databuild/examples/basic_graph/SumConfigure.java
2025-04-17 21:51:15 -07:00

52 lines
2 KiB
Java

package com.databuild.examples.basic_graph;
import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.module.jsonSchema.JsonSchema;
import com.fasterxml.jackson.module.jsonSchema.JsonSchemaGenerator;
import java.io.File;
import java.util.Arrays;
import java.util.Collections;
/**
* Configure class for generating a random number.
* This class creates a job configuration for generating a random number based on the partition ref.
*/
public class SumConfigure {
public static void main(String[] args) {
if (args.length != 1) {
System.err.println("Error: Must provide exactly one partition ref as an argument");
System.exit(1);
}
String partitionRef = args[0];
String[] upstreams = partitionRef.split("_");
// Create and populate JobConfig object
JobConfig config = new JobConfig();
config.outputs = Collections.singletonList(partitionRef);
config.args = Arrays.asList(upstreams);
// inputs and env are already initialized as empty collections in the constructor
try {
ObjectMapper mapper = new ObjectMapper();
// Load the schema
JsonNode schemaNode = mapper.readTree(new File("../databuild+/databuild.schema.json"));
// Create JSON Schema validator
JsonSchemaGenerator schemaGen = new JsonSchemaGenerator(mapper);
JsonSchema schema = schemaGen.generateSchema(JobConfig.class);
// Convert config to JsonNode and serialize
JsonNode configNode = mapper.valueToTree(config);
String jsonConfig = mapper.writeValueAsString(configNode);
System.out.println(jsonConfig);
} catch (Exception e) {
System.err.println("Error: Failed to validate or serialize config: " + e.getMessage());
System.exit(1);
}
}
}