Package org.apache.hadoop.hdfs.server.datanode

Examples of org.apache.hadoop.hdfs.server.datanode.FSDataset.updateBlock()

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        DataNode datanode = cluster.getDataNode(datanodeinfo.ipcPort);
        FSDataset dataset = (FSDataset)datanode.data;
        Block b = dataset.getStoredBlock(nsId, locatedblock.getBlock().getBlockId());
        Block newBlock = new Block(b);
        newBlock.setGenerationStamp(6661);
        dataset.updateBlock(nsId, b, newBlock);

        Block newBlock1 = new Block(b);
        newBlock1.setGenerationStamp(6662);
        boolean hitException = false;
        try {
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        Block newBlock1 = new Block(b);
        newBlock1.setGenerationStamp(6662);
        boolean hitException = false;
        try {
          dataset.updateBlock(nsId, b, newBlock1);
        } catch (IOException e) {
          hitException = true;
        }
        TestCase.assertTrue("Shouldn't allow update block when generation doesn't match", hitException);
        dataset.updateBlock(nsId, newBlock, newBlock1);
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          dataset.updateBlock(nsId, b, newBlock1);
        } catch (IOException e) {
          hitException = true;
        }
        TestCase.assertTrue("Shouldn't allow update block when generation doesn't match", hitException);
        dataset.updateBlock(nsId, newBlock, newBlock1);
      }
    } finally {
      IOUtils.closeStream(dfs);
      cluster.shutdown();
    }
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        DataNode datanode = cluster.getDataNode(datanodeinfo.ipcPort);
        FSDataset dataset = (FSDataset)datanode.data;
        Block b = dataset.getStoredBlock(nsId, locatedblock.getBlock().getBlockId());
        Block newBlock = new Block(b);
        newBlock.setGenerationStamp(6661);
        dataset.updateBlock(nsId, b, newBlock);

        Block newBlock1 = new Block(b);
        newBlock1.setGenerationStamp(6662);
        boolean hitException = false;
        try {
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        Block newBlock1 = new Block(b);
        newBlock1.setGenerationStamp(6662);
        boolean hitException = false;
        try {
          dataset.updateBlock(nsId, b, newBlock1);
        } catch (IOException e) {
          hitException = true;
        }
        TestCase.assertTrue("Shouldn't allow update block when generation doesn't match", hitException);
        dataset.updateBlock(nsId, newBlock, newBlock1);
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          dataset.updateBlock(nsId, b, newBlock1);
        } catch (IOException e) {
          hitException = true;
        }
        TestCase.assertTrue("Shouldn't allow update block when generation doesn't match", hitException);
        dataset.updateBlock(nsId, newBlock, newBlock1);
      }
    } finally {
      IOUtils.closeStream(dfs);
      cluster.shutdown();
    }
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