Closed diaohancai closed 4 weeks ago
🤖
你好 @diaohancai, 很高兴再次看到你的贡献。
Based on your feature request, you want to modify the output computation results so that only specific vertices (such as targetId = "abc"
) are outputted, instead of all vertices. This can be achieved by modifying the writeVertex(Vertex vertex)
method in the GraphComputeOutput
interface or the write()
method in the ComputerOutput
class.
Currently, the writeVertex(Vertex vertex)
method writes all vertices to the output. You can add a condition to check if the vertex id is equal to targetId
before writing the vertex to the output. Here's a simple example:
public void writeVertex(Vertex vertex) {
if (vertex.id().equals(targetId)) {
// Write the vertex to the output
}
}
Similarly, in the write()
method of the ComputerOutput
class, you can add a condition to check if the vertex id is equal to targetId
before writing the vertex to the output.
public void write(Vertex vertex) {
if (vertex.id().equals(targetId)) {
// Write the vertex to the output
}
}
Please note that targetId
should be a variable that you can set to specify which vertices to output. Also, you need to ensure that targetId
is in the correct format that can be compared with the vertex id.
This is a simple solution and may need to be adjusted based on your specific requirements and the actual implementation of the GraphComputeOutput
interface and ComputerOutput
class.
For more information, you can refer to the following sources:
I hope this helps! If you have any further questions or need more clarification, feel free to ask.
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Feature Description (功能描述)
Currently, all vertices output computation results. But some scenarios do not require all vertices to output computation results. Such as
Single Source Shortest Path
algorithm, whentargetId = "abc"
, then just output the computation result with the vertex idabc
, no need to output results for other vertices.