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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import java.io.Serializable;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.util.ArrayList;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.util.Iterator;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.List;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.Locale;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.regex.Pattern;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.net.Address;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.util.Addressing;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">030</span><span id="line-30"></span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hbase.thirdparty.com.google.common.base.Splitter;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hbase.thirdparty.com.google.common.collect.Interner;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hbase.thirdparty.com.google.common.collect.Interners;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hbase.thirdparty.com.google.common.net.InetAddresses;</span> |
| <span class="source-line-no">035</span><span id="line-35"></span> |
| <span class="source-line-no">036</span><span id="line-36">/**</span> |
| <span class="source-line-no">037</span><span id="line-37"> * Name of a particular incarnation of an HBase Server. A {@link ServerName} is used uniquely</span> |
| <span class="source-line-no">038</span><span id="line-38"> * identifying a server instance in a cluster and is made of the combination of hostname, port, and</span> |
| <span class="source-line-no">039</span><span id="line-39"> * startcode. The startcode distinguishes restarted servers on same hostname and port (startcode is</span> |
| <span class="source-line-no">040</span><span id="line-40"> * usually timestamp of server startup). The {@link #toString()} format of ServerName is safe to use</span> |
| <span class="source-line-no">041</span><span id="line-41"> * in the filesystem and as znode name up in ZooKeeper. Its format is:</span> |
| <span class="source-line-no">042</span><span id="line-42"> * <code>&lt;hostname&gt; '{@link #SERVERNAME_SEPARATOR}' &lt;port&gt;</span> |
| <span class="source-line-no">043</span><span id="line-43"> * '{@link #SERVERNAME_SEPARATOR}' &lt;startcode&gt;</code>. For example, if hostname is</span> |
| <span class="source-line-no">044</span><span id="line-44"> * <code>www.example.org</code>, port is <code>1234</code>, and the startcode for the regionserver</span> |
| <span class="source-line-no">045</span><span id="line-45"> * is <code>1212121212</code>, then the {@link #toString()} would be</span> |
| <span class="source-line-no">046</span><span id="line-46"> * <code>www.example.org,1234,1212121212</code>.</span> |
| <span class="source-line-no">047</span><span id="line-47"> * <p></span> |
| <span class="source-line-no">048</span><span id="line-48"> * You can obtain a versioned serialized form of this class by calling {@link #getVersionedBytes()}.</span> |
| <span class="source-line-no">049</span><span id="line-49"> * To deserialize, call {@link #parseVersionedServerName(byte[])}.</span> |
| <span class="source-line-no">050</span><span id="line-50"> * <p></span> |
| <span class="source-line-no">051</span><span id="line-51"> * Use {@link #getAddress()} to obtain the Server hostname + port (Endpoint/Socket Address).</span> |
| <span class="source-line-no">052</span><span id="line-52"> * <p></span> |
| <span class="source-line-no">053</span><span id="line-53"> * Immutable.</span> |
| <span class="source-line-no">054</span><span id="line-54"> */</span> |
| <span class="source-line-no">055</span><span id="line-55">@InterfaceAudience.Public</span> |
| <span class="source-line-no">056</span><span id="line-56">public class ServerName implements Comparable<ServerName>, Serializable {</span> |
| <span class="source-line-no">057</span><span id="line-57"> private static final long serialVersionUID = 1367463982557264981L;</span> |
| <span class="source-line-no">058</span><span id="line-58"></span> |
