http://git-wip-us.apache.org/repos/asf/hbase-site/blob/62e361eb/apidocs/src-html/org/apache/hadoop/hbase/filter/TimestampsFilter.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/filter/TimestampsFilter.html b/apidocs/src-html/org/apache/hadoop/hbase/filter/TimestampsFilter.html index d00a4b0..fa99228 100644 --- a/apidocs/src-html/org/apache/hadoop/hbase/filter/TimestampsFilter.html +++ b/apidocs/src-html/org/apache/hadoop/hbase/filter/TimestampsFilter.html @@ -165,7 +165,7 @@ <span class="sourceLineNo">157</span> }<a name="line.157"></a> <span class="sourceLineNo">158</span><a name="line.158"></a> <span class="sourceLineNo">159</span> public static Filter createFilterFromArguments(ArrayList<byte []> filterArguments) {<a name="line.159"></a> -<span class="sourceLineNo">160</span> ArrayList<Long> timestamps = new ArrayList<Long>();<a name="line.160"></a> +<span class="sourceLineNo">160</span> ArrayList<Long> timestamps = new ArrayList<Long>(filterArguments.size());<a name="line.160"></a> <span class="sourceLineNo">161</span> for (int i = 0; i<filterArguments.size(); i++) {<a name="line.161"></a> <span class="sourceLineNo">162</span> long timestamp = ParseFilter.convertByteArrayToLong(filterArguments.get(i));<a name="line.162"></a> <span class="sourceLineNo">163</span> timestamps.add(timestamp);<a name="line.163"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/62e361eb/apidocs/src-html/org/apache/hadoop/hbase/io/TimeRange.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/io/TimeRange.html b/apidocs/src-html/org/apache/hadoop/hbase/io/TimeRange.html index a62d306..3423f00 100644 --- a/apidocs/src-html/org/apache/hadoop/hbase/io/TimeRange.html +++ b/apidocs/src-html/org/apache/hadoop/hbase/io/TimeRange.html @@ -26,214 +26,212 @@ <span class="sourceLineNo">018</span><a name="line.18"></a> <span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.io;<a name="line.19"></a> <span class="sourceLineNo">020</span><a name="line.20"></a> -<span class="sourceLineNo">021</span>import java.io.IOException;<a name="line.21"></a> -<span class="sourceLineNo">022</span><a name="line.22"></a> -<span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.23"></a> -<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<a name="line.24"></a> -<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.25"></a> -<span class="sourceLineNo">026</span><a name="line.26"></a> -<span class="sourceLineNo">027</span>/**<a name="line.27"></a> -<span class="sourceLineNo">028</span> * Represents an interval of version timestamps. Presumes timestamps between<a name="line.28"></a> -<span class="sourceLineNo">029</span> * {@link #INITIAL_MIN_TIMESTAMP} and {@link #INITIAL_MAX_TIMESTAMP} only. Gets freaked out if<a name="line.29"></a> -<span class="sourceLineNo">030</span> * passed a timestamp that is < {@link #INITIAL_MIN_TIMESTAMP},<a name="line.30"></a> -<span class="sourceLineNo">031</span> * <p><a name="line.31"></a> -<span class="sourceLineNo">032</span> * Evaluated according to minStamp &lt;= timestamp &lt; maxStamp<a name="line.32"></a> -<span class="sourceLineNo">033</span> * or [minStamp,maxStamp) in interval notation.<a name="line.33"></a> -<span class="sourceLineNo">034</span> * <p><a name="line.34"></a> -<span class="sourceLineNo">035</span> * Only used internally; should not be accessed directly by clients.<a name="line.35"></a> -<span class="sourceLineNo">036</span> *<p>Immutable. Thread-safe.<a name="line.36"></a> -<span class="sourceLineNo">037</span> */<a name="line.37"></a> -<span class="sourceLineNo">038</span>@InterfaceAudience.Public<a name="line.38"></a> -<span class="sourceLineNo">039</span>@InterfaceStability.Stable<a name="line.39"></a> -<span class="sourceLineNo">040</span>public class TimeRange {<a name="line.40"></a> -<span class="sourceLineNo">041</span> public static final long INITIAL_MIN_TIMESTAMP = 0L;<a name="line.41"></a> -<span class="sourceLineNo">042</span> public static final long INITIAL_MAX_TIMESTAMP = Long.MAX_VALUE;<a name="line.42"></a> -<span class="sourceLineNo">043</span> private final long minStamp;<a name="line.43"></a> -<span class="sourceLineNo">044</span> private final long maxStamp;<a name="line.44"></a> -<span class="sourceLineNo">045</span> private final boolean allTime;<a name="line.45"></a> -<span class="sourceLineNo">046</span><a name="line.46"></a> -<span class="sourceLineNo">047</span> /**<a name="line.47"></a> -<span class="sourceLineNo">048</span> * Default constructor.<a name="line.48"></a> -<span class="sourceLineNo">049</span> * Represents interval [0, Long.MAX_VALUE) (allTime)<a name="line.49"></a> -<span class="sourceLineNo">050</span> * @deprecated This is made @InterfaceAudience.Private in the 2.0 line and above<a name="line.50"></a> -<span class="sourceLineNo">051</span> */<a name="line.51"></a> -<span class="sourceLineNo">052</span> @Deprecated<a name="line.52"></a> -<span class="sourceLineNo">053</span> public TimeRange() {<a name="line.53"></a> -<span class="sourceLineNo">054</span> this(INITIAL_MIN_TIMESTAMP, INITIAL_MAX_TIMESTAMP);<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> * Represents interval [minStamp, Long.MAX_VALUE)<a name="line.58"></a> -<span class="sourceLineNo">059</span> * @param minStamp the minimum timestamp value, inclusive<a name="line.59"></a> -<span class="sourceLineNo">060</span> * @deprecated This is made @InterfaceAudience.Private in the 2.0 line and above<a name="line.60"></a> -<span class="sourceLineNo">061</span> */<a name="line.61"></a> -<span class="sourceLineNo">062</span> @Deprecated<a name="line.62"></a> -<span class="sourceLineNo">063</span> public TimeRange(long minStamp) {<a name="line.63"></a> -<span class="sourceLineNo">064</span> this(minStamp, INITIAL_MAX_TIMESTAMP);<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> /**<a name="line.67"></a> -<span class="sourceLineNo">068</span> * Represents interval [minStamp, Long.MAX_VALUE)<a name="line.68"></a> -<span class="sourceLineNo">069</span> * @param minStamp the minimum timestamp value, inclusive<a name="line.69"></a> -<span class="sourceLineNo">070</span> * @deprecated This is made @InterfaceAudience.Private in the 2.0 line and above<a name="line.70"></a> -<span class="sourceLineNo">071</span> */<a name="line.71"></a> -<span class="sourceLineNo">072</span> @Deprecated<a name="line.72"></a> -<span class="sourceLineNo">073</span> public TimeRange(byte [] minStamp) {<a name="line.73"></a> -<span class="sourceLineNo">074</span> this(Bytes.toLong(minStamp));<a name="line.74"></a> -<span class="sourceLineNo">075</span> }<a name="line.75"></a> -<span class="sourceLineNo">076</span><a name="line.76"></a> -<span class="sourceLineNo">077</span> /**<a name="line.77"></a> -<span class="sourceLineNo">078</span> * Represents interval [minStamp, maxStamp)<a name="line.78"></a> -<span class="sourceLineNo">079</span> * @param minStamp the minimum timestamp, inclusive<a name="line.79"></a> -<span class="sourceLineNo">080</span> * @param maxStamp the maximum timestamp, exclusive<a name="line.80"></a> -<span class="sourceLineNo">081</span> * @deprecated This is made @InterfaceAudience.Private in the 2.0 line and above<a name="line.81"></a> -<span class="sourceLineNo">082</span> */<a name="line.82"></a> -<span class="sourceLineNo">083</span> @Deprecated<a name="line.83"></a> -<span class="sourceLineNo">084</span> public TimeRange(byte [] minStamp, byte [] maxStamp) {<a name="line.84"></a> -<span class="sourceLineNo">085</span> this(Bytes.toLong(minStamp), Bytes.toLong(maxStamp));<a name="line.85"></a> -<span class="sourceLineNo">086</span> }<a name="line.86"></a> -<span class="sourceLineNo">087</span><a name="line.87"></a> -<span class="sourceLineNo">088</span> /**<a name="line.88"></a> -<span class="sourceLineNo">089</span> * Represents interval [minStamp, maxStamp)<a name="line.89"></a> -<span class="sourceLineNo">090</span> * @param minStamp the minimum timestamp, inclusive<a name="line.90"></a> -<span