From eaa0a4ede51c5c0aee29deeb3f20dedaaf94404c Mon Sep 17 00:00:00 2001
From: Håkon Hallingstad <hakon.hallingstad@gmail.com>
Date: Tue, 22 Oct 2019 09:02:19 +0200
Subject: Revert "Revert "Add Orchestrator application lock metrics""

---
 .../java/com/yahoo/jdisc/core/SystemTimer.java     |  7 +++++
 .../main/java/com/yahoo/jdisc/test/TestTimer.java  | 31 ++++++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 jdisc_core/src/main/java/com/yahoo/jdisc/test/TestTimer.java

(limited to 'jdisc_core/src')

diff --git a/jdisc_core/src/main/java/com/yahoo/jdisc/core/SystemTimer.java b/jdisc_core/src/main/java/com/yahoo/jdisc/core/SystemTimer.java
index 15e234079b0..40fce9fec54 100644
--- a/jdisc_core/src/main/java/com/yahoo/jdisc/core/SystemTimer.java
+++ b/jdisc_core/src/main/java/com/yahoo/jdisc/core/SystemTimer.java
@@ -3,6 +3,8 @@ package com.yahoo.jdisc.core;
 
 import com.yahoo.jdisc.Timer;
 
+import java.time.Instant;
+
 /**
  * A timer which returns the System time
  *
@@ -14,4 +16,9 @@ public class SystemTimer implements Timer {
     public long currentTimeMillis() {
         return System.currentTimeMillis();
     }
+
+    @Override
+    public Instant currentTime() {
+        return Instant.now();
+    }
 }
diff --git a/jdisc_core/src/main/java/com/yahoo/jdisc/test/TestTimer.java b/jdisc_core/src/main/java/com/yahoo/jdisc/test/TestTimer.java
new file mode 100644
index 00000000000..4d274a33a1f
--- /dev/null
+++ b/jdisc_core/src/main/java/com/yahoo/jdisc/test/TestTimer.java
@@ -0,0 +1,31 @@
+// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.jdisc.test;
+
+import com.yahoo.jdisc.Timer;
+
+import java.time.Duration;
+
+/**
+ * A {@link Timer} to be used in tests when the advancement of time needs to be controlled.
+ *
+ * @author hakonhall
+ */
+public class TestTimer implements Timer {
+    private Duration durationSinceEpoch = Duration.ZERO;
+
+    public void setMillis(long millisSinceEpoch) {
+        durationSinceEpoch = Duration.ofMillis(millisSinceEpoch);
+    }
+
+    public void advanceMillis(long millis) { advance(Duration.ofMillis(millis)); }
+    public void advanceSeconds(long seconds) { advance(Duration.ofSeconds(seconds)); }
+    public void advanceMinutes(long minutes) { advance(Duration.ofMinutes(minutes)); }
+    public void advance(Duration duration) {
+        durationSinceEpoch = durationSinceEpoch.plus(duration);
+    }
+
+    @Override
+    public long currentTimeMillis() {
+        return durationSinceEpoch.toMillis();
+    }
+}
-- 
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