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Java BindingSet.getValue方法代码示例

本文整理汇总了Java中org.eclipse.rdf4j.query.BindingSet.getValue方法的典型用法代码示例。如果您正苦于以下问题：Java BindingSet.getValue方法的具体用法？Java BindingSet.getValue怎么用？Java BindingSet.getValue使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.eclipse.rdf4j.query.BindingSet的用法示例。


在下文中一共展示了BindingSet.getValue方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: testSPARQLQueryWithRuleset

import org.eclipse.rdf4j.query.BindingSet; //导入方法依赖的package包/类
@Test
public void testSPARQLQueryWithRuleset()
        throws Exception {
    String queryString = "select ?s ?p ?o { ?s ?p ?o } limit 100 ";
    MarkLogicTupleQuery tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, queryString);

    tupleQuery.setRulesets(SPARQLRuleset.RDFS_FULL);
    TupleQueryResult results = tupleQuery.evaluate();

    Assert.assertEquals(results.getBindingNames().get(0), "s");
    Assert.assertEquals(results.getBindingNames().get(1), "p");
    Assert.assertEquals(results.getBindingNames().get(2), "o");

    BindingSet bindingSet = results.next();

    Value sV = bindingSet.getValue("s");
    Value pV = bindingSet.getValue("p");
    Value oV = bindingSet.getValue("o");

    Assert.assertEquals("http://semanticbible.org/ns/2006/NTNames#AttaliaGeodata", sV.stringValue());
    Assert.assertEquals("http://semanticbible.org/ns/2006/NTNames#altitude", pV.stringValue());
    Assert.assertEquals("0", oV.stringValue());
    results.close();
}
开发者ID:marklogic，项目名称:marklogic-rdf4j，代码行数:25，代码来源:MarkLogicTupleQueryTest.java

示例2: testSPARQLQueryWithMultipleRulesets

import org.eclipse.rdf4j.query.BindingSet; //导入方法依赖的package包/类
@Test
public void testSPARQLQueryWithMultipleRulesets()
        throws Exception {
    String queryString = "select ?s ?p ?o { ?s ?p ?o } limit 100 ";
    MarkLogicTupleQuery tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, queryString);

    tupleQuery.setRulesets(SPARQLRuleset.RDFS_FULL,SPARQLRuleset.DOMAIN);
    TupleQueryResult results = tupleQuery.evaluate();

    Assert.assertEquals(results.getBindingNames().get(0), "s");
    Assert.assertEquals(results.getBindingNames().get(1), "p");
    Assert.assertEquals(results.getBindingNames().get(2), "o");

    BindingSet bindingSet = results.next();

    Value sV = bindingSet.getValue("s");
    Value pV = bindingSet.getValue("p");
    Value oV = bindingSet.getValue("o");

    Assert.assertEquals("http://semanticbible.org/ns/2006/NTNames#AttaliaGeodata", sV.stringValue());
    Assert.assertEquals("http://semanticbible.org/ns/2006/NTNames#altitude", pV.stringValue());
    Assert.assertEquals("0", oV.stringValue());
    results.close();
}
开发者ID:marklogic，项目名称:marklogic-rdf4j，代码行数:25，代码来源:MarkLogicTupleQueryTest.java

示例3: getModifiedDate

import org.eclipse.rdf4j.query.BindingSet; //导入方法依赖的package包/类
@Override
public Optional<Date> getModifiedDate(Resource cpt) {
	Optional<Date> date = Optional.empty();
	try (RepositoryConnection connect = triplestore.getConnection()) {
		// read a dcterms:modified property on the concept
		String queryString = 
				"PREFIX dcterms: <http://purl.org/dc/terms/> " +
				"PREFIX skos: <http://www.w3.org/2004/02/skos/core#> " +
				"select ?date where {<"+cpt+"> dcterms:modified ?date} ";
		TupleQuery tupleQuery = connect.prepareTupleQuery(QueryLanguage.SPARQL,queryString);
		try (TupleQueryResult res = tupleQuery.evaluate()) {
			while (res.hasNext()) {  // iterate over the result				  
				BindingSet bindingSet = res.next();
				if(bindingSet.getValue("date")!=null) {
					date = Optional.of(((Literal)bindingSet.getValue("date")).calendarValue().toGregorianCalendar().getTime());
				}
			}
		}
	} catch (RepositoryException e) {
		e.printStackTrace();
		// return empty date
		return date;
	}
	return date;
}
开发者ID:lmazuel，项目名称:onagui，代码行数:26，代码来源:SKOSContainer.java

