MergeScheduler (Lucene 3.6.2 API)

java.lang.Object
- org.apache.lucene.index.MergeScheduler

Direct Known Subclasses:

ConcurrentMergeScheduler, NoMergeScheduler, SerialMergeScheduler
```
public abstract class MergeScheduler
extends Object
```
Expert: IndexWriter uses an instance implementing this interface to execute the merges selected by a MergePolicy. The default MergeScheduler is ConcurrentMergeScheduler.

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

Constructor Summary

Constructors
Constructor Description

MergeScheduler()

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`abstract void`	`close()`	Close this MergeScheduler.
`abstract void`	`merge(IndexWriter writer)`	Run the merges provided by `IndexWriter.getNextMerge()`.

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

Constructor Detail
- MergeScheduler
```
public MergeScheduler()
```

Method Detail

merge

public abstract void merge(IndexWriter writer)
                    throws CorruptIndexException,
                           IOException

Run the merges provided by IndexWriter.getNextMerge().

Throws:: CorruptIndexException; IOException

close

public abstract void close()
                    throws CorruptIndexException,
                           IOException

Close this MergeScheduler.

Throws:: CorruptIndexException; IOException