本文整理汇总了Java中org.apache.hadoop.hbase.ServerName.compareTo方法的典型用法代码示例。如果您正苦于以下问题：Java ServerName.compareTo方法的具体用法？Java ServerName.compareTo怎么用？Java ServerName.compareTo使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.hbase.ServerName的用法示例。
在下文中一共展示了ServerName.compareTo方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getRegionsMovement
import org.apache.hadoop.hbase.ServerName; //导入方法依赖的package包/类
/**
* Return how many regions will move per table since their primary RS will
* change
*
* @param newPlan - new AssignmentPlan
* @return how many primaries will move per table
*/
public Map<TableName, Integer> getRegionsMovement(FavoredNodesPlan newPlan)
throws IOException {
Map<TableName, Integer> movesPerTable = new HashMap<TableName, Integer>();
SnapshotOfRegionAssignmentFromMeta snapshot = this.getRegionAssignmentSnapshot();
Map<TableName, List<HRegionInfo>> tableToRegions = snapshot
.getTableToRegionMap();
FavoredNodesPlan oldPlan = snapshot.getExistingAssignmentPlan();
Set<TableName> tables = snapshot.getTableSet();
for (TableName table : tables) {
int movedPrimaries = 0;
if (!this.targetTableSet.isEmpty()
&& !this.targetTableSet.contains(table)) {
continue;
}
List<HRegionInfo> regions = tableToRegions.get(table);
for (HRegionInfo region : regions) {
List<ServerName> oldServers = oldPlan.getFavoredNodes(region);
List<ServerName> newServers = newPlan.getFavoredNodes(region);
if (oldServers != null && newServers != null) {
ServerName oldPrimary = oldServers.get(0);
ServerName newPrimary = newServers.get(0);
if (oldPrimary.compareTo(newPrimary) != 0) {
movedPrimaries++;
}
}
}
movesPerTable.put(table, movedPrimaries);
}
return movesPerTable;
}