Added constructor

flexiprep/src/main/scala/nl/lumc/sasc/biopet/pipelines/flexiprep/SeqtkSeq.scala

-/*
- * To change this license header, choose License Headers in Project Properties.
- * To change this template file, choose Tools | Templates
- * and open the template in the editor.
- */
-
 package nl.lumc.sasc.biopet.pipelines.flexiprep
 
+import java.io.File
 import nl.lumc.sasc.biopet.core.config.Configurable
 import nl.lumc.sasc.biopet.extensions.Ln
 
@@ -36,3 +31,13 @@ class SeqtkSeq(root: Configurable) extends nl.lumc.sasc.biopet.extensions.seqtk.
     }
   }
 }
+
+object SeqtkSeq {
+  def apply(root: Configurable, input:File, output:File, fastqc:Fastqc = null): SeqtkSeq = {
+    val seqtkSeq = new SeqtkSeq(root)
+    seqtkSeq.input = input
+    seqtkSeq.output = output
+    seqtkSeq.fastqc = fastqc
+    return seqtkSeq
+  }
+}
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