Make parsing yaml to kotlin objects work

theodolite-quarkus/src/main/kotlin/theodolite/benchmark/BenchmarkYamlParser.kt

 package theodolite.benchmark
 
 import org.yaml.snakeyaml.Yaml
+import org.yaml.snakeyaml.constructor.BaseConstructor
+import org.yaml.snakeyaml.constructor.Constructor
 import java.io.File
 import java.io.FileInputStream
 import java.io.InputStream
 
 
 class BenchmarkYamlParser<T>: Parser<T> {
-    override fun parse(path: String): T {
+    override fun parse(path: String): KubernetesBenchmark? {
         val input: InputStream = FileInputStream(File(path))
-        val parser = Yaml()
-        return parser.load<T>(input)
+        val parser = Yaml(Constructor(KubernetesBenchmark::class.java))
+        return parser.loadAs(input, KubernetesBenchmark::class.java)
     }
 }
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theodolite-quarkus/src/main/kotlin/theodolite/benchmark/Parser.kt

 package theodolite.benchmark
 
 interface Parser<T> {
-    fun parse(path: String): T //Yaml
+    fun parse(path: String): KubernetesBenchmark? //Yaml
 }
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theodolite-quarkus/src/main/kotlin/theodolite/benchmark/TheodoliteYamlExecutor.kt

@@ -2,8 +2,8 @@ package theodolite.benchmark
 
 class TheodoliteYamlExecutor {
     fun run() {
-        val parser = BenchmarkYamlParser<KubernetesBenchmark>()
+        val parser = theodolite.benchmark.BenchmarkYamlParser<KubernetesBenchmark>()
         val benchmark= parser.parse("./../../../resources/main/yaml/test.yaml")
-        System.out.println(benchmark.name)
+        System.out.println(benchmark?.name)
     }
 }
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