org.terrier.structures.collections

Class FSArrayFileInMem<V extends org.apache.hadoop.io.Writable>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractList<V>

org.terrier.structures.collections.FSArrayFile<V>

org.terrier.structures.collections.FSArrayFileInMem<V>

Type Parameters:

V - Type of Writable

All Implemented Interfaces:

Closeable, AutoCloseable, Iterable<V>, Collection<V>, List<V>

public class FSArrayFileInMem<V extends org.apache.hadoop.io.Writable>
extends FSArrayFile<V>

Version of FSArrayFile that keeps the file contents in memory, and decodes the bytes into object as required.

Since:

3.0

Author:

Craig Macdonald

Nested Class Summary

Nested classes/interfaces inherited from class org.terrier.structures.collections.FSArrayFile

FSArrayFile.ArrayFileIterator<V extends org.apache.hadoop.io.Writable>, FSArrayFile.ArrayFileWriter

Field Summary

Fields inherited from class org.terrier.structures.collections.FSArrayFile

dataFile, dataFilename, entrySize, numberOfEntries, USUAL_EXTENSION, valueFactory

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Constructors

Constructor and Description
FSArrayFileInMem(IndexOnDisk index, String structureName)
FSArrayFileInMem(String filename, boolean updateable, FixedSizeWriteableFactory<V> factory) constructor

Method Summary

Modifier and Type	Method and Description
V	get(int entryNumber)

Methods inherited from class org.terrier.structures.collections.FSArrayFile

close, iterator, size, writeFSArrayFile

Methods inherited from class java.util.AbstractList

add, add, addAll, clear, equals, hashCode, indexOf, lastIndexOf, listIterator, listIterator, remove, removeRange, set, subList

Methods inherited from class java.util.AbstractCollection

addAll, contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.List

addAll, contains, containsAll, isEmpty, remove, removeAll, replaceAll, retainAll, sort, spliterator, toArray, toArray

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable

forEach

Constructor Detail

FSArrayFileInMem

public FSArrayFileInMem(IndexOnDisk index,
                        String structureName)
                 throws IOException

Throws:

IOException

FSArrayFileInMem

public FSArrayFileInMem(String filename,
                        boolean updateable,
                        FixedSizeWriteableFactory<V> factory)
                 throws IOException

constructor

Parameters:

filename -

updateable -

factory -

Throws:

IOException

Method Detail

get

public V get(int entryNumber)

Specified by:

get in interface List<V extends org.apache.hadoop.io.Writable>

Overrides:

get in class FSArrayFile<V extends org.apache.hadoop.io.Writable>