Examples with ResultSetRewindable org.apache.jena.query.ResultSetRewindable used on opensource projects

Example 11 with ResultSetRewindable

use of org.apache.jena.query.ResultSetRewindable in project jena by apache.

the class TestResultSet method makeRewindable.

private ResultSetRewindable makeRewindable(String var, Node val) {
    ResultSet rs = make(var, val);
    ResultSetRewindable rsw = ResultSetFactory.makeRewindable(rs);
    return rsw;
}

Example 12 with ResultSetRewindable

use of org.apache.jena.query.ResultSetRewindable in project jena by apache.

the class TestResultSet method test_RS_cmp_6.

@Test
public void test_RS_cmp_6() {
    // Different variable, same values
    ResultSetRewindable rs1 = makeRewindable("x", org.apache.jena.graph.NodeFactory.createURI("tag:local"));
    ResultSetRewindable rs2 = makeRewindable("y", org.apache.jena.graph.NodeFactory.createURI("tag:local"));
    assertFalse(ResultSetCompare.equalsByTermAndOrder(rs1, rs2));
    rs1.reset();
    rs2.reset();
    assertFalse(ResultSetCompare.equalsByTerm(rs1, rs2));
}

Example 13 with ResultSetRewindable

use of org.apache.jena.query.ResultSetRewindable in project jena by apache.

the class TestResultSetFormat1 method areIsomorphic.

private static void areIsomorphic(ResultSet x, ResultSet y) {
    ResultSetRewindable rs1 = ResultSetFactory.makeRewindable(x);
    ResultSetRewindable rs2 = ResultSetFactory.makeRewindable(y);
    //        System.out.println(ResultSetFormatter.asText(rs1));
    //        System.out.println();
    //        System.out.println(ResultSetFormatter.asText(rs2));
    //        rs1.reset();
    //        rs2.reset();
    Assert.assertTrue(ResultSetCompare.isomorphic(rs1, rs2));
}

Example 14 with ResultSetRewindable

use of org.apache.jena.query.ResultSetRewindable in project jena by apache.

the class TestResultSet method test_RS_peeking_8.

@Test(expected = IllegalStateException.class)
public void test_RS_peeking_8() {
    // Peeking may fail if someone moves backwards in the result set
    // If we had moved past the first item this should be an error
    ResultSetRewindable inner = new ResultSetMem(make("x", NodeFactory.createURI("tag:local")), make("x", NodeFactory.createURI("tag:local")));
    ResultSetPeekable rs = ResultSetFactory.makePeekable(inner);
    assertTrue(rs.hasNext());
    assertNotNull(rs.peek());
    assertNotNull(rs.next());
    // Reset the inner result set independently
    inner.reset();
    // Since we moved the underlying result set backwards and had moved somewhere we
    // are now in an illegal state
    rs.hasNext();
}

Example 15 with ResultSetRewindable

use of org.apache.jena.query.ResultSetRewindable in project jena by apache.

the class TestResultSet method test_RS_fmt.

private void test_RS_fmt(ResultSet rs, ResultsFormat fmt, boolean ordered) {
    ResultSetRewindable rs1 = ResultSetFactory.makeRewindable(rs);
    ByteArrayOutputStream arr = new ByteArrayOutputStream();
    ResultSetFormatter.output(arr, rs1, fmt);
    byte[] bytes = arr.toByteArray();
    rs1.reset();
    ByteArrayInputStream ins = new ByteArrayInputStream(bytes);
    ResultSetRewindable rs2 = ResultSetFactory.makeRewindable(ResultSetFactory.load(ins, fmt));
    // Ordered? Unordered?
    boolean b = ResultSetCompare.equalsByTerm(rs1, rs2);
    if (ordered) {
        rs1.reset();
        rs2.reset();
        b = b & ResultSetCompare.equalsByTerm(rs1, rs2);
    }
    if (!b) {
        System.out.println(new String(bytes));
        rs1.reset();
        rs2.reset();
        ResultSetFormatter.out(rs1);
        ResultSetFormatter.out(rs2);
    }
    assertTrue(b);
}