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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/11/09 14:53:34 UTC
[38/47] hbase-site git commit: Published site at
fe2265fa4a1e828b2e68ff8e42639c5942dccb1b.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9592fdb5/devapidocs/src-html/org/apache/hadoop/hbase/client/RegionInfo.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/RegionInfo.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/RegionInfo.html
index 6df10fd..96d95ad 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/client/RegionInfo.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/RegionInfo.html
@@ -26,742 +26,764 @@
<span class="sourceLineNo">018</span> */<a name="line.18"></a>
<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.client;<a name="line.19"></a>
<span class="sourceLineNo">020</span><a name="line.20"></a>
-<span class="sourceLineNo">021</span>import java.io.DataInputStream;<a name="line.21"></a>
-<span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a>
-<span class="sourceLineNo">023</span>import java.util.ArrayList;<a name="line.23"></a>
-<span class="sourceLineNo">024</span>import java.util.Arrays;<a name="line.24"></a>
-<span class="sourceLineNo">025</span>import java.util.Comparator;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import java.util.List;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import java.util.stream.Collectors;<a name="line.27"></a>
-<span class="sourceLineNo">028</span><a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.HConstants;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.TableName;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.util.ByteArrayHashKey;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.util.HashKey;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.util.JenkinsHash;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.util.MD5Hash;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.io.DataInputBuffer;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.util.StringUtils;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.39"></a>
-<span class="sourceLineNo">040</span><a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos;<a name="line.42"></a>
-<span class="sourceLineNo">043</span><a name="line.43"></a>
-<span class="sourceLineNo">044</span>/**<a name="line.44"></a>
-<span class="sourceLineNo">045</span> * Information about a region. A region is a range of keys in the whole keyspace<a name="line.45"></a>
-<span class="sourceLineNo">046</span> * of a table, an identifier (a timestamp) for differentiating between subset<a name="line.46"></a>
-<span class="sourceLineNo">047</span> * ranges (after region split) and a replicaId for differentiating the instance<a name="line.47"></a>
-<span class="sourceLineNo">048</span> * for the same range and some status information about the region.<a name="line.48"></a>
-<span class="sourceLineNo">049</span> *<a name="line.49"></a>
-<span class="sourceLineNo">050</span> * The region has a unique name which consists of the following fields:<a name="line.50"></a>
-<span class="sourceLineNo">051</span> * <ul><a name="line.51"></a>
-<span class="sourceLineNo">052</span> * <li> tableName : The name of the table </li><a name="line.52"></a>
-<span class="sourceLineNo">053</span> * <li> startKey : The startKey for the region. </li><a name="line.53"></a>
-<span class="sourceLineNo">054</span> * <li> regionId : A timestamp when the region is created. </li><a name="line.54"></a>
-<span class="sourceLineNo">055</span> * <li> replicaId : An id starting from 0 to differentiate replicas of the<a name="line.55"></a>
-<span class="sourceLineNo">056</span> * same region range but hosted in separated servers. The same region range can<a name="line.56"></a>
-<span class="sourceLineNo">057</span> * be hosted in multiple locations.</li><a name="line.57"></a>
-<span class="sourceLineNo">058</span> * <li> encodedName : An MD5 encoded string for the region name.</li><a name="line.58"></a>
-<span class="sourceLineNo">059</span> * </ul><a name="line.59"></a>
-<span class="sourceLineNo">060</span> *<a name="line.60"></a>
-<span class="sourceLineNo">061</span> * <br> Other than the fields in the region name, region info contains:<a name="line.61"></a>
-<span class="sourceLineNo">062</span> * <ul><a name="line.62"></a>
-<span class="sourceLineNo">063</span> * <li> endKey : the endKey for the region (exclusive) </li><a name="line.63"></a>
-<span class="sourceLineNo">064</span> * <li> split : Whether the region is split </li><a name="line.64"></a>
-<span class="sourceLineNo">065</span> * <li> offline : Whether the region is offline </li><a name="line.65"></a>
-<span class="sourceLineNo">066</span> * </ul><a name="line.66"></a>
-<span class="sourceLineNo">067</span> *<a name="line.67"></a>
-<span class="sourceLineNo">068</span> */<a name="line.68"></a>
-<span class="sourceLineNo">069</span>@InterfaceAudience.Public<a name="line.69"></a>
-<span class="sourceLineNo">070</span>public interface RegionInfo {<a name="line.70"></a>
-<span class="sourceLineNo">071</span> /**<a name="line.71"></a>
-<span class="sourceLineNo">072</span> * Separator used to demarcate the encodedName in a region name<a name="line.72"></a>
-<span class="sourceLineNo">073</span> * in the new format. See description on new format above.<a name="line.73"></a>
-<span class="sourceLineNo">074</span> */<a name="line.74"></a>
-<span class="sourceLineNo">075</span> @InterfaceAudience.Private<a name="line.75"></a>
-<span class="sourceLineNo">076</span> int ENC_SEPARATOR = '.';<a name="line.76"></a>
-<span class="sourceLineNo">077</span><a name="line.77"></a>
-<span class="sourceLineNo">078</span> @InterfaceAudience.Private<a name="line.78"></a>
-<span class="sourceLineNo">079</span> int MD5_HEX_LENGTH = 32;<a name="line.79"></a>