class="sourceLineNo">091</span> * @param maxStamp the maximum timestamp, exclusive<a name="line.91"></a> -<span class="sourceLineNo">092</span> * @throws IllegalArgumentException if either <0,<a name="line.92"></a> -<span class="sourceLineNo">093</span> * @deprecated This is made @InterfaceAudience.Private in the 2.0 line and above<a name="line.93"></a> -<span class="sourceLineNo">094</span> */<a name="line.94"></a> -<span class="sourceLineNo">095</span> @Deprecated<a name="line.95"></a> -<span class="sourceLineNo">096</span> public TimeRange(long minStamp, long maxStamp) {<a name="line.96"></a> -<span class="sourceLineNo">097</span> check(minStamp, maxStamp);<a name="line.97"></a> -<span class="sourceLineNo">098</span> this.minStamp = minStamp;<a name="line.98"></a> -<span class="sourceLineNo">099</span> this.maxStamp = maxStamp;<a name="line.99"></a> -<span class="sourceLineNo">100</span> this.allTime = isAllTime(minStamp, maxStamp);<a name="line.100"></a> -<span class="sourceLineNo">101</span> }<a name="line.101"></a> -<span class="sourceLineNo">102</span><a name="line.102"></a> -<span class="sourceLineNo">103</span> private static boolean isAllTime(long minStamp, long maxStamp) {<a name="line.103"></a> -<span class="sourceLineNo">104</span> return minStamp == INITIAL_MIN_TIMESTAMP && maxStamp == INITIAL_MAX_TIMESTAMP;<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> private static void check(long minStamp, long maxStamp) {<a name="line.107"></a> -<span class="sourceLineNo">108</span> if (minStamp < 0 || maxStamp < 0) {<a name="line.108"></a> -<span class="sourceLineNo">109</span> throw new IllegalArgumentException("Timestamp cannot be negative. minStamp:" + minStamp<a name="line.109"></a> -<span class="sourceLineNo">110</span> + ", maxStamp:" + maxStamp);<a name="line.110"></a> -<span class="sourceLineNo">111</span> }<a name="line.111"></a> -<span class="sourceLineNo">112</span> if (maxStamp < minStamp) {<a name="line.112"></a> -<span class="sourceLineNo">113</span> throw new IllegalArgumentException("maxStamp is smaller than minStamp");<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><a name="line.116"></a> -<span class="sourceLineNo">117</span> /**<a name="line.117"></a> -<span class="sourceLineNo">118</span> * @return the smallest timestamp that should be considered<a name="line.118"></a> -<span class="sourceLineNo">119</span> */<a name="line.119"></a> -<span class="sourceLineNo">120</span> public long getMin() {<a name="line.120"></a> -<span class="sourceLineNo">121</span> return minStamp;<a name="line.121"></a> -<span class="sourceLineNo">122</span> }<a name="line.122"></a> -<span class="sourceLineNo">123</span><a name="line.123"></a> -<span class="sourceLineNo">124</span> /**<a name="line.124"></a> -<span class="sourceLineNo">125</span> * @return the biggest timestamp that should be considered<a name="line.125"></a> -<span class="sourceLineNo">126</span> */<a name="line.126"></a> -<span class="sourceLineNo">127</span> public long getMax() {<a name="line.127"></a> -<span class="sourceLineNo">128</span> return maxStamp;<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> /**<a name="line.131"></a> -<span class="sourceLineNo">132</span> * Check if it is for all time<a name="line.132"></a> -<span class="sourceLineNo">133</span> * @return true if it is for all time<a name="line.133"></a> -<span class="sourceLineNo">134</span> */<a name="line.134"></a> -<span class="sourceLineNo">135</span> public boolean isAllTime() {<a name="line.135"></a> -<span class="sourceLineNo">136</span> return allTime;<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> /**<a name="line.139"></a> -<span class="sourceLineNo">140</span> * Check if the specified timestamp is within this TimeRange.<a name="line.140"></a> -<span class="sourceLineNo">141</span> * <p><a name="line.141"></a> -<span class="sourceLineNo">142</span> * Returns true if within interval [minStamp, maxStamp), false if not.<a name="line.142"></a> -<span class="sourceLineNo">143</span> * @param bytes timestamp to check<a name="line.143"></a> -<span class="sourceLineNo">144</span> * @param offset offset into the bytes<a name="line.144"></a> -<span class="sourceLineNo">145</span> * @return true if within TimeRange, false if not<a name="line.145"></a> -<span class="sourceLineNo">146</span> */<a name="line.146"></a> -<span class="sourceLineNo">147</span> public boolean withinTimeRange(byte [] bytes, int offset) {<a name="line.147"></a> -<span class="sourceLineNo">148</span> if (allTime) {<a name="line.148"></a> -<span class="sourceLineNo">149</span> return true;<a name="line.149"></a> -<span class="sourceLineNo">150</span> }<a name="line.150"></a> -<span class="sourceLineNo">151</span> return withinTimeRange(Bytes.toLong(bytes, offset));<a name="line.151"></a> -<span class="sourceLineNo">152</span> }<a name="line.152"></a> -<span class="sourceLineNo">153</span><a name="line.153"></a> -<span class="sourceLineNo">154</span> /**<a name="line.154"></a> -<span class="sourceLineNo">155</span> * Check if the specified timestamp is within this TimeRange.<a name="line.155"></a> -<span class="sourceLineNo">156</span> * <p><a name="line.156"></a> -<span class="sourceLineNo">157</span> * Returns true if within interval [minStamp, maxStamp), false<a name="line.157"></a> -<span class="sourceLineNo">158</span> * if not.<a name="line.158"></a> -<span class="sourceLineNo">159</span> * @param timestamp timestamp to check<a name="line.159"></a> -<span class="sourceLineNo">160</span> * @return true if within TimeRange, false if not<a name="line.160"></a> -<span class="sourceLineNo">161</span> */<a name="line.161"></a> -<span class="sourceLineNo">162</span> public boolean withinTimeRange(long timestamp) {<a name="line.162"></a> -<span class="sourceLineNo">163</span> assert timestamp >= 0;<a name="line.163"></a> -<span class="sourceLineNo">164</span> if (this.allTime) {<a name="line.164"></a> -<span class="sourceLineNo">165</span> return true;<a name="line.165"></a> -<span class="sourceLineNo">166</span> }<a name="line.166"></a> -<span class="sourceLineNo">167</span> // check if >= minStamp<a name="line.167"></a> -<span class="sourceLineNo">168</span> return (minStamp <= timestamp && timestamp < maxStamp);<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> * Check if the range has any overlap with TimeRange<a name="line.172"></a> -<span class="sourceLineNo">173</span> * @param tr TimeRange<a name="line.173"></a> -<span class="sourceLineNo">174</span> * @return True if there is overlap, false otherwise<a name="line.174"></a> -<span class="sourceLineNo">175</span> */<a name="line.175"></a> -<span class="sourceLineNo">176</span> // This method came from TimeRangeTracker. We used to go there for this function but better<a name="line.176"></a> -<span class="sourceLineNo">177</span> // to come here to the immutable, unsynchronized datastructure at read time.<a name="line.177"></a> -<span class="sourceLineNo">178</span> public boolean includesTimeRange(final TimeRange tr) {<a name="line.178"></a> -<span class="sourceLineNo">179</span> if (this.allTime) {<a name="line.179"></a> -<span class="sourceLineNo">180</span> return true;<a name="line.180"></a> -<span class="sourceLineNo">181</span> }<a name="line.181"></a> -<span class="sourceLineNo">182</span> assert tr.getMin() >= 0;<a name="line.182"></a> -<span class="sourceLineNo">183</span> return getMin() < tr.getMax() && getMax() >= tr.getMin();<a name="line.183"></a> -<span class="sourceLineNo">184</span> }<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> * Check if the specified timestamp is within or after this TimeRange.<a name="line.187"></a> -<span class="sourceLineNo">188</span> * <p><a name="line.188"></a> -<span class="sourceLineNo">189</span> * Returns true if greater than minStamp, false if not.