dosubot[bot] commented on issue #610:
URL:
https://github.com/apache/incubator-hugegraph-toolchain/issues/610#issuecomment-2151645971
<!-- Answer -->
To properly create and use the `model.Vertex` in your Go project, you need
to ensure that you import the `model` package correctly. The "undeclared name:
model" compilation error indicates that the `model` package is not recognized
in your current file.
Here is an example of how you can import and use the `model.Vertex` struct:
1. Import the `model` package at the beginning of your Go file.
2. Create an instance of `model.Vertex`.
Assuming your project structure is as follows:
```
your_project/
├── main.go
└── hugegraph-client-go/
└── internal/
└── model/
└── model.go
```
Your `main.go` file should look something like this:
```go
package main
import (
"fmt"
"your_project/hugegraph-client-go/internal/model"
)
func main() {
// Example of creating a Vertex with properties of type
map[string]interface{}
vertex := model.Vertex[map[string]interface{}]{
ID: "1",
Label: "person",
Properties: map[string]interface{}{
"name": "John Doe",
"age": 30,
},
}
fmt.Printf("Vertex: %+v\n", vertex)
}
```
In this example:
- The `model` package is imported using the path relative to your `main.go`
file.
- A `model.Vertex` instance is created with properties of type
`map[string]interface{}`.
Make sure the import path matches the actual location of your `model`
package. Adjust the import path if your project structure is different.
Additionally, if you are using the `hugegraph-client-go` library, you might
need to import the `vertex` package and use its functions to create and
manipulate vertices. Here is an example:
```go
package main
import (
"context"
"fmt"
"github.com/apache/incubator-hugegraph-toolchain/hugegraph-client-go/api"
"github.com/apache/incubator-hugegraph-toolchain/hugegraph-client-go/api/v1/vertex"
"github.com/apache/incubator-hugegraph-toolchain/hugegraph-client-go/internal/model"
)
type Person struct {
Name string `json:"name,omitempty"`
Age uint64 `json:"age,omitempty"`
City string `json:"city,omitempty"`
}
func main() {
transport := api.NewTransport(api.Config{
Graph: "your_graph",
})
vertexClient := vertex.New(transport)
// Create a new vertex
person := Person{
Name: "John Doe",
Age: 30,
City: "New York",
}
createResp, err := vertexClient.Create(
vertexClient.Create.WithContext(context.Background()),
vertexClient.Create.WithVertex(model.Vertex[any]{
Label: "person",
Properties: person,
}),
)
if err != nil {
fmt.Println("Error creating vertex:", err)
return
}
fmt.Printf("Created Vertex: %+v\n", createResp.Data)
}
```
In this example:
- The `vertex` package from the `hugegraph-client-go` library is imported.
- A `vertex.Client` instance is created using the `New` function.
- A new vertex is created using the `Create` method of the `vertex.Client`.
Ensure that you have the correct import paths and that the
`hugegraph-client-go` library is properly installed in your project
<sup>[[1]](https://github.com/apache/incubator-hugegraph-toolchain/blob/master/hugegraph-client-go/internal/model/model.go)</sup><sup>[[2]](https://github.com/apache/incubator-hugegraph-toolchain/blob/master/hugegraph-client-go/api/v1/vertex/vertex.go)</sup><sup>[[3]](https://github.com/apache/incubator-hugegraph-toolchain/blob/master/hugegraph-client-go/api/v1/vertex/vertex_test.go)</sup>.
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