Uses of Interface
org.terrier.indexing.Collection

Packages that use Collection

Package	Description
org.terrier.indexing	Provides classes and interfaces related to the indexing of documents.
org.terrier.structures.indexing	Provides the classes used for creating the data structures of the Terrier platform.
org.terrier.structures.indexing.classical	Provides functionality for creating on-disk indices via indexer classes.
org.terrier.structures.indexing.singlepass	Provides implementation of the structures needed for performing a single pass indexing
org.terrier.structures.indexing.singlepass.hadoop	Provides classes implemeting the Hadoop MapReduce indexing in Terrier.

Uses of Collection in org.terrier.indexing

Classes in org.terrier.indexing that implement Collection

Modifier and Type	Class and Description
class	MultiDocumentFileCollection
class	SimpleFileCollection Implements a collection that can read arbitrary files on disk.
class	SimpleMedlineXMLCollection Initial implementation of a class that generates a Collection with Documents from a series of XML files in the Medline format.
class	SimpleXMLCollection Initial implementation of a class that generates a Collection with Documents from a series of XML files.
class	TRECCollection Models a TREC test collection by implementing the interfaces Collection and DocumentExtractor.
class	TRECUTFCollection Deprecated.
class	TRECWebCollection Version of TRECCollection which can parse standard form DOCHDR tags in TREC Web corpoa.
class	TwitterJSONCollection This class represents a collection of tweets stored in JSON format.
class	WARC018Collection This object is used to parse WARC format web crawls, 0.18.
class	WARC09Collection This object is used to parse WARC format web crawls, version 0.9.
class	WARC10Collection This object is used to parse WARC format web crawls, version 0.10.

Methods in org.terrier.indexing that return Collection

Modifier and Type	Method and Description
static Collection	CollectionFactory.loadCollection(String CollectionName) Load collection(s) of the specified name.
static Collection	CollectionFactory.loadCollection(String CollectionName, Class<?>[] contructorTypes, Object[] constructorValues) Load collection(s) of the specified name.
static Collection	CollectionFactory.loadCollections() Use the default property trec.collection.class, or it's default value TRECCollection
static Collection	CollectionFactory.loadCollections(String[] collNames) Load collection(s) of the specified name.
static Collection	CollectionFactory.loadCollections(String[] collNames, Class<?>[] contructorTypes, Object[] constructorValues) Load collection(s) of the specified name.

Uses of Collection in org.terrier.structures.indexing

Methods in org.terrier.structures.indexing with parameters of type Collection

Modifier and Type	Method and Description
abstract void	Indexer.createDirectIndex(Collection[] collections) An abstract method for creating the direct index, the document index and the lexicon for the given collections.
void	Indexer.index(Collection[] collections) Creates the data structures for a set of collections.

Uses of Collection in org.terrier.structures.indexing.classical

Methods in org.terrier.structures.indexing.classical with parameters of type Collection

Modifier and Type	Method and Description
void	BasicIndexer.createDirectIndex(Collection[] collections) Creates the direct index, the document index and the lexicon.
void	BlockIndexer.createDirectIndex(Collection[] collections) For the given collection, it iterates through the documents and creates the direct index, document index and lexicon, using information about blocks and possibly fields.

Uses of Collection in org.terrier.structures.indexing.singlepass

Methods in org.terrier.structures.indexing.singlepass with parameters of type Collection

Modifier and Type	Method and Description
void	BasicSinglePassIndexer.createDirectIndex(Collection[] collections)
void	ExtensibleSinglePassIndexer.createInvertedIndex(Collection[] collections) Builds the inverted file and lexicon file for the given collections Loops through each document in each of the collections, extracting terms and pushing these through the Term Pipeline (e.g.
void	BasicSinglePassIndexer.createInvertedIndex(Collection[] collections) Builds the inverted file and lexicon file for the given collections Loops through each document in each of the collections, extracting terms and pushing these through the Term Pipeline (eg stemming, stopping, lowercase).

Uses of Collection in org.terrier.structures.indexing.singlepass.hadoop

Fields in org.terrier.structures.indexing.singlepass.hadoop declared as Collection

Modifier and Type	Field and Description
protected Collection	CollectionRecordReader.documentCollection document collection currently being iterated through.

Methods in org.terrier.structures.indexing.singlepass.hadoop that return Collection

Modifier and Type	Method and Description
protected abstract Collection	CollectionRecordReader.openCollectionSplit(int index) open a collection for the index'th parth of the current split
protected Collection	FileCollectionRecordReader.openCollectionSplit(int index) Opens a collection on the next file.