示例4: evaluateZeroLengthPath

import org.eclipse.rdf4j.query.BindingSet; //导入方法依赖的package包/类
/**
 * Evaluate {@link ZeroLengthPath} query model nodes
 * @param parent
 * @param zlp
 * @param bindings
 */
private void evaluateZeroLengthPath(BindingSetPipe parent, ZeroLengthPath zlp, BindingSet bindings) {
    final Var subjectVar = zlp.getSubjectVar();
    final Var objVar = zlp.getObjectVar();
    final Var contextVar = zlp.getContextVar();
    Value subj = subjectVar.getValue() == null ? bindings.getValue(subjectVar.getName()) : subjectVar.getValue();
    Value obj = objVar.getValue() == null ? bindings.getValue(objVar.getName()) : objVar.getValue();
    if (subj != null && obj != null) {
        if (!subj.equals(obj)) {
            try {
                parent.push(null);
            } catch (InterruptedException e) {
                parent.handleException(e);
            }
            return;
        }
    }
    //temporary solution using copy of the original iterator
    //re-writing this to push model is a bit more complex task
    HalyardStatementPatternEvaluation.enqueue(parent, new ZeroLengthPathIteration(parentStrategy, subjectVar, objVar, subj, obj, contextVar, bindings), zlp);
}
开发者ID:Merck，项目名称:Halyard，代码行数:27，代码来源:HalyardTupleExprEvaluation.java

示例5: evaluate

import org.eclipse.rdf4j.query.BindingSet; //导入方法依赖的package包/类
/**
 * Evaluate an {@link In} node
 * @param node the node to evaluate
 * @param bindings the set of named value bindings
 * @return
 * @throws ValueExprEvaluationException
 * @throws QueryEvaluationException
 */
private Value evaluate(In node, BindingSet bindings) throws ValueExprEvaluationException, QueryEvaluationException {
    Value leftValue = evaluate(node.getArg(), bindings);
    // Result is false until a match has been found
    boolean result = false;
    // Use first binding name from tuple expr to compare values
    String bindingName = node.getSubQuery().getBindingNames().iterator().next();
    try (CloseableIteration<BindingSet, QueryEvaluationException> iter = parentStrategy.evaluate(node.getSubQuery(), bindings)) {
        while (result == false && iter.hasNext()) {
            BindingSet bindingSet = iter.next();
            Value rightValue = bindingSet.getValue(bindingName);
            result = leftValue == null && rightValue == null || leftValue != null
                    && leftValue.equals(rightValue);
        }
    }
    return BooleanLiteral.valueOf(result);
}
开发者ID:Merck，项目名称:Halyard，代码行数:25，代码来源:HalyardValueExprEvaluation.java

示例6: testJoins

import org.eclipse.rdf4j.query.BindingSet; //导入方法依赖的package包/类
@Test
public void testJoins() throws Exception {
    addTestFile();

