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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/WatchesReport.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 session ID to paths that the session * has set a watch on. This class is immutable. */ public class WatchesReport { private final Map<Long, Set<String>> id2paths; /** * Creates a new report. * * @param id2paths map of session IDs to paths that each session has set * a watch on */ WatchesReport(Map<Long, Set<String>> id2paths) { this.id2paths = Collections.unmodifiableMap(deepCopy(id2paths)); } private static Map<Long, Set<String>> deepCopy(Map<Long, Set<String>> m) { Map<Long, Set<String>> m2 = new HashMap<Long, Set<String>>(); for (Map.Entry<Long, Set<String>> e : m.entrySet()) { m2.put(e.getKey(), new HashSet<String>(e.getValue())); } return m2; } /** * Checks if the given session has watches set. * * @param sessionId session ID * @return true if session has paths with watches set */ public boolean hasPaths(long sessionId) { return id2paths.containsKey(sessionId); } /** * Gets the paths that the given session has set watches on. The returned * set is immutable. * * @param sessionId session ID * @return paths that have watches set by the session, or null if none */ public Set<String> getPaths(long sessionId) { Set<String> s = id2paths.get(sessionId); 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<Long, Set<String>> toMap() { return deepCopy(id2paths); } }
⏎ org/apache/zookeeper/server/watch/WatchesReport.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, 14560👍, 0💬
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