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HBASE-25776 Use Class.asSubclass to fix the warning in StochasticLoadBalancer.loadCustomCostFunctions (#3163)

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Signed-off-by: Duo Zhang <zhangduo@apache.org>
Signed-off-by: Viraj Jasani <vjasani@apache.org>
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xiaoyu 2021-04-16 02:04:06 +08:00 committed by Viraj Jasani
parent 69e93c8137
commit 22fd7d7f10
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1 changed files with 1 additions and 1 deletions
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hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java
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@ -247,7 +247,7 @@ public class StochasticLoadBalancer extends BaseLoadBalancer {
costFunctions.addAll(Arrays.stream(functionsNames).map(c -> { costFunctions.addAll(Arrays.stream(functionsNames).map(c -> {
Class<? extends CostFunction> klass = null; Class<? extends CostFunction> klass = null;
try { try {
klass = (Class<? extends CostFunction>) Class.forName(c); klass = Class.forName(c).asSubclass(CostFunction.class);
} catch (ClassNotFoundException e) { } catch (ClassNotFoundException e) {
LOG.warn("Cannot load class " + c + "': " + e.getMessage()); LOG.warn("Cannot load class " + c + "': " + e.getMessage());
} }