    SPARQLParser parser = new SPARQLParser();
    BindingSet bindings = new EmptyBindingSet();
    String baseIRI = "http://example.org/bogus/";

    try (SailConnection sc = getConnection()) {
        CloseableIteration<? extends BindingSet, QueryEvaluationException> results;
        int count;
        String queryStr = "PREFIX : <urn:com.tinkerpop.blueprints.pgm.oupls.sail.test/>\n" +
                "PREFIX foaf: <http://xmlns.com/foaf/0.1/>\n" +
                "SELECT ?foaf WHERE {\n" +
                "    :ford foaf:knows ?friend .\n" +
                "    ?friend foaf:knows ?foaf .\n" +
                "}";
        ParsedQuery query = parser.parseQuery(queryStr, baseIRI);
        results = sc.evaluate(query.getTupleExpr(), query.getDataset(), bindings, false);
        count = 0;
        while (results.hasNext()) {
            count++;
            BindingSet set = results.next();
            IRI foaf = (IRI) set.getValue("foaf");
            assertTrue(foaf.stringValue().startsWith("urn:com.tinkerpop.blueprints.pgm.oupls.sail.test/"));
        }
        results.close();
        assertEquals(4, count);
    }
}
开发者ID:joshsh，项目名称:graphsail，代码行数:31，代码来源:SailTest.java

示例7: testSPARQLQueryWithDefaultInferred

import org.eclipse.rdf4j.query.BindingSet; //导入方法依赖的package包/类
@Test
public void testSPARQLQueryWithDefaultInferred()
        throws Exception {

    String queryString = "select ?s ?p ?o { ?s ?p ?o } limit 2 ";
    TupleQuery tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, queryString);
    tupleQuery.setIncludeInferred(true);
    TupleQueryResult results = tupleQuery.evaluate();
    Assert.assertEquals(results.getBindingNames().get(0), "s");
    Assert.assertEquals(results.getBindingNames().get(1), "p");
    Assert.assertEquals(results.getBindingNames().get(2), "o");

    BindingSet bindingSet = results.next();

    Value sV = bindingSet.getValue("s");
    Value pV = bindingSet.getValue("p");
    Value oV = bindingSet.getValue("o");

    Assert.assertEquals("http://semanticbible.org/ns/2006/NTNames#AttaliaGeodata", sV.stringValue());
    Assert.assertEquals("http://semanticbible.org/ns/2006/NTNames#altitude", pV.stringValue());
    Assert.assertEquals("0", oV.stringValue());

    BindingSet bindingSet1 = results.next();

    Value sV1 = bindingSet1.getValue("s");
    Value pV1 = bindingSet1.getValue("p");
    Value oV1 = bindingSet1.getValue("o");

    Assert.assertEquals("http://semanticbible.org/ns/2006/NTNames#BabylonGeodata", sV1.stringValue());
    Assert.assertEquals("http://semanticbible.org/ns/2006/NTNames#altitude", pV1.stringValue());
    Assert.assertEquals("0", oV1.stringValue());
    results.close();
}
开发者ID:marklogic，项目名称:marklogic-rdf4j，代码行数:34，代码来源:MarkLogicTupleQueryTest.java

示例8: testSPARQLQueryWithPagination

import org.eclipse.rdf4j.query.BindingSet; //导入方法依赖的package包/类
@Test
public void testSPARQLQueryWithPagination()
        throws Exception {
    try{
        for(int i=0; i<101; i++){
            String queryString = "select ?s ?p ?o { ?s ?p ?o } limit 100 ";
            MarkLogicTupleQuery tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, queryString);
            TupleQueryResult results = tupleQuery.evaluate(3, 1);

            Assert.assertEquals(results.getBindingNames().get(0), "s");
            Assert.assertEquals(results.getBindingNames().get(1), "p");
            Assert.assertEquals(results.getBindingNames().get(2), "o");

            BindingSet bindingSet = results.next();

            Value sV = bindingSet.getValue("s");
            Value pV = bindingSet.getValue("p");
            Value oV = bindingSet.getValue("o");

            Assert.assertEquals("http://semanticbible.org/ns/2006/NTNames#BethanyBeyondtheJordanGeodata", sV.stringValue());
            Assert.assertEquals("http://semanticbible.org/ns/2006/NTNames#altitude", pV.stringValue());
            Assert.assertEquals("0", oV.stringValue());

