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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.omid.transaction;
19  
20  import com.google.common.base.Objects;
21  import org.apache.hadoop.hbase.Cell;
22  
23  public class CellInfo {
24  
25      private final Cell cell;
26      private final Cell shadowCell;
27      private final long timestamp;
28  
29      public CellInfo(Cell cell, Cell shadowCell) {
30          // TODO: Use Guava preconditions instead of the assertions
31          assert (cell != null && shadowCell != null);
32          assert (cell.getTimestamp() == shadowCell.getTimestamp());
33          this.cell = cell;
34          this.shadowCell = shadowCell;
35          this.timestamp = cell.getTimestamp();
36      }
37  
38      public Cell getCell() {
39          return cell;
40      }
41  
42      public Cell getShadowCell() {
43          return shadowCell;
44      }
45  
46      public long getTimestamp() {
47          return timestamp;
48      }
49  
50      @Override
51      public String toString() {
52          return Objects.toStringHelper(this)
53                  .add("ts", timestamp)
54                  .add("cell", cell)
55                  .add("shadow cell", shadowCell)
56                  .toString();
57      }
58  
59  }