dosubot[bot] commented on issue #2621:
URL:
https://github.com/apache/incubator-hugegraph/issues/2621#issuecomment-2270772392
<!-- Answer -->
The inconsistency in the property updates on a vertex using
`sourceVertex.property("balancer", balancer)` and subsequent Gremlin queries
can be due to the caching mechanism and the way properties are loaded and
updated in HugeGraph. To ensure that the "balancer" property is reliably
updated and queried, follow these steps:
1. **Update the Property within a Transaction Context**:
Ensure that the property update is committed within a transaction.
```java
GraphTransaction tx = graph.tx();
try {
sourceVertex.property("balancer", balancer);
tx.commit();
} catch (Exception e) {
tx.rollback();
throw e;
}
```
2. **Ensure Properties are Properly Loaded Before Querying**:
Make sure the properties are loaded before performing the query.
```java
sourceVertex.ensureFilledProperties(true);
Iterator<VertexProperty<Object>> properties =
sourceVertex.properties("balancer");
while (properties.hasNext()) {
VertexProperty<Object> property = properties.next();
System.out.println("Balancer: " + property.value());
}
```
By following these steps, you can ensure that the "balancer" property is
reliably updated and queried in HugeGraph
<sup>[[1]](https://github.com/apache/incubator-hugegraph/blob/master/hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/backend/tx/GraphTransaction.java)</sup><sup>[[2]](https://github.com/apache/incubator-hugegraph/blob/master/hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/structure/HugeVertex.java)</sup>.
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