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[ issue #120 ] available datasets service
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agazzarini
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Dec 11, 2015
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47 changes: 47 additions & 0 deletions
47
...c/main/java/org/gazzax/labs/solrdf/handler/search/ldf/AvailableDatasetsSearchHandler.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,47 @@ | ||
| package org.gazzax.labs.solrdf.handler.search.ldf; | ||
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| import org.apache.solr.common.params.ModifiableSolrParams; | ||
| import org.apache.solr.handler.RequestHandlerBase; | ||
| import org.apache.solr.request.SolrQueryRequest; | ||
| import org.apache.solr.request.SolrRequestHandler; | ||
| import org.apache.solr.response.SolrQueryResponse; | ||
| import org.gazzax.labs.solrdf.Names; | ||
| import org.gazzax.labs.solrdf.handler.search.Sparql11SearchHandler; | ||
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| public class AvailableDatasetsSearchHandler extends RequestHandlerBase { | ||
| final static String SELECT_ALL_DATASETS = | ||
| "CONSTRUCT { ?s ?p ?o } " | ||
| + "WHERE { " | ||
| + " ?s <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://rdfs.org/ns/void#Dataset> . " | ||
| + " ?s ?p ?o " | ||
| + "}"; | ||
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| @Override | ||
| public void handleRequestBody(final SolrQueryRequest request, final SolrQueryResponse response) throws Exception { | ||
| request.setParams( | ||
| new ModifiableSolrParams(request.getParams()) | ||
| .set(Names.QUERY, SELECT_ALL_DATASETS)); | ||
| requestHandler(request).handleRequest(request, response); | ||
| } | ||
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| @Override | ||
| public String getDescription() { | ||
| return "Returns the available datasets within this SolRDF instance"; | ||
| } | ||
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| @Override | ||
| public String getSource() { | ||
| return "https://github.com/agazzarini/SolRDF"; | ||
| } | ||
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| /** | ||
| * Returns the {@link SolrRequestHandler} associated with the given name. | ||
| * | ||
| * @param request the current Solr request. | ||
| * @param name the {@link SolrRequestHandler} name. | ||
| * @return the {@link SolrRequestHandler} associated with the given name. | ||
| */ | ||
| SolrRequestHandler requestHandler(final SolrQueryRequest request) { | ||
| return request.getCore().getRequestHandler(Sparql11SearchHandler.DEFAULT_SPARQL_QUERY_HANDLER_NAME); | ||
| } | ||
| } |
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...e/src/main/java/org/gazzax/labs/solrdf/handler/search/ldf/TriplePatternSearchHandler.java
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| package org.gazzax.labs.solrdf.handler.search.ldf; | ||
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| import org.apache.solr.handler.RequestHandlerBase; | ||
| import org.apache.solr.request.SolrQueryRequest; | ||
| import org.apache.solr.response.SolrQueryResponse; | ||
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| public class TriplePatternSearchHandler extends RequestHandlerBase { | ||
| @Override | ||
| public void handleRequestBody(final SolrQueryRequest request, final SolrQueryResponse response) throws Exception { | ||
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| } | ||
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| @Override | ||
| public String getDescription() { | ||
| // TODO Auto-generated method stub | ||
| return null; | ||
| } | ||
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| } |
9 changes: 9 additions & 0 deletions
9
solrdf/solrdf-core/src/main/java/org/gazzax/labs/solrdf/handler/search/ldf/package-info.java
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| /** | ||
| * Top level package for SolRDF Linked Data Fragments search request handlers. | ||
| * | ||
| * @see http://linkeddatafragments.org | ||
| * @see http://data.linkeddatafragments.org | ||
| * @see http://www.hydra-cg.com/spec/latest/triple-pattern-fragments | ||
| * @see http://www.hydra-cg.com/spec/latest/linked-data-fragments | ||
| */ | ||
| package org.gazzax.labs.solrdf.handler.search.ldf; |
2 changes: 1 addition & 1 deletion
2
.../handler/search/handler/package-info.java → ...s/solrdf/handler/search/package-info.java
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| @@ -1,4 +1,4 @@ | ||
| /** | ||
| * Top level package for SolRDF search request handlers. | ||
| */ | ||
| package org.gazzax.labs.solrdf.handler.search.handler; | ||
| package org.gazzax.labs.solrdf.handler.search; |
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53 changes: 53 additions & 0 deletions
53
...ests/src/test/java/org/gazzax/labs/solrdf/integration/ldf/LinkedDataFragments_ITCase.java
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| /* | ||
| * This Test case makes use of some examples from | ||
| * | ||
| * "Learning SPARQL - Querying and Updating with SPARQL 1.1" by Bob DuCharme | ||
| * | ||
| * Publisher: O'Reilly | ||
| * Author: Bob DuCharme | ||
| * ISBN: 978-1-449-37143-2 | ||
| * http://www.learningsparql.com/ | ||
| * http://shop.oreilly.com/product/0636920030829.do | ||
| * | ||
| * We warmly appreciate and thank the author and O'Reilly for such permission. | ||
| * | ||
| */ | ||
| package org.gazzax.labs.solrdf.integration.ldf; | ||
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| import static org.gazzax.labs.solrdf.MisteryGuest.misteryGuest; | ||
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| import java.io.File; | ||
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| import org.gazzax.labs.solrdf.integration.IntegrationTestSupertypeLayer; | ||
| import org.junit.Test; | ||
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| import com.hp.hpl.jena.graph.NodeFactory; | ||
| import com.hp.hpl.jena.rdf.model.Model; | ||
| import com.hp.hpl.jena.rdf.model.ModelFactory; | ||
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| /** | ||
| * Linked Data Fragments interface integration tests. | ||
| * | ||
| * Note: the SolRDF client is not yet ready from a full understanding of the LDF protocol perspective. | ||
| * | ||
| * @author Andrea Gazzarini | ||
| * @since 1.0 | ||
| */ | ||
| public class LinkedDataFragments_ITCase extends IntegrationTestSupertypeLayer { | ||
| @Test | ||
| public void availableDatasets() throws Exception { | ||
| load(misteryGuest(null, "sample-datasets.nt")); | ||
| Thread.sleep(10000000000000000L); | ||
| final Model response = SOLRDF_CLIENT.ldf().availableDatasets(); | ||
| final Model expectedResponse = ModelFactory.createDefaultModel().read( | ||
| new File(examplesDirectory(), | ||
| "available-datasets-expected-response.nt").toURI().toString()); | ||
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| assertTrue(response.isIsomorphicWith(expectedResponse)); | ||
| } | ||
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| @Override | ||
| protected String examplesDirectory() { | ||
| return "src/test/resources/ldf"; | ||
| } | ||
| } |
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