DanGuge commented on code in PR #2312:
URL:
https://github.com/apache/incubator-hugegraph/pull/2312#discussion_r1328038836
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hugegraph-core/src/main/java/org/apache/hugegraph/util/Consumers.java:
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@@ -43,55 +43,55 @@ public final class Consumers<V> {
public static final int THREADS = 4 + CoreOptions.CPUS / 4;
public static final int QUEUE_WORKER_SIZE = 1000;
public static final long CONSUMER_WAKE_PERIOD = 1;
+ private static final Object QUEUE_END = new VWrapper(null);
Review Comment:
`QUEUE_END` will be put at the end of `BlockingQueue<VWrapper<V>> queue`, so
it will be cast to `VWrapper<V>`.
If we just use `new Object()` instead, we will get the exception below.
<img width="709" alt="image"
src="https://github.com/apache/incubator-hugegraph/assets/77946882/3ea7d102-bfde-4543-9531-c384e7ef5cea";>
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