本文整理匯總了Java中org.apache.hadoop.hbase.client.HTable.getTableDescriptor方法的典型用法代碼示例。如果您正苦於以下問題:Java HTable.getTableDescriptor方法的具體用法?Java HTable.getTableDescriptor怎麽用?Java HTable.getTableDescriptor使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.apache.hadoop.hbase.client.HTable
的用法示例。
在下文中一共展示了HTable.getTableDescriptor方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: init
import org.apache.hadoop.hbase.client.HTable; //導入方法依賴的package包/類
private void init() {
logger.debug("Getting region locations");
try {
HTable table = new HTable(storagePluginConfig.getHBaseConf(), hbaseScanSpec.getTableName());
this.hTableDesc = table.getTableDescriptor();
NavigableMap<HRegionInfo, ServerName> regionsMap = table.getRegionLocations();
statsCalculator = new TableStatsCalculator(table, hbaseScanSpec, storagePlugin.getContext().getConfig(), storagePluginConfig);
boolean foundStartRegion = false;
regionsToScan = new TreeMap<HRegionInfo, ServerName>();
for (Entry<HRegionInfo, ServerName> mapEntry : regionsMap.entrySet()) {
HRegionInfo regionInfo = mapEntry.getKey();
if (!foundStartRegion && hbaseScanSpec.getStartRow() != null && hbaseScanSpec.getStartRow().length != 0 && !regionInfo.containsRow(hbaseScanSpec.getStartRow())) {
continue;
}
foundStartRegion = true;
regionsToScan.put(regionInfo, mapEntry.getValue());
scanSizeInBytes += statsCalculator.getRegionSizeInBytes(regionInfo.getRegionName());
if (hbaseScanSpec.getStopRow() != null && hbaseScanSpec.getStopRow().length != 0 && regionInfo.containsRow(hbaseScanSpec.getStopRow())) {
break;
}
}
table.close();
} catch (IOException e) {
throw new DrillRuntimeException("Error getting region info for table: " + hbaseScanSpec.getTableName(), e);
}
verifyColumns();
}