org.rdfhdt.hdt.triples.impl

Class TriplesList

java.lang.Object

org.rdfhdt.hdt.triples.impl.TriplesList

All Implemented Interfaces:

Closeable, AutoCloseable, TempTriples, Triples, TriplesPrivate

public class TriplesList
extends Object
implements TempTriples

Implementation of TempTriples using a List of TripleID.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TriplesList.TriplesListIterator Iterator implementation to iterate over a TriplesList object

Constructor Summary

Constructors

Constructor and Description
TriplesList(HDTOptions specification) Constructor, given an order to sort by

Method Summary

Modifier and Type	Method and Description
void	clear() Clear all triples, resulting in an empty triples section.
void	close()
void	generateIndex(ProgressListener listener) Generates the associated Index
long	getNumberOfElements()
TripleComponentOrder	getOrder() Gets the currently set order(TripleComponentOrder)
String	getType()
boolean	insert(long subject, long predicate, long object) Add one triple
boolean	insert(TripleID... triples) Adds one or more triples
void	load(InputStream input, ControlInfo controlInformation, ProgressListener listener) Loads the structure from an InputStream
void	load(TempTriples input, ProgressListener listener) Loads triples from another Triples Structure
void	load(Triples triples, ProgressListener listener) Load triples from another instance.
void	loadIndex(InputStream input, ControlInfo ci, ProgressListener listener) Loads the associated Index from an InputStream
void	mapFromFile(CountInputStream in, File f, ProgressListener listener)
void	mapIndex(CountInputStream input, File f, ControlInfo ci, ProgressListener listener) Loads the associated Index from an InputStream
void	populateHeader(Header header, String rootNode)
boolean	reallocateIfEmpty(int numTriples) A method for setting the size of the arrayList (so no reallocation occurs).
boolean	remove(TripleID... patterns) Deletes one or more triples according to a pattern
void	removeDuplicates(ProgressListener listener) If called while triples not sorted nothing will happen!
void	replaceAllIds(DictionaryIDMapping mapSubj, DictionaryIDMapping mapPred, DictionaryIDMapping mapObj)
void	save(OutputStream output, ControlInfo controlInformation, ProgressListener listener) Serializes the triples to an OutputStream
void	saveIndex(OutputStream output, ControlInfo ci, ProgressListener listener) Saves the associated Index to an OutputStream
IteratorTripleID	search(TripleID pattern)
IteratorTripleID	searchAll()
void	setOrder(TripleComponentOrder order) Sets a type of order(TripleComponentOrder)
long	size()
void	sort(ProgressListener listener) Sorts the triples based on the order(TripleComponentOrder) of the triples.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

TriplesList

public TriplesList(HDTOptions specification)

Constructor, given an order to sort by

Parameters:

order - The order to sort by

Method Detail

reallocateIfEmpty

public boolean reallocateIfEmpty(int numTriples)

A method for setting the size of the arrayList (so no reallocation occurs). If not empty does nothing and returns false.

search

public IteratorTripleID search(TripleID pattern)

Specified by:

search in interface Triples

searchAll

public IteratorTripleID searchAll()

Specified by:

searchAll in interface Triples

getNumberOfElements

public long getNumberOfElements()

Specified by:

getNumberOfElements in interface Triples

size

public long size()

Specified by:

size in interface Triples

save

public void save(OutputStream output,
                 ControlInfo controlInformation,
                 ProgressListener listener)
          throws IOException

Description copied from interface: TriplesPrivate

Serializes the triples to an OutputStream

Specified by:

save in interface TriplesPrivate

Parameters:

output - The OutputStream to save the triples to

Throws:

IOException

load

public void load(InputStream input,
                 ControlInfo controlInformation,
                 ProgressListener listener)
          throws IOException

Description copied from interface: TriplesPrivate

Loads the structure from an InputStream

Specified by:

load in interface TriplesPrivate

Parameters:

input - The InputStream to load the file from

Throws:

