org.apache.clerezza.platform.concepts.core

Class RemoteConceptProvider

java.lang.Object

org.apache.clerezza.platform.concepts.core.RemoteConceptProvider

All Implemented Interfaces:

ConceptProvider

public class RemoteConceptProvider
extends Object
implements ConceptProvider

This implementation of ConceptProvider provides a functionality to query a SPARQL End Point for a given search term. The query is to be generated from a template by replacing the place holder for the search term with the specified search term.

Author:

tio, hasan

Constructor Summary

Constructors

Constructor and Description
RemoteConceptProvider(UriRef sparqlEndPoint, UriRef defaultGraph, String queryTemplate) Constructs a RemoteConceptProvider with the specified parameters.

Method Summary

Methods

Modifier and Type	Method and Description
Graph	retrieveConcepts(String searchTerm) Returns a graph containing all concepts whose SKOS:prefLabels or SKOS:altLabels contain the search term.

Methods inherited from class java.lang.Object

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

Constructor Detail

RemoteConceptProvider

public RemoteConceptProvider(UriRef sparqlEndPoint,
                     UriRef defaultGraph,
                     String queryTemplate)

Constructs a RemoteConceptProvider with the specified parameters.

Parameters:

sparqlEndPoint - the SPARQL End Point to connect to

defaultGraph - the Graph to query for concepts

queryTemplate - the template for query containing place holders for the search term.

Method Detail

retrieveConcepts

public Graph retrieveConcepts(String searchTerm)

Description copied from interface: ConceptProvider

Returns a graph containing all concepts whose SKOS:prefLabels or SKOS:altLabels contain the search term.

Specified by:

retrieveConcepts in interface ConceptProvider

Parameters:

searchTerm - a filter condition that specifies the term that must be contained within SKOS:prefLabels or SKOS:altLabels of a concept.

Returns:

a Graph containing all concepts that meet the filter condition.