org.terrier.structures
Class CompressingMetaIndex.InputStream

java.lang.Object
  org.terrier.structures.CompressingMetaIndex.InputStream

All Implemented Interfaces:

java.io.Closeable, java.util.Iterator<java.lang.String[]>

Enclosing class:

CompressingMetaIndex

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

An iterator for reading a MetaIndex as a stream

Field Summary

protected int	compressionLevel
protected long	fileLength
protected java.util.zip.Inflater	inflater
protected int[]	keyByteOffset
protected int	keyCount
protected long	lastOffset
protected int	recordLength
protected int[]	valueByteLengths

Constructor Summary

CompressingMetaIndex.InputStream(Index _index, java.lang.String structureName)
Constructs an instance of the class with

CompressingMetaIndex.InputStream(Index _index, java.lang.String _structureName, int _startingId, int _endId)
Constructs an instance of the class with

Method Summary

void	close()
int	getIndex() Return the position that we are at (entry number)
boolean	hasNext()
java.lang.String[]	next()
void	remove()

Methods inherited from class java.lang.Object

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

Field Detail

compressionLevel

protected final int compressionLevel

recordLength

protected final int recordLength

inflater

protected java.util.zip.Inflater inflater

keyCount

protected int keyCount

keyByteOffset

protected int[] keyByteOffset

valueByteLengths

protected int[] valueByteLengths

lastOffset

protected long lastOffset

fileLength

protected long fileLength

Constructor Detail

CompressingMetaIndex.InputStream

public CompressingMetaIndex.InputStream(Index _index,
                                        java.lang.String _structureName,
                                        int _startingId,
                                        int _endId)
                                 throws java.io.IOException

Constructs an instance of the class with

Parameters:

_index -

_structureName -

_startingId -

_endId -

Throws:

java.io.IOException

CompressingMetaIndex.InputStream

public CompressingMetaIndex.InputStream(Index _index,
                                        java.lang.String structureName)
                                 throws java.io.IOException

Constructs an instance of the class with

Parameters:

_index -

structureName -

Throws:

java.io.IOException

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<java.lang.String[]>

getIndex

public int getIndex()

Return the position that we are at (entry number)

next

public java.lang.String[] next()

Specified by:

next in interface java.util.Iterator<java.lang.String[]>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<java.lang.String[]>

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Throws:

java.io.IOException