org.apache.hadoop.hbase.client.HTable#getRegionLocations ( )源码实例Demo

下面列出了org.apache.hadoop.hbase.client.HTable#getRegionLocations ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： hbase-tools 文件： BalanceRuleTest.java

private void validateST2(HTable table1) throws IOException {
    NavigableMap<HRegionInfo, ServerName> regionLocations;
    List<Map.Entry<HRegionInfo, ServerName>> hRegionInfoList;
    regionLocations = table1.getRegionLocations();
    hRegionInfoList = new ArrayList<>(regionLocations.entrySet());
    Map<ServerName, Integer> serverCountMap = new HashMap<>();
    for (Map.Entry<HRegionInfo, ServerName> entry : hRegionInfoList) {
        if (serverCountMap.get(entry.getValue()) == null) {
            serverCountMap.put(entry.getValue(), 1);
        } else {
            serverCountMap.put(entry.getValue(), serverCountMap.get(entry.getValue()) + 1);
        }
    }
    Assert.assertEquals(Math.min(getServerNameList().size(), regionLocations.size()), serverCountMap.size());

    int regionCount;
    regionCount = 0;
    for (ServerName serverName : getServerNameList()) {
        List<HRegionInfo> regionInfoList = getRegionInfoList(serverName, Bytes.toString(table1.getTableName()));
        Assert.assertNotEquals(4, regionInfoList.size());
        Assert.assertEquals(2, regionInfoList.size());
        regionCount += regionInfoList.size();
    }
    Assert.assertEquals(4, regionCount);
}

源代码2 项目： hbase-tools 文件： BalanceRuleTest.java

private void validateST2(HTable table1) throws IOException {
    NavigableMap<HRegionInfo, ServerName> regionLocations;
    List<Map.Entry<HRegionInfo, ServerName>> hRegionInfoList;
    regionLocations = table1.getRegionLocations();
    hRegionInfoList = new ArrayList<>(regionLocations.entrySet());
    Map<ServerName, Integer> serverCountMap = new HashMap<>();
    for (Map.Entry<HRegionInfo, ServerName> entry : hRegionInfoList) {
        if (serverCountMap.get(entry.getValue()) == null) {
            serverCountMap.put(entry.getValue(), 1);
        } else {
            serverCountMap.put(entry.getValue(), serverCountMap.get(entry.getValue()) + 1);
        }
    }
    Assert.assertEquals(Math.min(getServerNameList().size(), regionLocations.size()), serverCountMap.size());

    int regionCount;
    regionCount = 0;
    for (ServerName serverName : getServerNameList()) {
        List<HRegionInfo> regionInfoList = getRegionInfoList(serverName, Bytes.toString(table1.getTableName()));
        Assert.assertNotEquals(4, regionInfoList.size());
        Assert.assertEquals(2, regionInfoList.size());
        regionCount += regionInfoList.size();
    }
    Assert.assertEquals(4, regionCount);
}

方法所在类

org.apache.hadoop.hbase.client.HTable