<a name="line.189"></a> -<span class="sourceLineNo">190</span> * @param timestamp timestamp to check<a name="line.190"></a> -<span class="sourceLineNo">191</span> * @return true if within or after TimeRange, false if not<a name="line.191"></a> -<span class="sourceLineNo">192</span> */<a name="line.192"></a> -<span class="sourceLineNo">193</span> public boolean withinOrAfterTimeRange(long timestamp) {<a name="line.193"></a> -<span class="sourceLineNo">194</span> assert timestamp >= 0;<a name="line.194"></a> -<span class="sourceLineNo">195</span> if (allTime) {<a name="line.195"></a> -<span class="sourceLineNo">196</span> return true;<a name="line.196"></a> -<span class="sourceLineNo">197</span> }<a name="line.197"></a> -<span class="sourceLineNo">198</span> // check if >= minStamp<a name="line.198"></a> -<span class="sourceLineNo">199</span> return timestamp >= minStamp;<a name="line.199"></a> -<span class="sourceLineNo">200</span> }<a name="line.200"></a> -<span class="sourceLineNo">201</span><a name="line.201"></a> -<span class="sourceLineNo">202</span> /**<a name="line.202"></a> -<span class="sourceLineNo">203</span> * Compare the timestamp to timerange.<a name="line.203"></a> -<span class="sourceLineNo">204</span> * @return -1 if timestamp is less than timerange,<a name="line.204"></a> -<span class="sourceLineNo">205</span> * 0 if timestamp is within timerange,<a name="line.205"></a> -<span class="sourceLineNo">206</span> * 1 if timestamp is greater than timerange<a name="line.206"></a> -<span class="sourceLineNo">207</span> */<a name="line.207"></a> -<span class="sourceLineNo">208</span> public int compare(long timestamp) {<a name="line.208"></a> -<span class="sourceLineNo">209</span> assert timestamp >= 0;<a name="line.209"></a> -<span class="sourceLineNo">210</span> if (this.allTime) {<a name="line.210"></a> -<span class="sourceLineNo">211</span> return 0;<a name="line.211"></a> -<span class="sourceLineNo">212</span> }<a name="line.212"></a> -<span class="sourceLineNo">213</span> if (timestamp < minStamp) {<a name="line.213"></a> -<span class="sourceLineNo">214</span> return -1;<a name="line.214"></a> -<span class="sourceLineNo">215</span> }<a name="line.215"></a> -<span class="sourceLineNo">216</span> return timestamp >= maxStamp? 1: 0;<a name="line.216"></a> -<span class="sourceLineNo">217</span> }<a name="line.217"></a> -<span class="sourceLineNo">218</span><a name="line.218"></a> -<span class="sourceLineNo">219</span> @Override<a name="line.219"></a> -<span class="sourceLineNo">220</span> public String toString() {<a name="line.220"></a> -<span class="sourceLineNo">221</span> StringBuilder sb = new StringBuilder();<a name="line.221"></a> -<span class="sourceLineNo">222</span> sb.append("maxStamp=");<a name="line.222"></a> -<span class="sourceLineNo">223</span> sb.append(this.maxStamp);<a name="line.223"></a> -<span class="sourceLineNo">224</span> sb.append(", minStamp=");<a name="line.224"></a> -<span class="sourceLineNo">225</span> sb.append(this.minStamp);<a name="line.225"></a> -<span class="sourceLineNo">226</span> return sb.toString();<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">021</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.21"></a> +<span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.23"></a> +<span class="sourceLineNo">024</span><a name="line.24"></a> +<span class="sourceLineNo">025</span>/**<a name="line.25"></a> +<span class="sourceLineNo">026</span> * Represents an interval of version timestamps. Presumes timestamps between<a name="line.26"></a> +<span class="sourceLineNo">027</span> * {@link #INITIAL_MIN_TIMESTAMP} and {@link #INITIAL_MAX_TIMESTAMP} only. Gets freaked out if<a name="line.27"></a> +<span class="sourceLineNo">028</span> * passed a timestamp that is < {@link #INITIAL_MIN_TIMESTAMP},<a name="line.28"></a> +<span class="sourceLineNo">029</span> * <p><a name="line.29"></a> +<span class="sourceLineNo">030</span> * Evaluated according to minStamp &lt;= timestamp &lt; maxStamp<a name="line.30"></a> +<span class="sourceLineNo">031</span> * or [minStamp,maxStamp) in interval notation.<a name="line.31"></a> +<span class="sourceLineNo">032</span> * <p><a name="line.32"></a> +<span class="sourceLineNo">033</span> * Only used internally; should not be accessed directly by clients.<a name="line.33"></a> +<span class="sourceLineNo">034</span> *<p>Immutable. Thread-safe.<a name="line.34"></a> +<span class="sourceLineNo">035</span> */<a name="line.35"></a> +<span class="sourceLineNo">036</span>@InterfaceAudience.Public<a name="line.36"></a> +<span class="sourceLineNo">037</span>@InterfaceStability.Stable<a name="line.37"></a> +<span class="sourceLineNo">038</span>public class TimeRange {<a name="line.38"></a> +<span class="sourceLineNo">039</span> public static final long INITIAL_MIN_TIMESTAMP = 0L;<a name="line.39"></a> +<span class="sourceLineNo">040</span> public static final long INITIAL_MAX_TIMESTAMP = Long.MAX_VALUE;<a name="line.40"></a> +<span class="sourceLineNo">041</span> private final long minStamp;<a name="line.41"></a> +<span class="sourceLineNo">042</span> private final long maxStamp;<a name="line.42"></a> +<span class="sourceLineNo">043</span> private final boolean allTime;<a name="line.43"></a> +<span class="sourceLineNo">044</span><a name="line.44"></a> +<span class="sourceLineNo">045</span> /**<a name="line.45"></a> +<span class="sourceLineNo">046</span> * Default constructor.<a name="line.46"></a> +<span class="sourceLineNo">047</span> * Represents interval [0, Long.MAX_VALUE) (allTime)<a name="line.47"></a> +<span class="sourceLineNo">048</span> * @deprecated This is made @InterfaceAudience.Private in the 2.0 line and above<a name="line.48"></a> +<span class="sourceLineNo">049</span> */<a name="line.49"></a> +<span class="sourceLineNo">050</span> @Deprecated<a name="line.50"></a> +<span class="sourceLineNo">051</span> public TimeRange() {<a name="line.51"></a> +<span class="sourceLineNo">052</span> this(INITIAL_MIN_TIMESTAMP, INITIAL_MAX_TIMESTAMP);<a name="line.52"></a> +<span class="sourceLineNo">053</span> }<a name="line.53"></a> +<span class="sourceLineNo">054</span><a name="line.54"></a> +<span class="sourceLineNo">055</span> /**<a name="line.55"></a> +<span class="sourceLineNo">056</span> * Represents interval [minStamp, Long.MAX_VALUE)<a name="line.56"></a> +<span class="sourceLineNo">057</span> * @param minStamp the minimum timestamp value, inclusive<a name="line.57"></a> +<span class="sourceLineNo">058</span> * @deprecated This is made @InterfaceAudience.Private in the 2.0 line and above<a name="line.58"></a> +<span class="sourceLineNo">059</span> */<a name="line.59"></a> +<span class="sourceLineNo">060</span> @Deprecated<a name="line.60"></a> +<span class="sourceLineNo">061</span> public TimeRange(long minStamp) {<a name="line.61"></a> +<span class="sourceLineNo">062</span> this(minStamp, INITIAL_MAX_TIMESTAMP);<a name="line.62"></a> +<span class="sourceLineNo">063</span> }<a name="line.63"></a> +<span class="sourceLineNo">064</span><a name="line.64"></a> +<span class="sourceLineNo">065</span> /**<a name="line.65"></a> +<span class="sourceLineNo">066</span> * Represents interval [minStamp, Long.MAX_VALUE)<a name="line.66"></a> +<span class="sourceLineNo">067</span> * @param minStamp the minimum timestamp value, inclusive<a name="line.67"></a> +<span class="sourceLineNo">068</span> * @deprecated This is made @InterfaceAudience.Private in the 2.0 line and above<a name="line.68"></a> +<span class="sourceLineNo">069</span> */<a name="line.69"></a> +<span class="sourceLineNo">070</span> @Deprecated<a name="line.70"></a> +<span class="sourceLineNo">071</span> public TimeRange(byte [] minStamp) {<a name="line.71"></a> +<span class="sourceLineNo">072</span> this(Bytes.toLong(minStamp));<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> /**<a name="line.75"></a> +<span class="sourceLineNo">076</span> * Represents interval [minStamp, maxStamp)<a name="line.76"></a> +<span class="sourceLineNo">077</span> * @param minStamp the minimum timestamp, inclusive<a name="line.77"></a> +<span