org.apache.hadoop.hbase.client.Get.setIsolationLevel()方法的使用及代码示例

x33g5p2x  于2022-01-19 转载在 其他  
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本文整理了Java中org.apache.hadoop.hbase.client.Get.setIsolationLevel()方法的一些代码示例,展示了Get.setIsolationLevel()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。Get.setIsolationLevel()方法的具体详情如下:
包路径:org.apache.hadoop.hbase.client.Get
类名称:Get
方法名:setIsolationLevel

Get.setIsolationLevel介绍

暂无

代码示例

代码示例来源:origin: apache/hbase

/**
 * Do a specific Get on passed <code>columnFamily</code> and column qualifiers.
 * @param mutation Mutation we are doing this Get for.
 * @param store Which column family on row (TODO: Go all Gets in one go)
 * @param coordinates Cells from <code>mutation</code> used as coordinates applied to Get.
 * @return Return list of Cells found.
 */
private List<Cell> get(Mutation mutation, HStore store, List<Cell> coordinates,
  IsolationLevel isolation, TimeRange tr) throws IOException {
 // Sort the cells so that they match the order that they appear in the Get results. Otherwise,
 // we won't be able to find the existing values if the cells are not specified in order by the
 // client since cells are in an array list.
 // TODO: I don't get why we are sorting. St.Ack 20150107
 sort(coordinates, store.getComparator());
 Get get = new Get(mutation.getRow());
 if (isolation != null) {
  get.setIsolationLevel(isolation);
 }
 for (Cell cell: coordinates) {
  get.addColumn(store.getColumnFamilyDescriptor().getName(), CellUtil.cloneQualifier(cell));
 }
 // Increments carry time range. If an Increment instance, put it on the Get.
 if (tr != null) {
  get.setTimeRange(tr.getMin(), tr.getMax());
 }
 return get(get, false);
}

代码示例来源:origin: apache/hbase

private void assertICV(byte [] row,
            byte [] familiy,
            byte[] qualifier,
            long amount,
            boolean fast) throws IOException {
 // run a get and see?
 Get get = new Get(row);
 if (fast) get.setIsolationLevel(IsolationLevel.READ_UNCOMMITTED);
 get.addColumn(familiy, qualifier);
 Result result = region.get(get);
 assertEquals(1, result.size());
 Cell kv = result.rawCells()[0];
 long r = Bytes.toLong(CellUtil.cloneValue(kv));
 assertEquals(amount, r);
}

代码示例来源:origin: apache/hbase

.setFilter(new FilterList())
.setId("get")
.setIsolationLevel(IsolationLevel.READ_COMMITTED)
.setLoadColumnFamiliesOnDemand(false)
.setMaxResultsPerColumnFamily(1000)

代码示例来源:origin: apache/hbase

get.setConsistency(Consistency.TIMELINE);
get.setReplicaId(2);
get.setIsolationLevel(IsolationLevel.READ_UNCOMMITTED);
get.setCheckExistenceOnly(true);
get.setTimeRange(3, 4);

代码示例来源:origin: org.apache.hbase/hbase-client

.setFilter(new FilterList())
.setId("get")
.setIsolationLevel(IsolationLevel.READ_COMMITTED)
.setLoadColumnFamiliesOnDemand(false)
.setMaxResultsPerColumnFamily(1000)

代码示例来源:origin: org.apache.hbase/hbase-client

get.setConsistency(Consistency.TIMELINE);
get.setReplicaId(2);
get.setIsolationLevel(IsolationLevel.READ_UNCOMMITTED);
get.setCheckExistenceOnly(true);
get.setTimeRange(3, 4);

代码示例来源:origin: harbby/presto-connectors

/**
 * Do a specific Get on passed <code>columnFamily</code> and column qualifiers
 * from <code>incrementCoordinates</code> only.
 * @param increment
 * @param columnFamily
 * @param incrementCoordinates
 * @return Return the Cells to Increment
 * @throws IOException
 */
private List<Cell> getIncrementCurrentValue(final Increment increment, byte [] columnFamily,
  final List<Cell> increments, final IsolationLevel isolation)
throws IOException {
 Get get = new Get(increment.getRow());
 if (isolation != null) get.setIsolationLevel(isolation);
 for (Cell cell: increments) {
  get.addColumn(columnFamily, CellUtil.cloneQualifier(cell));
 }
 TimeRange tr = increment.getTimeRange();
 if (tr != null) {
  get.setTimeRange(tr.getMin(), tr.getMax());
 }
 return get(get, false);
}

代码示例来源:origin: org.apache.hbase/hbase-server

private void assertICV(byte [] row,
            byte [] familiy,
            byte[] qualifier,
            long amount,
            boolean fast) throws IOException {
 // run a get and see?
 Get get = new Get(row);
 if (fast) get.setIsolationLevel(IsolationLevel.READ_UNCOMMITTED);
 get.addColumn(familiy, qualifier);
 Result result = region.get(get);
 assertEquals(1, result.size());
 Cell kv = result.rawCells()[0];
 long r = Bytes.toLong(CellUtil.cloneValue(kv));
 assertEquals(amount, r);
}

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