org.apache.lucene.index
Class IndexWriter.IndexReaderWarmer

java.lang.Object
  org.apache.lucene.index.IndexWriter.IndexReaderWarmer

Enclosing class:

IndexWriter

public abstract static class IndexWriter.IndexReaderWarmer
extends Object

If IndexWriter.getReader() has been called (ie, this writer is in near real-time mode), then after a merge completes, this class can be invoked to warm the reader on the newly merged segment, before the merge commits. This is not required for near real-time search, but will reduce search latency on opening a new near real-time reader after a merge completes.

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

NOTE: warm is called before any deletes have been carried over to the merged segment.

Constructor Summary

IndexWriter.IndexReaderWarmer()

Method Summary

abstract void

warm(IndexReader reader)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IndexWriter.IndexReaderWarmer

public IndexWriter.IndexReaderWarmer()

Method Detail

warm

public abstract void warm(IndexReader reader)
                   throws IOException

Throws:

IOException