org.aksw.gerbil.semantic.sameas.impl.cache

Class FileBasedCachingSameAsRetriever

java.lang.Object

org.aksw.gerbil.semantic.sameas.impl.AbstractSameAsRetrieverDecorator

org.aksw.gerbil.semantic.sameas.impl.cache.FileBasedCachingSameAsRetriever

All Implemented Interfaces:

SameAsRetriever, SameAsRetrieverDecorator, SingleUriSameAsRetriever

public class FileBasedCachingSameAsRetriever
extends AbstractSameAsRetrieverDecorator

Field Summary

Fields

Modifier and Type	Field and Description
protected File	cacheFile
protected static int	ENTITY_NOT_FOUND
protected List<Set<String>>	sets
protected File	tempCacheFile
protected com.carrotsearch.hppc.ObjectIntOpenHashMap<String>	uriSetIdMapping

Fields inherited from class org.aksw.gerbil.semantic.sameas.impl.AbstractSameAsRetrieverDecorator

decoratedRetriever

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	FileBasedCachingSameAsRetriever(SameAsRetriever decoratedRetriever, com.carrotsearch.hppc.ObjectIntOpenHashMap<String> uriSetIdMapping, List<Set<String>> sets, boolean requestEntitiesNotFound, File cacheFile, File tempCacheFile)

Method Summary

Modifier and Type	Method and Description
static FileBasedCachingSameAsRetriever	create(SameAsRetriever decoratedRetriever, boolean requestEntitiesNotFound, File cacheFile)
protected void	mergeSetIntoCache(Set<String> result)
static Object[]	readCacheFile(File cacheFile)
Set<String>	retrieveSameURIs(String uri) Returns a Set containing the URIs having a sameAs link to this URI or null if no such URIs could be found.
Set<String>	retrieveSameURIs(String domain, String uri) Returns a Set containing the URIs having a sameAs link to this URI or null if no such URIs could be found.
void	storeCache()

Methods inherited from class org.aksw.gerbil.semantic.sameas.impl.AbstractSameAsRetrieverDecorator

addSameURIs, getDecorated

Methods inherited from class java.lang.Object

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

Field Detail

ENTITY_NOT_FOUND

protected static final int ENTITY_NOT_FOUND

See Also:

Constant Field Values

uriSetIdMapping

protected com.carrotsearch.hppc.ObjectIntOpenHashMap<String> uriSetIdMapping

sets

protected List<Set<String>> sets

cacheFile

protected File cacheFile

tempCacheFile

protected File tempCacheFile

Constructor Detail

FileBasedCachingSameAsRetriever

protected FileBasedCachingSameAsRetriever(SameAsRetriever decoratedRetriever,
                                          com.carrotsearch.hppc.ObjectIntOpenHashMap<String> uriSetIdMapping,
                                          List<Set<String>> sets,
                                          boolean requestEntitiesNotFound,
                                          File cacheFile,
                                          File tempCacheFile)

Method Detail

create

public static FileBasedCachingSameAsRetriever create(SameAsRetriever decoratedRetriever,
                                                     boolean requestEntitiesNotFound,
                                                     File cacheFile)

retrieveSameURIs

public Set<String> retrieveSameURIs(String uri)

Description copied from interface: SingleUriSameAsRetriever

Returns a Set containing the URIs having a sameAs link to this URI or null if no such URIs could be found.

Specified by:

retrieveSameURIs in interface SingleUriSameAsRetriever

Overrides:

retrieveSameURIs in class AbstractSameAsRetrieverDecorator

Parameters:

uri - the URI for which sameAs links should be discovered

Returns:

a Set of URIs or null if no URIs could be found

mergeSetIntoCache

protected void mergeSetIntoCache(Set<String> result)

storeCache

public void storeCache()

readCacheFile

public static Object[] readCacheFile(File cacheFile)

retrieveSameURIs

public Set<String> retrieveSameURIs(String domain,
                                    String uri)

Description copied from interface: SingleUriSameAsRetriever

Returns a Set containing the URIs having a sameAs link to this URI or null if no such URIs could be found.

Specified by:

retrieveSameURIs in interface SingleUriSameAsRetriever

Overrides:

retrieveSameURIs in class AbstractSameAsRetrieverDecorator

Parameters:

domain - the domain of the URI

uri - the URI for which sameAs links should be discovered

Returns:

a Set of URIs or null if no URIs could be found