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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>package org.apache.hadoop.hbase.util;<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.20"></a>
<span class="sourceLineNo">021</span><a name="line.21"></a>
<span class="sourceLineNo">022</span>/**<a name="line.22"></a>
<span class="sourceLineNo">023</span> * Extends the basic {@link SimpleMutableByteRange} implementation with position support and it is a<a name="line.23"></a>
<span class="sourceLineNo">024</span> * readonly version. {@code position} is considered transient, not fundamental to the definition of<a name="line.24"></a>
<span class="sourceLineNo">025</span> * the range, and does not participate in {@link #compareTo(ByteRange)}, {@link #hashCode()}, or<a name="line.25"></a>
<span class="sourceLineNo">026</span> * {@link #equals(Object)}. {@code Position} is retained by copy operations.<a name="line.26"></a>
<span class="sourceLineNo">027</span> */<a name="line.27"></a>
<span class="sourceLineNo">028</span>@InterfaceAudience.Public<a name="line.28"></a>
<span class="sourceLineNo">029</span>@edu.umd.cs.findbugs.annotations.SuppressWarnings("EQ_DOESNT_OVERRIDE_EQUALS")<a name="line.29"></a>
<span class="sourceLineNo">030</span>public class SimplePositionedByteRange extends AbstractPositionedByteRange {<a name="line.30"></a>
<span class="sourceLineNo">031</span><a name="line.31"></a>
<span class="sourceLineNo">032</span> /**<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Create a new {@code PositionedByteRange} lacking a backing array and with an undefined<a name="line.33"></a>
<span class="sourceLineNo">034</span> * viewport.<a name="line.34"></a>
<span class="sourceLineNo">035</span> */<a name="line.35"></a>
<span class="sourceLineNo">036</span> public SimplePositionedByteRange() {<a name="line.36"></a>
<span class="sourceLineNo">037</span> super();<a name="line.37"></a>
<span class="sourceLineNo">038</span> }<a name="line.38"></a>
<span class="sourceLineNo">039</span><a name="line.39"></a>
<span class="sourceLineNo">040</span> /**<a name="line.40"></a>
<span class="sourceLineNo">041</span> * Create a new {@code PositionedByteRange} over a new backing array of size {@code capacity}. The<a name="line.41"></a>
<span class="sourceLineNo">042</span> * range's offset and length are 0 and {@code capacity}, respectively.<a name="line.42"></a>
<span class="sourceLineNo">043</span> * @param capacity the size of the backing array.<a name="line.43"></a>
<span class="sourceLineNo">044</span> */<a name="line.44"></a>
<span class="sourceLineNo">045</span> public SimplePositionedByteRange(int capacity) {<a name="line.45"></a>
<span class="sourceLineNo">046</span> this(new byte[capacity]);<a name="line.46"></a>
<span class="sourceLineNo">047</span> }<a name="line.47"></a>
<span class="sourceLineNo">048</span><a name="line.48"></a>
<span class="sourceLineNo">049</span> /**<a name="line.49"></a>
<span class="sourceLineNo">050</span> * Create a new {@code PositionedByteRange} over the provided {@code bytes}.<a name="line.50"></a>
<span class="sourceLineNo">051</span> * @param bytes The array to wrap.<a name="line.51"></a>
<span class="sourceLineNo">052</span> */<a name="line.52"></a>
<span class="sourceLineNo">053</span> public SimplePositionedByteRange(byte[] bytes) {<a name="line.53"></a>
<span class="sourceLineNo">054</span> set(bytes);<a name="line.54"></a>
<span class="sourceLineNo">055</span> }<a name="line.55"></a>
<span class="sourceLineNo">056</span><a name="line.56"></a>
<span class="sourceLineNo">057</span> /**<a name="line.57"></a>
<span class="sourceLineNo">058</span> * Create a new {@code PositionedByteRange} over the provided {@code bytes}.<a name="line.58"></a>
<span class="sourceLineNo">059</span> * @param bytes The array to wrap.<a name="line.59"></a>
<span class="sourceLineNo">060</span> * @param offset The offset into {@code bytes} considered the beginning of this range.<a name="line.60"></a>
<span class="sourceLineNo">061</span> * @param length The length of this range.<a name="line.61"></a>
<span class="sourceLineNo">062</span> */<a name="line.62"></a>
<span class="sourceLineNo">063</span> public SimplePositionedByteRange(byte[] bytes, int offset, int length) {<a name="line.63"></a>
<span class="sourceLineNo">064</span> set(bytes, offset, length);<a name="line.64"></a>
<span class="sourceLineNo">065</span> }<a name="line.65"></a>
<span class="sourceLineNo">066</span><a name="line.66"></a>
<span class="sourceLineNo">067</span> @Override<a name="line.67"></a>
<span class="sourceLineNo">068</span> public PositionedByteRange set(int capacity) {<a name="line.68"></a>
<span class="sourceLineNo">069</span> if (super.bytes != null) {<a name="line.69"></a>
<span class="sourceLineNo">070</span> throw new ReadOnlyByteRangeException();<a name="line.70"></a>
<span class="sourceLineNo">071</span> }<a name="line.71"></a>