IOException

load

public void load(TempTriples input,
                 ProgressListener listener)

Description copied from interface: TriplesPrivate

Loads triples from another Triples Structure

Specified by:

load in interface TriplesPrivate

Parameters:

input - The TempTriples input to load from

setOrder

public void setOrder(TripleComponentOrder order)

Description copied from interface: TempTriples

Sets a type of order(TripleComponentOrder)

Specified by:

setOrder in interface TempTriples

Parameters:

order - the order to set

getOrder

public TripleComponentOrder getOrder()

Description copied from interface: TempTriples

Gets the currently set order(TripleComponentOrder)

Specified by:

getOrder in interface TempTriples

insert

public boolean insert(TripleID... triples)

Description copied from interface: TempTriples

Adds one or more triples

Specified by:

insert in interface TempTriples

Parameters:

triples - The triples to be inserted

Returns:

boolean

insert

public boolean insert(long subject,
                      long predicate,
                      long object)

Description copied from interface: TempTriples

Add one triple

Specified by:

insert in interface TempTriples

Returns:

remove

public boolean remove(TripleID... patterns)

Description copied from interface: TempTriples

Deletes one or more triples according to a pattern

Specified by:

remove in interface TempTriples

Parameters:

patterns - The pattern to match against

Returns:

boolean

sort

public void sort(ProgressListener listener)

Description copied from interface: TempTriples

Sorts the triples based on the order(TripleComponentOrder) of the triples. If you want to sort in a different order use setOrder first.

Specified by:

sort in interface TempTriples

removeDuplicates

public void removeDuplicates(ProgressListener listener)

If called while triples not sorted nothing will happen!

Specified by:

removeDuplicates in interface TempTriples

toString

public String toString()

Overrides:

toString in class Object

populateHeader

public void populateHeader(Header header,
                           String rootNode)

Specified by:

populateHeader in interface Triples

getType

public String getType()

Specified by:

getType in interface Triples

generateIndex

public void generateIndex(ProgressListener listener)

Description copied from interface: TriplesPrivate

Generates the associated Index

Specified by:

generateIndex in interface TriplesPrivate

loadIndex

public void loadIndex(InputStream input,
                      ControlInfo ci,
                      ProgressListener listener)
               throws IOException

Description copied from interface: TriplesPrivate

Loads the associated Index from an InputStream

Specified by:

loadIndex in interface TriplesPrivate

Parameters:

input - The InputStream to load the index from

Throws:

IOException

saveIndex

public void saveIndex(OutputStream output,
                      ControlInfo ci,
                      ProgressListener listener)
               throws IOException

Description copied from interface: TriplesPrivate

Saves the associated Index to an OutputStream

Specified by:

saveIndex in interface TriplesPrivate

Parameters:

output - The OutputStream to save the index

Throws:

IOException

clear

public void clear()

Description copied from interface: TempTriples

Clear all triples, resulting in an empty triples section.

Specified by:

clear in interface TempTriples

load

public void load(Triples triples,
                 ProgressListener listener)

Description copied from interface: TempTriples

Load triples from another instance.

Specified by:

load in interface TempTriples

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException

mapFromFile

public void mapFromFile(CountInputStream in,
                        File f,
                        ProgressListener listener)
                 throws IOException

Specified by:

mapFromFile in interface TriplesPrivate

Throws:

IOException

mapIndex

public void mapIndex(CountInputStream input,
                     File f,
                     ControlInfo ci,
                     ProgressListener listener)
              throws IOException

Description copied from interface: TriplesPrivate

Loads the associated Index from an InputStream

Specified by:

mapIndex in interface TriplesPrivate

Parameters:

input - The InputStream to load the index from

Throws:

IOException

replaceAllIds

public void replaceAllIds(DictionaryIDMapping mapSubj,
                          DictionaryIDMapping mapPred,
                          DictionaryIDMapping mapObj)

Specified by:

replaceAllIds in interface TempTriples