HBASE-29706: Make CoprocessorDescriptorImpl.equals() and hashCode() r… #7575
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mnpoonia
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...-server/src/test/java/org/apache/hadoop/hbase/master/procedure/TestModifyTableProcedure.java
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@apurtell @virajjasani please review when you get some free cycle. |
Apache9
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Dec 27, 2025
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The title of the PR is different with the title of the jira...
Could someone explain more about what do we actually fix here?
Thanks.
| ) { | ||
| return false; | ||
| } | ||
| return new TreeMap<>(getProperties()).equals(new TreeMap<>(other.getProperties())); |
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I think we could use equals directly here?
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| @Override | ||
| public int hashCode() { | ||
| return Objects.hash(className, jarPath, priority, new TreeMap<>(properties)); |
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Better use Objects.hash to calculate hashCode for fields other than properties, and then use stream.sorted to iterator over properties and calculate hashCode on the fly.
| if ( | ||
| this.unmodifiedTableDescriptor.getCoprocessorDescriptors().hashCode() | ||
| != this.modifiedTableDescriptor.getCoprocessorDescriptors().hashCode() | ||
| !new HashSet<>(this.unmodifiedTableDescriptor.getCoprocessorDescriptors()) |
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This is not on the critial read/write path so maybe this is acceptable, but a better way, is to first check size, and then, create a HashSet for one of the descriptors, and then iterator over the other one, and check whethere the HashSet contains it.
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…obust