<span class="sourceLineNo">072</span> return super.set(capacity);<a name="line.72"></a>
<span class="sourceLineNo">073</span> }<a name="line.73"></a>
<span class="sourceLineNo">074</span><a name="line.74"></a>
<span class="sourceLineNo">075</span> @Override<a name="line.75"></a>
<span class="sourceLineNo">076</span> public PositionedByteRange set(byte[] bytes) {<a name="line.76"></a>
<span class="sourceLineNo">077</span> if (super.bytes != null) {<a name="line.77"></a>
<span class="sourceLineNo">078</span> throw new ReadOnlyByteRangeException();<a name="line.78"></a>
<span class="sourceLineNo">079</span> }<a name="line.79"></a>
<span class="sourceLineNo">080</span> return super.set(bytes);<a name="line.80"></a>
<span class="sourceLineNo">081</span> }<a name="line.81"></a>
<span class="sourceLineNo">082</span><a name="line.82"></a>
<span class="sourceLineNo">083</span> @Override<a name="line.83"></a>
<span class="sourceLineNo">084</span> public PositionedByteRange set(byte[] bytes, int offset, int length) {<a name="line.84"></a>
<span class="sourceLineNo">085</span> if (super.bytes != null) {<a name="line.85"></a>
<span class="sourceLineNo">086</span> throw new ReadOnlyByteRangeException();<a name="line.86"></a>
<span class="sourceLineNo">087</span> }<a name="line.87"></a>
<span class="sourceLineNo">088</span> return super.set(bytes, offset, length);<a name="line.88"></a>
<span class="sourceLineNo">089</span> }<a name="line.89"></a>
<span class="sourceLineNo">090</span><a name="line.90"></a>
<span class="sourceLineNo">091</span> @Override<a name="line.91"></a>
<span class="sourceLineNo">092</span> public PositionedByteRange put(byte val) {<a name="line.92"></a>
<span class="sourceLineNo">093</span> throw new ReadOnlyByteRangeException();<a name="line.93"></a>
<span class="sourceLineNo">094</span> }<a name="line.94"></a>
<span class="sourceLineNo">095</span><a name="line.95"></a>
<span class="sourceLineNo">096</span> @Override<a name="line.96"></a>
<span class="sourceLineNo">097</span> public PositionedByteRange putShort(short val) {<a name="line.97"></a>
<span class="sourceLineNo">098</span> throw new ReadOnlyByteRangeException();<a name="line.98"></a>
<span class="sourceLineNo">099</span> }<a name="line.99"></a>
<span class="sourceLineNo">100</span><a name="line.100"></a>
<span class="sourceLineNo">101</span> @Override<a name="line.101"></a>
<span class="sourceLineNo">102</span> public PositionedByteRange putInt(int val) {<a name="line.102"></a>
<span class="sourceLineNo">103</span> throw new ReadOnlyByteRangeException();<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> @Override<a name="line.106"></a>
<span class="sourceLineNo">107</span> public PositionedByteRange putLong(long val) {<a name="line.107"></a>
<span class="sourceLineNo">108</span> throw new ReadOnlyByteRangeException();<a name="line.108"></a>
<span class="sourceLineNo">109</span> }<a name="line.109"></a>
<span class="sourceLineNo">110</span><a name="line.110"></a>
<span class="sourceLineNo">111</span> @Override<a name="line.111"></a>
<span class="sourceLineNo">112</span> public int putVLong(long val) {<a name="line.112"></a>
<span class="sourceLineNo">113</span> throw new ReadOnlyByteRangeException();<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> @Override<a name="line.116"></a>
<span class="sourceLineNo">117</span> public PositionedByteRange put(byte[] val) {<a name="line.117"></a>
<span class="sourceLineNo">118</span> throw new ReadOnlyByteRangeException();<a name="line.118"></a>
<span class="sourceLineNo">119</span> }<a name="line.119"></a>
<span class="sourceLineNo">120</span><a name="line.120"></a>
<span class="sourceLineNo">121</span> @Override<a name="line.121"></a>
<span class="sourceLineNo">122</span> public PositionedByteRange put(byte[] val, int offset, int length) {<a name="line.122"></a>
<span class="sourceLineNo">123</span> throw new ReadOnlyByteRangeException();<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> @Override<a name="line.126"></a>
<span class="sourceLineNo">127</span> public PositionedByteRange get(int index, byte[] dst) {<a name="line.127"></a>
<span class="sourceLineNo">128</span> super.get(index, dst);<a name="line.128"></a>
<span class="sourceLineNo">129</span> return this;<a name="line.129"></a>
<span class="sourceLineNo">130</span> }<a name="line.130"></a>
<span class="sourceLineNo">131</span><a name="line.131"></a>
<span class="sourceLineNo">132</span> @Override<a name="line.132"></a>
<span class="sourceLineNo">133</span> public PositionedByteRange get(int index, byte[] dst, int offset, int length) {<a name="line.133"></a>
<span class="sourceLineNo">134</span> super.get(index, dst, offset, length);<a name="line.134"></a>
<span class="sourceLineNo">135</span> return this;<a name="line.135"></a>
<span class="sourceLineNo">136</span> }<a name="line.136"></a>
<span class="sourceLineNo">137</span><a name="line.137"></a>
