MergeScheduler.MergeSource (Lucene 9.11.1 core API)

Enclosing class:

MergeScheduler
```
public static interface MergeScheduler.MergeSource
```
Provides access to new merges and executes the actual merge

WARNING: This API is experimental and might change in incompatible ways in the next release.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`MergePolicy.OneMerge`	`getNextMerge()`	The `MergeScheduler` calls this method to retrieve the next merge requested by the MergePolicy
`boolean`	`hasPendingMerges()`	Expert: returns true if there are merges waiting to be scheduled.
`void`	`merge(MergePolicy.OneMerge merge)`	Merges the indicated segments, replacing them in the stack with a single segment.
`void`	`onMergeFinished(MergePolicy.OneMerge merge)`	Does finishing for a merge.

- Method Detail
  - getNextMerge
```
MergePolicy.OneMerge getNextMerge()
```
    The MergeScheduler calls this method to retrieve the next merge requested by the MergePolicy
  - onMergeFinished
```
void onMergeFinished(MergePolicy.OneMerge merge)
```
    Does finishing for a merge.
  - hasPendingMerges
```
boolean hasPendingMerges()
```
    Expert: returns true if there are merges waiting to be scheduled.
  - merge
```
void merge(MergePolicy.OneMerge merge)
    throws IOException
```
    Merges the indicated segments, replacing them in the stack with a single segment.
    
    Throws:
    
    IOException