class="sourceLineNo">078</span> * @param maxStamp the maximum timestamp, exclusive<a name="line.78"></a> +<span class="sourceLineNo">079</span> * @deprecated This is made @InterfaceAudience.Private in the 2.0 line and above<a name="line.79"></a> +<span class="sourceLineNo">080</span> */<a name="line.80"></a> +<span class="sourceLineNo">081</span> @Deprecated<a name="line.81"></a> +<span class="sourceLineNo">082</span> public TimeRange(byte [] minStamp, byte [] maxStamp) {<a name="line.82"></a> +<span class="sourceLineNo">083</span> this(Bytes.toLong(minStamp), Bytes.toLong(maxStamp));<a name="line.83"></a> +<span class="sourceLineNo">084</span> }<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> * Represents interval [minStamp, maxStamp)<a name="line.87"></a> +<span class="sourceLineNo">088</span> * @param minStamp the minimum timestamp, inclusive<a name="line.88"></a> +<span class="sourceLineNo">089</span> * @param maxStamp the maximum timestamp, exclusive<a name="line.89"></a> +<span class="sourceLineNo">090</span> * @throws IllegalArgumentException if either <0,<a name="line.90"></a> +<span class="sourceLineNo">091</span> * @deprecated This is made @InterfaceAudience.Private in the 2.0 line and above<a name="line.91"></a> +<span class="sourceLineNo">092</span> */<a name="line.92"></a> +<span class="sourceLineNo">093</span> @Deprecated<a name="line.93"></a> +<span class="sourceLineNo">094</span> public TimeRange(long minStamp, long maxStamp) {<a name="line.94"></a> +<span class="sourceLineNo">095</span> check(minStamp, maxStamp);<a name="line.95"></a> +<span class="sourceLineNo">096</span> this.minStamp = minStamp;<a name="line.96"></a> +<span class="sourceLineNo">097</span> this.maxStamp = maxStamp;<a name="line.97"></a> +<span class="sourceLineNo">098</span> this.allTime = isAllTime(minStamp, maxStamp);<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> private static boolean isAllTime(long minStamp, long maxStamp) {<a name="line.101"></a> +<span class="sourceLineNo">102</span> return minStamp == INITIAL_MIN_TIMESTAMP && maxStamp == INITIAL_MAX_TIMESTAMP;<a name="line.102"></a> +<span class="sourceLineNo">103</span> }<a name="line.103"></a> +<span class="sourceLineNo">104</span><a name="line.104"></a> +<span class="sourceLineNo">105</span> private static void check(long minStamp, long maxStamp) {<a name="line.105"></a> +<span class="sourceLineNo">106</span> if (minStamp < 0 || maxStamp < 0) {<a name="line.106"></a> +<span class="sourceLineNo">107</span> throw new IllegalArgumentException("Timestamp cannot be negative. minStamp:" + minStamp<a name="line.107"></a> +<span class="sourceLineNo">108</span> + ", maxStamp:" + maxStamp);<a name="line.108"></a> +<span class="sourceLineNo">109</span> }<a name="line.109"></a> +<span class="sourceLineNo">110</span> if (maxStamp < minStamp) {<a name="line.110"></a> +<span class="sourceLineNo">111</span> throw new IllegalArgumentException("maxStamp is smaller than minStamp");<a name="line.111"></a> +<span class="sourceLineNo">112</span> }<a name="line.112"></a> +<span class="sourceLineNo">113</span> }<a name="line.113"></a> +<span class="sourceLineNo">114</span><a name="line.114"></a> +<span class="sourceLineNo">115</span> /**<a name="line.115"></a> +<span class="sourceLineNo">116</span> * @return the smallest timestamp that should be considered<a name="line.116"></a> +<span class="sourceLineNo">117</span> */<a name="line.117"></a> +<span class="sourceLineNo">118</span> public long getMin() {<a name="line.118"></a> +<span class="sourceLineNo">119</span> return minStamp;<a name="line.119"></a> +<span class="sourceLineNo">120</span> }<a name="line.120"></a> +<span class="sourceLineNo">121</span><a name="line.121"></a> +<span class="sourceLineNo">122</span> /**<a name="line.122"></a> +<span class="sourceLineNo">123</span> * @return the biggest timestamp that should be considered<a name="line.123"></a> +<span class="sourceLineNo">124</span> */<a name="line.124"></a> +<span class="sourceLineNo">125</span> public long getMax() {<a name="line.125"></a> +<span class="sourceLineNo">126</span> return maxStamp;<a name="line.126"></a> +<span class="sourceLineNo">127</span> }<a name="line.127"></a> +<span class="sourceLineNo">128</span><a name="line.128"></a> +<span class="sourceLineNo">129</span> /**<a name="line.129"></a> +<span class="sourceLineNo">130</span> * Check if it is for all time<a name="line.130"></a> +<span class="sourceLineNo">131</span> * @return true if it is for all time<a name="line.131"></a> +<span class="sourceLineNo">132</span> */<a name="line.132"></a> +<span class="sourceLineNo">133</span> public boolean isAllTime() {<a name="line.133"></a> +<span class="sourceLineNo">134</span> return allTime;<a name="line.134"></a> +<span class="sourceLineNo">135</span> }<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> * Check if the specified timestamp is within this TimeRange.<a name="line.138"></a> +<span class="sourceLineNo">139</span> * <p><a name="line.139"></a> +<span class="sourceLineNo">140</span> * Returns true if within interval [minStamp, maxStamp), false if not.<a name="line.140"></a> +<span class="sourceLineNo">141</span> * @param bytes timestamp to check<a name="line.141"></a> +<span class="sourceLineNo">142</span> * @param offset offset into the bytes<a name="line.142"></a> +<span class="sourceLineNo">143</span> * @return true if within TimeRange, false if not<a name="line.143"></a> +<span class="sourceLineNo">144</span> */<a name="line.144"></a> +<span class="sourceLineNo">145</span> public boolean withinTimeRange(byte [] bytes, int offset) {<a name="line.145"></a> +<span class="sourceLineNo">146</span> if (allTime) {<a name="line.146"></a> +<span class="sourceLineNo">147</span> return true;<a name="line.147"></a> +<span class="sourceLineNo">148</span> }<a name="line.148"></a> +<span class="sourceLineNo">149</span> return withinTimeRange(Bytes.toLong(bytes, offset));<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> * Check if the specified timestamp is within this TimeRange.<a name="line.153"></a> +<span class="sourceLineNo">154</span> * <p><a name="line.154"></a> +<span class="sourceLineNo">155</span> * Returns true if within interval [minStamp, maxStamp), false<a name="line.155"></a> +<span class="sourceLineNo">156</span> * if not.<a name="line.156"></a> +<span class="sourceLineNo">157</span> * @param timestamp timestamp to check<a name="line.157"></a> +<span class="sourceLineNo">158</span> * @return true if within TimeRange, false if not<a name="line.158"></a> +<span class="sourceLineNo">159</span> */<a name="line.159"></a> +<span class="sourceLineNo">160</span> public boolean withinTimeRange(long timestamp) {<a name="line.160"></a> +<span class="sourceLineNo">161</span> assert timestamp >= 0;<a name="line.161"></a> +<span class="sourceLineNo">162</span> if (this.allTime) {<a name="line.162"></a> +<span class="sourceLineNo">163</span> return true;<a name="line.163"></a> +<span class="sourceLineNo">164</span> }<a name="line.164"></a> +<span class="sourceLineNo">165</span> // check if >= minStamp<a name="line.165"></a> +<span class="sourceLineNo">166</span> return (minStamp <= timestamp && timestamp < maxStamp);<a name="line.166"></a> +<span class="sourceLineNo">167</span> }<a name="line.167"></a> +<span class="sourceLineNo">168</span><a name="line.168"></a> +<span class="sourceLineNo">169</span> /**<a name="line.169"></a> +<span class="sourceLineNo">170</span> * Check if the range has any overlap with TimeRange<a name="line.170"></a> +<span class="sourceLineNo">171</span> * @param tr TimeRange<a name="line.171"></a> +<span class="sourceLineNo">172</span> * @return True if there is overlap, false otherwise<a name="line.172"></a> +<span class="sourceLineNo">173</span> */<a name="line.173"></a> +<span class="sourceLineNo">174</span> // This method came from TimeRangeTracker. We used to go there for this function but better<a name="line.174"></a> +<span class="sourceLineNo">175</span> // to come here to the immutable, unsynchronized datastructure at read time.<a name="line.175"></a> +<span class="sourceLineNo">176</span> public boolean includesTimeRange(final TimeRange tr) {<a name="line.176"></a> +<span class="sourceLineNo">177</span> if (this.allTime) {<a name="line.177"></a> +<span class="sourceLineNo">178</span> return true;<a name="line.178"></a> +<span class="sourceLineNo">179</span> }<a name="line.179"></a> +<span class="sourceLineNo">180</span> assert tr.getMin() >= 0;<a name="line.180"></a> +<span class="sourceLineNo">181</span> return getMin() < tr.getMax() && getMax() >= tr.getMin();<a name="line.181"></a> +<span class="sourceLineNo">182</span> }<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> * Check if the specified timestamp is within or after this TimeRange.<a name="line.185"></a> +<span class="sourceLineNo">186</span> * <p><a name="line.186"></a> +<span class="sourceLineNo">187</span> * Returns true if greater than minStamp, false if not.<a name="line.187"></a> +<span class="sourceLineNo">188</span> * @param timestamp timestamp to check<a name="line.188"></a> +<span class="sourceLineNo">189</span> * @return true if within or after TimeRange, false if not<a name="line.189"></a> +<span class="sourceLineNo">190</span> */<a name="line.190"></a> +<span class="sourceLineNo">191</span> public boolean withinOrAfterTimeRange(long timestamp) {<a name="line.191"></a> +<span class="sourceLineNo">192</span> assert timestamp >= 0;<a name="line.192"></a> +<span class="sourceLineNo">193</span> if (allTime) {<a name="line.193"></a> +<span class="sourceLineNo">194</span> return true;<a name="line.194"></a> +<span class="sourceLineNo">195</span> }<a name="line.195"></a> +<span class="sourceLineNo">196</span> // check if >= minStamp<a name="line.196"></a> +<span class="sourceLineNo">197</span> return timestamp >= minStamp;<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> /**<a name="line.200"></a> +<span class="sourceLineNo">201</span> * Compare the timestamp to timerange.<a name="line.201"></a> +<span class="sourceLineNo">202</span> * @return -1 if timestamp is less than timerange,<a name="line.202"></a> +<span class="sourceLineNo">203</span> * 0 if timestamp is within timerange,<a name="line.203"></a> +<span class="sourceLineNo">204</span> * 1 if timestamp is greater than timerange<a name="line.204"></a> +<span class="sourceLineNo">205</span> */<a name="line.205"></a> +<span class="sourceLineNo">206</span> public int compare(long timestamp) {<a name="line.206"></a> +<span class="sourceLineNo">207</span> assert timestamp >= 0;<a name="line.207"></a> +<span class="sourceLineNo">208</span> if (this.allTime) {<a name="line.208"></a> +<span class="sourceLineNo">209</span> return 0;<a name="line.209"></a> +<span class="sourceLineNo">210</span> }<a name="line.210"></a> +<span class="sourceLineNo">211</span> if (timestamp < minStamp) {<a name="line.211"></a> +<span class="sourceLineNo">212</span> return -1;<a name="line.212"></a> +<span class="sourceLineNo">213</span> }<a name="line.213"></a> +<span class="sourceLineNo">214</span> return timestamp >= maxStamp? 1: 0;<a name="line.214"></a> +<span class="sourceLineNo">215</span> }<a name="line.215"></a> +<span class="sourceLineNo">216</span><a name="line.216"></a> +<span class="sourceLineNo">217</span> @Override<a name="line.217"></a> +<span class="sourceLineNo">218</span> public String toString() {<a name="line.218"></a> +<span class="sourceLineNo">219</span> StringBuilder sb = new StringBuilder();<a name="line.219"></a> +<span class="sourceLineNo">220</span> sb.append("maxStamp=");<a name="line.220"></a> +<span class="sourceLineNo">221</span> sb.append(this.maxStamp);<a name="line.221"></a> +<span class="sourceLineNo">222</span> sb.append(", minStamp=");<a name="line.222"></a> +<span class="sourceLineNo">223</span> sb.append(this.minStamp);<a name="line.223"></a> +<span class="sourceLineNo">224</span> return sb.toString();<a name="line.224"></a> +<span class="sourceLineNo">225</span> }<a name="line.225"></a> +<span class="sourceLineNo">226</span>}<a name="line.226"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/62e361eb/apidocs/src-html/org/apache/hadoop/hbase/io/encoding/DataBlockEncoding.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/io/encoding/DataBlockEncoding.html b/apidocs/src-html/org/apache/hadoop/hbase/io/encoding/DataBlockEncoding.html index 20ae1c1..d92bad6 100644 --- a/apidocs/src-html/org/apache/hadoop/hbase/io/encoding/DataBlockEncoding.html +++ b/apidocs/src-html/org/apache/hadoop/hbase/io/encoding/DataBlockEncoding.html @@ -24,185 +24,177 @@ <span class="sourceLineNo">016</span> */<a name="line.16"></a> <span class="sourceLineNo">017</span>package org.apache.hadoop.hbase.io.encoding;<a name="line.17"></a> <span class="sourceLineNo">018</span><a name="line.18"></a> -<span class="sourceLineNo">019</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.19"></a> -<span class="sourceLineNo">020</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<a name="line.20"></a> -<span class="sourceLineNo">021</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.21"></a> -<span class="sourceLineNo">022</span><a name="line.22"></a> -<span class="sourceLineNo">023</span>import java.io.IOException;<a name="line.23"></a> -<span class="sourceLineNo">024</span>import java.io.OutputStream;<a name="line.24"></a> -<span class="sourceLineNo">025</span>import java.util.HashMap;<a name="line.25"></a> -<span class="sourceLineNo">026</span>import java.util.Map;<a name="line.26"></a> -<span class="sourceLineNo">027</span><a name="line.27"></a> -<span class="sourceLineNo">028</span>/**<a name="line.28"></a> -<span class="sourceLineNo">029</span> * Provide access to all data block encoding algorithms. All of the algorithms<a name="line.29"></a> -<span class="sourceLineNo">030</span> * are required to have unique id which should <b>NEVER</b> be changed. If you<a name="line.30"></a> -<span class="sourceLineNo">031</span> * want to add a new algorithm/version, assign it a new id. Announce the new id<a name="line.31"></a> -<span class="sourceLineNo">032</span> * in the HBase mailing list to prevent collisions.<a name="line.32"></a> -<span class="sourceLineNo">033</span> */<a name="line.33"></a> -<span class="sourceLineNo">034</span>@InterfaceAudience.Public<a name="line.34"></a> -<span class="sourceLineNo">035</span>@InterfaceStability.Evolving<a name="line.35"></a> -<span class="sourceLineNo">036</span>public enum DataBlockEncoding {<a name="line.36"></a> -<span class="sourceLineNo">037</span><a name="line.37"></a> -<span class="sourceLineNo">038</span> /** Disable data block encoding. */<a name="line.38"></a> -<span class="sourceLineNo">039</span> NONE(0, null),<a name="line.39"></a> -<span class="sourceLineNo">040</span> // id 1 is reserved for the BITSET algorithm to be added later<a name="line.40"></a> -<span class="sourceLineNo">041</span> PREFIX(2, "org.apache.hadoop.hbase.io.encoding.PrefixKeyDeltaEncoder"),<a name="line.41"></a> -<span class="sourceLineNo">042</span> DIFF(3, "org.apache.hadoop.hbase.io.encoding.DiffKeyDeltaEncoder"),<a name="line.42"></a> -<span class="sourceLineNo">043</span> FAST_DIFF(4, "org.apache.hadoop.hbase.io.encoding.FastDiffDeltaEncoder"),<a name="line.43"></a> -<span class="sourceLineNo">044</span> // id 5 is reserved for the COPY_KEY algorithm for benchmarking<a name="line.44"></a> -<span class="sourceLineNo">045</span> // COPY_KEY(5, "org.apache.hadoop.hbase.io.encoding.CopyKeyDataBlockEncoder"),<a name="line.45"></a> -<span class="sourceLineNo">046</span> PREFIX_TREE(6, "org.apache.hadoop.hbase.codec.prefixtree.PrefixTreeCodec"),<a name="line.46"></a> -<span class="sourceLineNo">047</span> ROW_INDEX_V1(7, "org.apache.hadoop.hbase.io.encoding.RowIndexCodecV1");<a name="line.47"></a> -<span class="sourceLineNo">048</span><a name="line.48"></a> -<span class="sourceLineNo">049</span> private final short id;<a name="line.49"></a> -<span class="sourceLineNo">050</span> private final byte[] idInBytes;<a name="line.50"></a> -<span class="sourceLineNo">051</span> private DataBlockEncoder encoder;<a name="line.51"></a> -<span class="sourceLineNo">052</span> private final String encoderCls;<a name="line.52"></a> +<span class="sourceLineNo">019</span>import java.io.IOException;<a name="line.19"></a> +<span class="sourceLineNo">020</span>import java.io.OutputStream;<a name="line.20"></a> +<span class="sourceLineNo">021</span><a name="line.21"></a> +<span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.24"></a> +<span class="sourceLineNo">025</span><a name="line.25"></a> +<span class="sourceLineNo">026</span>/**<a name="line.26"></a> +<span class="sourceLineNo">027</span> * Provide access to all data block encoding algorithms. All of the algorithms<a name="line.27"></a> +<span class="sourceLineNo">028</span> * are required to have unique id which should <b>NEVER</b> be changed. If you<a name="line.28"></a> +<span class="sourceLineNo">029</span> * want to add a new algorithm/version, assign it a new id. Announce the new id<a name="line.29"></a> +<span class="sourceLineNo">030</span> * in the HBase mailing list to prevent collisions.<a name="line.30"></a> +<span class="sourceLineNo">031</span> */<a name="line.31"></a> +<span class="sourceLineNo">032</span>@InterfaceAudience.Public<a name="line.32"></a> +<span class="sourceLineNo">033</span>@InterfaceStability.Evolving<a name="line.33"></a> +<span class="sourceLineNo">034</span>public enum DataBlockEncoding {<a name="line.34"></a> +<span class="sourceLineNo">035</span><a name="line.35"></a> +<span class="sourceLineNo">036</span> /** Disable data block encoding. */<a name="line.36"></a> +<span class="sourceLineNo">037</span> NONE(0, null),<a name="line.37"></a> +<span class="sourceLineNo">038</span> // id 1 is reserved for the BITSET algorithm to be added later<a name="line.38"></a> +<span class="sourceLineNo">039</span> PREFIX(2, "org.apache.hadoop.hbase.io.encoding.PrefixKeyDeltaEncoder"),<a name="line.39"></a> +<span class="sourceLineNo">040</span> DIFF(3, "org.apache.hadoop.hbase.io.encoding.DiffKeyDeltaEncoder"),<a name="line.40"></a> +<span class="sourceLineNo">041</span> FAST_DIFF(4, "org.apache.hadoop.hbase.io.encoding.FastDiffDeltaEncoder"),<a name="line.41"></a> +<span class="sourceLineNo">042</span> // id 5 is reserved for the COPY_KEY algorithm for benchmarking<a name="line.42"></a> +<span class="sourceLineNo">043</span> // COPY_KEY(5, "org.apache.hadoop.hbase.io.encoding.CopyKeyDataBlockEncoder"),<a name="line.43"></a> +<span class="sourceLineNo">044</span> PREFIX_TREE(6, "org.apache.hadoop.hbase.codec.prefixtree.PrefixTreeCodec"),<a name="line.44"></a> +<span class="sourceLineNo">045</span> ROW_INDEX_V1(7, "org.apache.hadoop.hbase.io.encoding.RowIndexCodecV1");<a name="line.45"></a> +<span class="sourceLineNo">046</span><a name="line.46"></a> +<span class="sourceLineNo">047</span> private final short id;<a name="line.47"></a> +<span class="sourceLineNo">048</span> private final byte[] idInBytes;<a name="line.48"></a> +<span class="sourceLineNo">049</span> private DataBlockEncoder encoder;<a name="line.49"></a> +<span class="sourceLineNo">050</span> private final String encoderCls;<a name="line.50"></a> +<span class="sourceLineNo">051</span><a name="line.51"></a> +<span class="sourceLineNo">052</span> public static final int ID_SIZE = Bytes.SIZEOF_SHORT;<a name="line.52"></a> <span class="sourceLineNo">053</span><a name="line.53"></a> -<span class="sourceLineNo">054</span> public static final int ID_SIZE = Bytes.SIZEOF_SHORT;<a name="line.54"></a> -<span class="sourceLineNo">055</span><a name="line.55"></a> -<span class="sourceLineNo">056</span> /** Maps data block encoding ids to enum instances. */<a name="line.56"></a> -<span class="sourceLineNo">057</span> private static Map<Short, DataBlockEncoding> idToEncoding =<a name="line.57"></a> -<span class="sourceLineNo">058</span> new HashMap<Short, DataBlockEncoding>();<a name="line.58"></a> -<span class="sourceLineNo">059</span><a name="line.59"></a> -<span class="sourceLineNo">060</span> static {<a name="line.60"></a> -<span class="sourceLineNo">061</span> for (DataBlockEncoding algo : values()) {<a name="line.61"></a> -<span class="sourceLineNo">062</span> if (idToEncoding.containsKey(algo.id)) {<a name="line.62"></a> -<span class="sourceLineNo">063</span> throw new RuntimeException(String.format(<a name="line.63"></a> -<span class="sourceLineNo">064</span> "Two data block encoder algorithms '%s' and '%s' have " +<a name="line.64"></a> -<span class="sourceLineNo">065</span> "the same id %d",<a name="line.65"></a> -<span class="sourceLineNo">066</span> idToEncoding.get(algo.id).toString(), algo.toString(),<a name="line.66"></a> -<span class="sourceLineNo">067</span> (int) algo.id));<a name="line.67"></a> -<span class="sourceLineNo">068</span> }<a name="line.68"></a> -<span class="sourceLineNo">069</span> idToEncoding.put(algo.id, algo);<a name="line.69"></a> -<span 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class="sourceLineNo">105</span> * @param stream where the id should be written.<a name="line.105"></a> -<span class="sourceLineNo">106</span> */<a name="line.106"></a> -<span class="sourceLineNo">107</span> public void writeIdInBytes(OutputStream stream) throws IOException {<a name="line.107"></a> -<span class="sourceLineNo">108</span> stream.write(idInBytes);<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><a name="line.111"></a> -<span class="sourceLineNo">112</span> /**<a name="line.112"></a> -<span class="sourceLineNo">113</span> * Writes id bytes to the given array starting from offset.<a name="line.113"></a> -<span class="sourceLineNo">114</span> *<a name="line.114"></a> -<span class="sourceLineNo">115</span> * @param dest output array<a name="line.115"></a> -<span class="sourceLineNo">116</span> * @param offset starting offset of the output array<a name="line.116"></a> -<span class="sourceLineNo">117</span> * @throws IOException<a name="line.117"></a> -<span class="sourceLineNo">118</span> */<a name="line.118"></a> -<span class="sourceLineNo">119</span> public void writeIdInBytes(byte[] dest, int offset) throws IOException {<a name="line.119"></a> -<span class="sourceLineNo">120</span> System.arraycopy(idInBytes, 0, dest, offset, ID_SIZE);<a name="line.120"></a> -<span class="sourceLineNo">121</span> }<a name="line.121"></a> -<span class="sourceLineNo">122</span><a name="line.122"></a> -<span class="sourceLineNo">123</span> /**<a name="line.123"></a> -<span class="sourceLineNo">124</span> * Return new data block encoder for given algorithm type.<a name="line.124"></a> -<span class="sourceLineNo">125</span> * @return data block encoder if algorithm is specified, null if none is<a name="line.125"></a> -<span class="sourceLineNo">126</span> * selected.<a name="line.126"></a> -<span class="sourceLineNo">127</span> */<a name="line.127"></a> -<span class="sourceLineNo">128</span> public DataBlockEncoder getEncoder() {<a name="line.128"></a> -<span class="sourceLineNo">129</span> if (encoder == null && id != 0) {<a name="line.129"></a> -<span class="sourceLineNo">130</span> // lazily create the encoder<a name="line.130"></a> -<span class="sourceLineNo">131</span> encoder = createEncoder(encoderCls);<a name="line.131"></a> -<span class="sourceLineNo">132</span> }<a name="line.132"></a> -<span class="sourceLineNo">133</span> return encoder;<a name="line.133"></a> -<span class="sourceLineNo">134</span> }<a name="line.134"></a> -<span class="sourceLineNo">135</span><a name="line.135"></a> -<span class="sourceLineNo">136</span> /**<a name="line.136"></a> -<span class="sourceLineNo">137</span> * Find and create data block encoder for given id;<a name="line.137"></a> -<span class="sourceLineNo">138</span> * @param encoderId id of data block encoder.<a name="line.138"></a> -<span class="sourceLineNo">139</span> * @return Newly created data block encoder.<a name="line.139"></a> -<span class="sourceLineNo">140</span> */<a name="line.140"></a> -<span class="sourceLineNo">141</span> public static DataBlockEncoder getDataBlockEncoderById(short encoderId) {<a name="line.141"></a> -<span class="sourceLineNo">142</span> if (!idToEncoding.containsKey(encoderId)) {<a name="line.142"></a> -<span class="sourceLineNo">143</span> throw new IllegalArgumentException(String.format(<a name="line.143"></a> -<span class="sourceLineNo">144</span> "There is no data block encoder for given id '%d'",<a name="line.144"></a> -<span class="sourceLineNo">145</span> (int) encoderId));<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> return idToEncoding.get(encoderId).getEncoder();<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> * Find and return the name of data block encoder for the given id.<a name="line.152"></a> -<span class="sourceLineNo">153</span> * @param encoderId id of data block encoder<a name="line.153"></a> -<span class="sourceLineNo">154</span> * @return name, same as used in options in column family<a name="line.154"></a> -<span class="sourceLineNo">155</span> */<a name="line.155"></a> -<span class="sourceLineNo">156</span> public static String getNameFromId(short encoderId) {<a name="line.156"></a> -<span class="sourceLineNo">157</span> return idToEncoding.get(encoderId).toString();<a name="line.157"></a> -<span class="sourceLineNo">158</span> }<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> * Check if given encoder has this id.<a name="line.161"></a> -<span class="sourceLineNo">162</span> * @param encoder encoder which id will be checked<a name="line.162"></a> -<span class="sourceLineNo">163</span> * @param encoderId id which we except<a name="line.163"></a> -<span class="sourceLineNo">164</span> * @return true if id is right for given encoder, false otherwise<a name="line.164"></a> -<span class="sourceLineNo">165</span> * @exception IllegalArgumentException<a name="line.165"></a> -<span class="sourceLineNo">166</span> * thrown when there is no matching data block encoder<a name="line.166"></a> -<span class="sourceLineNo">167</span> */<a name="line.167"></a> -<span class="sourceLineNo">168</span> public static boolean isCorrectEncoder(DataBlockEncoder encoder,<a name="line.168"></a> -<span class="sourceLineNo">169</span> short encoderId) {<a name="line.169"></a> -<span class="sourceLineNo">170</span> if (!idToEncoding.containsKey(encoderId)) {<a name="line.170"></a> -<span class="sourceLineNo">171</span> throw new IllegalArgumentException(String.format(<a name="line.171"></a> -<span class="sourceLineNo">172</span> "There is no data block encoder for given id '%d'",<a name="line.172"></a> -<span class="sourceLineNo">173</span> (int) encoderId));<a name="line.173"></a> -<span class="sourceLineNo">174</span> }<a name="line.174"></a> -<span class="sourceLineNo">175</span><a name="line.175"></a> -<span class="sourceLineNo">176</span> DataBlockEncoding algorithm = idToEncoding.get(encoderId);<a name="line.176"></a> -<span class="sourceLineNo">177</span> String encoderCls = encoder.getClass().getName();<a name="line.177"></a> -<span class="sourceLineNo">178</span> return encoderCls.equals(algorithm.encoderCls);<a name="line.178"></a> -<span class="sourceLineNo">179</span> }<a name="line.179"></a> -<span class="sourceLineNo">180</span><a name="line.180"></a> -<span class="sourceLineNo">181</span> public static DataBlockEncoding getEncodingById(short dataBlockEncodingId) {<a name="line.181"></a> -<span class="sourceLineNo">182</span> return idToEncoding.get(dataBlockEncodingId);<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> protected static DataBlockEncoder createEncoder(String fullyQualifiedClassName){<a name="line.185"></a> -<span class="sourceLineNo">186</span> try {<a name="line.186"></a> -<span class="sourceLineNo">187</span> return (DataBlockEncoder)Class.forName(fullyQualifiedClassName).newInstance();<a name="line.187"></a> -<span class="sourceLineNo">188</span> } catch (InstantiationException e) {<a name="line.188"></a> -<span class="sourceLineNo">189</span> throw new RuntimeException(e);<a name="line.189"></a> -<span class="sourceLineNo">190</span> } catch (IllegalAccessException e) {<a name="line.190"></a> -<span class="sourceLineNo">191</span> throw new RuntimeException(e);<a name="line.191"></a> -<span class="sourceLineNo">192</span> } catch (ClassNotFoundException e) {<a name="line.192"></a> -<span class="sourceLineNo">193</span> throw new IllegalArgumentException(e);<a name="line.193"></a> -<span class="sourceLineNo">194</span> }<a name="line.194"></a> -<span class="sourceLineNo">195</span> }<a name="line.195"></a> -<span class="sourceLineNo">196</span><a name="line.196"></a> -<span class="sourceLineNo">197</span>}<a name="line.197"></a> +<span class="sourceLineNo">054</span> /** Maps data block encoding ids to enum instances. */<a name="line.54"></a> +<span class="sourceLineNo">055</span> private static DataBlockEncoding[] idArray = new DataBlockEncoding[Byte.MAX_VALUE + 1];<a name="line.55"></a> +<span class="sourceLineNo">056</span><a name="line.56"></a> +<span class="sourceLineNo">057</span> static {<a name="line.57"></a> +<span class="sourceLineNo">058</span> for (DataBlockEncoding algo : values()) {<a name="line.58"></a> +<span class="sourceLineNo">059</span> if (idArray[algo.id] != null) {<a name="line.59"></a> +<span class="sourceLineNo">060</span> throw new RuntimeException(String.format(<a name="line.60"></a> +<span class="sourceLineNo">061</span> "Two data block encoder algorithms '%s' and '%s' have " + "the same id %d",<a name="line.61"></a> +<span class="sourceLineNo">062</span> idArray[algo.id].toString(), algo.toString(), (int) algo.id));<a name="line.62"></a> +<span class="sourceLineNo">063</span> }<a name="line.63"></a> +<span class="sourceLineNo">064</span> idArray[algo.id] = algo;<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><a name="line.67"></a> +<span class="sourceLineNo">068</span> private DataBlockEncoding(int id, String encoderClsName) {<a name="line.68"></a> +<span class="sourceLineNo">069</span> if (id < 0 || id > Byte.MAX_VALUE) {<a name="line.69"></a> +<span class="sourceLineNo">070</span> throw new AssertionError(<a name="line.70"></a> +<span class="sourceLineNo">071</span> "Data block encoding algorithm id is out of range: " + id);<a name="line.71"></a> +<span class="sourceLineNo">072</span> }<a name="line.72"></a> +<span class="sourceLineNo">073</span> this.id = (short) id;<a name="line.73"></a> +<span class="sourceLineNo">074</span> this.idInBytes = Bytes.toBytes(this.id);<a name="line.74"></a> +<span class="sourceLineNo">075</span> if (idInBytes.length != ID_SIZE) {<a name="line.75"></a> +<span class="sourceLineNo">076</span> // White this may seem redundant, if we accidentally serialize<a name="line.76"></a> +<span class="sourceLineNo">077</span> // the id as e.g. an int instead of a short, all encoders will break.<a name="line.77"></a> +<span class="sourceLineNo">078</span> throw new RuntimeException("Unexpected length of encoder ID byte " +<a name="line.78"></a> +<span class="sourceLineNo">079</span> "representation: " + Bytes.toStringBinary(idInBytes));<a name="line.79"></a> +<span class="sourceLineNo">080</span> }<a name="line.80"></a> +<span class="sourceLineNo">081</span> this.encoderCls = encoderClsName;<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> /**<a name="line.84"></a> +<span class="sourceLineNo">085</span> * @return name converted to bytes.<a name="line.85"></a> +<span class="sourceLineNo">086</span> */<a name="line.86"></a> +<span class="sourceLineNo">087</span> public byte[] getNameInBytes() {<a name="line.87"></a> +<span class="sourceLineNo">088</span> return Bytes.toBytes(toString());<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> /**<a name="line.91"></a> +<span class="sourceLineNo">092</span> * @return The id of a data block encoder.