Github user cestella commented on a diff in the pull request:
https://github.com/apache/metron/pull/958#discussion_r173942355
--- Diff:
metron-contrib/metron-performance/src/main/java/org/apache/metron/performance/load/monitor/AbstractMonitor.java
---
@@ -0,0 +1,49 @@
+/**
+ * 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.
+ */
+package org.apache.metron.performance.load.monitor;
+
+import java.util.Optional;
+import java.util.function.Supplier;
+
+public abstract class AbstractMonitor implements Supplier<Long>,
MonitorNaming {
+ private static final double EPSILON = 1e-6;
+ protected Optional<?> kafkaTopic;
+ protected long timestampPrevious = 0;
+ public AbstractMonitor(Optional<?> kafkaTopic) {
+ this.kafkaTopic = kafkaTopic;
+ }
+
+ protected abstract Long monitor(double deltaTs);
+
+ @Override
+ public Long get() {
+ long timeStarted = System.currentTimeMillis();
--- End diff --
To my knowledge, `currentTimeMillis()` is not affected by DST as it is the
milliseconds since unix epoch UTC. Cursory googling seems to hold up this
assertion. Did I miss something?
---