-<span class="sourceLineNo">080</span><a name="line.80"></a>
-<span class="sourceLineNo">081</span> @InterfaceAudience.Private<a name="line.81"></a>
-<span class="sourceLineNo">082</span> int DEFAULT_REPLICA_ID = 0;<a name="line.82"></a>
-<span class="sourceLineNo">083</span><a name="line.83"></a>
-<span class="sourceLineNo">084</span> /**<a name="line.84"></a>
-<span class="sourceLineNo">085</span> * to keep appended int's sorted in string format. Only allows 2 bytes<a name="line.85"></a>
-<span class="sourceLineNo">086</span> * to be sorted for replicaId.<a name="line.86"></a>
-<span class="sourceLineNo">087</span> */<a name="line.87"></a>
-<span class="sourceLineNo">088</span> @InterfaceAudience.Private<a name="line.88"></a>
-<span class="sourceLineNo">089</span> String REPLICA_ID_FORMAT = "%04X";<a name="line.89"></a>
-<span class="sourceLineNo">090</span><a name="line.90"></a>
-<span class="sourceLineNo">091</span> @InterfaceAudience.Private<a name="line.91"></a>
-<span class="sourceLineNo">092</span> byte REPLICA_ID_DELIMITER = (byte)'_';<a name="line.92"></a>
-<span class="sourceLineNo">093</span><a name="line.93"></a>
-<span class="sourceLineNo">094</span> @InterfaceAudience.Private<a name="line.94"></a>
-<span class="sourceLineNo">095</span> String INVALID_REGION_NAME_FORMAT_MESSAGE = "Invalid regionName format";<a name="line.95"></a>
-<span class="sourceLineNo">096</span><a name="line.96"></a>
-<span class="sourceLineNo">097</span> @InterfaceAudience.Private<a name="line.97"></a>
-<span class="sourceLineNo">098</span> Comparator<RegionInfo> COMPARATOR<a name="line.98"></a>
-<span class="sourceLineNo">099</span> = (RegionInfo lhs, RegionInfo rhs) -> {<a name="line.99"></a>
-<span class="sourceLineNo">100</span> if (rhs == null) {<a name="line.100"></a>
-<span class="sourceLineNo">101</span> return 1;<a name="line.101"></a>
-<span class="sourceLineNo">102</span> }<a name="line.102"></a>
-<span class="sourceLineNo">103</span><a name="line.103"></a>
-<span class="sourceLineNo">104</span> // Are regions of same table?<a name="line.104"></a>
-<span class="sourceLineNo">105</span> int result = lhs.getTable().compareTo(rhs.getTable());<a name="line.105"></a>
-<span class="sourceLineNo">106</span> if (result != 0) {<a name="line.106"></a>
-<span class="sourceLineNo">107</span> return result;<a name="line.107"></a>
-<span class="sourceLineNo">108</span> }<a name="line.108"></a>
-<span class="sourceLineNo">109</span><a name="line.109"></a>
-<span class="sourceLineNo">110</span> // Compare start keys.<a name="line.110"></a>
-<span class="sourceLineNo">111</span> result = Bytes.compareTo(lhs.getStartKey(), rhs.getStartKey());<a name="line.111"></a>
-<span class="sourceLineNo">112</span> if (result != 0) {<a name="line.112"></a>
-<span class="sourceLineNo">113</span> return result;<a name="line.113"></a>
-<span class="sourceLineNo">114</span> }<a name="line.114"></a>
-<span class="sourceLineNo">115</span><a name="line.115"></a>
-<span class="sourceLineNo">116</span> // Compare end keys.<a name="line.116"></a>
-<span class="sourceLineNo">117</span> result = Bytes.compareTo(lhs.getEndKey(), rhs.getEndKey());<a name="line.117"></a>
-<span class="sourceLineNo">118</span><a name="line.118"></a>
-<span class="sourceLineNo">119</span> if (result != 0) {<a name="line.119"></a>
-<span class="sourceLineNo">120</span> if (lhs.getStartKey().length != 0<a name="line.120"></a>
-<span class="sourceLineNo">121</span> && lhs.getEndKey().length == 0) {<a name="line.121"></a>
-<span class="sourceLineNo">122</span> return 1; // this is last region<a name="line.122"></a>
-<span class="sourceLineNo">123</span> }<a name="line.123"></a>
-<span class="sourceLineNo">124</span> if (rhs.getStartKey().length != 0<a name="line.124"></a>
-<span class="sourceLineNo">125</span> && rhs.getEndKey().length == 0) {<a name="line.125"></a>
-<span class="sourceLineNo">126</span> return -1; // o is the last region<a name="line.126"></a>
-<span class="sourceLineNo">127</span> }<a name="line.127"></a>
-<span class="sourceLineNo">128</span> return result;<a name="line.128"></a>
-<span class="sourceLineNo">129</span> }<a name="line.129"></a>
-<span class="sourceLineNo">130</span><a name="line.130"></a>
-<span class="sourceLineNo">131</span> // regionId is usually milli timestamp -- this defines older stamps<a name="line.131"></a>
-<span class="sourceLineNo">132</span> // to be "smaller" than newer stamps in sort order.<a name="line.132"></a>
-<span class="sourceLineNo">133</span> if (lhs.getRegionId() > rhs.getRegionId()) {<a name="line.133"></a>
-<span class="sourceLineNo">134</span> return 1;<a name="line.134"></a>
-<span class="sourceLineNo">135</span> } else if (lhs.getRegionId() < rhs.getRegionId()) {<a name="line.135"></a>
-<span class="sourceLineNo">136</span> return -1;<a name="line.136"></a>
-<span class="sourceLineNo">137</span> }<a name="line.137"></a>
-<span class="sourceLineNo">138</span><a name="line.138"></a>
-<span class="sourceLineNo">139</span> int replicaDiff = lhs.getReplicaId() - rhs.getReplicaId();<a name="line.139"></a>
-<span class="sourceLineNo">140</span> if (replicaDiff != 0) return replicaDiff;<a name="line.140"></a>
-<span class="sourceLineNo">141</span><a name="line.141"></a>
-<span class="sourceLineNo">142</span> if (lhs.isOffline() == rhs.isOffline())<a name="line.142"></a>
-<span class="sourceLineNo">143</span> return 0;<a name="line.143"></a>
-<span class="sourceLineNo">144</span> if (lhs.isOffline() == true) return -1;<a name="line.144"></a>
-<span class="sourceLineNo">145</span><a name="line.145"></a>
-<span class="sourceLineNo">146</span> return 1;<a name="line.146"></a>
-<span class="sourceLineNo">147</span> };<a name="line.147"></a>
-<span class="sourceLineNo">148</span><a name="line.148"></a>
