1 files changed, 16 insertions, 0 deletions

diff --git a/src/main/java/fr/umlv/java/wallj/viewer/StopWatch.java b/src/main/java/fr/umlv/java/wallj/viewer/StopWatch.java
new file mode 100644
index 0000000..55f0440
--- /dev/null
+++ b/src/main/java/fr/umlv/java/wallj/viewer/StopWatch.java
@@ -0,0 +1,16 @@
+package fr.umlv.java.wallj.viewer;
+
+import java.time.Duration;
+
+/**
+ * A stopwatch that reports the elapsed time since its creation.
+ *
+ * @author Pacien TRAN-GIRARD
+ */
+public class StopWatch {
+  private long startTime = System.currentTimeMillis();
+
+  public Duration peek() {
+    return Duration.ofMillis(System.currentTimeMillis() - startTime);
+  }
+}