| <span class="source-line-no">059</span><span id="line-59"> /**</span> |
| <span class="source-line-no">060</span><span id="line-60"> * Version for this class. Its a short rather than a byte so I can for sure distinguish between</span> |
| <span class="source-line-no">061</span><span id="line-61"> * this version of this class and the version previous to this which did not have a version.</span> |
| <span class="source-line-no">062</span><span id="line-62"> */</span> |
| <span class="source-line-no">063</span><span id="line-63"> private static final short VERSION = 0;</span> |
| <span class="source-line-no">064</span><span id="line-64"> static final byte[] VERSION_BYTES = Bytes.toBytes(VERSION);</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> /**</span> |
| <span class="source-line-no">067</span><span id="line-67"> * What to use if no startcode supplied.</span> |
| <span class="source-line-no">068</span><span id="line-68"> */</span> |
| <span class="source-line-no">069</span><span id="line-69"> public static final int NON_STARTCODE = -1;</span> |
| <span class="source-line-no">070</span><span id="line-70"></span> |
| <span class="source-line-no">071</span><span id="line-71"> /**</span> |
| <span class="source-line-no">072</span><span id="line-72"> * This character is used as separator between server hostname, port and startcode.</span> |
| <span class="source-line-no">073</span><span id="line-73"> */</span> |
| <span class="source-line-no">074</span><span id="line-74"> public static final String SERVERNAME_SEPARATOR = ",";</span> |
| <span class="source-line-no">075</span><span id="line-75"></span> |
| <span class="source-line-no">076</span><span id="line-76"> public static final Pattern SERVERNAME_PATTERN =</span> |
| <span class="source-line-no">077</span><span id="line-77"> Pattern.compile("[^" + SERVERNAME_SEPARATOR + "]+" + SERVERNAME_SEPARATOR</span> |
| <span class="source-line-no">078</span><span id="line-78"> + Addressing.VALID_PORT_REGEX + SERVERNAME_SEPARATOR + Addressing.VALID_PORT_REGEX + "$");</span> |
| <span class="source-line-no">079</span><span id="line-79"></span> |
| <span class="source-line-no">080</span><span id="line-80"> /**</span> |
| <span class="source-line-no">081</span><span id="line-81"> * What to use if server name is unknown.</span> |
| <span class="source-line-no">082</span><span id="line-82"> */</span> |
| <span class="source-line-no">083</span><span id="line-83"> public static final String UNKNOWN_SERVERNAME = "#unknown#";</span> |
| <span class="source-line-no">084</span><span id="line-84"></span> |
| <span class="source-line-no">085</span><span id="line-85"> private final String serverName;</span> |
| <span class="source-line-no">086</span><span id="line-86"> private final long startCode;</span> |
| <span class="source-line-no">087</span><span id="line-87"> private transient Address address;</span> |
| <span class="source-line-no">088</span><span id="line-88"></span> |
| <span class="source-line-no">089</span><span id="line-89"> /**</span> |
| <span class="source-line-no">090</span><span id="line-90"> * Cached versioned bytes of this ServerName instance.</span> |
| <span class="source-line-no">091</span><span id="line-91"> * @see #getVersionedBytes()</span> |
| <span class="source-line-no">092</span><span id="line-92"> */</span> |
| <span class="source-line-no">093</span><span id="line-93"> private byte[] bytes;</span> |
| <span class="source-line-no">094</span><span id="line-94"> public static final List<ServerName> EMPTY_SERVER_LIST = new ArrayList<>(0);</span> |
| <span class="source-line-no">095</span><span id="line-95"></span> |
| <span class="source-line-no">096</span><span id="line-96"> /**</span> |
| <span class="source-line-no">097</span><span id="line-97"> * Intern ServerNames. The Set of ServerNames is mostly-fixed changing slowly as Servers restart.</span> |
| <span class="source-line-no">098</span><span id="line-98"> * Rather than create a new instance everytime, try and return existing instance if there is one.</span> |
| <span class="source-line-no">099</span><span id="line-99"> */</span> |
