Categories:
Audio (13)
Biotech (29)
Bytecode (36)
Database (77)
Framework (7)
Game (7)
General (507)
Graphics (53)
I/O (35)
IDE (2)
JAR Tools (101)
JavaBeans (21)
JDBC (121)
JDK (426)
JSP (20)
Logging (108)
Mail (58)
Messaging (8)
Network (84)
PDF (97)
Report (7)
Scripting (84)
Security (32)
Server (121)
Servlet (26)
SOAP (24)
Testing (54)
Web (15)
XML (309)
Collections:
Other Resources:
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/server/ResponseCache.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; import java.util.Collections; import java.util.LinkedHashMap; import java.util.Map; import org.apache.zookeeper.data.Stat; import org.slf4j.Logger; import org.slf4j.LoggerFactory; @SuppressWarnings("serial") public class ResponseCache { private static final Logger LOG = LoggerFactory.getLogger(ResponseCache.class); // Magic number chosen to be "big enough but not too big" public static final int DEFAULT_RESPONSE_CACHE_SIZE = 400; private final int cacheSize; private static class Entry { public Stat stat; public byte[] data; } private final Map<String, Entry> cache; public ResponseCache(int cacheSize, String requestType) { this.cacheSize = cacheSize; cache = Collections.synchronizedMap(new LRUCache<>(cacheSize)); LOG.info("{} response cache size is initialized with value {}.", requestType, cacheSize); } public int getCacheSize() { return cacheSize; } public void put(String path, byte[] data, Stat stat) { Entry entry = new Entry(); entry.data = data; entry.stat = stat; cache.put(path, entry); } public byte[] get(String key, Stat stat) { Entry entry = cache.get(key); if (entry == null) { return null; } if (!stat.equals(entry.stat)) { // The node has been modified, invalidate cache. cache.remove(key); return null; } else { return entry.data; } } public boolean isEnabled() { return cacheSize > 0; } private static class LRUCache<K, V> extends LinkedHashMap<K, V> { private int cacheSize; LRUCache(int cacheSize) { super(cacheSize / 4); this.cacheSize = cacheSize; } protected boolean removeEldestEntry(Map.Entry<K, V> eldest) { return size() >= cacheSize; } } }
⏎ org/apache/zookeeper/server/ResponseCache.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, 24805👍, 0💬
Popular Posts:
JDK 11 jdk.javadoc.jmod is the JMOD file for JDK 11 Java Document tool, which can be invoked by the ...
What Is jaxb-api-2.1.6.jar? Java Architecture for XML Binding (JAXB) is a Java API that allows Java ...
How to read XML document with DTD validation from socket connections with the socket\DelayedInput.ja.. .
What Is mail.jar of JavaMail 1.3? I got the JAR file from javamail-1_3.zip. mail.jar in javamail-1_3...
pache Derby is an open source relational database implemented entirely in Java and available under t...