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Apache ZooKeeper 3.7.0 Server Source Code
Apache ZooKeeper is an open-source server which enables highly reliable distributed coordination.
Apache ZooKeeper Server Source Code files are provided in the source packge (apache-zookeeper-3.7.0.tar.gz). You can download it at Apache ZooKeeper Website.
You can also browse Apache ZooKeeper Server Source Code below:
✍: FYIcenter.com
⏎ org/apache/zookeeper/metrics/impl/NullMetricsProvider.java
/* * 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.zookeeper.metrics.impl; import java.util.Properties; import java.util.function.BiConsumer; import org.apache.zookeeper.metrics.Counter; import org.apache.zookeeper.metrics.Gauge; import org.apache.zookeeper.metrics.MetricsContext; import org.apache.zookeeper.metrics.MetricsProvider; import org.apache.zookeeper.metrics.MetricsProviderLifeCycleException; import org.apache.zookeeper.metrics.Summary; import org.apache.zookeeper.metrics.SummarySet; /** * This is a dummy MetricsProvider which does nothing. */ public class NullMetricsProvider implements MetricsProvider { /** * Instance of NullMetricsProvider useful for tests. */ public static final MetricsProvider INSTANCE = new NullMetricsProvider(); @Override public void configure(Properties configuration) throws MetricsProviderLifeCycleException { } @Override public void start() throws MetricsProviderLifeCycleException { } @Override public MetricsContext getRootContext() { return NullMetricsContext.INSTANCE; } @Override public void dump(BiConsumer<String, Object> sink) { } @Override public void resetAllValues() { } @Override public void stop() { } public static final class NullMetricsContext implements MetricsContext { public static final NullMetricsContext INSTANCE = new NullMetricsContext(); @Override public MetricsContext getContext(String name) { return INSTANCE; } @Override public Counter getCounter(String name) { return NullCounter.INSTANCE; } @Override public void registerGauge(String name, Gauge gauge) { } @Override public void unregisterGauge(String name) { } @Override public Summary getSummary(String name, DetailLevel detailLevel) { return NullSummary.INSTANCE; } @Override public SummarySet getSummarySet(String name, DetailLevel detailLevel) { return NullSummarySet.INSTANCE; } } private static final class NullCounter implements Counter { private static final NullCounter INSTANCE = new NullCounter(); @Override public void add(long delta) { } @Override public long get() { return 0; } } private static final class NullSummary implements Summary { private static final NullSummary INSTANCE = new NullSummary(); @Override public void add(long value) { } } private static final class NullSummarySet implements SummarySet { private static final NullSummarySet INSTANCE = new NullSummarySet(); @Override public void add(String key, long value) { } } }
⏎ org/apache/zookeeper/metrics/impl/NullMetricsProvider.java
Or download all of them as a single archive file:
File name: zookeeper-server-3.7.0-fyi.zip File size: 871011 bytes Release date: 2021-05-17 Download
⇒ Apache ZooKeeper 3.7.0 Jute Source Code
⇐ Download Apache ZooKeeper 3.7.0 Source Package
2022-11-16, 13725👍, 0💬
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