org.terrier.structures

Class CompressingMetaIndex.InputStream

java.lang.Object

org.terrier.structures.CompressingMetaIndex.InputStream

All Implemented Interfaces:

Closeable, AutoCloseable, Iterator<String[]>

Enclosing class:

CompressingMetaIndex

public static class CompressingMetaIndex.InputStream
extends Object
implements Iterator<String[]>, Closeable

An iterator for reading a MetaIndex as a stream

Field Summary

Fields

Modifier and Type	Field and Description
protected int	compressionLevel
protected long	fileLength
protected Inflater	inflater
protected int[]	keyByteOffset
protected int	keyCount
protected long	lastOffset
protected int	recordLength
protected int[]	valueByteLengths

Constructor Summary

Constructors

Constructor and Description
InputStream(IndexOnDisk _index, String structureName) Constructs an instance of the class with
InputStream(IndexOnDisk _index, String _structureName, int _startingId, int _endId) Constructs an instance of the class with

Method Summary

Modifier and Type	Method and Description
void	close()
int	getIndex() Return the position that we are at (entry number)
boolean	hasNext()
String[]	next()
void	remove()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Field Detail

compressionLevel

protected final int compressionLevel

recordLength

protected final int recordLength

inflater

protected Inflater inflater

keyCount

protected int keyCount

keyByteOffset

protected int[] keyByteOffset

valueByteLengths

protected int[] valueByteLengths

lastOffset

protected long lastOffset

fileLength

protected long fileLength

Constructor Detail

InputStream

public InputStream(IndexOnDisk _index,
                   String _structureName,
                   int _startingId,
                   int _endId)
            throws IOException

Constructs an instance of the class with

Parameters:

_index -

_structureName -

_startingId -

_endId -

Throws:

IOException

InputStream

public InputStream(IndexOnDisk _index,
                   String structureName)
            throws IOException

Constructs an instance of the class with

Parameters:

_index -

structureName -

Throws:

IOException

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<String[]>

getIndex

public int getIndex()

Return the position that we are at (entry number)

next

public String[] next()

Specified by:

next in interface Iterator<String[]>

remove

public void remove()

Specified by:

remove in interface Iterator<String[]>

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException