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| <pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<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 java.nio.ByteBuffer;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.nio.charset.StandardCharsets;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.Arrays;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.Set;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.concurrent.CopyOnWriteArraySet;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span><a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span><a name="line.29"></a> |
| <span class="sourceLineNo">030</span>/**<a name="line.30"></a> |
| <span class="sourceLineNo">031</span> * Immutable POJO class for representing a table name.<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> * Which is of the form:<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> * &lt;table namespace&gt;:&lt;table qualifier&gt;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> *<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> * Two special namespaces:<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> *<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * 1. hbase - system namespace, used to contain hbase internal tables<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> * 2. default - tables with no explicit specified namespace will<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> * automatically fall into this namespace.<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> *<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> * ie<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> *<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> * a) foo:bar, means namespace=foo and qualifier=bar<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> * b) bar, means namespace=default and qualifier=bar<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> * c) default:bar, means namespace=default and qualifier=bar<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> *<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> * <p><a name="line.47"></a> |
| <span class="sourceLineNo">048</span> * Internally, in this class, we cache the instances to limit the number of objects and<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> * make the "equals" faster. We try to minimize the number of objects created of<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> * the number of array copy to check if we already have an instance of this TableName. The code<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * is not optimize for a new instance creation but is optimized to check for existence.<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * </p><a name="line.52"></a> |
| <span class="sourceLineNo">053</span> */<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>@InterfaceAudience.Public<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>public final class TableName implements Comparable<TableName> {<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span> /** See {@link #createTableNameIfNecessary(ByteBuffer, ByteBuffer)} */<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> private static final Set<TableName> tableCache = new CopyOnWriteArraySet<>();<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> /** Namespace delimiter */<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> //this should always be only 1 byte long<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> public final static char NAMESPACE_DELIM = ':';<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> // A non-capture group so that this can be embedded.<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> // regex is a bit more complicated to support nuance of tables<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> // in default namespace<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> //Allows only letters, digits and '_'<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> public static final String VALID_NAMESPACE_REGEX =<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> "(?:[_\\p{Digit}\\p{IsAlphabetic}]+)";<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> //Allows only letters, digits, '_', '-' and '.'<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> public static final String VALID_TABLE_QUALIFIER_REGEX =<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> "(?:[_\\p{Digit}\\p{IsAlphabetic}][-_.\\p{Digit}\\p{IsAlphabetic}]*)";<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> //Concatenation of NAMESPACE_REGEX and TABLE_QUALIFIER_REGEX,<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> //with NAMESPACE_DELIM as delimiter<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> public static final String VALID_USER_TABLE_REGEX =<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> "(?:(?:(?:"+VALID_NAMESPACE_REGEX+"\\"+NAMESPACE_DELIM+")?)" +<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> "(?:"+VALID_TABLE_QUALIFIER_REGEX+"))";<a name="line.77"></a> |
| <span class="sourceLineNo">078</span><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> /** The hbase:meta table's name. */<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> public static final TableName META_TABLE_NAME =<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> valueOf(NamespaceDescriptor.SYSTEM_NAMESPACE_NAME_STR, "meta");<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> /**<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> * The Namespace table's name.<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> * @deprecated since 3.0.0 and will be removed in 4.0.0. We have folded the data in namespace<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> * table into meta table, so do not use it any more.<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> * @see <a href="https://issues.apache.org/jira/browse/HBASE-21154">HBASE-21154</a><a name="line.87"></a> |
| <span class="sourceLineNo">088</span> */<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> @Deprecated<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> public static final TableName NAMESPACE_TABLE_NAME =<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> valueOf(NamespaceDescriptor.SYSTEM_NAMESPACE_NAME_STR, "namespace");<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> public static final String OLD_META_STR = ".META.";<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> public static final String OLD_ROOT_STR = "-ROOT-";<a name="line.94"></a> |
| <span class="sourceLineNo">095</span><a name="line.95"></a> |
| <span class="sourceLineNo">096</span> /** One globally disallowed name */<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> public static final String DISALLOWED_TABLE_NAME = "zookeeper";<a name="line.97"></a> |
| <span class="sourceLineNo">098</span><a name="line.98"></a> |
| <span class="sourceLineNo">099</span> /**<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> * @return True if <code>tn</code> is the hbase:meta table name.<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> */<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> public static boolean isMetaTableName(final TableName tn) {<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> return tn.equals(TableName.META_TABLE_NAME);<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> /**<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> * TableName for old -ROOT- table. It is used to read/process old WALs which have<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> * ROOT edits.<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> */<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> public static final TableName OLD_ROOT_TABLE_NAME = getADummyTableName(OLD_ROOT_STR);<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> /**<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> * TableName for old .META. table. Used in testing.<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> */<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> public static final TableName OLD_META_TABLE_NAME = getADummyTableName(OLD_META_STR);<a name="line.114"></a> |
| <span class="sourceLineNo">115</span><a name="line.115"></a> |
| <span class="sourceLineNo">116</span> private final byte[] name;<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> private final String nameAsString;<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> private final byte[] namespace;<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> private final String namespaceAsString;<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> private final byte[] qualifier;<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> private final String qualifierAsString;<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> private final boolean systemTable;<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> private final int hashCode;<a name="line.123"></a> |
| <span class="sourceLineNo">124</span><a name="line.124"></a> |
| <span class="sourceLineNo">125</span> /**<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> * Check passed byte array, "tableName", is legal user-space table name.<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> * @return Returns passed <code>tableName</code> param<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> * @throws IllegalArgumentException if passed a tableName is null or<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> * is made of other than 'word' characters or underscores: i.e.<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> * <code>[\p{IsAlphabetic}\p{Digit}.-:]</code>. The ':' is used to delimit the namespace<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> * from the table name and can be used for nothing else.<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> *<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> * Namespace names can only contain 'word' characters<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> * <code>[\p{IsAlphabetic}\p{Digit}]</code> or '_'<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> *<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> * Qualifier names can only contain 'word' characters<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> * <code>[\p{IsAlphabetic}\p{Digit}]</code> or '_', '.' or '-'.<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> * The name may not start with '.' or '-'.<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> *<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> * Valid fully qualified table names:<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> * foo:bar, namespace=&gt;foo, table=&gt;bar<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> * org:foo.bar, namespace=org, table=&gt;foo.bar<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> */<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> public static byte [] isLegalFullyQualifiedTableName(final byte[] tableName) {<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> if (tableName == null || tableName.length <= 0) {<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> throw new IllegalArgumentException("Name is null or empty");<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> int namespaceDelimIndex =<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> org.apache.hbase.thirdparty.com.google.common.primitives.Bytes.lastIndexOf(tableName,<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> (byte) NAMESPACE_DELIM);<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> if (namespaceDelimIndex < 0){<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> isLegalTableQualifierName(tableName);<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> } else {<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> isLegalNamespaceName(tableName, 0, namespaceDelimIndex);<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> isLegalTableQualifierName(tableName, namespaceDelimIndex + 1, tableName.length);<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> }<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> return tableName;<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> }<a name="line.159"></a> |
| <span class="sourceLineNo">160</span><a name="line.160"></a> |
| <span class="sourceLineNo">161</span> public static byte [] isLegalTableQualifierName(final byte[] qualifierName) {<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> isLegalTableQualifierName(qualifierName, 0, qualifierName.length, false);<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> return qualifierName;<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> }<a name="line.164"></a> |
| <span class="sourceLineNo">165</span><a name="line.165"></a> |
| <span class="sourceLineNo">166</span> public static byte [] isLegalTableQualifierName(final byte[] qualifierName, boolean isSnapshot) {<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> isLegalTableQualifierName(qualifierName, 0, qualifierName.length, isSnapshot);<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> return qualifierName;<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> }<a name="line.169"></a> |
| <span class="sourceLineNo">170</span><a name="line.170"></a> |
| <span class="sourceLineNo">171</span><a name="line.171"></a> |
| <span class="sourceLineNo">172</span> /**<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> * Qualifier names can only contain 'word' characters<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> * <code>[\p{IsAlphabetic}\p{Digit}]</code> or '_', '.' or '-'.<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> * The name may not start with '.' or '-'.<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> *<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> * @param qualifierName byte array containing the qualifier name<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> * @param start start index<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> * @param end end index (exclusive)<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> */<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> public static void isLegalTableQualifierName(final byte[] qualifierName,<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> int start,<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> int end) {<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> isLegalTableQualifierName(qualifierName, start, end, false);<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> }<a name="line.185"></a> |
| <span class="sourceLineNo">186</span><a name="line.186"></a> |
| <span class="sourceLineNo">187</span> public static void isLegalTableQualifierName(final byte[] qualifierName,<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> int start,<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> int end,<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> boolean isSnapshot) {<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> if(end - start < 1) {<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> throw new IllegalArgumentException(isSnapshot ? "Snapshot" : "Table" + " qualifier must not be empty");<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> }<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> if (qualifierName[start] == '.' || qualifierName[start] == '-') {<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> throw new IllegalArgumentException("Illegal first character <" + qualifierName[start] +<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> "> at 0. " + (isSnapshot ? "Snapshot" : "User-space table") +<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> " qualifiers can only start with 'alphanumeric " +<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> "characters' from any language: " +<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> Bytes.toString(qualifierName, start, end));<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> }<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> // Treat the bytes as UTF-8<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> String qualifierString = new String(<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> qualifierName, start, (end - start), StandardCharsets.UTF_8);<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> if (qualifierString.equals(DISALLOWED_TABLE_NAME)) {<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> // Per https://zookeeper.apache.org/doc/r3.4.10/zookeeperProgrammers.html#ch_zkDataModel<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> // A znode named "zookeeper" is disallowed by zookeeper.<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> throw new IllegalArgumentException("Tables may not be named '" + DISALLOWED_TABLE_NAME + "'");<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> }<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> for (int i = 0; i < qualifierString.length(); i++) {<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> // Treat the string as a char-array as some characters may be multi-byte<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> char c = qualifierString.charAt(i);<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> // Check for letter, digit, underscore, hyphen, or period, and allowed by ZK.<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> // ZooKeeper also has limitations, but Character.isAlphabetic omits those all<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> // See https://zookeeper.apache.org/doc/r3.4.10/zookeeperProgrammers.html#ch_zkDataModel<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> if (Character.isAlphabetic(c) || Character.isDigit(c) || c == '_' || c == '-' || c == '.') {<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> continue;<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> }<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> throw new IllegalArgumentException("Illegal character code:" + (int) c + ", <" + c + "> at " +<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> i + ". " + (isSnapshot ? "Snapshot" : "User-space table") +<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> " qualifiers may only contain 'alphanumeric characters' and digits: " +<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> qualifierString);<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> }<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> public static void isLegalNamespaceName(byte[] namespaceName) {<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> isLegalNamespaceName(namespaceName, 0, namespaceName.length);<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> }<a name="line.227"></a> |
| <span class="sourceLineNo">228</span><a name="line.228"></a> |
| <span class="sourceLineNo">229</span> /**<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> * Valid namespace characters are alphabetic characters, numbers, and underscores.<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> */<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> public static void isLegalNamespaceName(final byte[] namespaceName,<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> final int start,<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> final int end) {<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> if(end - start < 1) {<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> throw new IllegalArgumentException("Namespace name must not be empty");<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> }<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> String nsString = new String(namespaceName, start, (end - start), StandardCharsets.UTF_8);<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> if (nsString.equals(DISALLOWED_TABLE_NAME)) {<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> // Per https://zookeeper.apache.org/doc/r3.4.10/zookeeperProgrammers.html#ch_zkDataModel<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> // A znode named "zookeeper" is disallowed by zookeeper.<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> throw new IllegalArgumentException("Tables may not be named '" + DISALLOWED_TABLE_NAME + "'");<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> }<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> for (int i = 0; i < nsString.length(); i++) {<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> // Treat the string as a char-array as some characters may be multi-byte<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> char c = nsString.charAt(i);<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> // ZooKeeper also has limitations, but Character.isAlphabetic omits those all<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> // See https://zookeeper.apache.org/doc/r3.4.10/zookeeperProgrammers.html#ch_zkDataModel<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> if (Character.isAlphabetic(c) || Character.isDigit(c)|| c == '_') {<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> continue;<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> }<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> throw new IllegalArgumentException("Illegal character <" + c +<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> "> at " + i + ". Namespaces may only contain " +<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> "'alphanumeric characters' from any language and digits: " + nsString);<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> }<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> }<a name="line.256"></a> |
| <span class="sourceLineNo">257</span><a name="line.257"></a> |
| <span class="sourceLineNo">258</span> public byte[] getName() {<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> return name;<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> }<a name="line.260"></a> |
| <span class="sourceLineNo">261</span><a name="line.261"></a> |
| <span class="sourceLineNo">262</span> public String getNameAsString() {<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> return nameAsString;<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> }<a name="line.264"></a> |
| <span class="sourceLineNo">265</span><a name="line.265"></a> |
| <span class="sourceLineNo">266</span> public byte[] getNamespace() {<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> return namespace;<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> }<a name="line.268"></a> |
| <span class="sourceLineNo">269</span><a name="line.269"></a> |
| <span class="sourceLineNo">270</span> public String getNamespaceAsString() {<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> return namespaceAsString;<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> }<a name="line.272"></a> |
| <span class="sourceLineNo">273</span><a name="line.273"></a> |
| <span class="sourceLineNo">274</span> /**<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> * Ideally, getNameAsString should contain namespace within it,<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> * but if the namespace is default, it just returns the name. This method<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> * takes care of this corner case.<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> */<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> public String getNameWithNamespaceInclAsString() {<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> if(getNamespaceAsString().equals(NamespaceDescriptor.DEFAULT_NAMESPACE_NAME_STR)) {<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> return NamespaceDescriptor.DEFAULT_NAMESPACE_NAME_STR +<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> TableName.NAMESPACE_DELIM + getNameAsString();<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> }<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> return getNameAsString();<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> }<a name="line.285"></a> |
| <span class="sourceLineNo">286</span><a name="line.286"></a> |
| <span class="sourceLineNo">287</span> public byte[] getQualifier() {<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> return qualifier;<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> }<a name="line.289"></a> |
| <span class="sourceLineNo">290</span><a name="line.290"></a> |
| <span class="sourceLineNo">291</span> public String getQualifierAsString() {<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> return qualifierAsString;<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> public byte[] toBytes() {<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> return name;<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> }<a name="line.297"></a> |
| <span class="sourceLineNo">298</span><a name="line.298"></a> |
| <span class="sourceLineNo">299</span> public boolean isSystemTable() {<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> return systemTable;<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> }<a name="line.301"></a> |
| <span class="sourceLineNo">302</span><a name="line.302"></a> |
| <span class="sourceLineNo">303</span> @Override<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> public String toString() {<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> return nameAsString;<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> }<a name="line.306"></a> |
| <span class="sourceLineNo">307</span><a name="line.307"></a> |
| <span class="sourceLineNo">308</span> /**<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> *<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> * @throws IllegalArgumentException See {@link #valueOf(byte[])}<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> */<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> private TableName(ByteBuffer namespace, ByteBuffer qualifier) throws IllegalArgumentException {<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> this.qualifier = new byte[qualifier.remaining()];<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> qualifier.duplicate().get(this.qualifier);<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> this.qualifierAsString = Bytes.toString(this.qualifier);<a name="line.315"></a> |
| <span class="sourceLineNo">316</span><a name="line.316"></a> |
| <span class="sourceLineNo">317</span> if (qualifierAsString.equals(OLD_ROOT_STR)) {<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> throw new IllegalArgumentException(OLD_ROOT_STR + " has been deprecated.");<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> }<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> if (qualifierAsString.equals(OLD_META_STR)) {<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> throw new IllegalArgumentException(OLD_META_STR + " no longer exists. The table has been " +<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> "renamed to " + META_TABLE_NAME);<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> }<a name="line.323"></a> |
| <span class="sourceLineNo">324</span><a name="line.324"></a> |
| <span class="sourceLineNo">325</span> if (Bytes.equals(NamespaceDescriptor.DEFAULT_NAMESPACE_NAME, namespace)) {<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> // Using the same objects: this will make the comparison faster later<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> this.namespace = NamespaceDescriptor.DEFAULT_NAMESPACE_NAME;<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> this.namespaceAsString = NamespaceDescriptor.DEFAULT_NAMESPACE_NAME_STR;<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> this.systemTable = false;<a name="line.329"></a> |
| <span class="sourceLineNo">330</span><a name="line.330"></a> |
| <span class="sourceLineNo">331</span> // The name does not include the namespace when it's the default one.<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> this.nameAsString = qualifierAsString;<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> this.name = this.qualifier;<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> } else {<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> if (Bytes.equals(NamespaceDescriptor.SYSTEM_NAMESPACE_NAME, namespace)) {<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> this.namespace = NamespaceDescriptor.SYSTEM_NAMESPACE_NAME;<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> this.namespaceAsString = NamespaceDescriptor.SYSTEM_NAMESPACE_NAME_STR;<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> this.systemTable = true;<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> } else {<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> this.namespace = new byte[namespace.remaining()];<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> namespace.duplicate().get(this.namespace);<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> this.namespaceAsString = Bytes.toString(this.namespace);<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> this.systemTable = false;<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> }<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> this.nameAsString = namespaceAsString + NAMESPACE_DELIM + qualifierAsString;<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> this.name = Bytes.toBytes(nameAsString);<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> }<a name="line.347"></a> |
