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Apache ZooKeeper 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 package file, apache-zookeeper-3.8.0.tar.gz.
You can download apache-zookeeper-3.8.0.tar.gz as described in the previous tutorial and go to the "zookeeper-server" sub-folder to view Apache ZooKeeper Server Source Code files.
You can also browse Apache ZooKeeper Server Source Code below:
✍: FYIcenter.com
⏎ org/apache/zookeeper/server/watch/WatchesPathReport.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.server.watch; import java.util.Collections; import java.util.HashMap; import java.util.HashSet; import java.util.Map; import java.util.Set; /** * A watch report, essentially a mapping of path to session IDs of sessions that * have set a watch on that path. This class is immutable. */ public class WatchesPathReport { private final Map<String, Set<Long>> path2Ids; /** * Creates a new report. * * @param path2Ids map of paths to session IDs of sessions that have set a * watch on that path */ WatchesPathReport(Map<String, Set<Long>> path2Ids) { this.path2Ids = Collections.unmodifiableMap(deepCopy(path2Ids)); } private static Map<String, Set<Long>> deepCopy(Map<String, Set<Long>> m) { Map<String, Set<Long>> m2 = new HashMap<String, Set<Long>>(); for (Map.Entry<String, Set<Long>> e : m.entrySet()) { m2.put(e.getKey(), new HashSet<Long>(e.getValue())); } return m2; } /** * Checks if the given path has watches set. * * @param path path * @return true if path has watch set */ public boolean hasSessions(String path) { return path2Ids.containsKey(path); } /** * Gets the session IDs of sessions that have set watches on the given path. * The returned set is immutable. * * @param path session ID * @return session IDs of sessions that have set watches on the path, or * null if none */ public Set<Long> getSessions(String path) { Set<Long> s = path2Ids.get(path); return s != null ? Collections.unmodifiableSet(s) : null; } /** * Converts this report to a map. The returned map is mutable, and changes * to it do not reflect back into this report. * * @return map representation of report */ public Map<String, Set<Long>> toMap() { return deepCopy(path2Ids); } }
⏎ org/apache/zookeeper/server/watch/WatchesPathReport.java
Or download all of them as a single archive file:
File name: zookeeper-server-3.8.0-fyi.zip File size: 885581 bytes Release date: 2022-02-25 Download
⇒ Apache ZooKeeper Jute Source Code
⇐ Download and Install Apache ZooKeeper Source Package
2022-11-16, 13717👍, 0💬
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