本文整理了Java中org.openrdf.query.BooleanQuery
类的一些代码示例,展示了BooleanQuery
类的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。BooleanQuery
类的具体详情如下:
包路径:org.openrdf.query.BooleanQuery
类名称:BooleanQuery
暂无
代码示例来源:origin: stackoverflow.com
BooleanQuery booleanQuery = con.prepareBoleanQuery(QueryLanguage.SPARQL, queryString);
boolean result = booleanQuery.evaluate();
代码示例来源:origin: blazegraph/database
@Test
public void testPreparedBooleanQuery()
throws Exception
{
testCon.add(alice, name, nameAlice, context2);
testCon.add(alice, mbox, mboxAlice, context2);
testCon.add(context2, publisher, nameAlice);
testCon.add(bob, name, nameBob, context1);
testCon.add(bob, mbox, mboxBob, context1);
testCon.add(context1, publisher, nameBob);
StringBuilder queryBuilder = new StringBuilder();
queryBuilder.append(PREFIX_FOAF + FOAF_NS + "> ");
queryBuilder.append(ASK);
queryBuilder.append("{ ?p foaf:name ?name }");
BooleanQuery query = testCon.prepareBooleanQuery(QueryLanguage.SPARQL, queryBuilder.toString());
query.setBinding(NAME, nameBob);
assertThat(query.evaluate(), is(equalTo(true)));
}
代码示例来源:origin: org.openrdf.elmo/elmo-repository
public boolean evaluate() throws QueryEvaluationException {
try {
RepositoryConnection con = getConnection();
QueryLanguage ql = getQueryLanguage();
String query = getQuery();
String baseURI = getBaseURI();
BooleanQuery qry = con.prepareBooleanQuery(ql, query, baseURI);
qry.setDataset(getDataset());
qry.setIncludeInferred(getIncludeInferred());
BindingSet bindings = getBindings();
for (String name : bindings.getBindingNames()) {
qry.setBinding(name, bindings.getValue(name));
}
return qry.evaluate();
} catch (MalformedQueryException e) {
throw new QueryEvaluationException(e);
} catch (RepositoryException e) {
throw new QueryEvaluationException(e);
}
}
代码示例来源:origin: blazegraph/database
queryBuilder.append("{ ?p foaf:name ?name }");
BooleanQuery query = testCon.prepareBooleanQuery(QueryLanguage.SPARQL, queryBuilder.toString());
query.setBinding(NAME, nameBob);
assertThat(query.evaluate(), is(equalTo(true)));
DatasetImpl dataset = new DatasetImpl();
query.setDataset(dataset);
assertThat(query.evaluate(), is(equalTo(true)));
query.setDataset(dataset);
assertThat(query.evaluate(), is(equalTo(true)));
query.setDataset(dataset);
assertThat(query.evaluate(), is(equalTo(false)));
queryBuilder.setLength(0);
queryBuilder.append(PREFIX_FOAF + FOAF_NS + "> ");
queryBuilder.append("{ GRAPH ?g { ?p foaf:name ?name } }");
query = testCon.prepareBooleanQuery(QueryLanguage.SPARQL, queryBuilder.toString());
query.setBinding(NAME, nameBob);
query.setDataset(dataset);
assertThat(query.evaluate(), is(equalTo(false)));
query.setDataset(dataset);
assertThat(query.evaluate(), is(equalTo(false)));
query.setDataset(dataset);
assertThat(query.evaluate(), is(equalTo(true)));
代码示例来源:origin: niclashoyer/neo4j-sparql-extension
BooleanQueryResultWriter writer = factory.getWriter(out);
conn.begin();
boolean result = query.evaluate();
Response res = Response
.status(Response.Status.SERVICE_UNAVAILABLE)
.header("X-Max-Response-Time", query.getMaxQueryTime())
.header("Access-Control-Allow-Origin", "*")
.build();
代码示例来源:origin: com.mysema.rdf/rdfbean-sesame3
@Override
public void setBinding(String variable, NODE node) {
booleanQuery.setBinding(variable, dialect.getNode(node));
}
代码示例来源:origin: org.openrdf.sesame/sesame-repository-sail
