Ejemplo n.º 1
0
  public void test_plainLiteral() {

    final String lit1 = "abc";
    final String lit2 = "abcd";
    final String lit3 = "abcde";

    final byte[] k1 = fixture.plainLiteral2key(lit1);
    final byte[] k2 = fixture.plainLiteral2key(lit2);
    final byte[] k3 = fixture.plainLiteral2key(lit3);

    if (log.isInfoEnabled()) {
      log.info("k1(" + lit1 + ") = " + BytesUtil.toString(k1));
      log.info("k2(" + lit2 + ") = " + BytesUtil.toString(k2));
      log.info("k3(" + lit3 + ") = " + BytesUtil.toString(k3));
    }

    assertTrue(BytesUtil.compareBytes(k1, k2) < 0);
    assertTrue(BytesUtil.compareBytes(k2, k3) < 0);
  }
Ejemplo n.º 2
0
  /**
   * Test verifies the ordering among URIs, Literals, and BNodes. This ordering is important when
   * batching terms of these different types into the term index since you want to insert the type
   * types according to this order for the best performance.
   */
  public void test_termTypeOrder() {

    /*
     * one key of each type. the specific values for the types do not matter
     * since we are only interested in the relative order between those
     * types in this test.
     */

    final byte[] k1 = fixture.uri2key("http://www.cognitiveweb.org");
    final byte[] k2 = fixture.plainLiteral2key("hello world!");
    final byte[] k3 = fixture.blankNode2Key("a12");

    assertTrue(BytesUtil.compareBytes(k1, k2) < 0);
    assertTrue(BytesUtil.compareBytes(k2, k3) < 0);
  }
Ejemplo n.º 3
0
  public void test_plain_vs_languageCode_literal() {

    final String en = "en";
    //        String de = "de";

    final String lit1 = "abc";
    //        String lit2 = "abc";
    //        String lit3 = "abce";
    //        final Literal a = new LiteralImpl("foo");
    //        final Literal b = new LiteralImpl("foo", "en");

    final byte[] k1 = fixture.plainLiteral2key(lit1);
    final byte[] k2 = fixture.languageCodeLiteral2key(en, lit1);

    // not encoded onto the same key.
    assertFalse(BytesUtil.bytesEqual(k1, k2));

    // the plain literals are ordered before the language code literals.
    assertTrue(BytesUtil.compareBytes(k1, k2) < 0);
  }