SkrDrag commented on issue #2539:
URL:
https://github.com/apache/incubator-hugegraph/issues/2539#issuecomment-2134467739
> > Thank you for your question. Please keep the issue **title** in
**English** at least and maintain the basic `[Question] xxx` format. Thank you
for your understanding
>
> To access the properties of edges and vertices after obtaining an edge
iterator with `Iterator<Edge> edges = edgesOfVertex(source, dir, label,
degree);`, follow these steps:
>
> 1. **Edge Attributes:**
>
> * To set a property, use `edge.property("key", "value");` where `"key"`
is the property name and `"value"` is the property value.
> * To get a property, if there's a method to access properties, use it
to retrieve the value by the property name, e.g., `String value = (String)
edge.properties().get("propertyName");`.
> 2. **Vertex Attributes:**
>
> * Accessing vertex attributes directly from an edge requires you to
first get the vertex object. The edge object provides methods like `sourceId()`
and `targetId()` to get vertex identifiers, but to access vertex properties,
you'll need to use the vertex object itself, which is not detailed in your
snippet.
> 3. **Attribute Types:**
>
> * Attributes can be of any type, not just `String`. When you set or get
a property, it's treated as an `Object`. Ensure to cast it to the correct type
when retrieving.
>
> This approach assumes you're working with the HugeGraph toolchain. For
specific implementations or methods to access properties directly, refer to the
documentation or source code of the HugeGraph client library you're using.
>
> #### Details
> **Sources**
>
> *
[hugegraph-client/src/main/java/org/apache/hugegraph/structure/graph/Edge.java](https://github.com/apache/incubator-hugegraph-toolchain/blob/master/hugegraph-client/src/main/java/org/apache/hugegraph/structure/graph/Edge.java)
> *
[hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/structure/HugeEdge.java](https://github.com/apache/incubator-hugegraph/blob/master/hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/structure/HugeEdge.java)
> *
[hugegraph-client/src/main/java/org/apache/hugegraph/structure/graph/Graph.java](https://github.com/apache/incubator-hugegraph-toolchain/blob/master/hugegraph-client/src/main/java/org/apache/hugegraph/structure/graph/Graph.java)
> *
[hugegraph-client/src/main/java/org/apache/hugegraph/example/BatchExample.java](https://github.com/apache/incubator-hugegraph-toolchain/blob/master/hugegraph-client/src/main/java/org/apache/hugegraph/example/BatchExample.java)
> *
[content/en/docs/language/hugegraph-example.md](https://github.com/apache/incubator-hugegraph-doc/blob/master/content/en/docs/language/hugegraph-example.md)
> *
[hugegraph-client/src/main/java/org/apache/hugegraph/example/SingleExample.java](https://github.com/apache/incubator-hugegraph-toolchain/blob/master/hugegraph-client/src/main/java/org/apache/hugegraph/example/SingleExample.java)
> *
[content/en/docs/quickstart/hugegraph-client.md](https://github.com/apache/incubator-hugegraph-doc/blob/master/content/en/docs/quickstart/hugegraph-client.md)
> *
[hugegraph-server/hugegraph-example/src/main/java/org/apache/hugegraph/example/Example1.java](https://github.com/apache/incubator-hugegraph/blob/master/hugegraph-server/hugegraph-example/src/main/java/org/apache/hugegraph/example/Example1.java)
> *
[hugegraph-client/src/main/java/org/apache/hugegraph/structure/graph/Vertex.java](https://github.com/apache/incubator-hugegraph-toolchain/blob/master/hugegraph-client/src/main/java/org/apache/hugegraph/structure/graph/Vertex.java)
> *
[hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/structure/HugeVertex.java](https://github.com/apache/incubator-hugegraph/blob/master/hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/structure/HugeVertex.java)
> *
[hugegraph-hubble/hubble-be/src/main/java/org/apache/hugegraph/service/schema/PropertyKeyService.java](https://github.com/apache/incubator-hugegraph-toolchain/blob/master/hugegraph-hubble/hubble-be/src/main/java/org/apache/hugegraph/service/schema/PropertyKeyService.java)
>
>
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>
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根据点Id是否能够同时查到点的邻边和另一端顶点的属性
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