コード例 #1
0
  /**
   * Use a script execution to create an atomic put-if-absent operation that fulfills the contract
   * of {@link Map#putIfAbsent(Object, Object)}
   */
  @Test
  public void complexScriptExecutionSimulatingPutIfAbsent() {

    Customer ned = new Customer("Ned", "Stark");
    ned.setId("ned-stark");

    // #1: on first insert null has to be returned
    assertThat(operations.scriptOps().execute(createExecutablePutIfAbsentScript(ned)), nullValue());

    // #2: change the firstname and put the object again, we expect a return value.
    ned.setFirstname("Eddard");
    assertThat(
        operations.scriptOps().execute(createExecutablePutIfAbsentScript(ned)), notNullValue());

    // #3: make sure the entity has not been altered by #2
    assertThat(repository.findOne(ned.getId()).getFirstname(), is("Ned"));
    assertThat(repository.count(), is(1L));
  }
コード例 #2
0
  @Before
  public void setUp() {

    if (!operations.collectionExists(Customer.class)) {
      operations.createCollection(Customer.class);
    }

    // just make sure we remove everything properly
    operations.getCollection("system.js").remove(new BasicDBObject());
    repository.deleteAll();
  }