| <span class="source-line-no">100</span><span id="line-100"> private static final Interner<ServerName> INTERN_POOL = Interners.newWeakInterner();</span> |
| <span class="source-line-no">101</span><span id="line-101"></span> |
| <span class="source-line-no">102</span><span id="line-102"> protected ServerName(final String hostname, final int port, final long startCode) {</span> |
| <span class="source-line-no">103</span><span id="line-103"> this(Address.fromParts(hostname, port), startCode);</span> |
| <span class="source-line-no">104</span><span id="line-104"> }</span> |
| <span class="source-line-no">105</span><span id="line-105"></span> |
| <span class="source-line-no">106</span><span id="line-106"> private ServerName(final Address address, final long startCode) {</span> |
| <span class="source-line-no">107</span><span id="line-107"> // Use HostAndPort to host port and hostname. Does validation and can do ipv6</span> |
| <span class="source-line-no">108</span><span id="line-108"> this.address = address;</span> |
| <span class="source-line-no">109</span><span id="line-109"> this.startCode = startCode;</span> |
| <span class="source-line-no">110</span><span id="line-110"> this.serverName = getServerName(this.address.getHostname(), this.address.getPort(), startCode);</span> |
| <span class="source-line-no">111</span><span id="line-111"> }</span> |
| <span class="source-line-no">112</span><span id="line-112"></span> |
| <span class="source-line-no">113</span><span id="line-113"> private ServerName(final String hostAndPort, final long startCode) {</span> |
| <span class="source-line-no">114</span><span id="line-114"> this(Address.fromString(hostAndPort), startCode);</span> |
| <span class="source-line-no">115</span><span id="line-115"> }</span> |
| <span class="source-line-no">116</span><span id="line-116"></span> |
| <span class="source-line-no">117</span><span id="line-117"> /**</span> |
| <span class="source-line-no">118</span><span id="line-118"> * @param hostname the hostname string to get the actual hostname from</span> |
| <span class="source-line-no">119</span><span id="line-119"> * @return hostname minus the domain, if there is one (will do pass-through on ip addresses)</span> |
| <span class="source-line-no">120</span><span id="line-120"> */</span> |
| <span class="source-line-no">121</span><span id="line-121"> private static String getHostNameMinusDomain(final String hostname) {</span> |
| <span class="source-line-no">122</span><span id="line-122"> if (InetAddresses.isInetAddress(hostname)) {</span> |
| <span class="source-line-no">123</span><span id="line-123"> return hostname;</span> |
| <span class="source-line-no">124</span><span id="line-124"> }</span> |
| <span class="source-line-no">125</span><span id="line-125"> List<String> parts = Splitter.on('.').splitToList(hostname);</span> |
| <span class="source-line-no">126</span><span id="line-126"> if (parts.size() == 0) {</span> |
| <span class="source-line-no">127</span><span id="line-127"> return hostname;</span> |
| <span class="source-line-no">128</span><span id="line-128"> }</span> |
| <span class="source-line-no">129</span><span id="line-129"> Iterator<String> i = parts.iterator();</span> |
| <span class="source-line-no">130</span><span id="line-130"> return i.next();</span> |
| <span class="source-line-no">131</span><span id="line-131"> }</span> |
| <span class="source-line-no">132</span><span id="line-132"></span> |
| <span class="source-line-no">133</span><span id="line-133"> /**</span> |
| <span class="source-line-no">134</span><span id="line-134"> * Retrieve an instance of ServerName. Callers should use the equals method to compare returned</span> |
| <span class="source-line-no">135</span><span id="line-135"> * instances, though we may return a shared immutable object as an internal optimization.</span> |
| <span class="source-line-no">136</span><span id="line-136"> */</span> |
| <span class="source-line-no">137</span><span id="line-137"> public static ServerName valueOf(final String hostname, final int port, final long startCode) {</span> |
| <span class="source-line-no">138</span><span id="line-138"> return INTERN_POOL.intern(new ServerName(hostname, port, startCode));</span> |
| <span class="source-line-no">139</span><span id="line-139"> }</span> |
| <span class="source-line-no">140</span><span id="line-140"></span> |
| <span class="source-line-no">141</span><span id="line-141"> /**</span> |
| <span class="source-line-no">142</span><span id="line-142"> * Retrieve an instance of ServerName. Callers should use the equals method to compare returned</span> |
| <span class="source-line-no">143</span><span id="line-143"> * instances, though we may return a shared immutable object as an internal optimization.</span> |
| <span class="source-line-no">144</span><span id="line-144"> */</span> |
| <span class="source-line-no">145</span><span id="line-145"> public static ServerName valueOf(final String serverName) {</span> |
| <span class="source-line-no">146</span><span id="line-146"> int firstSep = serverName.indexOf(SERVERNAME_SEPARATOR);</span> |
| <span class="source-line-no">147</span><span id="line-147"> int lastSep = serverName.lastIndexOf(SERVERNAME_SEPARATOR);</span> |
| <span class="source-line-no">148</span><span id="line-148"> String hostname = serverName.substring(0, firstSep);</span> |
| <span class="source-line-no">149</span><span id="line-149"> int port = Integer.parseInt(serverName.substring(firstSep + 1, lastSep));</span> |
| <span class="source-line-no">150</span><span id="line-150"> long startCode = Long.parseLong(serverName.substring(lastSep + 1));</span> |
| <span class="source-line-no">151</span><span id="line-151"> return valueOf(hostname, port, startCode);</span> |
| <span class="source-line-no">152</span><span id="line-152"> }</span> |
| <span class="source-line-no">153</span><span id="line-153"></span> |
| <span class="source-line-no">154</span><span id="line-154"> /**</span> |
| <span class="source-line-no">155</span><span id="line-155"> * Retrieve an instance of ServerName. Callers should use the equals method to compare returned</span> |
| <span class="source-line-no">156</span><span id="line-156"> * instances, though we may return a shared immutable object as an internal optimization.</span> |
| <span class="source-line-no">157</span><span id="line-157"> */</span> |
| <span class="source-line-no">158</span><span id="line-158"> public static ServerName valueOf(final String hostAndPort, final long startCode) {</span> |
| <span class="source-line-no">159</span><span id="line-159"> return INTERN_POOL.intern(new ServerName(hostAndPort, startCode));</span> |
| <span class="source-line-no">160</span><span id="line-160"> }</span> |
| <span class="source-line-no">161</span><span id="line-161"></span> |
| <span class="source-line-no">162</span><span id="line-162"> /**</span> |
| <span class="source-line-no">163</span><span id="line-163"> * Retrieve an instance of {@link ServerName}. Callers should use the {@link #equals(Object)}</span> |
| <span class="source-line-no">164</span><span id="line-164"> * method to compare returned instances, though we may return a shared immutable object as an</span> |
| <span class="source-line-no">165</span><span id="line-165"> * internal optimization.</span> |
| <span class="source-line-no">166</span><span id="line-166"> * @param address the {@link Address} to use for getting the {@link ServerName}</span> |
| <span class="source-line-no">167</span><span id="line-167"> * @param startCode the startcode to use for getting the {@link ServerName}</span> |
| <span class="source-line-no">168</span><span id="line-168"> * @return the constructed {@link ServerName}</span> |
| <span class="source-line-no">169</span><span id="line-169"> * @see #valueOf(String, int, long)</span> |
| <span class="source-line-no">170</span><span id="line-170"> */</span> |
| <span class="source-line-no">171</span><span id="line-171"> public static ServerName valueOf(final Address address, final long startCode) {</span> |
| <span class="source-line-no">172</span><span id="line-172"> return valueOf(address.getHostname(), address.getPort(), startCode);</span> |
| <span class="source-line-no">173</span><span id="line-173"> }</span> |
| <span class="source-line-no">174</span><span id="line-174"></span> |
| <span class="source-line-no">175</span><span id="line-175"> @Override</span> |
| <span class="source-line-no">176</span><span id="line-176"> public String toString() {</span> |
| <span class="source-line-no">177</span><span id="line-177"> return getServerName();</span> |
| <span class="source-line-no">178</span><span id="line-178"> }</span> |
| <span class="source-line-no">179</span><span id="line-179"></span> |
| <span class="source-line-no">180</span><span id="line-180"> /**</span> |
| <span class="source-line-no">181</span><span id="line-181"> * Return a SHORT version of {@link #toString()}, one that has the host only, minus the domain,</span> |
| <span class="source-line-no">182</span><span id="line-182"> * and the port only -- no start code; the String is for us internally mostly tying threads to</span> |
| <span class="source-line-no">183</span><span id="line-183"> * their server. Not for external use. It is lossy and will not work in in compares, etc.</span> |
| <span class="source-line-no">184</span><span id="line-184"> */</span> |
| <span class="source-line-no">185</span><span id="line-185"> public String toShortString() {</span> |
| <span class="source-line-no">186</span><span id="line-186"> return Addressing.createHostAndPortStr(getHostNameMinusDomain(this.address.getHostname()),</span> |
| <span class="source-line-no">187</span><span id="line-187"> this.address.getPort());</span> |
| <span class="source-line-no">188</span><span id="line-188"> }</span> |
| <span class="source-line-no">189</span><span id="line-189"></span> |
| <span class="source-line-no">190</span><span id="line-190"> /**</span> |
| <span class="source-line-no">191</span><span id="line-191"> * Return {@link #getServerName()} as bytes with a short-sized prefix with the {@link #VERSION} of</span> |
| <span class="source-line-no">192</span><span id="line-192"> * this class.</span> |
| <span class="source-line-no">193</span><span id="line-193"> */</span> |
| <span class="source-line-no">194</span><span id="line-194"> public synchronized byte[] getVersionedBytes() {</span> |
| <span class="source-line-no">195</span><span id="line-195"> if (this.bytes == null) {</span> |
| <span class="source-line-no">196</span><span id="line-196"> this.bytes = Bytes.add(VERSION_BYTES, Bytes.toBytes(getServerName()));</span> |
| <span class="source-line-no">197</span><span id="line-197"> }</span> |
| <span class="source-line-no">198</span><span id="line-198"> return this.bytes;</span> |
| <span class="source-line-no">199</span><span id="line-199"> }</span> |
| <span class="source-line-no">200</span><span id="line-200"></span> |
| <span class="source-line-no">201</span><span id="line-201"> public String getServerName() {</span> |
| <span class="source-line-no">202</span><span id="line-202"> return serverName;</span> |
| <span class="source-line-no">203</span><span id="line-203"> }</span> |
| <span class="source-line-no">204</span><span id="line-204"></span> |
| <span class="source-line-no">205</span><span id="line-205"> public String getHostname() {</span> |
| <span class="source-line-no">206</span><span id="line-206"> return this.address.getHostname();</span> |
| <span class="source-line-no">207</span><span id="line-207"> }</span> |
| <span class="source-line-no">208</span><span id="line-208"></span> |
| <span class="source-line-no">209</span><span id="line-209"> public String getHostnameLowerCase() {</span> |
| <span class="source-line-no">210</span><span id="line-210"> return this.address.getHostname().toLowerCase(Locale.ROOT);</span> |
| <span class="source-line-no">211</span><span id="line-211"> }</span> |
| <span class="source-line-no">212</span><span id="line-212"></span> |
| <span class="source-line-no">213</span><span id="line-213"> public int getPort() {</span> |
| <span class="source-line-no">214</span><span id="line-214"> return this.address.getPort();</span> |
| <span class="source-line-no">215</span><span id="line-215"> }</span> |