| <span class="sourceLineNo">348</span><a name="line.348"></a> |
| <span class="sourceLineNo">349</span> this.hashCode = nameAsString.hashCode();<a name="line.349"></a> |
| <span class="sourceLineNo">350</span><a name="line.350"></a> |
| <span class="sourceLineNo">351</span> isLegalNamespaceName(this.namespace);<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> isLegalTableQualifierName(this.qualifier);<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> }<a name="line.353"></a> |
| <span class="sourceLineNo">354</span><a name="line.354"></a> |
| <span class="sourceLineNo">355</span> /**<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> * This is only for the old and meta tables.<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> */<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> private TableName(String qualifier) {<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> this.qualifier = Bytes.toBytes(qualifier);<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> this.qualifierAsString = qualifier;<a name="line.360"></a> |
| <span class="sourceLineNo">361</span><a name="line.361"></a> |
| <span class="sourceLineNo">362</span> this.namespace = NamespaceDescriptor.SYSTEM_NAMESPACE_NAME;<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> this.namespaceAsString = NamespaceDescriptor.SYSTEM_NAMESPACE_NAME_STR;<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> this.systemTable = true;<a name="line.364"></a> |
| <span class="sourceLineNo">365</span><a name="line.365"></a> |
| <span class="sourceLineNo">366</span> // WARNING: nameAsString is different than name for old meta & root!<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> // This is by design.<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> this.nameAsString = namespaceAsString + NAMESPACE_DELIM + qualifierAsString;<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> this.name = this.qualifier;<a name="line.369"></a> |
| <span class="sourceLineNo">370</span><a name="line.370"></a> |
| <span class="sourceLineNo">371</span> this.hashCode = nameAsString.hashCode();<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> }<a name="line.372"></a> |
| <span class="sourceLineNo">373</span><a name="line.373"></a> |
| <span class="sourceLineNo">374</span><a name="line.374"></a> |
| <span class="sourceLineNo">375</span> /**<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> * Check that the object does not exist already. There are two reasons for creating the objects<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> * only once:<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> * 1) With 100K regions, the table names take ~20MB.<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> * 2) Equals becomes much faster as it's resolved with a reference and an int comparison.<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> */<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> private static TableName createTableNameIfNecessary(ByteBuffer bns, ByteBuffer qns) {<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> for (TableName tn : tableCache) {<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> if (Bytes.equals(tn.getQualifier(), qns) && Bytes.equals(tn.getNamespace(), bns)) {<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> return tn;<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> }<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> }<a name="line.386"></a> |
| <span class="sourceLineNo">387</span><a name="line.387"></a> |
| <span class="sourceLineNo">388</span> TableName newTable = new TableName(bns, qns);<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> if (tableCache.add(newTable)) { // Adds the specified element if it is not already present<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> return newTable;<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> }<a name="line.391"></a> |
| <span class="sourceLineNo">392</span><a name="line.392"></a> |
| <span class="sourceLineNo">393</span> // Someone else added it. Let's find it.<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> for (TableName tn : tableCache) {<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> if (Bytes.equals(tn.getQualifier(), qns) && Bytes.equals(tn.getNamespace(), bns)) {<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> return tn;<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> }<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> }<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> // this should never happen.<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> throw new IllegalStateException(newTable + " was supposed to be in the cache");<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> }<a name="line.401"></a> |
| <span class="sourceLineNo">402</span><a name="line.402"></a> |
| <span class="sourceLineNo">403</span><a name="line.403"></a> |
| <span class="sourceLineNo">404</span> /**<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> * It is used to create table names for old META, and ROOT table.<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> * These tables are not really legal tables. They are not added into the cache.<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> * @return a dummy TableName instance (with no validation) for the passed qualifier<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> */<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> private static TableName getADummyTableName(String qualifier) {<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> return new TableName(qualifier);<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> }<a name="line.411"></a> |
| <span class="sourceLineNo">412</span><a name="line.412"></a> |
| <span class="sourceLineNo">413</span><a name="line.413"></a> |
