Removing each job file immediately after it has been processed. After…

java/src/main/java/ca/uwaterloo/cs489/exercise2/Job.java

@@ -5,6 +5,7 @@
 import java.io.FileNotFoundException;
 import java.io.FileReader;
 import java.io.IOException;
+import java.io.*;
 
 public class Job {
   private File file;
@@ -31,5 +32,28 @@ public int processJob() {
     return rtn;
   }
 
-  public int getInput() { return this.input; }
+  public int getInput() {
+    return this.input;
+  }
+
+  public void deleteFile(Job job) {
+    if (job.delete()) {
+            System.out.println("File deleted successfully");
+        }
+        else {
+            System.out.println("Failed to delete the file");
+        }
+  }
+
+  public void deleteDirectoryRecursion(Path path) throws IOException {
+    if (Files.isDirectory(path, LinkOption.NOFOLLOW_LINKS)) {
+      try (DirectoryStream<Path> entries = Files.newDirectoryStream(path)) {
+        for (Path entry : entries) {
+          deleteDirectoryRecursion(entry);
+        }
+      }
+    }
+    Files.delete(path);
+    System.out.println("Directory deleted");
+  }
 }

java/src/main/java/ca/uwaterloo/cs489/exercise2/MainApp.java

@@ -35,7 +35,11 @@ public static void main(String[] args) {
       for (Path entry : ds) {
         Job job = new Job(entry.toFile());
         logger.info(String.format("Job %d yields %d\n", job.getInput(), job.processJob()));
+        job.deleteFile();
       }
+
+      deleteDirectoryRecursion(dir);
+
     } catch (IOException e) {
       e.printStackTrace();
     }