-<span class="sourceLineNo">149</span><a name="line.149"></a>
-<span class="sourceLineNo">150</span> /**<a name="line.150"></a>
-<span class="sourceLineNo">151</span> * @return Return a short, printable name for this region<a name="line.151"></a>
-<span class="sourceLineNo">152</span> * (usually encoded name) for us logging.<a name="line.152"></a>
-<span class="sourceLineNo">153</span> */<a name="line.153"></a>
-<span class="sourceLineNo">154</span> String getShortNameToLog();<a name="line.154"></a>
-<span class="sourceLineNo">155</span><a name="line.155"></a>
-<span class="sourceLineNo">156</span> /**<a name="line.156"></a>
-<span class="sourceLineNo">157</span> * @return the regionId.<a name="line.157"></a>
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-<span class="sourceLineNo">159</span> long getRegionId();<a name="line.159"></a>
-<span class="sourceLineNo">160</span><a name="line.160"></a>
-<span class="sourceLineNo">161</span> /**<a name="line.161"></a>
-<span class="sourceLineNo">162</span> * @return the regionName as an array of bytes.<a name="line.162"></a>
-<span class="sourceLineNo">163</span> * @see #getRegionNameAsString()<a name="line.163"></a>
-<span class="sourceLineNo">164</span> */<a name="line.164"></a>
-<span class="sourceLineNo">165</span> byte [] getRegionName();<a name="line.165"></a>
-<span class="sourceLineNo">166</span><a name="line.166"></a>
-<span class="sourceLineNo">167</span> /**<a name="line.167"></a>
-<span class="sourceLineNo">168</span> * @return Region name as a String for use in logging, etc.<a name="line.168"></a>
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-<span class="sourceLineNo">170</span> String getRegionNameAsString();<a name="line.170"></a>
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-<span class="sourceLineNo">175</span> String getEncodedName();<a name="line.175"></a>
-<span class="sourceLineNo">176</span><a name="line.176"></a>
-<span class="sourceLineNo">177</span> /**<a name="line.177"></a>
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-<span class="sourceLineNo">180</span> byte [] getEncodedNameAsBytes();<a name="line.180"></a>
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-<span class="sourceLineNo">182</span> /**<a name="line.182"></a>
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-<span class="sourceLineNo">191</span><a name="line.191"></a>
-<span class="sourceLineNo">192</span> /**<a name="line.192"></a>
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-<span class="sourceLineNo">195</span> TableName getTable();<a name="line.195"></a>
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-<span class="sourceLineNo">207</span> /**<a name="line.207"></a>
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-<span class="sourceLineNo">225</span> * @return true if the given inclusive range of rows is fully contained<a name="line.225"></a>
-<span class="sourceLineNo">226</span> * by this region. For example, if the region is foo,a,g and this is<a name="line.226"></a>
-<span class="sourceLineNo">227</span> * passed ["b","c"] or ["a","c"] it will return true, but if this is passed<a name="line.227"></a>
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-<span class="sourceLineNo">259</span> // region is in new format:<a name="line.259"></a>
-<span class="sourceLineNo">260</span> // <tableName>,<startKey>,<regionIdTimeStamp>/encodedName/<a name="line.260"></a>
-<span class="sourceLineNo">261</span> encodedName = Bytes.toString(regionName,<a name="line.261"></a>
-<span class="sourceLineNo">262</span> regionName.length - MD5_HEX_LENGTH - 1,<a name="line.262"></a>
-<span class="sourceLineNo">263</span> MD5_HEX_LENGTH);<a name="line.263"></a>
-<span class="sourceLineNo">264</span> } else {<a name="line.264"></a>
-<span class="sourceLineNo">265</span> // old format region name. First hbase:meta region also<a name="line.265"></a>
-<span class="sourceLineNo">266</span> // use this format.EncodedName is the JenkinsHash value.<a name="line.266"></a>
-<span class="sourceLineNo">267</span> HashKey<byte[]> key = new ByteArrayHashKey(regionName, 0, regionName.length);<a name="line.267"></a>
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-<span class="sourceLineNo">284</span> * (usually encoded name) for us logging.<a name="line.284"></a>
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-<span class="sourceLineNo">287</span> return ris.stream().map(ri -> ri.getShortNameToLog()).<a name="line.287"></a>
-<span class="sourceLineNo">288</span> collect(Collectors.toList()).toString();<a name="line.288"></a>
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-<span class="sourceLineNo">292</span> * Gets the table name from the specified region name.<a name="line.292"></a>
-<span class="sourceLineNo">293</span> * @param regionName to extract the table name from<a name="line.293"></a>
-<span class="sourceLineNo">294</span> * @return Table name<a name="line.294"></a>
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-<span class="sourceLineNo">296</span> @InterfaceAudience.Private<a name="line.296"></a>
-<span class="sourceLineNo">297</span> // This method should never be used. Its awful doing parse from bytes.<a name="line.297"></a>
-<span class="sourceLineNo">298</span> // It is fallback in case we can't get the tablename any other way. Could try removing it.<a name="line.298"></a>
-<span class="sourceLineNo">299</span> // Keeping it Audience Private so can remove at later date.<a name="line.299"></a>
-<span class="sourceLineNo">300</span> static TableName getTable(final byte [] regionName) {<a name="line.300"></a>
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-<span class="sourceLineNo">304</span> offset = i;<a name="line.304"></a>
