org.apache.lucene.index

Class MergeScheduler

java.lang.Object

org.apache.lucene.index.MergeScheduler

All Implemented Interfaces:

Closeable

Direct Known Subclasses:

ConcurrentMergeScheduler, NoMergeScheduler, SerialMergeScheduler

public abstract class MergeScheduler
extends Object
implements Closeable

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

Modifier	Constructor and Description
protected	MergeScheduler() Sole constructor.

Method Summary

Methods

Modifier and Type	Method and 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

protected MergeScheduler()

Sole constructor. (For invocation by subclass constructors, typically implicit.)

Method Detail

merge

public abstract void merge(IndexWriter writer)
                    throws IOException

Run the merges provided by IndexWriter.getNextMerge().

Throws:

IOException

close

public abstract void close()
                    throws IOException

Close this MergeScheduler.

Specified by:

close in interface Closeable

Throws:

IOException