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| <pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> *<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * or more contributor license agreements. See the NOTICE file<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * distributed with this work for additional information<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * regarding copyright ownership. The ASF licenses this file<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * to you under the Apache License, Version 2.0 (the<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * "License"); you may not use this file except in compliance<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> * with the License. You may obtain a copy of the License at<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> *<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> *<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * Unless required by applicable law or agreed to in writing, software<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * See the License for the specific language governing permissions and<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * limitations under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> */<a name="line.18"></a> |
| <span class="sourceLineNo">019</span>package org.apache.hadoop.hbase;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.util.Addressing;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span><a name="line.24"></a> |
| <span class="sourceLineNo">025</span>/**<a name="line.25"></a> |
| <span class="sourceLineNo">026</span> * Data structure to hold RegionInfo and the address for the hosting<a name="line.26"></a> |
| <span class="sourceLineNo">027</span> * HRegionServer. Immutable. Comparable, but we compare the 'location' only:<a name="line.27"></a> |
| <span class="sourceLineNo">028</span> * i.e. the hostname and port, and *not* the regioninfo. This means two<a name="line.28"></a> |
| <span class="sourceLineNo">029</span> * instances are the same if they refer to the same 'location' (the same<a name="line.29"></a> |
| <span class="sourceLineNo">030</span> * hostname and port), though they may be carrying different regions.<a name="line.30"></a> |
| <span class="sourceLineNo">031</span> *<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> * On a big cluster, each client will have thousands of instances of this object, often<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> * 100 000 of them if not million. It's important to keep the object size as small<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> * as possible.<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> *<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> * <br>This interface has been marked InterfaceAudience.Public in 0.96 and 0.98.<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> */<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>@InterfaceAudience.Public<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>public class HRegionLocation implements Comparable<HRegionLocation> {<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> private final RegionInfo regionInfo;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> private final ServerName serverName;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> private final long seqNum;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span><a name="line.43"></a> |
| <span class="sourceLineNo">044</span> public HRegionLocation(RegionInfo regionInfo, ServerName serverName) {<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> this(regionInfo, serverName, HConstants.NO_SEQNUM);<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> }<a name="line.46"></a> |
| <span class="sourceLineNo">047</span><a name="line.47"></a> |
| <span class="sourceLineNo">048</span> public HRegionLocation(RegionInfo regionInfo, ServerName serverName, long seqNum) {<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> this.regionInfo = regionInfo;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> this.serverName = serverName;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> this.seqNum = seqNum;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> }<a name="line.52"></a> |
| <span class="sourceLineNo">053</span><a name="line.53"></a> |
| <span class="sourceLineNo">054</span> /**<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * @see java.lang.Object#toString()<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> */<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> @Override<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> public String toString() {<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> return "region=" + (this.regionInfo == null ? "null" : this.regionInfo.getRegionNameAsString())<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> + ", hostname=" + this.serverName + ", seqNum=" + seqNum;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> }<a name="line.61"></a> |
| <span class="sourceLineNo">062</span><a name="line.62"></a> |
| <span class="sourceLineNo">063</span> /**<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> * @see java.lang.Object#equals(java.lang.Object)<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> */<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> @Override<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> public boolean equals(Object o) {<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> if (this == o) {<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> return true;<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> }<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> if (o == null) {<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> return false;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> }<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> if (!(o instanceof HRegionLocation)) {<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> return false;<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> }<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> return this.compareTo((HRegionLocation)o) == 0;<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> }<a name="line.78"></a> |
| <span class="sourceLineNo">079</span><a name="line.79"></a> |
| <span class="sourceLineNo">080</span> /**<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> * @see java.lang.Object#hashCode()<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> */<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> @Override<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> public int hashCode() {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> return this.serverName.hashCode();<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> }<a name="line.86"></a> |
| <span class="sourceLineNo">087</span><a name="line.87"></a> |
| <span class="sourceLineNo">088</span> /**<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> * @return regionInfo<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> */<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> public RegionInfo getRegion(){<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> return regionInfo;<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> }<a name="line.93"></a> |
| <span class="sourceLineNo">094</span><a name="line.94"></a> |
| <span class="sourceLineNo">095</span> public String getHostname() {<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> return this.serverName.getHostname();<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> }<a name="line.97"></a> |
| <span class="sourceLineNo">098</span><a name="line.98"></a> |
| <span class="sourceLineNo">099</span> public int getPort() {<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> return this.serverName.getPort();<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> }<a name="line.101"></a> |
| <span class="sourceLineNo">102</span><a name="line.102"></a> |
| <span class="sourceLineNo">103</span> public long getSeqNum() {<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> return seqNum;<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> }<a name="line.105"></a> |
| <span class="sourceLineNo">106</span><a name="line.106"></a> |
| <span class="sourceLineNo">107</span> /**<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> * @return String made of hostname and port formatted as<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> * per {@link Addressing#createHostAndPortStr(String, int)}<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> */<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> public String getHostnamePort() {<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> return Addressing.createHostAndPortStr(this.getHostname(), this.getPort());<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> }<a name="line.113"></a> |
| <span class="sourceLineNo">114</span><a name="line.114"></a> |
| <span class="sourceLineNo">115</span> public ServerName getServerName() {<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> return serverName;<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> }<a name="line.117"></a> |
| <span class="sourceLineNo">118</span><a name="line.118"></a> |
| <span class="sourceLineNo">119</span> @Override<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> public int compareTo(HRegionLocation o) {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> return serverName.compareTo(o.getServerName());<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> }<a name="line.122"></a> |
| <span class="sourceLineNo">123</span>}<a name="line.123"></a> |
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