-<span class="sourceLineNo">305</span> break;<a name="line.305"></a>
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-<span class="sourceLineNo">381</span> * @param offset starting point in the byte array<a name="line.381"></a>
-<span class="sourceLineNo">382</span> * @param len length to read on the byte array<a name="line.382"></a>
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-<span class="sourceLineNo">392</span> HBaseProtos.RegionInfo.Builder builder = HBaseProtos.RegionInfo.newBuilder();<a name="line.392"></a>
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-<span class="sourceLineNo">394</span> HBaseProtos.RegionInfo ri = builder.build();<a name="line.394"></a>
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-<span class="sourceLineNo">411</span> if (regionA == null || regionB == null) {<a name="line.411"></a>
-<span class="sourceLineNo">412</span> throw new IllegalArgumentException(<a name="line.412"></a>
-<span class="sourceLineNo">413</span> "Can't check whether adjacent for null region");<a name="line.413"></a>
-<span class="sourceLineNo">414</span> }<a name="line.414"></a>
-<span class="sourceLineNo">415</span> RegionInfo a = regionA;<a name="line.415"></a>
-<span class="sourceLineNo">416</span> RegionInfo b = regionB;<a name="line.416"></a>
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-<span class="sourceLineNo">419</span> b = regionA;<a name="line.419"></a>
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-<span class="sourceLineNo">422</span> return true;<a name="line.422"></a>
+<span class="sourceLineNo">021</span>import edu.umd.cs.findbugs.annotations.CheckForNull;<a name="line.21"></a>
+<span class="sourceLineNo">022</span><a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.io.DataInputStream;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.io.IOException;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.util.ArrayList;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.util.Arrays;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.util.Comparator;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.util.List;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.util.stream.Collectors;<a name="line.29"></a>
+<span class="sourceLineNo">030</span><a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.HConstants;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.TableName;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.util.ByteArrayHashKey;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.util.HashKey;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.util.JenkinsHash;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.MD5Hash;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.io.DataInputBuffer;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.util.StringUtils;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.41"></a>
+<span class="sourceLineNo">042</span><a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos;<a name="line.44"></a>
+<span class="sourceLineNo">045</span><a name="line.45"></a>
+<span class="sourceLineNo">046</span>/**<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * Information about a region. A region is a range of keys in the whole keyspace<a name="line.47"></a>
+<span class="sourceLineNo">048</span> * of a table, an identifier (a timestamp) for differentiating between subset<a name="line.48"></a>
+<span class="sourceLineNo">049</span> * ranges (after region split) and a replicaId for differentiating the instance<a name="line.49"></a>
+<span class="sourceLineNo">050</span> * for the same range and some status information about the region.<a name="line.50"></a>
+<span class="sourceLineNo">051</span> *<a name="line.51"></a>
+<span class="sourceLineNo">052</span> * The region has a unique name which consists of the following fields:<a name="line.52"></a>
+<span class="sourceLineNo">053</span> * <ul><a name="line.53"></a>
+<span class="sourceLineNo">054</span> * <li> tableName : The name of the table </li><a name="line.54"></a>
+<span class="sourceLineNo">055</span> * <li> startKey : The startKey for the region. </li><a name="line.55"></a>
+<span class="sourceLineNo">056</span> * <li> regionId : A timestamp when the region is created. </li><a name="line.56"></a>
+<span class="sourceLineNo">057</span> * <li> replicaId : An id starting from 0 to differentiate replicas of the<a name="line.57"></a>
+<span class="sourceLineNo">058</span> * same region range but hosted in separated servers. The same region range can<a name="line.58"></a>
+<span class="sourceLineNo">059</span> * be hosted in multiple locations.</li><a name="line.59"></a>
+<span class="sourceLineNo">060</span> * <li> encodedName : An MD5 encoded string for the region name.</li><a name="line.60"></a>
+<span class="sourceLineNo">061</span> * </ul><a name="line.61"></a>
+<span class="sourceLineNo">062</span> *<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * <br> Other than the fields in the region name, region info contains:<a name="line.63"></a>
+<span class="sourceLineNo">064</span> * <ul><a name="line.64"></a>
+<span class="sourceLineNo">065</span> * <li> endKey : the endKey for the region (exclusive) </li><a name="line.65"></a>
+<span class="sourceLineNo">066</span> * <li> split : Whether the region is split </li><a name="line.66"></a>
+<span class="sourceLineNo">067</span> * <li> offline : Whether the region is offline </li><a name="line.67"></a>
+<span class="sourceLineNo">068</span> * </ul><a name="line.68"></a>
+<span class="sourceLineNo">069</span> *<a name="line.69"></a>
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+<span class="sourceLineNo">071</span>@InterfaceAudience.Public<a name="line.71"></a>
+<span class="sourceLineNo">072</span>public interface RegionInfo {<a name="line.72"></a>
+<span class="sourceLineNo">073</span> /**<a name="line.73"></a>
