Package com.hp.hpl.jena.rdf.model

Examples of com.hp.hpl.jena.rdf.model.NodeIterator

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   * @param removedModel
   */
  private void removeTree(Resource resource, Model removedModel) {
    Model resourceExpansion = JenaUtil.getExpandedResource(resource, 7);
    saveRemove(resource, removedModel);
    NodeIterator objects = resourceExpansion.listObjects();
    OUTER: while (objects.hasNext()) {
      RDFNode current = objects.nextNode();
      if (!(current instanceof Resource)) {
        continue;
      }
      StmtIterator stmts = model.listStatements(null, null, current);
      while (stmts.hasNext()) {
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        Resource r = model.createResource("http://example/r") ;
        b.index(r, "foo") ;
        b.closeWriter() ;
       
        IndexLARQ index = b.getIndex() ;
        NodeIterator nIter = index.searchModelByIndex("foo") ;
        assertEquals(1, TestLARQUtils.count(nIter)) ;
        nIter = index.searchModelByIndex("foo") ;
        Resource r2 = (Resource)nIter.nextNode() ;
        assertEquals(r, r2) ;
    }
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        Literal lit = model.createLiteral("example") ;
        b.index(lit, "foo") ;
        b.closeWriter() ;
       
        IndexLARQ index = b.getIndex() ;
        NodeIterator nIter = index.searchModelByIndex("foo") ;
        assertEquals(1, TestLARQUtils.count(nIter)) ;
        nIter = index.searchModelByIndex("foo") ;
        Literal lit2 = (Literal)nIter.nextNode() ;
        assertEquals(lit, lit2) ;
    }
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        Resource bnode = model.createResource() ;
        b.index(bnode, "foo") ;
        b.closeWriter() ;
       
        IndexLARQ index = b.getIndex() ;
        NodeIterator nIter = index.searchModelByIndex("foo") ;
        assertEquals(1, TestLARQUtils.count(nIter)) ;
        nIter = index.searchModelByIndex("foo") ;
        Resource bnode2 = (Resource)nIter.nextNode() ;
        assertEquals(bnode, bnode2) ;
        assertTrue(bnode2.isAnon()) ;
    }
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        Resource r = model.createResource("http://example/r") ;
        b.index(r, "foo") ;
        b.closeWriter() ;
       
        IndexLARQ index = b.getIndex() ;
        NodeIterator nIter = index.searchModelByIndex("bah") ;
        assertFalse(nIter.hasNext()) ;
    }
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        StringReader sr = new StringReader("foo") ;
        b.index(r, sr) ;
        b.closeWriter() ;
       
        IndexLARQ index = b.getIndex() ;
        NodeIterator nIter = index.searchModelByIndex("foo") ;
        assertEquals(1, TestLARQUtils.count(nIter)) ;
        nIter = index.searchModelByIndex("foo") ;
        Resource r2 = (Resource)nIter.nextNode() ;
        assertEquals(r, r2) ;
    }
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        StringReader sr = new StringReader("R1") ;
        b.index(r1, sr) ;
        b.closeWriter();
       
        IndexLARQ index = b.getIndex() ;
        NodeIterator nIter = index.searchModelByIndex("R1") ;
        assertEquals(1, TestLARQUtils.count(nIter)) ;
        nIter = index.searchModelByIndex("R2") ;
        assertEquals(0, TestLARQUtils.count(nIter)) ;
       
        // Add r2.
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    @Test public void test_index_literal_1()
    {
        Model model = ModelFactory.createDefaultModel() ;
        IndexLARQ index = TestLARQUtils.createIndex(model, datafile, new IndexBuilderString()) ;
        NodeIterator nIter = index.searchModelByIndex(model, "+document") ;
        // Search both DC title and RDFS label
        assertEquals(3,TestLARQUtils.count(nIter)) ;
        index.close() ;
    }
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    @Test public void test_index_literal_2()
    {
        Model model = ModelFactory.createDefaultModel() ;
        IndexLARQ index = TestLARQUtils.createIndex(model, datafile, new IndexBuilderString(DC.title)) ;
        NodeIterator nIter = index.searchModelByIndex(model, "+document") ;
        // Search just DC title
        assertEquals(2,TestLARQUtils.count(nIter)) ;
    }
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    @Test public void test_index_literal_3()
    {
        Model model = ModelFactory.createDefaultModel() ;
        IndexLARQ index = TestLARQUtils.createIndex(model, datafile, new IndexBuilderString()) ;
        NodeIterator nIter = index.searchModelByIndex(model, "+document") ;
        // Search both DC title and RDFS label
        for ( ; nIter.hasNext(); )
        {
            RDFNode n = nIter.nextNode() ;
            assertTrue(n instanceof Literal) ;
            assertTrue(model.contains(null, null, n)) ;
            boolean b = model.contains(null, DC.title, n) ||
                        model.contains(null, RDFS.label, n) ;
            assertTrue("DC.title or RDFS.label", b) ;
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