Package de.uni_mannheim.informatik.dws.melt.matching_jena_matchers.multisource.dispatchers

Class MultiSourceDispatcherTransitivePairsOrderBased

java.lang.Object

de.uni_mannheim.informatik.dws.melt.matching_base.multisource.MatcherMultiSourceURL

de.uni_mannheim.informatik.dws.melt.matching_jena_matchers.multisource.dispatchers.MultiSourceDispatcherTransitivePairsOrderBased

All Implemented Interfaces:

IMatcherMultiSourceCaller, MultiSourceDispatcher

public class MultiSourceDispatcherTransitivePairsOrderBased
extends MatcherMultiSourceURL
implements MultiSourceDispatcher, IMatcherMultiSourceCaller

This dispatcher will match multiple ontologies by selecting a few pairs. First the ontologies will be sorted by a given comparator. As an example A, B, C, D. Afterwards two possible matching strategies are possible:

• firstVsRest (constructor parameter) is true: it will match (A,B) ; (A,C) ; (A,D)
• firstVsRest (constructor parameter) is false: it will match (A,B) ; (B,C) ; (C,D)

Some comparators can be found at MultiSourceDispatcherIncrementalMergeByOrder as static attributes.

Field Summary

Fields

Modifier and Type	Field	Description
private final Comparator<? super ModelAndIndex>	comparator
private final boolean	firstVsRest
private static final org.slf4j.Logger	LOGGER
private static final com.fasterxml.jackson.databind.ObjectMapper	objectMapper
private final Object	oneToOneMatcher

Constructor Summary

Constructors

Constructor	Description
MultiSourceDispatcherTransitivePairsOrderBased(Object oneToOneMatcher, Comparator<? super ModelAndIndex> comparator, boolean firstVsRest)

Method Summary

Modifier and Type	Method	Description
URL	match(List<URL> models, URL inputAlignment, URL parameters)	Matches multiple ontologies/knowledge graphs together.
AlignmentAndParameters	match(List<Set<Object>> models, Object inputAlignment, Object parameters)	Matches multiple ontologies / knowledge graphs together.
boolean	needsTransitiveClosureForEvaluation()	Returns a boolean value if the matcher needs a transitive closure for evaluation.

Methods inherited from class java.lang.Object

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

Field Details

LOGGER

private static final org.slf4j.Logger LOGGER

objectMapper

private static final com.fasterxml.jackson.databind.ObjectMapper objectMapper

oneToOneMatcher

private final Object oneToOneMatcher

comparator

private final Comparator<? super ModelAndIndex> comparator

firstVsRest

private final boolean firstVsRest

Constructor Details

MultiSourceDispatcherTransitivePairsOrderBased

public MultiSourceDispatcherTransitivePairsOrderBased(Object oneToOneMatcher,
 Comparator<? super ModelAndIndex> comparator,
 boolean firstVsRest)

Method Details

match

public URL match(List<URL> models,
 URL inputAlignment,
 URL parameters)
          throws Exception

Description copied from class: MatcherMultiSourceURL

Matches multiple ontologies/knowledge graphs together.

Specified by:

match in class MatcherMultiSourceURL

Parameters:

models - the ontologies/knowledge graphs as URLs

inputAlignment - the input alignment as URL (alignment API format)

parameters - the parameters file url. Format are currently json or yaml.

Returns:

an alignment as URL (most often as file URL) the format is again the alignment API format.

Throws:

Exception - in case something went wrong

match

public AlignmentAndParameters match(List<Set<Object>> models,
 Object inputAlignment,
 Object parameters)
                             throws Exception

Description copied from interface: IMatcherMultiSourceCaller

Matches multiple ontologies / knowledge graphs together.

Specified by:

match in interface IMatcherMultiSourceCaller

Parameters:

models - this is a list of sets of objects where each sets contains different representations of the dame ontologies/ knowledge graph.

inputAlignment - this object represents the input alignment.

parameters - object representing additional parameters. Only add to this object and do not create a new Object like parameters= new ...() because otherwise the parameters are lost (java ist call by value). Sensible classes are Properties, Map<String, Object> or any similar data structure. Some already specified keys (strings) can be found at ParameterConfigKeys.

Returns:

the resulting alignment of the matching process.

Throws:

Exception - in case of any errors

needsTransitiveClosureForEvaluation

public boolean needsTransitiveClosureForEvaluation()

Description copied from class: MatcherMultiSourceURL

Returns a boolean value if the matcher needs a transitive closure for evaluation. E.g. some matchers match only A-B-C and the testcase asks for A-C then this is only true, if the transitive closure is computed

Specified by:

needsTransitiveClosureForEvaluation in interface IMatcherMultiSourceCaller

Overrides:

needsTransitiveClosureForEvaluation in class MatcherMultiSourceURL

Returns:

true if the transitive closure is need, false otherwise