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The following commit(s) were added to refs/heads/master by this push: new 86e5b2c STORM-3512 Empty implementation for the MetricStore. (#3152) 86e5b2c is described below commit 86e5b2c514b0f03fe566d95c1c0f695242d1027f Author: tit4 <titovser...@gmail.com> AuthorDate: Fri Jan 24 14:38:13 2020 +0300 STORM-3512 Empty implementation for the MetricStore. (#3152) * STORM-3512 Empty implementation for the MetricStore. Intended to be use in the config to disable monitoring. --- .../apache/storm/metricstore/NoOpMetricStore.java | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/storm-server/src/main/java/org/apache/storm/metricstore/NoOpMetricStore.java b/storm-server/src/main/java/org/apache/storm/metricstore/NoOpMetricStore.java new file mode 100644 index 0000000..c9f67c1 --- /dev/null +++ b/storm-server/src/main/java/org/apache/storm/metricstore/NoOpMetricStore.java @@ -0,0 +1,40 @@ +/** + * 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.storm.metricstore; + +import java.util.Map; +import org.apache.storm.metric.StormMetricsRegistry; + +@SuppressWarnings("unused") +public class NoOpMetricStore implements MetricStore { + + @Override + public void prepare(Map<String, Object> config, StormMetricsRegistry metricsRegistry) {} + + @Override + public void insert(Metric metric) { } + + @Override + public boolean populateValue(Metric metric) { + return true; + } + + @Override + public void close() { } + + @Override + public void scan(FilterOptions filter, ScanCallback scanCallback) { } +} + + + +