@Override
public BooleanQuery prepare(ParsedBooleanQuery askQuery) {
BooleanQuery query = new SailBooleanQuery(askQuery, con);
query.setIncludeInferred(includeInferred);
return query;
}
代码示例来源:origin: org.openrdf.sesame/sesame-repository-compliance-base
query.setBinding("name", nameBob);
assertTrue(query.evaluate());
query.setDataset(dataset);
assertTrue(query.evaluate());
query.setDataset(dataset);
assertTrue(query.evaluate());
query.setDataset(dataset);
assertFalse(query.evaluate());
query.setBinding("name", nameBob);
query.setDataset(dataset);
assertFalse(query.evaluate());
query.setDataset(dataset);
assertFalse(query.evaluate());
query.setDataset(dataset);
assertTrue(query.evaluate());
代码示例来源:origin: com.mysema.rdf/rdfbean-sesame2
@Override
public void setBinding(String variable, NODE node) {
booleanQuery.setBinding(variable, dialect.getNode(node));
}
代码示例来源:origin: org.openrdf.sesame/sesame-sail-spin
@Override
public BooleanQuery prepare(ParsedBooleanQuery askQuery) {
BooleanQuery query = new SailConnectionBooleanQuery(askQuery, con);
query.setIncludeInferred(includeInferred);
return query;
}
代码示例来源:origin: org.apache.marmotta/marmotta-sesame-matchers
@Override
protected boolean matchesSPARQL(RepositoryConnection con) throws MalformedQueryException, RepositoryException, QueryEvaluationException {
final BooleanQuery booleanQuery = con.prepareBooleanQuery(QueryLanguage.SPARQL, query, baseUri);
return booleanQuery.evaluate();
}
代码示例来源:origin: org.openrdf.sesame/sesame-repository-compliance-base
public void testPreparedBooleanQuery()
throws Exception
{
testCon.add(alice, name, nameAlice, context2);
testCon.add(alice, mbox, mboxAlice, context2);
testCon.add(context2, publisher, nameAlice);
testCon.add(bob, name, nameBob, context1);
testCon.add(bob, mbox, mboxBob, context1);
testCon.add(context1, publisher, nameBob);
StringBuilder queryBuilder = new StringBuilder();
queryBuilder.append("PREFIX foaf: <" + FOAF_NS + "> ");
queryBuilder.append("ASK ");
queryBuilder.append("{ ?p foaf:name ?name }");
BooleanQuery query = testCon.prepareBooleanQuery(QueryLanguage.SPARQL, queryBuilder.toString());
query.setBinding("name", nameBob);
assertTrue(query.evaluate());
}
代码示例来源:origin: blazegraph/database
queryBuilder.append("{ ?p foaf:name ?name }");
BooleanQuery query = testCon.prepareBooleanQuery(QueryLanguage.SPARQL, queryBuilder.toString());
query.setBinding(NAME, nameBob);
assertThat(query.evaluate(), is(equalTo(true)));
DatasetImpl dataset = new DatasetImpl();
query.setDataset(dataset);
assertThat(query.evaluate(), is(equalTo(true)));
query.setDataset(dataset);
assertThat(query.evaluate(), is(equalTo(true)));
query.setDataset(dataset);
assertThat(query.evaluate(), is(equalTo(false)));
queryBuilder.setLength(0);
queryBuilder.append(PREFIX_FOAF + FOAF_NS + "> ");
queryBuilder.append("{ GRAPH ?g { ?p foaf:name ?name } }");
query = testCon.prepareBooleanQuery(QueryLanguage.SPARQL, queryBuilder.toString());
query.setBinding(NAME, nameBob);
query.setDataset(dataset);
assertThat(query.evaluate(), is(equalTo(false)));
query.setDataset(dataset);
assertThat(query.evaluate(), is(equalTo(false)));
query.setDataset(dataset);
assertThat(query.evaluate(), is(equalTo(true)));
代码示例来源:origin: com.mysema.rdf/rdfbean-sesame
@Override
public void setBinding(String variable, NODE node) {
