com.pingcap.tikv.util

类 RangeSplitter

java.lang.Object

com.pingcap.tikv.util.RangeSplitter

public class RangeSplitter
extends Object

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	RangeSplitter.RegionTask

方法概要

限定符和类型	方法和说明
Map<Pair<TiRegion,Metapb.Store>,List<Handle>>	groupByAndSortHandlesByRegionId(long tableId, List<Handle> handles) Group by a list of handles by the handles' region, handles will be sorted.
static RangeSplitter	newSplitter(RegionManager mgr)
List<RangeSplitter.RegionTask>	splitAndSortHandlesByRegion(List<Long> ids, List<Handle> handles)
List<RangeSplitter.RegionTask>	splitRangeByRegion(List<Coprocessor.KeyRange> keyRanges) Split key ranges into corresponding region tasks and group by their region id
List<RangeSplitter.RegionTask>	splitRangeByRegion(List<Coprocessor.KeyRange> keyRanges, TiStoreType storeType) Split key ranges into corresponding region tasks and group by their region id

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

方法详细资料

newSplitter

public static RangeSplitter newSplitter(RegionManager mgr)

groupByAndSortHandlesByRegionId

public Map<Pair<TiRegion,Metapb.Store>,List<Handle>> groupByAndSortHandlesByRegionId(long tableId,
                                                                                     List<Handle> handles)

Group by a list of handles by the handles' region, handles will be sorted.

参数:

tableId - Table id used for the handle

handles - Handle list

返回:

map

splitAndSortHandlesByRegion

public List<RangeSplitter.RegionTask> splitAndSortHandlesByRegion(List<Long> ids,
                                                                  List<Handle> handles)

splitRangeByRegion

public List<RangeSplitter.RegionTask> splitRangeByRegion(List<Coprocessor.KeyRange> keyRanges,
                                                         TiStoreType storeType)

Split key ranges into corresponding region tasks and group by their region id

参数:

keyRanges - List of key ranges

storeType - Store type, null or TiKV for TiKV(leader), otherwise TiFlash(learner)

返回:

List of RegionTask, each task corresponds to a different region.

splitRangeByRegion

public List<RangeSplitter.RegionTask> splitRangeByRegion(List<Coprocessor.KeyRange> keyRanges)

Split key ranges into corresponding region tasks and group by their region id

参数:

keyRanges - List of key ranges

返回:

List of RegionTask, each task corresponds to a different region.