bug fixing

src/main/java/com/search/lucene/Lucene.java

@@ -9,6 +9,7 @@ import com.search.lucene.engine.abstractions.ISearchEngine;
 import com.search.lucene.engine.builder.abstractions.IEngineBuilder;
 import com.search.lucene.engine.builder.implementations.LuceneEngineBuilder;
 import com.search.lucene.indexers.implementations.TextFileIndexer;
+import com.search.lucene.performance.Benchmarker;
 import com.search.lucene.searchers.implementations.IndexedDocumentSearcher;
 import com.search.lucene.settings.Constants;
 import org.apache.lucene.document.Document;
@@ -18,10 +19,14 @@ import org.apache.lucene.search.TopDocs;
 
 public class Lucene {
 
-    public static void main(String[] args) throws IOException, ParseException {
+    public static void main(String[] args) throws Exception {
         IEngineBuilder builder = new LuceneEngineBuilder();
         ISearchEngine searchEngine = builder.build();
-        searchEngine.createIndexesForDirectory("data");
+
+        Benchmarker.benchmark(() -> {
+            searchEngine.createIndexesForDirectory("data");
+        });
+
 
         ArrayList<Document> results = searchEngine.search("Julien Leclercq");
         IDocumentRepresenterResolver<String> resolver = new DocumentToStringRepresenterResolver();

src/main/java/com/search/lucene/performance/Benchmarker.java

+package com.search.lucene.performance;
+
+import java.util.concurrent.Callable;
+import java.util.function.Function;
+
+public class Benchmarker {
+
+    public static  <T> T  benchmark(Callable<T> callable) throws Exception {
+        long startTime = System.currentTimeMillis();
+        T t = callable.call();
+        long endTime = System.currentTimeMillis();
+        long time = endTime - startTime;
+        System.out.println("The Function " + callable.getClass().getName() + " takes " + time +" ms");
+        return t;
+    }
+    public static  void benchmark(RunnableTask callable) throws Exception {
+        long startTime = System.currentTimeMillis();
+        callable.run();
+        long endTime = System.currentTimeMillis();
+        long time = endTime - startTime;
+        System.out.println("The Function " + callable.getClass().getName() + " takes " + time +" ms");
+    }
+}

src/main/java/com/search/lucene/performance/RunnableTask.java

+package com.search.lucene.performance;
+
+public interface RunnableTask {
+    void run() throws Exception;
+}