<NME> ClassifierFactory.java
<BEF> ADDFILE
<MSG> add interface ClassifierFactory

<DFF> @@ -0,0 +1,17 @@
+package edu.neu.ccs.pyramid.classification;
+
+import edu.neu.ccs.pyramid.dataset.ClfDataSet;
+
+import java.io.File;
+import java.io.IOException;
+
+/**
+ * Created by chengli on 10/4/14.
+ */
+public interface ClassifierFactory {
+    Classifier train(ClfDataSet dataSet, TrainConfig config);
+    Classifier deserialize(File file) throws Exception;
+    default Classifier deserialize(String file) throws Exception{
+        return deserialize(new File(file));
+    }
+}

add interface ClassifierFactory