            Assert.assertFalse(results.hasNext());
            results.close();
        }
    }
    catch(Exception ex)
    {
        throw ex;
    }
    finally {
        conn.close();
        Thread.sleep(1000);
    }
}
开发者ID:marklogic，项目名称:marklogic-rdf4j，代码行数:37，代码来源:MarkLogicTupleQueryTest.java

示例9: testSPARQLQueryWithNullRulesets

import org.eclipse.rdf4j.query.BindingSet; //导入方法依赖的package包/类
@Test
public void testSPARQLQueryWithNullRulesets()
        throws Exception {
    String queryString = "select ?s ?p ?o { ?s ?p ?o } limit 100 ";
    MarkLogicTupleQuery tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, queryString);

    tupleQuery.setRulesets(SPARQLRuleset.RDFS_FULL,null);
    tupleQuery.setRulesets(null);
    Assert.assertTrue(tupleQuery.getRulesets() == null);

    TupleQueryResult results = tupleQuery.evaluate();

    Assert.assertEquals(results.getBindingNames().get(0), "s");
    Assert.assertEquals(results.getBindingNames().get(1), "p");
    Assert.assertEquals(results.getBindingNames().get(2), "o");

    BindingSet bindingSet = results.next();

    Value sV = bindingSet.getValue("s");
    Value pV = bindingSet.getValue("p");
    Value oV = bindingSet.getValue("o");

    Assert.assertEquals("http://semanticbible.org/ns/2006/NTNames#AttaliaGeodata", sV.stringValue());
    Assert.assertEquals("http://semanticbible.org/ns/2006/NTNames#altitude", pV.stringValue());
    Assert.assertEquals("0", oV.stringValue());

    results.close();
}
开发者ID:marklogic，项目名称:marklogic-rdf4j，代码行数:29，代码来源:MarkLogicTupleQueryTest.java

示例10: testPrepareQuery2

import org.eclipse.rdf4j.query.BindingSet; //导入方法依赖的package包/类
@Test
public void testPrepareQuery2() throws Exception {

	Reader ir = new BufferedReader(new InputStreamReader(
			MarkLogicRepositoryConnectionTest.class.getResourceAsStream(TEST_DIR_PREFIX + "property-paths.ttl")));
	testAdminCon.add(ir, "", RDFFormat.TURTLE, (Resource) null);

	StringBuilder queryBuilder = new StringBuilder(128);
	queryBuilder.append(" prefix : <http://learningsparql.com/ns/papers#> ");
	queryBuilder.append(" prefix c: <http://learningsparql.com/ns/citations#>");
	queryBuilder.append(" SELECT ?s");
	queryBuilder.append(" WHERE {  ");
	queryBuilder.append(" ?s ^c:cites :paperK2 . ");
	queryBuilder.append(" FILTER (?s != :paperK2)");
	queryBuilder.append(" } ");
	queryBuilder.append(" ORDER BY ?s ");

	Query query = testAdminCon.prepareQuery(queryBuilder.toString());
	query.setBinding("whatcode", vf.createLiteral("33333"));
	TupleQueryResult result = null;
	if (query instanceof TupleQuery) {
		result = ((TupleQuery) query).evaluate();

	}

	try {
		assertThat(result, is(notNullValue()));

		while (result.hasNext()) {
			BindingSet solution = result.next();
			assertThat(solution.hasBinding("s"), is(equalTo(true)));
			Value totalResult = solution.getValue("s");
			Assert.assertEquals(vf.createIRI("http://learningsparql.com/ns/papers#paperJ"), totalResult);

		}
	} finally {
		result.close();
	}
}
开发者ID:marklogic，项目名称:marklogic-rdf4j，代码行数:40，代码来源:MarkLogicRepositoryConnectionTest.java

示例11: getOriginalQueryString

import org.eclipse.rdf4j.query.BindingSet; //导入方法依赖的package包/类
private static String getOriginalQueryString(BindingSet b) {
	if (b==null)
		return null;
	Value q = b.getValue(FedXSailRepositoryConnection.BINDING_ORIGINAL_QUERY);
	if (q!=null)
		return q.stringValue();
	return null;
}
开发者ID:dice-group，项目名称:CostFed，代码行数:9，代码来源:FedXConnection.java

