Method write

java/src/test/java/org/rocksdb/RocksDBTest.java:129–156

()

  }

  @Test
  public void write() throws RocksDBException {
    try (final StringAppendOperator stringAppendOperator = new StringAppendOperator();
         final Options options = new Options()
             .setMergeOperator(stringAppendOperator)
             .setCreateIfMissing(true);
         final RocksDB db = RocksDB.open(options,
             dbFolder.getRoot().getAbsolutePath());
         final WriteOptions opts = new WriteOptions()) {

      try (final WriteBatch wb1 = new WriteBatch()) {
        wb1.put("key1".getBytes(), "aa".getBytes());
        wb1.merge("key1".getBytes(), "bb".getBytes());

        try (final WriteBatch wb2 = new WriteBatch()) {
          wb2.put("key2".getBytes(), "xx".getBytes());
          wb2.merge("key2".getBytes(), "yy".getBytes());
          db.write(opts, wb1);
          db.write(opts, wb2);
        }
      }

      assertThat(db.get("key1".getBytes())).isEqualTo(
          "aa,bb".getBytes());
      assertThat(db.get("key2".getBytes())).isEqualTo(
          "xx,yy".getBytes());
    }
  }

  @Test
  public void getWithOutValue() throws RocksDBException {