org.apache.lucene.util
Class ReaderUtil.Gather

java.lang.Object
  org.apache.lucene.util.ReaderUtil.Gather

Enclosing class:

ReaderUtil

public abstract static class ReaderUtil.Gather
extends Object

Recursively visits all sub-readers of a reader. You should subclass this and override the add method to gather what you need.

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

Constructor Summary

ReaderUtil.Gather(IndexReader r)

Method Summary

protected abstract void	add(int base, IndexReader r)
int	run()
int	run(int docBase)

Methods inherited from class java.lang.Object

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

Constructor Detail

ReaderUtil.Gather

public ReaderUtil.Gather(IndexReader r)

Method Detail

run

public int run()
        throws IOException

Throws:

IOException

run

public int run(int docBase)
        throws IOException

Throws:

IOException

add

protected abstract void add(int base,
                            IndexReader r)
                     throws IOException

Throws:

IOException