示例12: getOriginalQueryType

import org.eclipse.rdf4j.query.BindingSet; //导入方法依赖的package包/类
private static QueryType getOriginalQueryType(BindingSet b) {
	if (b==null)
		return null;
	Value q = b.getValue(FedXSailRepositoryConnection.BINDING_ORIGINAL_QUERY_TYPE);
	if (q!=null)
		return QueryType.valueOf(q.stringValue());
	return null;
}
开发者ID:dice-group，项目名称:CostFed，代码行数:9，代码来源:FedXConnection.java

示例13: toValue

import org.eclipse.rdf4j.query.BindingSet; //导入方法依赖的package包/类
protected static Value toValue(Var var, BindingSet bindings) {
	if (var.hasValue())
		return var.getValue();
	
	if (bindings.hasBinding(var.getName()))	
		return bindings.getValue(var.getName());
	
	return null;			
}
开发者ID:dice-group，项目名称:CostFed，代码行数:10，代码来源:StatisticsUtil.java

示例14: getVarValue

import org.eclipse.rdf4j.query.BindingSet; //导入方法依赖的package包/类
/**
 * Gets a value from a {@code Var} if it has a {@code Value}. If it does not then the method will attempt to get it 
 * from the bindings using the name of the Var
 * @param var
 * @param bindings
 * @return the matching {@code Value} or {@code null} if var is {@code null}
 */
private static Value getVarValue(Var var, BindingSet bindings) {
    if (var == null) {
        return null;
    } else if (var.hasValue()) {
        return var.getValue();
    } else {
        return bindings.getValue(var.getName());
    }
}
开发者ID:Merck，项目名称:Halyard，代码行数:17，代码来源:HalyardStatementPatternEvaluation.java

示例15: testSPARQLQuery

import org.eclipse.rdf4j.query.BindingSet; //导入方法依赖的package包/类
@Test
public void testSPARQLQuery()
        throws Exception {
    try {
        for (int i=0; i<101;i++){
            String queryString = "select * { ?s ?p ?o } limit 2 ";
            TupleQuery tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, queryString);
            TupleQueryResult results = tupleQuery.evaluate();

            Assert.assertEquals(results.getBindingNames().get(0), "s");
            Assert.assertEquals(results.getBindingNames().get(1), "p");
            Assert.assertEquals(results.getBindingNames().get(2), "o");

            BindingSet bindingSet = results.next();

            Value sV = bindingSet.getValue("s");
            Value pV = bindingSet.getValue("p");
            Value oV = bindingSet.getValue("o");

            Assert.assertEquals("http://semanticbible.org/ns/2006/NTNames#AttaliaGeodata", sV.stringValue());
            Assert.assertEquals("http://semanticbible.org/ns/2006/NTNames#altitude", pV.stringValue());
            Assert.assertEquals("0", oV.stringValue());

            BindingSet bindingSet1 = results.next();

            Value sV1 = bindingSet1.getValue("s");
            Value pV1 = bindingSet1.getValue("p");
            Value oV1 = bindingSet1.getValue("o");

            Assert.assertEquals("http://semanticbible.org/ns/2006/NTNames#BabylonGeodata", sV1.stringValue());
            Assert.assertEquals("http://semanticbible.org/ns/2006/NTNames#altitude", pV1.stringValue());
            Assert.assertEquals("0", oV1.stringValue());
            results.close();
        }
    }
    catch(Exception ex)
    {
        throw ex;
    }
    finally {
        conn.close();
        Thread.sleep(1000);
    }
}
开发者ID:marklogic，项目名称:marklogic-rdf4j，代码行数:45，代码来源:MarkLogicTupleQueryTest.java


注：本文中的org.eclipse.rdf4j.query.BindingSet.getValue方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。