<a name="line.92"></a> +<span class="sourceLineNo">093</span> */<a name="line.93"></a> +<span class="sourceLineNo">094</span> public short getId() {<a name="line.94"></a> +<span class="sourceLineNo">095</span> return id;<a name="line.95"></a> +<span class="sourceLineNo">096</span> }<a name="line.96"></a> +<span class="sourceLineNo">097</span><a name="line.97"></a> +<span class="sourceLineNo">098</span> /**<a name="line.98"></a> +<span class="sourceLineNo">099</span> * Writes id in bytes.<a name="line.99"></a> +<span class="sourceLineNo">100</span> * @param stream where the id should be written.<a name="line.100"></a> +<span class="sourceLineNo">101</span> */<a name="line.101"></a> +<span class="sourceLineNo">102</span> public void writeIdInBytes(OutputStream stream) throws IOException {<a name="line.102"></a> +<span class="sourceLineNo">103</span> stream.write(idInBytes);<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> /**<a name="line.107"></a> +<span class="sourceLineNo">108</span> * Writes id bytes to the given array starting from offset.<a name="line.108"></a> +<span class="sourceLineNo">109</span> *<a name="line.109"></a> +<span class="sourceLineNo">110</span> * @param dest output array<a name="line.110"></a> +<span class="sourceLineNo">111</span> * @param offset starting offset of the output array<a name="line.111"></a> +<span class="sourceLineNo">112</span> * @throws IOException<a name="line.112"></a> +<span class="sourceLineNo">113</span> */<a name="line.113"></a> +<span class="sourceLineNo">114</span> public void writeIdInBytes(byte[] dest, int offset) throws IOException {<a name="line.114"></a> +<span class="sourceLineNo">115</span> System.arraycopy(idInBytes, 0, dest, offset, ID_SIZE);<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> /**<a name="line.118"></a> +<span class="sourceLineNo">119</span> * Return new data block encoder for given algorithm type.<a name="line.119"></a> +<span class="sourceLineNo">120</span> * @return data block encoder if algorithm is specified, null if none is<a name="line.120"></a> +<span class="sourceLineNo">121</span> * selected.<a name="line.121"></a> +<span class="sourceLineNo">122</span> */<a name="line.122"></a> +<span class="sourceLineNo">123</span> public DataBlockEncoder getEncoder() {<a name="line.123"></a> +<span class="sourceLineNo">124</span> if (encoder == null && id != 0) {<a name="line.124"></a> +<span class="sourceLineNo">125</span> // lazily create the encoder<a name="line.125"></a> +<span class="sourceLineNo">126</span> encoder = createEncoder(encoderCls);<a name="line.126"></a> +<span class="sourceLineNo">127</span> }<a name="line.127"></a> +<span class="sourceLineNo">128</span> return encoder;<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> /**<a name="line.131"></a> +<span class="sourceLineNo">132</span> * Find and create data block encoder for given id;<a name="line.132"></a> +<span class="sourceLineNo">133</span> * @param encoderId id of data block encoder.<a name="line.133"></a> +<span class="sourceLineNo">134</span> * @return Newly created data block encoder.<a name="line.134"></a> +<span class="sourceLineNo">135</span> */<a name="line.135"></a> +<span class="sourceLineNo">136</span> public static DataBlockEncoder getDataBlockEncoderById(short encoderId) {<a name="line.136"></a> +<span class="sourceLineNo">137</span> return getEncodingById(encoderId).getEncoder();<a name="line.137"></a> +<span class="sourceLineNo">138</span> }<a name="line.138"></a> +<span class="sourceLineNo">139</span><a name="line.139"></a> +<span class="sourceLineNo">140</span> /**<a name="line.140"></a> +<span class="sourceLineNo">141</span> * Find and return the name of data block encoder for the given id.<a name="line.141"></a> +<span class="sourceLineNo">142</span> * @param encoderId id of data block encoder<a name="line.142"></a> +<span class="sourceLineNo">143</span> * @return name, same as used in options in column family<a name="line.143"></a> +<span class="sourceLineNo">144</span> */<a name="line.144"></a> +<span class="sourceLineNo">145</span> public static String getNameFromId(short encoderId) {<a name="line.145"></a> +<span class="sourceLineNo">146</span> return getEncodingById(encoderId).toString();<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> * Check if given encoder has this id.<a name="line.150"></a> +<span class="sourceLineNo">151</span> * @param encoder encoder which id will be checked<a name="line.151"></a> +<span class="sourceLineNo">152</span> * @param encoderId id which we except<a name="line.152"></a> +<span class="sourceLineNo">153</span> * @return true if id is right for given encoder, false otherwise<a name="line.153"></a> +<span class="sourceLineNo">154</span> * @exception IllegalArgumentException<a name="line.154"></a> +<span class="sourceLineNo">155</span> * thrown when there is no matching data block encoder<a name="line.155"></a> +<span class="sourceLineNo">156</span> */<a name="line.156"></a> +<span class="sourceLineNo">157</span> public static boolean isCorrectEncoder(DataBlockEncoder encoder,<a name="line.157"></a> +<span class="sourceLineNo">158</span> short encoderId) {<a name="line.158"></a> +<span class="sourceLineNo">159</span> DataBlockEncoding algorithm = getEncodingById(encoderId);<a name="line.159"></a> +<span class="sourceLineNo">160</span> String encoderCls = encoder.getClass().getName();<a name="line.160"></a> +<span class="sourceLineNo">161</span> return encoderCls.equals(algorithm.encoderCls);<a name="line.161"></a> +<span class="sourceLineNo">162</span> }<a name="line.162"></a> +<span class="sourceLineNo">163</span><a name="line.163"></a> +<span class="sourceLineNo">164</span> public static DataBlockEncoding getEncodingById(short dataBlockEncodingId) {<a name="line.164"></a> +<span class="sourceLineNo">165</span> DataBlockEncoding algorithm = null;<a name="line.165"></a> +<span class="sourceLineNo">166</span> if (dataBlockEncodingId >= 0 && dataBlockEncodingId <= Byte.MAX_VALUE) {<a name="line.166"></a> +<span class="sourceLineNo">167</span> algorithm = idArray[dataBlockEncodingId];<a name="line.167"></a> +<span class="sourceLineNo">168</span> }<a name="line.168"></a> +<span class="sourceLineNo">169</span> if (algorithm == null) {<a name="line.169"></a> +<span class="sourceLineNo">170</span> throw new IllegalArgumentException(String.format(<a name="line.170"></a> +<span class="sourceLineNo">171</span> "There is no data block encoder for given id '%d'",<a name="line.171"></a> +<span class="sourceLineNo">172</span> (int) dataBlockEncodingId));<a name="line.172"></a> +<span class="sourceLineNo">173</span> }<a name="line.173"></a> +<span class="sourceLineNo">174</span> return algorithm;<a name="line.174"></a> +<span class="sourceLineNo">175</span> }<a name="line.175"></a> +<span class="sourceLineNo">176</span><a name="line.176"></a> +<span class="sourceLineNo">177</span> protected static DataBlockEncoder createEncoder(String fullyQualifiedClassName){<a name="line.177"></a> +<span class="sourceLineNo">178</span> try {<a name="line.178"></a> +<span class="sourceLineNo">179</span> return (DataBlockEncoder)Class.forName(fullyQualifiedClassName).newInstance();<a name="line.179"></a> +<span class="sourceLineNo">180</span> } catch (InstantiationException e) {<a name="line.180"></a> +<span class="sourceLineNo">181</span> throw new RuntimeException(e);<a name="line.181"></a> +<span class="sourceLineNo">182</span> } catch (IllegalAccessException e) {<a name="line.182"></a> +<span class="sourceLineNo">183</span> throw new RuntimeException(e);<a name="line.183"></a> +<span class="sourceLineNo">184</span> } catch (ClassNotFoundException e) {<a name="line.184"></a> +<span class="sourceLineNo">185</span> throw new IllegalArgumentException(e);<a name="line.185"></a> +<span class="sourceLineNo">186</span> }<a name="line.186"></a> +<span class="sourceLineNo">187</span> }<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>
