vldpyatkov commented on code in PR #3645: URL: https://github.com/apache/ignite-3/pull/3645#discussion_r1584811426
########## modules/metrics/src/main/java/org/apache/ignite/internal/metrics/SimpleMovingAverage.java: ########## @@ -0,0 +1,93 @@ +/* + * 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.ignite.internal.metrics; + +import java.util.concurrent.ConcurrentLinkedDeque; +import java.util.function.DoubleFunction; +import org.jetbrains.annotations.Nullable; + +/** + * The metric calculates the average value for the last several operations. + */ +public class SimpleMovingAverage extends AbstractMetric implements DoubleMetric { + /** Default window size. */ + public static final int DFLT_ITEMS = 100; + + /** Size. */ + private final int items; + + /** Function to format a readable value. */ + private final DoubleFunction<String> stringFormatter; + + /** Elements. */ + ConcurrentLinkedDeque<Double> queue = new ConcurrentLinkedDeque<>(); + + /** + * The constructor. + * + * @param name Name. + * @param desc Description. + * @param stringFormatter String formatter to get a readable value. + */ + public SimpleMovingAverage(String name, @Nullable String desc, @Nullable DoubleFunction<String> stringFormatter) { Review Comment: Fixed. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