+<span class="sourceLineNo">074</span> * Separator used to demarcate the encodedName in a region name<a name="line.74"></a>
+<span class="sourceLineNo">075</span> * in the new format. See description on new format above.<a name="line.75"></a>
+<span class="sourceLineNo">076</span> */<a name="line.76"></a>
+<span class="sourceLineNo">077</span> @InterfaceAudience.Private<a name="line.77"></a>
+<span class="sourceLineNo">078</span> int ENC_SEPARATOR = '.';<a name="line.78"></a>
+<span class="sourceLineNo">079</span><a name="line.79"></a>
+<span class="sourceLineNo">080</span> @InterfaceAudience.Private<a name="line.80"></a>
+<span class="sourceLineNo">081</span> int MD5_HEX_LENGTH = 32;<a name="line.81"></a>
+<span class="sourceLineNo">082</span><a name="line.82"></a>
+<span class="sourceLineNo">083</span> @InterfaceAudience.Private<a name="line.83"></a>
+<span class="sourceLineNo">084</span> int DEFAULT_REPLICA_ID = 0;<a name="line.84"></a>
+<span class="sourceLineNo">085</span><a name="line.85"></a>
+<span class="sourceLineNo">086</span> /**<a name="line.86"></a>
+<span class="sourceLineNo">087</span> * to keep appended int's sorted in string format. Only allows 2 bytes<a name="line.87"></a>
+<span class="sourceLineNo">088</span> * to be sorted for replicaId.<a name="line.88"></a>
+<span class="sourceLineNo">089</span> */<a name="line.89"></a>
+<span class="sourceLineNo">090</span> @InterfaceAudience.Private<a name="line.90"></a>
+<span class="sourceLineNo">091</span> String REPLICA_ID_FORMAT = "%04X";<a name="line.91"></a>
+<span class="sourceLineNo">092</span><a name="line.92"></a>
+<span class="sourceLineNo">093</span> @InterfaceAudience.Private<a name="line.93"></a>
+<span class="sourceLineNo">094</span> byte REPLICA_ID_DELIMITER = (byte)'_';<a name="line.94"></a>
+<span class="sourceLineNo">095</span><a name="line.95"></a>
+<span class="sourceLineNo">096</span> @InterfaceAudience.Private<a name="line.96"></a>
+<span class="sourceLineNo">097</span> String INVALID_REGION_NAME_FORMAT_MESSAGE = "Invalid regionName format";<a name="line.97"></a>
+<span class="sourceLineNo">098</span><a name="line.98"></a>
+<span class="sourceLineNo">099</span> @InterfaceAudience.Private<a name="line.99"></a>
+<span class="sourceLineNo">100</span> Comparator<RegionInfo> COMPARATOR<a name="line.100"></a>
+<span class="sourceLineNo">101</span> = (RegionInfo lhs, RegionInfo rhs) -> {<a name="line.101"></a>
+<span class="sourceLineNo">102</span> if (rhs == null) {<a name="line.102"></a>
+<span class="sourceLineNo">103</span> return 1;<a name="line.103"></a>
+<span class="sourceLineNo">104</span> }<a name="line.104"></a>
+<span class="sourceLineNo">105</span><a name="line.105"></a>
+<span class="sourceLineNo">106</span> // Are regions of same table?<a name="line.106"></a>
+<span class="sourceLineNo">107</span> int result = lhs.getTable().compareTo(rhs.getTable());<a name="line.107"></a>
+<span class="sourceLineNo">108</span> if (result != 0) {<a name="line.108"></a>
+<span class="sourceLineNo">109</span> return result;<a name="line.109"></a>
+<span class="sourceLineNo">110</span> }<a name="line.110"></a>
+<span class="sourceLineNo">111</span><a name="line.111"></a>
+<span class="sourceLineNo">112</span> // Compare start keys.<a name="line.112"></a>
+<span class="sourceLineNo">113</span> result = Bytes.compareTo(lhs.getStartKey(), rhs.getStartKey());<a name="line.113"></a>
+<span class="sourceLineNo">114</span> if (result != 0) {<a name="line.114"></a>
+<span class="sourceLineNo">115</span> return result;<a name="line.115"></a>
+<span class="sourceLineNo">116</span> }<a name="line.116"></a>
+<span class="sourceLineNo">117</span><a name="line.117"></a>
+<span class="sourceLineNo">118</span> // Compare end keys.<a name="line.118"></a>
+<span class="sourceLineNo">119</span> result = Bytes.compareTo(lhs.getEndKey(), rhs.getEndKey());<a name="line.119"></a>
+<span class="sourceLineNo">120</span><a name="line.120"></a>
+<span class="sourceLineNo">121</span> if (result != 0) {<a name="line.121"></a>
+<span class="sourceLineNo">122</span> if (lhs.getStartKey().length != 0<a name="line.122"></a>
+<span class="sourceLineNo">123</span> && lhs.getEndKey().length == 0) {<a name="line.123"></a>
+<span class="sourceLineNo">124</span> return 1; // this is last region<a name="line.124"></a>
+<span class="sourceLineNo">125</span> }<a name="line.125"></a>
+<span class="sourceLineNo">126</span> if (rhs.getStartKey().length != 0<a name="line.126"></a>
+<span class="sourceLineNo">127</span> && rhs.getEndKey().length == 0) {<a name="line.127"></a>
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+<span class="sourceLineNo">129</span> }<a name="line.129"></a>
+<span class="sourceLineNo">130</span> return result;<a name="line.130"></a>
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+<span class="sourceLineNo">132</span><a name="line.132"></a>
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+<span class="sourceLineNo">134</span> // to be "smaller" than newer stamps in sort order.<a name="line.134"></a>
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+<span class="sourceLineNo">139</span> }<a name="line.139"></a>
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+<span class="sourceLineNo">143</span><a name="line.143"></a>
+<span class="sourceLineNo">144</span> if (lhs.isOffline() == rhs.isOffline())<a name="line.144"></a>
+<span class="sourceLineNo">145</span> return 0;<a name="line.145"></a>
+<span class="sourceLineNo">146</span> if (lhs.isOffline() == true) return -1;<a name="line.146"></a>
+<span class="sourceLineNo">147</span><a name="line.147"></a>
+<span class="sourceLineNo">148</span> return 1;<a name="line.148"></a>
+<span class="sourceLineNo">149</span> };<a name="line.149"></a>
