Package org.openrdf.sail

Examples of org.openrdf.sail.SailConnection.begin()

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    @Test
    public void testGetStatementsS_POG() throws Exception {
        SailConnection sc = sail.getConnection();
        try {
            sc.begin();
            URI uriA = sail.getValueFactory().createURI("http://example.org/test/S_POG#a");
            URI uriB = sail.getValueFactory().createURI("http://example.org/test/S_POG#b");
            URI uriC = sail.getValueFactory().createURI("http://example.org/test/S_POG#c");
            URI uriD = sail.getValueFactory().createURI("http://example.org/test/S_POG#d");
            int before, after;
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            int before, after;

            // default context, different S,P,O
            sc.removeStatements(uriA, null, null);
            sc.commit();
            sc.begin();
            before = countStatements(sc, uriA, null, null, false);
            sc.addStatement(uriA, uriB, uriC);
            sc.commit();
            sc.begin();
            after = countStatements(sc, uriA, null, null, false);
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            sc.commit();
            sc.begin();
            before = countStatements(sc, uriA, null, null, false);
            sc.addStatement(uriA, uriB, uriC);
            sc.commit();
            sc.begin();
            after = countStatements(sc, uriA, null, null, false);
            assertEquals(0, before);
            System.out.flush();
            assertEquals(1, after);
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            assertEquals(1, after);

            // one specific context, different S,P,O
            sc.removeStatements(uriA, null, null, uriD);
            sc.commit();
            sc.begin();
            before = countStatements(sc, uriA, null, null, false, uriD);
            sc.addStatement(uriA, uriB, uriC, uriD);
            sc.commit();
            sc.begin();
            after = countStatements(sc, uriA, null, null, false, uriD);
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            sc.commit();
            sc.begin();
            before = countStatements(sc, uriA, null, null, false, uriD);
            sc.addStatement(uriA, uriB, uriC, uriD);
            sc.commit();
            sc.begin();
            after = countStatements(sc, uriA, null, null, false, uriD);
            assertEquals(0, before);
            assertEquals(1, after);

            // one specific context, same S,P,O,G
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            assertEquals(1, after);

            // one specific context, same S,P,O,G
            sc.removeStatements(uriA, null, null, uriA);
            sc.commit();
            sc.begin();
            before = countStatements(sc, uriA, null, null, false, uriA);
            sc.addStatement(uriA, uriB, uriC, uriA);
            sc.commit();
            sc.begin();
            after = countStatements(sc, uriA, null, null, false, uriA);
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            sc.commit();
            sc.begin();
            before = countStatements(sc, uriA, null, null, false, uriA);
            sc.addStatement(uriA, uriB, uriC, uriA);
            sc.commit();
            sc.begin();
            after = countStatements(sc, uriA, null, null, false, uriA);
            assertEquals(0, before);
            assertEquals(1, after);

            // default context, same S,P,O
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            assertEquals(1, after);

            // default context, same S,P,O
            sc.removeStatements(uriA, null, null);
            sc.commit();
            sc.begin();
            before = countStatements(sc, uriA, null, null, false);
            sc.addStatement(uriA, uriB, uriC);
            sc.commit();
            sc.begin();
            after = countStatements(sc, uriA, null, null, false);
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            sc.commit();
            sc.begin();
            before = countStatements(sc, uriA, null, null, false);
            sc.addStatement(uriA, uriB, uriC);
            sc.commit();
            sc.begin();
            after = countStatements(sc, uriA, null, null, false);
            assertEquals(0, before);
            assertEquals(1, after);
        } finally {
            sc.rollback();
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    @Test
    public void testGetStatementsSP_OG() throws Exception {
        SailConnection sc = sail.getConnection();
        try {
            sc.begin();
            URI uriA = sail.getValueFactory().createURI("http://example.org/test/SP_OG#a");
            URI uriB = sail.getValueFactory().createURI("http://example.org/test/SP_OG#b");
            URI uriC = sail.getValueFactory().createURI("http://example.org/test/SP_OG#c");
            int before, after;
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