本文整理汇总了Java中com.hp.hpl.jena.sparql.core.DatasetGraph.contains方法的典型用法代码示例。如果您正苦于以下问题：Java DatasetGraph.contains方法的具体用法？Java DatasetGraph.contains怎么用？Java DatasetGraph.contains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com.hp.hpl.jena.sparql.core.DatasetGraph的用法示例。
在下文中一共展示了DatasetGraph.contains方法的1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: matchSingleTmx
import com.hp.hpl.jena.sparql.core.DatasetGraph; //导入方法依赖的package包/类
static public String matchSingleTmx(Node tmx, DatasetGraph g, Model m){
String sq="";
if (g.contains(null, tmx, typeNode, instantNode)) { // One Instant
sq += "?ev <http://semanticweb.cs.vu.nl/2009/11/sem/hasTime> ?t . ?t a <http://www.w3.org/TR/owl-time#Instant> . ";
for (Iterator<Quad> iter = g.find(null, tmx, specificTimeNode, null); iter.hasNext(); ) {
Quad q = iter.next();
sq += "?t <http://www.w3.org/TR/owl-time#inDateTime> <" + q.asTriple().getObject() + "> . ";
}
} else { // One Interval
String intervalQuery = "SELECT ?begin ?end WHERE { <" + tmx + "> <http://www.w3.org/TR/owl-time#hasBeginning> ?begin ; <http://www.w3.org/TR/owl-time#hasEnd> ?end . }";
Query inQuery = QueryFactory.create(intervalQuery);
// Create a single execution of this query, apply to a model
// which is wrapped up as a Dataset
QueryExecution inQexec = QueryExecutionFactory.create(inQuery, m);
try {
// Assumption: it’s a SELECT query.
ResultSet inrs = inQexec.execSelect();
// The order of results is undefined.
for (; inrs.hasNext(); ) {
QuerySolution evrb = inrs.nextSolution();
// Get title - variable names do not include the ’?’
String begin = evrb.get("begin").toString();
String end = evrb.get("end").toString();
String unionQuery = "{ ?ev <http://semanticweb.cs.vu.nl/2009/11/sem/hasTime> ?t . ?t a <http://www.w3.org/TR/owl-time#Interval> . ?t <http://www.w3.org/TR/owl-time#hasBeginning> <" + begin + "> ; <http://www.w3.org/TR/owl-time#hasEnd> <" + end + "> . } ";
unionQuery += "UNION ";
unionQuery += "{ ?ev <http://semanticweb.cs.vu.nl/2009/11/sem/hasEarliestBeginTimeStamp> ?t1 . ?t1 a <http://www.w3.org/TR/owl-time#Instant> . ?t1 <http://www.w3.org/TR/owl-time#inDateTime> <" + begin + "> . ?ev <http://semanticweb.cs.vu.nl/2009/11/sem/hasEarliestEndTimeStamp> ?t2 . ?t2 a <http://www.w3.org/TR/owl-time#Instant> . ?t2 <http://www.w3.org/TR/owl-time#inDateTime> <" + end + "> . } ";
sq += unionQuery;
}
} finally {
inQexec.close();
}
}
return sq;
}