Package org.apache.clerezza.rdf.core

Examples of org.apache.clerezza.rdf.core.Triple

575
576
577
578
579
580
581
582
583
584
585
586
    public Set<UriRef> getNames(Graph graph) {
        //TODO: this method would require to compare the triples within the graph
        //      because an equals check will not work with BNodes.
        Set<UriRef> graphNames = new HashSet<UriRef>();
        for( Iterator<Triple> iterator = graphNameIndex.getMGraph().iterator(); iterator.hasNext(); ) {
            Triple triple = iterator.next();
            UriRef graphName = new UriRef(triple.getSubject().toString());
            Graph currentGraph = getModelGraph(graphName, false, false).getGraph();
            if(graph.equals(currentGraph)){
                graphNames.add(graphName);
            }
        }
View Full Code Here
688
689
690
691
692
693
694
695
696
697
698
   
    private void removeDefaultGraphFromIndex() {
      MGraph index = graphNameIndex.getMGraph();
      Iterator<Triple> triplesToRemove = index.filter(null, RDF.type, Symbols.Default);
      for( ; triplesToRemove.hasNext(); ) {
          Triple triple = triplesToRemove.next();
          triplesToRemove.remove();
          removeFromIndex( UriRef.class.cast(triple.getSubject()), Symbols.Graph );
      }
      graphNameIndex.sync();
    }
View Full Code Here
69
70
71
72
73
74
75
76
77
78
79
     * Add or removes randomly a triple.
     *
     * @return the triple that was added or removed.
     */
    public Triple evolve() {
        Triple triple;
        int random = rollDice(2);
        if (random == 0 && size() != 0) {
            triple = getRandomTriple();
            remove(triple);
        } else {
View Full Code Here
87
88
89
90
91
92
93
94
95
     * Removes a random triple.
     *
     * @return the triple that was removed.
     */
    public Triple removeRandomTriple() {
        Triple randomTriple = getRandomTriple();
        remove(randomTriple);
        return randomTriple;
    }
View Full Code Here
98
99
100
101
102
103
104
105
106
107
108
     * Adds a random triple.
     *
     * @return the triple that was added.
     */
    public Triple addRandomTriple() {
        Triple randomTriple;
        do {
         randomTriple = createRandomTriple();
        } while(contains(randomTriple));
       
        add(randomTriple);
View Full Code Here
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
        }
        throw new RuntimeException("in createRandomResource()");
    }

    private Resource getExistingResource() {
        Triple triple = getRandomTriple();
        if (triple == null) {
            return null;
        }
        switch (rollDice(3)) {
            case 0:
                return triple.getSubject();
            case 1:
                return triple.getPredicate();
            case 2:
                return triple.getObject();
        }
        return null;
    }
View Full Code Here
219
220
221
222
223
224
225
226
227
228
229
        if (size == 0) {
            return null;
        }
        Iterator<Triple> triples = iterator();
        while (triples.hasNext()) {
            Triple triple = triples.next();
            if (rollDice(this.size()) == 0) {
                return triple;
            }
        }
        return getRandomTriple();
View Full Code Here
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
        final TripleImpl triple1 = new TripleImpl(uriRef1, uriRef2, uriRef1);
        graph.add(triple1);
        Assert.assertEquals(1, graph.size());
        Iterator<Triple> tripleIter = graph.filter(uriRef1, uriRef2, uriRef1);
        Assert.assertTrue(tripleIter.hasNext());
        Triple tripleGot = tripleIter.next();
        Assert.assertEquals(triple1, tripleGot);
        Assert.assertFalse(tripleIter.hasNext());
        BNode bnode = new BNode() {};
        graph.add(new TripleImpl(bnode, uriRef1, uriRef3));
        graph.add(new TripleImpl(bnode, uriRef1, uriRef4));
        tripleIter = graph.filter(null, uriRef1, null);
        Set<NonLiteral> subjectInMatchingTriples = new HashSet<NonLiteral>();
        Set<Resource> objectsInMatchingTriples = new HashSet<Resource>();
        while (tripleIter.hasNext()) {
            Triple triple = tripleIter.next();
            subjectInMatchingTriples.add(triple.getSubject());
            objectsInMatchingTriples.add(triple.getObject());
        }
        Assert.assertEquals(1, subjectInMatchingTriples.size());
        Assert.assertEquals(2, objectsInMatchingTriples.size());
        Set<Resource> expectedObjects = new HashSet<Resource>();
        expectedObjects.add(uriRef3);
        expectedObjects.add(uriRef4);
        Assert.assertEquals(expectedObjects, objectsInMatchingTriples);
        graph.add(new TripleImpl(bnode, uriRef4, bnode));
        tripleIter = graph.filter(null, uriRef4, null);
        Assert.assertTrue(tripleIter.hasNext());
        Triple retrievedTriple = tripleIter.next();
        Assert.assertFalse(tripleIter.hasNext());
        Assert.assertEquals(retrievedTriple.getSubject(), retrievedTriple.getObject());
        tripleIter = graph.filter(uriRef1, uriRef2, null);
        Assert.assertTrue(tripleIter.hasNext());
        retrievedTriple = tripleIter.next();
        Assert.assertFalse(tripleIter.hasNext());
        Assert.assertEquals(retrievedTriple.getSubject(), retrievedTriple.getObject());
    }
View Full Code Here
190
191
192
193
194
195
196
197
198
199
200

    @Test
    public void testAddSingleTriple() throws Exception {
        MGraph graph = getEmptyMGraph();
        final Triple triple= createTriple(
                "http://example.org/ontology/Person",
                "http://example.org/ontology/hasName",
                "http://example.org/people/alice");
        Assert.assertEquals(0, graph.size());
        Assert.assertTrue(graph.add(triple));
View Full Code Here
203
204
205
206
207
208
209
210
211
212
213

    @Test
    public void testAddSameTripleTwice() throws Exception {
        MGraph graph = getEmptyMGraph();
        final Triple triple= createTriple(
                "http://example.org/ontology/Person",
                "http://example.org/ontology/hasName",
                "http://example.org/people/alice");
        Assert.assertEquals(0, graph.size());
        Assert.assertTrue(graph.add(triple));
View Full Code Here
TOP

Related Classes of org.apache.clerezza.rdf.core.Triple

  • org.apache.clerezza.platform.content.AbstractDiscobitsHandler
  • org.apache.clerezza.platform.content.DiscobitsTypeHandler
  • org.apache.clerezza.platform.documentation.DocumentationProvider
  • org.apache.clerezza.platform.documentation.UriMutatorIterator
  • org.apache.clerezza.platform.documentation.UriMutatorIteratorTest
  • org.apache.clerezza.platform.documentation.viewer.DocumentationViewer
  • org.apache.clerezza.platform.security.PermissionDefinitions
  • org.apache.clerezza.platform.typehandlerspace.TypeHandlerSpace
  • org.apache.clerezza.platform.typehandlerspace.TypeHandlerSpaceTest
  • org.apache.clerezza.rdf.core.access.security.TcAccessController
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.