+<span class="sourceLineNo">150</span><a name="line.150"></a>
+<span class="sourceLineNo">151</span><a name="line.151"></a>
+<span class="sourceLineNo">152</span> /**<a name="line.152"></a>
+<span class="sourceLineNo">153</span> * @return Return a short, printable name for this region<a name="line.153"></a>
+<span class="sourceLineNo">154</span> * (usually encoded name) for us logging.<a name="line.154"></a>
+<span class="sourceLineNo">155</span> */<a name="line.155"></a>
+<span class="sourceLineNo">156</span> String getShortNameToLog();<a name="line.156"></a>
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+<span class="sourceLineNo">158</span> /**<a name="line.158"></a>
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+<span class="sourceLineNo">163</span> /**<a name="line.163"></a>
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+<span class="sourceLineNo">165</span> * @see #getRegionNameAsString()<a name="line.165"></a>
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+<span class="sourceLineNo">169</span> /**<a name="line.169"></a>
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+<span class="sourceLineNo">174</span> /**<a name="line.174"></a>
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+<span class="sourceLineNo">177</span> String getEncodedName();<a name="line.177"></a>
+<span class="sourceLineNo">178</span><a name="line.178"></a>
+<span class="sourceLineNo">179</span> /**<a name="line.179"></a>
+<span class="sourceLineNo">180</span> * @return the encoded region name as an array of bytes.<a name="line.180"></a>
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+<span class="sourceLineNo">182</span> byte [] getEncodedNameAsBytes();<a name="line.182"></a>
+<span class="sourceLineNo">183</span><a name="line.183"></a>
+<span class="sourceLineNo">184</span> /**<a name="line.184"></a>
+<span class="sourceLineNo">185</span> * @return the startKey.<a name="line.185"></a>
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+<span class="sourceLineNo">187</span> byte [] getStartKey();<a name="line.187"></a>
+<span class="sourceLineNo">188</span><a name="line.188"></a>
+<span class="sourceLineNo">189</span> /**<a name="line.189"></a>
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+<span class="sourceLineNo">193</span><a name="line.193"></a>
+<span class="sourceLineNo">194</span> /**<a name="line.194"></a>
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+<span class="sourceLineNo">197</span> TableName getTable();<a name="line.197"></a>
+<span class="sourceLineNo">198</span><a name="line.198"></a>
+<span class="sourceLineNo">199</span> /**<a name="line.199"></a>
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+<span class="sourceLineNo">202</span> int getReplicaId();<a name="line.202"></a>
+<span class="sourceLineNo">203</span><a name="line.203"></a>
+<span class="sourceLineNo">204</span> /**<a name="line.204"></a>
+<span class="sourceLineNo">205</span> * @return True if has been split and has daughters.<a name="line.205"></a>
+<span class="sourceLineNo">206</span> */<a name="line.206"></a>
+<span class="sourceLineNo">207</span> boolean isSplit();<a name="line.207"></a>
+<span class="sourceLineNo">208</span><a name="line.208"></a>
+<span class="sourceLineNo">209</span> /**<a name="line.209"></a>
+<span class="sourceLineNo">210</span> * @return True if this region is offline.<a name="line.210"></a>
+<span class="sourceLineNo">211</span> */<a name="line.211"></a>
+<span class="sourceLineNo">212</span> boolean isOffline();<a name="line.212"></a>
+<span class="sourceLineNo">213</span><a name="line.213"></a>
+<span class="sourceLineNo">214</span> /**<a name="line.214"></a>
+<span class="sourceLineNo">215</span> * @return True if this is a split parent region.<a name="line.215"></a>
+<span class="sourceLineNo">216</span> */<a name="line.216"></a>
+<span class="sourceLineNo">217</span> boolean isSplitParent();<a name="line.217"></a>
+<span class="sourceLineNo">218</span><a name="line.218"></a>
+<span class="sourceLineNo">219</span> /**<a name="line.219"></a>
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+<span class="sourceLineNo">221</span> */<a name="line.221"></a>
+<span class="sourceLineNo">222</span> boolean isMetaRegion();<a name="line.222"></a>
+<span class="sourceLineNo">223</span><a name="line.223"></a>
+<span class="sourceLineNo">224</span> /**<a name="line.224"></a>
+<span class="sourceLineNo">225</span> * @param rangeStartKey<a name="line.225"></a>
+<span class="sourceLineNo">226</span> * @param rangeEndKey<a name="line.226"></a>
+<span class="sourceLineNo">227</span> * @return true if the given inclusive range of rows is fully contained<a name="line.227"></a>
+<span class="sourceLineNo">228</span> * by this region. For example, if the region is foo,a,g and this is<a name="line.228"></a>
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+<span class="sourceLineNo">230</span> * ["b","z"] it will return false.<a name="line.230"></a>
+<span class="sourceLineNo">231</span> * @throws IllegalArgumentException if the range passed is invalid (ie. end &lt; start)<a name="line.231"></a>
+<span class="sourceLineNo">232</span> */<a name="line.232"></a>
+<span class="sourceLineNo">233</span> boolean containsRange(byte[] rangeStartKey, byte[] rangeEndKey);<a name="line.233"></a>
+<span class="sourceLineNo">234</span><a name="line.234"></a>
+<span class="sourceLineNo">235</span> /**<a name="line.235"></a>
+<span class="sourceLineNo">236</span> * @param row<a name="line.236"></a>
+<span class="sourceLineNo">237</span> * @return true if the given row falls in this region.<a name="line.237"></a>
+<span class="sourceLineNo">238</span> */<a name="line.238"></a>
+<span class="sourceLineNo">239</span> boolean containsRow(byte[] row);<a name="line.239"></a>