booleanQuery.setBinding(variable, dialect.getNode(node));
}
代码示例来源:origin: com.mysema.rdf/rdfbean-sesame
public static BooleanQuery getQuery(RepositoryConnection connection, BooleanQueryModel booleanQueryModel,
boolean includeInferred) {
try {
QUERY_HOLDER.set(booleanQueryModel);
BooleanQuery booleanQuery = connection.prepareBooleanQuery(DirectQuery.DIRECTQUERY, "");
booleanQuery.setIncludeInferred(includeInferred);
return booleanQuery;
} catch (StoreException e) {
throw new RepositoryException(e);
} catch (MalformedQueryException e) {
throw new RepositoryException(e);
}
}
代码示例来源:origin: com.mysema.rdf/rdfbean-sesame2
@Override
public boolean getBoolean() {
try {
return booleanQuery.evaluate();
} catch (QueryEvaluationException e) {
throw new RepositoryException(e);
}
}
代码示例来源:origin: org.openrdf.sesame/sesame-queryalgebra-evaluation
/**
* Evaluate the provided sparqlQueryString at the initialized
* {@link Repository} of this {@link FederatedService}. Insert
* bindings, send ask query and return final result
*/
@Override
public boolean ask(Service service, BindingSet bindings, String baseUri)
throws QueryEvaluationException
{
try {
String sparqlQueryString = service.getAskQueryString();
BooleanQuery query = getConnection().prepareBooleanQuery(QueryLanguage.SPARQL, sparqlQueryString,
baseUri);
Iterator<Binding> bIter = bindings.iterator();
while (bIter.hasNext()) {
Binding b = bIter.next();
if (service.getServiceVars().contains(b.getName()))
query.setBinding(b.getName(), b.getValue());
}
return query.evaluate();
}
catch (MalformedQueryException e) {
throw new QueryEvaluationException(e);
}
catch (RepositoryException e) {
throw new QueryEvaluationException("Repository for endpoint " + rep.toString()
+ " could not be initialized.", e);
}
}
代码示例来源:origin: com.mysema.rdf/rdfbean-sesame3
public static BooleanQuery getQuery(RepositoryConnection connection, BooleanQueryModel booleanQueryModel,
boolean includeInferred) {
try {
QUERY_HOLDER.set(booleanQueryModel);
BooleanQuery booleanQuery = connection.prepareBooleanQuery(DirectQuery.DIRECTQUERY, "");
booleanQuery.setIncludeInferred(includeInferred);
return booleanQuery;
} catch (StoreException e) {
throw new RepositoryException(e);
} catch (MalformedQueryException e) {
throw new RepositoryException(e);
}
}
代码示例来源:origin: apache/marmotta
@Override
protected boolean matchesSPARQL(RepositoryConnection con) throws MalformedQueryException, RepositoryException, QueryEvaluationException {
final BooleanQuery booleanQuery = con.prepareBooleanQuery(QueryLanguage.SPARQL, query, baseUri);
return booleanQuery.evaluate();
}
代码示例来源:origin: blazegraph/database
@Test
public void testPreparedBooleanQuery()
throws Exception
{
testCon.add(alice, name, nameAlice, context2);
testCon.add(alice, mbox, mboxAlice, context2);
testCon.add(context2, publisher, nameAlice);
testCon.add(bob, name, nameBob, context1);
testCon.add(bob, mbox, mboxBob, context1);
testCon.add(context1, publisher, nameBob);
StringBuilder queryBuilder = new StringBuilder();
queryBuilder.append(PREFIX_FOAF + FOAF_NS + "> ");
queryBuilder.append(ASK);
queryBuilder.append("{ ?p foaf:name ?name }");
BooleanQuery query = testCon.prepareBooleanQuery(QueryLanguage.SPARQL, queryBuilder.toString());
query.setBinding(NAME, nameBob);
assertThat(query.evaluate(), is(equalTo(true)));
}
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