本文整理匯總了Java中org.apache.hadoop.hbase.HRegionInfo.compareTo方法的典型用法代碼示例。如果您正苦於以下問題：Java HRegionInfo.compareTo方法的具體用法？Java HRegionInfo.compareTo怎麽用？Java HRegionInfo.compareTo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.HRegionInfo的用法示例。
在下文中一共展示了HRegionInfo.compareTo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: getMergedRegionInfo
import org.apache.hadoop.hbase.HRegionInfo; //導入方法依賴的package包/類
/**
* Get merged region info through the specified two regions
* @param a merging region A
* @param b merging region B
* @return the merged region info
*/
public static HRegionInfo getMergedRegionInfo(final HRegionInfo a,
final HRegionInfo b) {
long rid = EnvironmentEdgeManager.currentTime();
// Regionid is timestamp. Merged region's id can't be less than that of
// merging regions else will insert at wrong location in hbase:meta
if (rid < a.getRegionId() || rid < b.getRegionId()) {
LOG.warn("Clock skew; merging regions id are " + a.getRegionId()
+ " and " + b.getRegionId() + ", but current time here is " + rid);
rid = Math.max(a.getRegionId(), b.getRegionId()) + 1;
}
byte[] startKey = null;
byte[] endKey = null;
// Choose the smaller as start key
if (a.compareTo(b) <= 0) {
startKey = a.getStartKey();
} else {
startKey = b.getStartKey();
}
// Choose the bigger as end key
if (Bytes.equals(a.getEndKey(), HConstants.EMPTY_BYTE_ARRAY)
|| (!Bytes.equals(b.getEndKey(), HConstants.EMPTY_BYTE_ARRAY)
&& Bytes.compareTo(a.getEndKey(), b.getEndKey()) > 0)) {
endKey = a.getEndKey();
} else {
endKey = b.getEndKey();
}
// Merged region is sorted between two merging regions in META
HRegionInfo mergedRegionInfo = new HRegionInfo(a.getTable(), startKey,
endKey, false, rid);
return mergedRegionInfo;
}