+<span class="sourceLineNo">240</span><a name="line.240"></a>
+<span class="sourceLineNo">241</span> /**<a name="line.241"></a>
+<span class="sourceLineNo">242</span> * Does region name contain its encoded name?<a name="line.242"></a>
+<span class="sourceLineNo">243</span> * @param regionName region name<a name="line.243"></a>
+<span class="sourceLineNo">244</span> * @return boolean indicating if this a new format region<a name="line.244"></a>
+<span class="sourceLineNo">245</span> * name which contains its encoded name.<a name="line.245"></a>
+<span class="sourceLineNo">246</span> */<a name="line.246"></a>
+<span class="sourceLineNo">247</span> @InterfaceAudience.Private<a name="line.247"></a>
+<span class="sourceLineNo">248</span> static boolean hasEncodedName(final byte[] regionName) {<a name="line.248"></a>
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+<span class="sourceLineNo">250</span> return (regionName.length >= 1) &&<a name="line.250"></a>
+<span class="sourceLineNo">251</span> (regionName[regionName.length - 1] == RegionInfo.ENC_SEPARATOR);<a name="line.251"></a>
+<span class="sourceLineNo">252</span> }<a name="line.252"></a>
+<span class="sourceLineNo">253</span><a name="line.253"></a>
+<span class="sourceLineNo">254</span> /**<a name="line.254"></a>
+<span class="sourceLineNo">255</span> * @return the encodedName<a name="line.255"></a>
+<span class="sourceLineNo">256</span> */<a name="line.256"></a>
+<span class="sourceLineNo">257</span> @InterfaceAudience.Private<a name="line.257"></a>
+<span class="sourceLineNo">258</span> static String encodeRegionName(final byte [] regionName) {<a name="line.258"></a>
+<span class="sourceLineNo">259</span> String encodedName;<a name="line.259"></a>
+<span class="sourceLineNo">260</span> if (hasEncodedName(regionName)) {<a name="line.260"></a>
+<span class="sourceLineNo">261</span> // region is in new format:<a name="line.261"></a>
+<span class="sourceLineNo">262</span> // <tableName>,<startKey>,<regionIdTimeStamp>/encodedName/<a name="line.262"></a>
+<span class="sourceLineNo">263</span> encodedName = Bytes.toString(regionName,<a name="line.263"></a>
+<span class="sourceLineNo">264</span> regionName.length - MD5_HEX_LENGTH - 1,<a name="line.264"></a>
+<span class="sourceLineNo">265</span> MD5_HEX_LENGTH);<a name="line.265"></a>
+<span class="sourceLineNo">266</span> } else {<a name="line.266"></a>
+<span class="sourceLineNo">267</span> // old format region name. First hbase:meta region also<a name="line.267"></a>
+<span class="sourceLineNo">268</span> // use this format.EncodedName is the JenkinsHash value.<a name="line.268"></a>
+<span class="sourceLineNo">269</span> HashKey<byte[]> key = new ByteArrayHashKey(regionName, 0, regionName.length);<a name="line.269"></a>
+<span class="sourceLineNo">270</span> int hashVal = Math.abs(JenkinsHash.getInstance().hash(key, 0));<a name="line.270"></a>
+<span class="sourceLineNo">271</span> encodedName = String.valueOf(hashVal);<a name="line.271"></a>
+<span class="sourceLineNo">272</span> }<a name="line.272"></a>
+<span class="sourceLineNo">273</span> return encodedName;<a name="line.273"></a>
+<span class="sourceLineNo">274</span> }<a name="line.274"></a>
+<span class="sourceLineNo">275</span><a name="line.275"></a>
+<span class="sourceLineNo">276</span> @InterfaceAudience.Private<a name="line.276"></a>
+<span class="sourceLineNo">277</span> static String getRegionNameAsString(byte[] regionName) {<a name="line.277"></a>
+<span class="sourceLineNo">278</span> return getRegionNameAsString(null, regionName);<a name="line.278"></a>
+<span class="sourceLineNo">279</span> }<a name="line.279"></a>
+<span class="sourceLineNo">280</span><a name="line.280"></a>
+<span class="sourceLineNo">281</span> @InterfaceAudience.Private<a name="line.281"></a>
+<span class="sourceLineNo">282</span> static String getRegionNameAsString(@CheckForNull RegionInfo ri, byte[] regionName) {<a name="line.282"></a>
+<span class="sourceLineNo">283</span> if (RegionInfo.hasEncodedName(regionName)) {<a name="line.283"></a>
+<span class="sourceLineNo">284</span> // new format region names already have their encoded name.<a name="line.284"></a>
+<span class="sourceLineNo">285</span> return Bytes.toStringBinary(regionName);<a name="line.285"></a>
+<span class="sourceLineNo">286</span> }<a name="line.286"></a>
+<span class="sourceLineNo">287</span><a name="line.287"></a>
+<span class="sourceLineNo">288</span> // old format. regionNameStr doesn't have the region name.<a name="line.288"></a>
+<span class="sourceLineNo">289</span> if (ri == null) {<a name="line.289"></a>
+<span class="sourceLineNo">290</span> return Bytes.toStringBinary(regionName) + "." + RegionInfo.encodeRegionName(regionName);<a name="line.290"></a>
+<span class="sourceLineNo">291</span> } else {<a name="line.291"></a>
+<span class="sourceLineNo">292</span> return Bytes.toStringBinary(regionName) + "." + ri.getEncodedName();<a name="line.292"></a>
+<span class="sourceLineNo">293</span> }<a name="line.293"></a>
+<span class="sourceLineNo">294</span> }<a name="line.294"></a>
+<span class="sourceLineNo">295</span><a name="line.295"></a>
+<span class="sourceLineNo">296</span> /**<a name="line.296"></a>
+<span class="sourceLineNo">297</span> * @return Return a String of short, printable names for <code>hris</code><a name="line.297"></a>
+<span class="sourceLineNo">298</span> * (usually encoded name) for us logging.<a name="line.298"></a>
+<span class="sourceLineNo">299</span> */<a name="line.299"></a>
+<span class="sourceLineNo">300</span> static String getShortNameToLog(RegionInfo...hris) {<a name="line.300"></a>
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+<span class="sourceLineNo">302</span> }<a name="line.302"></a>
+<span class="sourceLineNo">303</span><a name="line.303"></a>