<span class="sourceLineNo">138</span> @Override<a name="line.138"></a>
<span class="sourceLineNo">139</span> public PositionedByteRange put(int index, byte val) {<a name="line.139"></a>
<span class="sourceLineNo">140</span> throw new ReadOnlyByteRangeException();<a name="line.140"></a>
<span class="sourceLineNo">141</span> }<a name="line.141"></a>
<span class="sourceLineNo">142</span><a name="line.142"></a>
<span class="sourceLineNo">143</span> @Override<a name="line.143"></a>
<span class="sourceLineNo">144</span> public PositionedByteRange putShort(int index, short val) {<a name="line.144"></a>
<span class="sourceLineNo">145</span> throw new ReadOnlyByteRangeException();<a name="line.145"></a>
<span class="sourceLineNo">146</span> }<a name="line.146"></a>
<span class="sourceLineNo">147</span><a name="line.147"></a>
<span class="sourceLineNo">148</span> @Override<a name="line.148"></a>
<span class="sourceLineNo">149</span> public PositionedByteRange putInt(int index, int val) {<a name="line.149"></a>
<span class="sourceLineNo">150</span> throw new ReadOnlyByteRangeException();<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> @Override<a name="line.153"></a>
<span class="sourceLineNo">154</span> public int putVLong(int index, long val) {<a name="line.154"></a>
<span class="sourceLineNo">155</span> throw new ReadOnlyByteRangeException();<a name="line.155"></a>
<span class="sourceLineNo">156</span> }<a name="line.156"></a>
<span class="sourceLineNo">157</span><a name="line.157"></a>
<span class="sourceLineNo">158</span> @Override<a name="line.158"></a>
<span class="sourceLineNo">159</span> public PositionedByteRange putLong(int index, long val) {<a name="line.159"></a>
<span class="sourceLineNo">160</span> throw new ReadOnlyByteRangeException();<a name="line.160"></a>
<span class="sourceLineNo">161</span> }<a name="line.161"></a>
<span class="sourceLineNo">162</span><a name="line.162"></a>
<span class="sourceLineNo">163</span> @Override<a name="line.163"></a>
<span class="sourceLineNo">164</span> public PositionedByteRange put(int index, byte[] val) {<a name="line.164"></a>
<span class="sourceLineNo">165</span> throw new ReadOnlyByteRangeException();<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> @Override<a name="line.168"></a>
<span class="sourceLineNo">169</span> public PositionedByteRange put(int index, byte[] val, int offset, int length) {<a name="line.169"></a>
<span class="sourceLineNo">170</span> throw new ReadOnlyByteRangeException();<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> @Override<a name="line.173"></a>
<span class="sourceLineNo">174</span> public PositionedByteRange deepCopy() {<a name="line.174"></a>
<span class="sourceLineNo">175</span> SimplePositionedByteRange clone = new SimplePositionedByteRange(deepCopyToNewArray());<a name="line.175"></a>
<span class="sourceLineNo">176</span> clone.position = this.position;<a name="line.176"></a>
<span class="sourceLineNo">177</span> return clone;<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> @Override<a name="line.180"></a>
<span class="sourceLineNo">181</span> public PositionedByteRange shallowCopy() {<a name="line.181"></a>
<span class="sourceLineNo">182</span> SimplePositionedByteRange clone = new SimplePositionedByteRange(bytes, offset, length);<a name="line.182"></a>
<span class="sourceLineNo">183</span> clone.position = this.position;<a name="line.183"></a>
<span class="sourceLineNo">184</span> return clone;<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> @Override<a name="line.187"></a>
<span class="sourceLineNo">188</span> public PositionedByteRange shallowCopySubRange(int innerOffset, int copyLength) {<a name="line.188"></a>
<span class="sourceLineNo">189</span> SimplePositionedByteRange clone =<a name="line.189"></a>
<span class="sourceLineNo">190</span> new SimplePositionedByteRange(bytes, offset + innerOffset, copyLength);<a name="line.190"></a>
<span class="sourceLineNo">191</span> clone.position = this.position;<a name="line.191"></a>
<span class="sourceLineNo">192</span> return clone;<a name="line.192"></a>
<span class="sourceLineNo">193</span> }<a name="line.193"></a>
<span class="sourceLineNo">194</span><a name="line.194"></a>
<span class="sourceLineNo">195</span> @Override<a name="line.195"></a>
<span class="sourceLineNo">196</span> public PositionedByteRange setLimit(int limit) {<a name="line.196"></a>
<span class="sourceLineNo">197</span> throw new ReadOnlyByteRangeException();<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>
<span class="sourceLineNo">200</span> @Override<a name="line.200"></a>
<span class="sourceLineNo">201</span> public PositionedByteRange unset() {<a name="line.201"></a>
<span class="sourceLineNo">202</span> throw new ReadOnlyByteRangeException();<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>}<a name="line.205"></a>
</pre>
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