本文整理汇总了Java中org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster.SwapRegionsAction类的典型用法代码示例。如果您正苦于以下问题：Java SwapRegionsAction类的具体用法？Java SwapRegionsAction怎么用？Java SwapRegionsAction使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
SwapRegionsAction类属于org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster包，在下文中一共展示了SwapRegionsAction类的3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: getAction
import org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster.SwapRegionsAction; //导入依赖的package包/类
protected Cluster.Action getAction (int fromServer, int fromRegion,
int toServer, int toRegion) {
if (fromServer < 0 || toServer < 0) {
return Cluster.NullAction;
}
if (fromRegion > 0 && toRegion > 0) {
return new Cluster.SwapRegionsAction(fromServer, fromRegion,
toServer, toRegion);
} else if (fromRegion > 0) {
return new Cluster.MoveRegionAction(fromRegion, fromServer, toServer);
} else if (toRegion > 0) {
return new Cluster.MoveRegionAction(toRegion, toServer, fromServer);
} else {
return Cluster.NullAction;
}
}
示例2: postAction
import org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster.SwapRegionsAction; //导入依赖的package包/类
/** Called once per cluster Action to give the cost function
* an opportunity to update it's state. postAction() is always
* called at least once before cost() is called with the cluster
* that this action is performed on. */
void postAction(Action action) {
switch (action.type) {
case NULL: break;
case ASSIGN_REGION:
AssignRegionAction ar = (AssignRegionAction) action;
regionMoved(ar.region, -1, ar.server);
break;
case MOVE_REGION:
MoveRegionAction mra = (MoveRegionAction) action;
regionMoved(mra.region, mra.fromServer, mra.toServer);
break;
case SWAP_REGIONS:
SwapRegionsAction a = (SwapRegionsAction) action;
regionMoved(a.fromRegion, a.fromServer, a.toServer);
regionMoved(a.toRegion, a.toServer, a.fromServer);
break;
default:
throw new RuntimeException("Uknown action:" + action.type);
}
}
示例3: getAction
import org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster.SwapRegionsAction; //导入依赖的package包/类
protected Cluster.Action getAction(int fromServer, int fromRegion,
int toServer, int toRegion) {
if (fromServer < 0 || toServer < 0) {
return Cluster.NullAction;
}
if (fromRegion > 0 && toRegion > 0) {
return new Cluster.SwapRegionsAction(fromServer, fromRegion,
toServer, toRegion);
} else if (fromRegion > 0) {
return new Cluster.MoveRegionAction(fromRegion, fromServer, toServer);
} else if (toRegion > 0) {
return new Cluster.MoveRegionAction(toRegion, toServer, fromServer);
} else {
return Cluster.NullAction;
}
}