shaofengshi closed pull request #248: KYLIN-3588, fix potentially duplicate
putting in RemoveBlackoutRealiz…
URL: https://github.com/apache/kylin/pull/248
This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:
As this is a foreign pull request (from a fork), the diff is supplied
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diff --git
a/query/src/main/java/org/apache/kylin/query/routing/rules/RemoveBlackoutRealizationsRule.java
b/query/src/main/java/org/apache/kylin/query/routing/rules/RemoveBlackoutRealizationsRule.java
index c64f6dae73..278bb46452 100644
---
a/query/src/main/java/org/apache/kylin/query/routing/rules/RemoveBlackoutRealizationsRule.java
+++
b/query/src/main/java/org/apache/kylin/query/routing/rules/RemoveBlackoutRealizationsRule.java
@@ -59,13 +59,16 @@ public static boolean accept(IRealization real) {
private static IRealizationFilter getFilterImpl(KylinConfig conf) {
IRealizationFilter filter = filters.get(conf);
if (filter == null) {
- try {
- Class<? extends IRealizationFilter> clz =
ClassUtil.forName(conf.getQueryRealizationFilter(), IRealizationFilter.class);
- filter =
clz.getConstructor(KylinConfig.class).newInstance(conf);
- } catch (Exception e) {
- throw new RuntimeException(e);
+ synchronized (RemoveBlackoutRealizationsRule.class) {
+ try {
+ Class<? extends IRealizationFilter> clz =
ClassUtil.forName(conf.getQueryRealizationFilter(),
+ IRealizationFilter.class);
+ filter =
clz.getConstructor(KylinConfig.class).newInstance(conf);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ filters.put(conf, filter);
}
- filters.put(conf, filter);
}
return filter;
}
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