| <span class="source-line-no">216</span><span id="line-216"></span> |
| <span class="source-line-no">217</span><span id="line-217"> /**</span> |
| <span class="source-line-no">218</span><span id="line-218"> * Return the start code.</span> |
| <span class="source-line-no">219</span><span id="line-219"> * @deprecated Since 2.5.0, will be removed in 4.0.0. Use {@link #getStartCode()} instead.</span> |
| <span class="source-line-no">220</span><span id="line-220"> */</span> |
| <span class="source-line-no">221</span><span id="line-221"> @Deprecated</span> |
| <span class="source-line-no">222</span><span id="line-222"> public long getStartcode() {</span> |
| <span class="source-line-no">223</span><span id="line-223"> return startCode;</span> |
| <span class="source-line-no">224</span><span id="line-224"> }</span> |
| <span class="source-line-no">225</span><span id="line-225"></span> |
| <span class="source-line-no">226</span><span id="line-226"> /** Return the start code. */</span> |
| <span class="source-line-no">227</span><span id="line-227"> public long getStartCode() {</span> |
| <span class="source-line-no">228</span><span id="line-228"> return startCode;</span> |
| <span class="source-line-no">229</span><span id="line-229"> }</span> |
| <span class="source-line-no">230</span><span id="line-230"></span> |
| <span class="source-line-no">231</span><span id="line-231"> /**</span> |
| <span class="source-line-no">232</span><span id="line-232"> * For internal use only.</span> |
| <span class="source-line-no">233</span><span id="line-233"> * @param hostName the name of the host to use</span> |
| <span class="source-line-no">234</span><span id="line-234"> * @param port the port on the host to use</span> |
| <span class="source-line-no">235</span><span id="line-235"> * @param startCode the startcode to use for formatting</span> |
| <span class="source-line-no">236</span><span id="line-236"> * @return Server name made of the concatenation of hostname, port and startcode formatted as</span> |
| <span class="source-line-no">237</span><span id="line-237"> * <code>&lt;hostname&gt; ',' &lt;port&gt; ',' &lt;startcode&gt;</code></span> |
| <span class="source-line-no">238</span><span id="line-238"> */</span> |
| <span class="source-line-no">239</span><span id="line-239"> private static String getServerName(String hostName, int port, long startCode) {</span> |
| <span class="source-line-no">240</span><span id="line-240"> return hostName.toLowerCase(Locale.ROOT) + SERVERNAME_SEPARATOR + port + SERVERNAME_SEPARATOR</span> |
| <span class="source-line-no">241</span><span id="line-241"> + startCode;</span> |
| <span class="source-line-no">242</span><span id="line-242"> }</span> |
| <span class="source-line-no">243</span><span id="line-243"></span> |
| <span class="source-line-no">244</span><span id="line-244"> public Address getAddress() {</span> |
| <span class="source-line-no">245</span><span id="line-245"> return this.address;</span> |
| <span class="source-line-no">246</span><span id="line-246"> }</span> |
| <span class="source-line-no">247</span><span id="line-247"></span> |
| <span class="source-line-no">248</span><span id="line-248"> @Override</span> |
| <span class="source-line-no">249</span><span id="line-249"> public int compareTo(ServerName other) {</span> |
| <span class="source-line-no">250</span><span id="line-250"> int compare;</span> |
| <span class="source-line-no">251</span><span id="line-251"> if (other == null) {</span> |
| <span class="source-line-no">252</span><span id="line-252"> return -1;</span> |
| <span class="source-line-no">253</span><span id="line-253"> }</span> |
| <span class="source-line-no">254</span><span id="line-254"> if (this.getHostname() == null) {</span> |
| <span class="source-line-no">255</span><span id="line-255"> if (other.getHostname() != null) {</span> |
| <span class="source-line-no">256</span><span id="line-256"> return 1;</span> |
| <span class="source-line-no">257</span><span id="line-257"> }</span> |
| <span class="source-line-no">258</span><span id="line-258"> } else {</span> |
| <span class="source-line-no">259</span><span id="line-259"> if (other.getHostname() == null) {</span> |
