Examples of org.rocksdb.ReadOptions.tailing()

org.rocksdb.ReadOptions.tailing()
Specify to create a tailing iterator -- a special iterator that has a view of the complete database (i.e. it can also be used to read newly added data) and is optimized for sequential reads. It will return records that were inserted into the database after the creation of the iterator. Default: false Not supported in {@code ROCKSDB_LITE} mode! @return true if tailing iterator is enabled.

    try {
      opt = new ReadOptions();
      Random rand = new Random();
      boolean boolValue = rand.nextBoolean();
      opt.setTailing(boolValue);
      assertThat(opt.tailing()).isEqualTo(boolValue);
    } finally {
      if (opt != null) {
        opt.dispose();
      }
    }

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  @Test
  public void failTailingUninitialized(){
    ReadOptions readOptions = setupUninitializedReadOptions(
        exception);
    readOptions.tailing();
  }


  @Test
  public void failSetSnapshotUninitialized(){
    ReadOptions readOptions = setupUninitializedReadOptions(

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    }


    { // Tailing test
      boolean boolValue = rand.nextBoolean();
      opt.setTailing(boolValue);
      assert(opt.tailing() == boolValue);
    }


    opt.dispose();
    System.out.println("Passed ReadOptionsTest");
  }

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