+<span class="sourceLineNo">304</span> /**<a name="line.304"></a>
+<span class="sourceLineNo">305</span> * @return Return a String of short, printable names for <code>hris</code><a name="line.305"></a>
+<span class="sourceLineNo">306</span> * (usually encoded name) for us logging.<a name="line.306"></a>
+<span class="sourceLineNo">307</span> */<a name="line.307"></a>
+<span class="sourceLineNo">308</span> static String getShortNameToLog(final List<RegionInfo> ris) {<a name="line.308"></a>
+<span class="sourceLineNo">309</span> return ris.stream().map(ri -> ri.getShortNameToLog()).<a name="line.309"></a>
+<span class="sourceLineNo">310</span> collect(Collectors.toList()).toString();<a name="line.310"></a>
+<span class="sourceLineNo">311</span> }<a name="line.311"></a>
+<span class="sourceLineNo">312</span><a name="line.312"></a>
+<span class="sourceLineNo">313</span> /**<a name="line.313"></a>
+<span class="sourceLineNo">314</span> * Gets the table name from the specified region name.<a name="line.314"></a>
+<span class="sourceLineNo">315</span> * @param regionName to extract the table name from<a name="line.315"></a>
+<span class="sourceLineNo">316</span> * @return Table name<a name="line.316"></a>
+<span class="sourceLineNo">317</span> */<a name="line.317"></a>
+<span class="sourceLineNo">318</span> @InterfaceAudience.Private<a name="line.318"></a>
+<span class="sourceLineNo">319</span> // This method should never be used. Its awful doing parse from bytes.<a name="line.319"></a>
+<span class="sourceLineNo">320</span> // It is fallback in case we can't get the tablename any other way. Could try removing it.<a name="line.320"></a>
+<span class="sourceLineNo">321</span> // Keeping it Audience Private so can remove at later date.<a name="line.321"></a>
+<span class="sourceLineNo">322</span> static TableName getTable(final byte [] regionName) {<a name="line.322"></a>
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+<span class="sourceLineNo">324</span> for (int i = 0; i < regionName.length; i++) {<a name="line.324"></a>
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+<span class="sourceLineNo">327</span> break;<a name="line.327"></a>
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+<span class="sourceLineNo">329</span> }<a name="line.329"></a>
+<span class="sourceLineNo">330</span> if (offset <= 0) {<a name="line.330"></a>
+<span class="sourceLineNo">331</span> throw new IllegalArgumentException("offset=" + offset);<a name="line.331"></a>
+<span class="sourceLineNo">332</span> }<a name="line.332"></a>
+<span class="sourceLineNo">333</span> byte[] buff = new byte[offset];<a name="line.333"></a>
+<span class="sourceLineNo">334</span> System.arraycopy(regionName, 0, buff, 0, offset);<a name="line.334"></a>
+<span class="sourceLineNo">335</span> return TableName.valueOf(buff);<a name="line.335"></a>
+<span class="sourceLineNo">336</span> }<a name="line.336"></a>
+<span class="sourceLineNo">337</span><a name="line.337"></a>
+<span class="sourceLineNo">338</span> /**<a name="line.338"></a>
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+<span class="sourceLineNo">340</span> * @param regionName<a name="line.340"></a>
+<span class="sourceLineNo">341</span> * @return Start key.<a name="line.341"></a>
+<span class="sourceLineNo">342</span> * @throws java.io.IOException<a name="line.342"></a>
+<span class="sourceLineNo">343</span> */<a name="line.343"></a>
+<span class="sourceLineNo">344</span> static byte[] getStartKey(final byte[] regionName) throws IOException {<a name="line.344"></a>
+<span class="sourceLineNo">345</span> return parseRegionName(regionName)[1];<a name="line.345"></a>
+<span class="sourceLineNo">346</span> }<a name="line.346"></a>
+<span class="sourceLineNo">347</span><a name="line.347"></a>
+<span class="sourceLineNo">348</span> @InterfaceAudience.Private<a name="line.348"></a>
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+<span class="sourceLineNo">351</span> parseRegionName(regionName);<a name="line.351"></a>
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+<span class="sourceLineNo">353</span> } catch (IOException e) {<a name="line.353"></a>
+<span class="sourceLineNo">354</span> if (StringUtils.stringifyException(e)<a name="line.354"></a>
+<span class="sourceLineNo">355</span> .contains(INVALID_REGION_NAME_FORMAT_MESSAGE)) {<a name="line.355"></a>
+<span class="sourceLineNo">356</span> return true;<a name="line.356"></a>
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+<span class="sourceLineNo">358</span> throw e;<a name="line.358"></a>
+<span class="sourceLineNo">359</span> }<a name="line.359"></a>
+<span class="sourceLineNo">360</span> }<a name="line.360"></a>
+<span class="sourceLineNo">361</span><a name="line.361"></a>
+<span class="sourceLineNo">362</span> /**<a name="line.362"></a>
+<span class="sourceLineNo">363</span> * @param bytes<a name="line.363"></a>
+<span class="sourceLineNo">364</span> * @return A deserialized {@link RegionInfo}<a name="line.364"></a>
+<span class="sourceLineNo">365</span> * or null if we failed deserialize or passed bytes null<a name="line.365"></a>
+<span class="sourceLineNo">366</span> */<a name="line.366"></a>
+<span class="sourceLineNo">367</span> @InterfaceAudience.Private<a name="line.367"></a>
+<span class="sourceLineNo">368</span> static RegionInfo parseFromOrNull(final byte [] bytes) {<a name="line.368"></a>
+<span class="sourceLineNo">369</span> if (bytes == null) return null;<a name="line.369"></a>
+<span class="sourceLineNo">370</span> return parseFromOrNull(bytes, 0, bytes.length);<a name="line.370"></a>
+<span class="sourceLineNo">371</span> }<a name="line.371"></a>
+<span class="sourceLineNo">372</span><a name="line.372"></a>
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<TRUNCATED>