| <span class="sourceLineNo">414</span> public static TableName valueOf(String namespaceAsString, String qualifierAsString) {<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> if (namespaceAsString == null || namespaceAsString.length() < 1) {<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> namespaceAsString = NamespaceDescriptor.DEFAULT_NAMESPACE_NAME_STR;<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> }<a name="line.417"></a> |
| <span class="sourceLineNo">418</span><a name="line.418"></a> |
| <span class="sourceLineNo">419</span> for (TableName tn : tableCache) {<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> if (qualifierAsString.equals(tn.getQualifierAsString()) &&<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> namespaceAsString.equals(tn.getNamespaceAsString())) {<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> return tn;<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> }<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> }<a name="line.424"></a> |
| <span class="sourceLineNo">425</span><a name="line.425"></a> |
| <span class="sourceLineNo">426</span> return createTableNameIfNecessary(<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> ByteBuffer.wrap(Bytes.toBytes(namespaceAsString)),<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> ByteBuffer.wrap(Bytes.toBytes(qualifierAsString)));<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> }<a name="line.429"></a> |
| <span class="sourceLineNo">430</span><a name="line.430"></a> |
| <span class="sourceLineNo">431</span><a name="line.431"></a> |
| <span class="sourceLineNo">432</span> /**<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> * @throws IllegalArgumentException if fullName equals old root or old meta. Some code<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> * depends on this. The test is buried in the table creation to save on array comparison<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> * when we're creating a standard table object that will be in the cache.<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> */<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> public static TableName valueOf(byte[] fullName) throws IllegalArgumentException{<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> for (TableName tn : tableCache) {<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> if (Arrays.equals(tn.getName(), fullName)) {<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> return tn;<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> }<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> }<a name="line.442"></a> |
| <span class="sourceLineNo">443</span><a name="line.443"></a> |
| <span class="sourceLineNo">444</span> int namespaceDelimIndex =<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> org.apache.hbase.thirdparty.com.google.common.primitives.Bytes.lastIndexOf(fullName,<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> (byte) NAMESPACE_DELIM);<a name="line.446"></a> |
| <span class="sourceLineNo">447</span><a name="line.447"></a> |
| <span class="sourceLineNo">448</span> if (namespaceDelimIndex < 0) {<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> return createTableNameIfNecessary(<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> ByteBuffer.wrap(NamespaceDescriptor.DEFAULT_NAMESPACE_NAME),<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> ByteBuffer.wrap(fullName));<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> } else {<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> return createTableNameIfNecessary(<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> ByteBuffer.wrap(fullName, 0, namespaceDelimIndex),<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> ByteBuffer.wrap(fullName, namespaceDelimIndex + 1,<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> fullName.length - (namespaceDelimIndex + 1)));<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> }<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> }<a name="line.458"></a> |
| <span class="sourceLineNo">459</span><a name="line.459"></a> |
| <span class="sourceLineNo">460</span><a name="line.460"></a> |
| <span class="sourceLineNo">461</span> /**<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> * @throws IllegalArgumentException if fullName equals old root or old meta. Some code<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> * depends on this.<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> */<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> public static TableName valueOf(String name) {<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> for (TableName tn : tableCache) {<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> if (name.equals(tn.getNameAsString())) {<a name="line.467"></a> |
| <span class="sourceLineNo">468</span> return tn;<a name="line.468"></a> |
| <span class="sourceLineNo">469</span> }<a name="line.469"></a> |
| <span class="sourceLineNo">470</span> }<a name="line.470"></a> |
| <span class="sourceLineNo">471</span><a name="line.471"></a> |
| <span class="sourceLineNo">472</span> final int namespaceDelimIndex = name.indexOf(NAMESPACE_DELIM);<a name="line.472"></a> |
| <span class="sourceLineNo">473</span><a name="line.473"></a> |
| <span class="sourceLineNo">474</span> if (namespaceDelimIndex < 0) {<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> return createTableNameIfNecessary(<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> ByteBuffer.wrap(NamespaceDescriptor.DEFAULT_NAMESPACE_NAME),<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> ByteBuffer.wrap(Bytes.toBytes(name)));<a name="line.477"></a> |
