[maven-metric] branch master updated: add utility method

[eo...@apache.org]

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eolivelli pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/maven-metric.git


The following commit(s) were added to refs/heads/master by this push:
     new a5f7a5d  add utility method
a5f7a5d is described below

commit a5f7a5d4f9493b84dfe3d1f4bfa83094b68ba782
Author: Enrico Olivelli <eo...@apache.org>
AuthorDate: Sun May 10 16:28:49 2020 +0200

    add utility method
---
 .../apache/maven/metrics/util/MetricsUtils.java    | 53 ++++++++++++++++++++++
 1 file changed, 53 insertions(+)

diff --git a/maven-metrics-api/src/main/java/org/apache/maven/metrics/util/MetricsUtils.java b/maven-metrics-api/src/main/java/org/apache/maven/metrics/util/MetricsUtils.java
new file mode 100644
index 0000000..8ee663f
--- /dev/null
+++ b/maven-metrics-api/src/main/java/org/apache/maven/metrics/util/MetricsUtils.java
@@ -0,0 +1,53 @@
+package org.apache.maven.metrics.util;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/**
+ * General utility for Metrics
+ *
+ * @author eolivelli
+ */
+public abstract class MetricsUtils
+{
+    private MetricsUtils()
+    {
+
+    }
+
+    /**
+     * Sample current time in milliseconds
+     * @return current time in milliseconds
+     * @see #elapsedMillis(long)
+     */
+    public static long now()
+    {
+        return System.currentTimeMillis();
+    }
+
+    /**
+     * Return the number of elapsed milliseconds since a given timestamp.
+     * @param start the timestamp, supposed to be sampled with {@link #now() }
+     * @return the time in milliseconds
+     */
+    public static long elapsedMillis( long start )
+    {
+        return now() - start;
+    }
+}