| <span class="source-line-no">260</span><span id="line-260"> return -1;</span> |
| <span class="source-line-no">261</span><span id="line-261"> }</span> |
| <span class="source-line-no">262</span><span id="line-262"> compare = this.getHostname().compareToIgnoreCase(other.getHostname());</span> |
| <span class="source-line-no">263</span><span id="line-263"> if (compare != 0) {</span> |
| <span class="source-line-no">264</span><span id="line-264"> return compare;</span> |
| <span class="source-line-no">265</span><span id="line-265"> }</span> |
| <span class="source-line-no">266</span><span id="line-266"> }</span> |
| <span class="source-line-no">267</span><span id="line-267"> compare = this.getPort() - other.getPort();</span> |
| <span class="source-line-no">268</span><span id="line-268"> if (compare != 0) {</span> |
| <span class="source-line-no">269</span><span id="line-269"> return compare;</span> |
| <span class="source-line-no">270</span><span id="line-270"> }</span> |
| <span class="source-line-no">271</span><span id="line-271"> return Long.compare(this.getStartCode(), other.getStartCode());</span> |
| <span class="source-line-no">272</span><span id="line-272"> }</span> |
| <span class="source-line-no">273</span><span id="line-273"></span> |
| <span class="source-line-no">274</span><span id="line-274"> @Override</span> |
| <span class="source-line-no">275</span><span id="line-275"> public int hashCode() {</span> |
| <span class="source-line-no">276</span><span id="line-276"> return getServerName().hashCode();</span> |
| <span class="source-line-no">277</span><span id="line-277"> }</span> |
| <span class="source-line-no">278</span><span id="line-278"></span> |
| <span class="source-line-no">279</span><span id="line-279"> @Override</span> |
| <span class="source-line-no">280</span><span id="line-280"> public boolean equals(Object o) {</span> |
| <span class="source-line-no">281</span><span id="line-281"> if (this == o) {</span> |
| <span class="source-line-no">282</span><span id="line-282"> return true;</span> |
| <span class="source-line-no">283</span><span id="line-283"> }</span> |
| <span class="source-line-no">284</span><span id="line-284"> if (o == null) {</span> |
| <span class="source-line-no">285</span><span id="line-285"> return false;</span> |
| <span class="source-line-no">286</span><span id="line-286"> }</span> |
| <span class="source-line-no">287</span><span id="line-287"> if (!(o instanceof ServerName)) {</span> |
| <span class="source-line-no">288</span><span id="line-288"> return false;</span> |
| <span class="source-line-no">289</span><span id="line-289"> }</span> |
| <span class="source-line-no">290</span><span id="line-290"> return this.compareTo((ServerName) o) == 0;</span> |
| <span class="source-line-no">291</span><span id="line-291"> }</span> |
| <span class="source-line-no">292</span><span id="line-292"></span> |
| <span class="source-line-no">293</span><span id="line-293"> /**</span> |
| <span class="source-line-no">294</span><span id="line-294"> * Compare two addresses</span> |
| <span class="source-line-no">295</span><span id="line-295"> * @param left the first server address to compare</span> |
| <span class="source-line-no">296</span><span id="line-296"> * @param right the second server address to compare</span> |
| <span class="source-line-no">297</span><span id="line-297"> * @return {@code true} if {@code left} and {@code right} have the same hostname and port.</span> |
| <span class="source-line-no">298</span><span id="line-298"> */</span> |
| <span class="source-line-no">299</span><span id="line-299"> public static boolean isSameAddress(final ServerName left, final ServerName right) {</span> |
| <span class="source-line-no">300</span><span id="line-300"> return left.getAddress().equals(right.getAddress());</span> |
| <span class="source-line-no">301</span><span id="line-301"> }</span> |
| <span class="source-line-no">302</span><span id="line-302"></span> |
| <span class="source-line-no">303</span><span id="line-303"> /**</span> |