| <span class="sourceLineNo">478</span> } else {<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> // indexOf is by character, not byte (consider multi-byte characters)<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> String ns = name.substring(0, namespaceDelimIndex);<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> String qualifier = name.substring(namespaceDelimIndex + 1);<a name="line.481"></a> |
| <span class="sourceLineNo">482</span> return createTableNameIfNecessary(<a name="line.482"></a> |
| <span class="sourceLineNo">483</span> ByteBuffer.wrap(Bytes.toBytes(ns)),<a name="line.483"></a> |
| <span class="sourceLineNo">484</span> ByteBuffer.wrap(Bytes.toBytes(qualifier)));<a name="line.484"></a> |
| <span class="sourceLineNo">485</span> }<a name="line.485"></a> |
| <span class="sourceLineNo">486</span> }<a name="line.486"></a> |
| <span class="sourceLineNo">487</span><a name="line.487"></a> |
| <span class="sourceLineNo">488</span><a name="line.488"></a> |
| <span class="sourceLineNo">489</span> public static TableName valueOf(byte[] namespace, byte[] qualifier) {<a name="line.489"></a> |
| <span class="sourceLineNo">490</span> if (namespace == null || namespace.length < 1) {<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> namespace = NamespaceDescriptor.DEFAULT_NAMESPACE_NAME;<a name="line.491"></a> |
| <span class="sourceLineNo">492</span> }<a name="line.492"></a> |
| <span class="sourceLineNo">493</span><a name="line.493"></a> |
| <span class="sourceLineNo">494</span> for (TableName tn : tableCache) {<a name="line.494"></a> |
| <span class="sourceLineNo">495</span> if (Arrays.equals(tn.getQualifier(), qualifier) &&<a name="line.495"></a> |
| <span class="sourceLineNo">496</span> Arrays.equals(tn.getNamespace(), namespace)) {<a name="line.496"></a> |
| <span class="sourceLineNo">497</span> return tn;<a name="line.497"></a> |
| <span class="sourceLineNo">498</span> }<a name="line.498"></a> |
| <span class="sourceLineNo">499</span> }<a name="line.499"></a> |
| <span class="sourceLineNo">500</span><a name="line.500"></a> |
| <span class="sourceLineNo">501</span> return createTableNameIfNecessary(<a name="line.501"></a> |
| <span class="sourceLineNo">502</span> ByteBuffer.wrap(namespace), ByteBuffer.wrap(qualifier));<a name="line.502"></a> |
| <span class="sourceLineNo">503</span> }<a name="line.503"></a> |
| <span class="sourceLineNo">504</span><a name="line.504"></a> |
| <span class="sourceLineNo">505</span> public static TableName valueOf(ByteBuffer namespace, ByteBuffer qualifier) {<a name="line.505"></a> |
| <span class="sourceLineNo">506</span> if (namespace == null || namespace.remaining() < 1) {<a name="line.506"></a> |
| <span class="sourceLineNo">507</span> return createTableNameIfNecessary(<a name="line.507"></a> |
| <span class="sourceLineNo">508</span> ByteBuffer.wrap(NamespaceDescriptor.DEFAULT_NAMESPACE_NAME), qualifier);<a name="line.508"></a> |
| <span class="sourceLineNo">509</span> }<a name="line.509"></a> |
| <span class="sourceLineNo">510</span><a name="line.510"></a> |
| <span class="sourceLineNo">511</span> return createTableNameIfNecessary(namespace, qualifier);<a name="line.511"></a> |
| <span class="sourceLineNo">512</span> }<a name="line.512"></a> |
| <span class="sourceLineNo">513</span><a name="line.513"></a> |
| <span class="sourceLineNo">514</span> @Override<a name="line.514"></a> |
| <span class="sourceLineNo">515</span> public boolean equals(Object o) {<a name="line.515"></a> |
| <span class="sourceLineNo">516</span> if (this == o) return true;<a name="line.516"></a> |
| <span class="sourceLineNo">517</span> if (o == null || getClass() != o.getClass()) return false;<a name="line.517"></a> |
| <span class="sourceLineNo">518</span><a name="line.518"></a> |
| <span class="sourceLineNo">519</span> TableName tableName = (TableName) o;<a name="line.519"></a> |
| <span class="sourceLineNo">520</span><a name="line.520"></a> |
| <span class="sourceLineNo">521</span> return o.hashCode() == hashCode && nameAsString.equals(tableName.nameAsString);<a name="line.521"></a> |
| <span class="sourceLineNo">522</span> }<a name="line.522"></a> |
| <span class="sourceLineNo">523</span><a name="line.523"></a> |
| <span class="sourceLineNo">524</span> @Override<a name="line.524"></a> |
| <span class="sourceLineNo">525</span> public int hashCode() {<a name="line.525"></a> |
| <span class="sourceLineNo">526</span> return hashCode;<a name="line.526"></a> |
| <span class="sourceLineNo">527</span> }<a name="line.527"></a> |
| <span class="sourceLineNo">528</span><a name="line.528"></a> |
| <span class="sourceLineNo">529</span> /**<a name="line.529"></a> |
| <span class="sourceLineNo">530</span> * For performance reasons, the ordering is not lexicographic.<a name="line.530"></a> |
| <span class="sourceLineNo">531</span> */<a name="line.531"></a> |
| <span class="sourceLineNo">532</span> @Override<a name="line.532"></a> |
| <span class="sourceLineNo">533</span> public int compareTo(TableName tableName) {<a name="line.533"></a> |
| <span class="sourceLineNo">534</span> if (this == tableName) return 0;<a name="line.534"></a> |
| <span class="sourceLineNo">535</span> if (this.hashCode < tableName.hashCode()) {<a name="line.535"></a> |
| <span class="sourceLineNo">536</span> return -1;<a name="line.536"></a> |
| <span class="sourceLineNo">537</span> }<a name="line.537"></a> |
| <span class="sourceLineNo">538</span> if (this.hashCode > tableName.hashCode()) {<a name="line.538"></a> |
| <span class="sourceLineNo">539</span> return 1;<a name="line.539"></a> |
| <span class="sourceLineNo">540</span> }<a name="line.540"></a> |
| <span class="sourceLineNo">541</span> return this.nameAsString.compareTo(tableName.getNameAsString());<a name="line.541"></a> |
| <span class="sourceLineNo">542</span> }<a name="line.542"></a> |
| <span class="sourceLineNo">543</span><a name="line.543"></a> |
| <span class="sourceLineNo">544</span>}<a name="line.544"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
