Implement re-usable job examples to generate Json

src/main/scala/tapasco/jobs/JobExamples.scala

+package de.tu_darmstadt.cs.esa.tapasco.jobs
+import  de.tu_darmstadt.cs.esa.tapasco.Common
+import  de.tu_darmstadt.cs.esa.tapasco.base._
+import  de.tu_darmstadt.cs.esa.tapasco.dse._
+import  json._
+import  play.api.libs.json._
+import  java.io.FileWriter
+import  java.nio.file._
+
+/** Contains an example for each kind of Tapasco job.
+ *  Can generate examples for their Json syntax in $TAPASCO_HOME/json-examples/jobs
+ *  via the [[dump]] method.
+ */
+object JobExamples {
+  val bulkImportJob = BulkImportJob(Paths.get("some.csv"))
+  val composition = Composition(Paths.get("N/A"),
+                                Some("An optional description."),
+                                Seq[Composition.Entry](Composition.Entry("counter", 42), Composition.Entry("k2", 42)))
+  val composeJob = ComposeJob(composition,
+                              123.0,
+                              "Vivado",
+                              Some(Seq("baseline")),
+                              Some(Seq("pynq", "zedboard")),
+                              None, // FIXME Features missing
+                              Some("r"))
+  val coreStatisticsJob = CoreStatisticsJob(Some("somePrefix_"),
+                                            Some(Seq("baseline")),
+                                            Some(Seq("vc709", "zc706")))
+  val dseJob = DesignSpaceExplorationJob(composition,
+                                         123.0,
+                                         DesignSpace.Dimensions(true, true, false),
+                                         Heuristics.ThroughputHeuristic,
+                                         16,
+                                         Some(Paths.get("nonstandard/base/path")),
+                                         Some(Seq("baseline")),
+                                         Some(Seq("pynq", "vc709")),
+                                         None, // FIXME Features missing
+                                         Some("r"))
+  val hlsJob = HighLevelSynthesisJob("VivadoHLS",
+                                     Some(Seq("baseline")),
+                                     Some(Seq("zedboard", "zc706")),
+                                     Some(Seq("counter", "arraysum")))
+  val importJob = ImportJob(Paths.get("path/to/ipxact-archive.zip"),
+                            42,
+                            Some("Optional description of the core."),
+                            Some(13124425),
+                            Some(Seq("baseline")),
+                            Some(Seq("zedboard", "zc706")))
+
+  val jobs: Seq[Job] = Seq(bulkImportJob, composeJob, coreStatisticsJob, dseJob, hlsJob, importJob)
+
+  /** Dumps examples into separate files in json-examples/jobs. */
+  def dump {
+    val fn = Common.homeDir.resolve("json-examples").resolve("jobs").resolve("Jobs.json")
+    Files.createDirectories(fn.getParent)
+    val fw = new FileWriter(fn.toString)
+    fw.append(Json.prettyPrint(Json.toJson(jobs)))
+    fw.close()
+    jobs foreach { j =>
+      val jfn = fn.resolveSibling("%s.json".format(j.getClass.getSimpleName))
+      val fw = new FileWriter(jfn.toString)
+      fw.append(Json.prettyPrint(Json.toJson(j)))
+      fw.close()
+    }
+  }
+}