed for differences relative to the current query tuning.

Constructor Summary

Constructors
Constructor	Description
`AutoTuneDiffCollection(AutoTuneCollection profiling, BaseQueryTuner queryTuner, boolean updateTuning)`	Construct to collect/report the new/diff query tuning entries.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`getChangeCount()`	Return the total new and diff entries.
`int`	`getDiffCount()`	Return the number of diff entries.
`Autotune`	`getDocument()`	Return the underlying Autotune document object.
`int`	`getNewCount()`	Return the number of new entries.
`boolean`	`isEmpty()`	Return true if there are no new or diff entries.
`void`	`process()`	Process checking profiling entries against existing query tuning.
`void`	`writeFile(String filePrefix)`	Write the underlying document as an xml file.

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

- Constructor Detail
  - AutoTuneDiffCollection
```
public AutoTuneDiffCollection(AutoTuneCollection profiling,
                              BaseQueryTuner queryTuner,
                              boolean updateTuning)
```
    Construct to collect/report the new/diff query tuning entries.
- Method Detail
  - isEmpty
```
public boolean isEmpty()
```
    Return true if there are no new or diff entries.
  - getDocument
```
public Autotune getDocument()
```
    Return the underlying Autotune document object.
  - getDiffCount
```
public int getDiffCount()
```
    Return the number of diff entries.
  - getNewCount
```
public int getNewCount()
```
    Return the number of new entries.
  - getChangeCount
```
public int getChangeCount()
```
    Return the total new and diff entries.
  - writeFile
```
public void writeFile(String filePrefix)
```
    Write the underlying document as an xml file.
  - process
```
public void process()
```
    Process checking profiling entries against existing query tuning.