Package org.terrier.structures

Class FSOMapFileLexiconGeneric.MapFileLexiconEntryIterator<T extends org.apache.hadoop.io.WritableComparable<?>>

java.lang.Object

org.terrier.structures.FSOMapFileLexiconGeneric.MapFileLexiconEntryIterator<T>

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, java.util.Iterator<LexiconEntry>, Skipable

Direct Known Subclasses:

FSOMapFileLexicon.MapFileLexiconEntryIterator

Enclosing class:

FSOMapFileLexiconGeneric<K1,K2 extends org.apache.hadoop.io.WritableComparable>

public static class FSOMapFileLexiconGeneric.MapFileLexiconEntryIterator<T extends org.apache.hadoop.io.WritableComparable<?>>
extends java.lang.Object
implements java.util.Iterator<LexiconEntry>, java.io.Closeable, Skipable

Iterate through the values in order

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.Iterator<java.util.Map.Entry<T,LexiconEntry>>	internalIterator

Constructor Summary

Constructors

Constructor	Description
MapFileLexiconEntryIterator(java.lang.String structureName, java.lang.String path, java.lang.String prefix, FixedSizeWriteableFactory<T> keyFactory, FixedSizeWriteableFactory<LexiconEntry> valueFactory)	Construct an instance of the class with
MapFileLexiconEntryIterator(java.lang.String structureName, IndexOnDisk index)	Construct an instance of the class with
MapFileLexiconEntryIterator(java.lang.String filename, FixedSizeWriteableFactory<T> keyFactory, FixedSizeWriteableFactory<LexiconEntry> valueFactory)	Construct an instance of the class with
MapFileLexiconEntryIterator(java.util.Iterator<java.util.Map.Entry<T,LexiconEntry>> _internalIterator)	Construct an instance of the class with

Method Summary

Modifier and Type	Method	Description
void	close()
boolean	hasNext()
LexiconEntry	next()
void	remove()
void	skip(int numEntries)

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

internalIterator

protected java.util.Iterator<java.util.Map.Entry<T extends org.apache.hadoop.io.WritableComparable<?>,LexiconEntry>> internalIterator

Constructor Detail

MapFileLexiconEntryIterator

public MapFileLexiconEntryIterator(java.lang.String structureName,
                                   IndexOnDisk index)
                            throws java.io.IOException

Construct an instance of the class with

Parameters:

structureName -

index -

Throws:

java.io.IOException

MapFileLexiconEntryIterator

public MapFileLexiconEntryIterator(java.lang.String structureName,
                                   java.lang.String path,
                                   java.lang.String prefix,
                                   FixedSizeWriteableFactory<T> keyFactory,
                                   FixedSizeWriteableFactory<LexiconEntry> valueFactory)
                            throws java.io.IOException

Construct an instance of the class with

Parameters:

structureName -

path -

prefix -

keyFactory -

valueFactory -

Throws:

java.io.IOException

MapFileLexiconEntryIterator

public MapFileLexiconEntryIterator(java.lang.String filename,
                                   FixedSizeWriteableFactory<T> keyFactory,
                                   FixedSizeWriteableFactory<LexiconEntry> valueFactory)
                            throws java.io.IOException

Construct an instance of the class with

Parameters:

filename -

keyFactory -

valueFactory -

Throws:

java.io.IOException

MapFileLexiconEntryIterator

public MapFileLexiconEntryIterator(java.util.Iterator<java.util.Map.Entry<T,LexiconEntry>> _internalIterator)

Construct an instance of the class with

Parameters:

_internalIterator -

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<T extends org.apache.hadoop.io.WritableComparable<?>>

next

public LexiconEntry next()

Specified by:

next in interface java.util.Iterator<T extends org.apache.hadoop.io.WritableComparable<?>>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<T extends org.apache.hadoop.io.WritableComparable<?>>

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.io.Closeable

Throws:

java.io.IOException

skip

public void skip(int numEntries)
          throws java.io.IOException

Specified by:

skip in interface Skipable

Throws:

java.io.IOException