| <span class="source-line-no">304</span><span id="line-304"> * Use this method instantiating a {@link ServerName} from bytes gotten from a call to</span> |
| <span class="source-line-no">305</span><span id="line-305"> * {@link #getVersionedBytes()}. Will take care of the case where bytes were written by an earlier</span> |
| <span class="source-line-no">306</span><span id="line-306"> * version of hbase.</span> |
| <span class="source-line-no">307</span><span id="line-307"> * @param versionedBytes Pass bytes gotten from a call to {@link #getVersionedBytes()}</span> |
| <span class="source-line-no">308</span><span id="line-308"> * @return A ServerName instance.</span> |
| <span class="source-line-no">309</span><span id="line-309"> * @see #getVersionedBytes()</span> |
| <span class="source-line-no">310</span><span id="line-310"> */</span> |
| <span class="source-line-no">311</span><span id="line-311"> public static ServerName parseVersionedServerName(final byte[] versionedBytes) {</span> |
| <span class="source-line-no">312</span><span id="line-312"> // Version is a short.</span> |
| <span class="source-line-no">313</span><span id="line-313"> short version = Bytes.toShort(versionedBytes);</span> |
| <span class="source-line-no">314</span><span id="line-314"> if (version == VERSION) {</span> |
| <span class="source-line-no">315</span><span id="line-315"> int length = versionedBytes.length - Bytes.SIZEOF_SHORT;</span> |
| <span class="source-line-no">316</span><span id="line-316"> return valueOf(Bytes.toString(versionedBytes, Bytes.SIZEOF_SHORT, length));</span> |
| <span class="source-line-no">317</span><span id="line-317"> }</span> |
| <span class="source-line-no">318</span><span id="line-318"> // Presume the bytes were written with an old version of hbase and that the</span> |
| <span class="source-line-no">319</span><span id="line-319"> // bytes are actually a String of the form "'<hostname>' ':' '<port>'".</span> |
| <span class="source-line-no">320</span><span id="line-320"> return valueOf(Bytes.toString(versionedBytes), NON_STARTCODE);</span> |
| <span class="source-line-no">321</span><span id="line-321"> }</span> |
| <span class="source-line-no">322</span><span id="line-322"></span> |
| <span class="source-line-no">323</span><span id="line-323"> /**</span> |
| <span class="source-line-no">324</span><span id="line-324"> * Parse a ServerName from a string</span> |
| <span class="source-line-no">325</span><span id="line-325"> * @param str Either an instance of {@link #toString()} or a "'&lt;hostname&gt;' ':'</span> |
| <span class="source-line-no">326</span><span id="line-326"> * '&lt;port&gt;'".</span> |
| <span class="source-line-no">327</span><span id="line-327"> * @return A ServerName instance.</span> |
| <span class="source-line-no">328</span><span id="line-328"> */</span> |
| <span class="source-line-no">329</span><span id="line-329"> public static ServerName parseServerName(final String str) {</span> |
| <span class="source-line-no">330</span><span id="line-330"> return SERVERNAME_PATTERN.matcher(str).matches() ? valueOf(str) : valueOf(str, NON_STARTCODE);</span> |
| <span class="source-line-no">331</span><span id="line-331"> }</span> |
| <span class="source-line-no">332</span><span id="line-332"></span> |
| <span class="source-line-no">333</span><span id="line-333"> /** Returns true if the String follows the pattern of {@link #toString()}, false otherwise. */</span> |
| <span class="source-line-no">334</span><span id="line-334"> public static boolean isFullServerName(final String str) {</span> |
| <span class="source-line-no">335</span><span id="line-335"> if (str == null || str.isEmpty()) {</span> |
| <span class="source-line-no">336</span><span id="line-336"> return false;</span> |
| <span class="source-line-no">337</span><span id="line-337"> }</span> |
| <span class="source-line-no">338</span><span id="line-338"> return SERVERNAME_PATTERN.matcher(str).matches();</span> |
| <span class="source-line-no">339</span><span id="line-339"> }</span> |
| <span class="source-line-no">340</span><span id="line-340">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
