Package org.apache.lucene.store

Class Directory.IndexInputSlicer

java.lang.Object

org.apache.lucene.store.Directory.IndexInputSlicer

All Implemented Interfaces:

Closeable, AutoCloseable

Enclosing class:

Directory

public abstract class Directory.IndexInputSlicer
extends Object
implements Closeable

Allows to create one or more sliced IndexInput instances from a single file handle. Some Directory implementations may be able to efficiently map slices of a file into memory when only certain parts of a file are required.

Constructor Summary

Constructors

Constructor	Description
IndexInputSlicer()

Method Summary

Modifier and Type	Method	Description
abstract IndexInput	openFullSlice()	Deprecated. Only for reading CFS files from 3.x indexes.
abstract IndexInput	openSlice(String sliceDescription, long offset, long length)	Returns an IndexInput slice starting at the given offset with the given length.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.io.Closeable

close

Constructor Detail

IndexInputSlicer

public IndexInputSlicer()

Method Detail

openSlice

public abstract IndexInput openSlice(String sliceDescription,
                                     long offset,
                                     long length)
                              throws IOException

Returns an IndexInput slice starting at the given offset with the given length.

Throws:

IOException

openFullSlice

@Deprecated
public abstract IndexInput openFullSlice()
                                  throws IOException

Deprecated.

Only for reading CFS files from 3.x indexes.

Returns an IndexInput slice starting at offset 0 with a length equal to the length of the underlying file

Throws:

IOException