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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/10/18 14:54:07 UTC
[02/51] [partial] hbase-site git commit: Published site at
5fbb227deb365fe812d433fe39b85ac4b0ddee20.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/c9ebe686/devapidocs/src-html/org/apache/hadoop/hbase/filter/FuzzyRowFilter.Order.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/filter/FuzzyRowFilter.Order.html b/devapidocs/src-html/org/apache/hadoop/hbase/filter/FuzzyRowFilter.Order.html
index 3efe1f0..3b88f1d 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/filter/FuzzyRowFilter.Order.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/filter/FuzzyRowFilter.Order.html
@@ -43,629 +43,628 @@
<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.BytesBytesPair;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.UnsafeAccess;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.util.UnsafeAvailChecker;<a name="line.39"></a>
-<span class="sourceLineNo">040</span><a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.41"></a>
-<span class="sourceLineNo">042</span><a name="line.42"></a>
-<span class="sourceLineNo">043</span>/**<a name="line.43"></a>
-<span class="sourceLineNo">044</span> * This is optimized version of a standard FuzzyRowFilter Filters data based on fuzzy row key.<a name="line.44"></a>
-<span class="sourceLineNo">045</span> * Performs fast-forwards during scanning. It takes pairs (row key, fuzzy info) to match row keys.<a name="line.45"></a>
-<span class="sourceLineNo">046</span> * Where fuzzy info is a byte array with 0 or 1 as its values:<a name="line.46"></a>
-<span class="sourceLineNo">047</span> * <ul><a name="line.47"></a>
-<span class="sourceLineNo">048</span> * <li>0 - means that this byte in provided row key is fixed, i.e. row key's byte at same position<a name="line.48"></a>
-<span class="sourceLineNo">049</span> * must match</li><a name="line.49"></a>
-<span class="sourceLineNo">050</span> * <li>1 - means that this byte in provided row key is NOT fixed, i.e. row key's byte at this<a name="line.50"></a>
-<span class="sourceLineNo">051</span> * position can be different from the one in provided row key</li><a name="line.51"></a>
-<span class="sourceLineNo">052</span> * </ul><a name="line.52"></a>
-<span class="sourceLineNo">053</span> * Example: Let's assume row key format is userId_actionId_year_month. Length of userId is fixed and<a name="line.53"></a>
-<span class="sourceLineNo">054</span> * is 4, length of actionId is 2 and year and month are 4 and 2 bytes long respectively. Let's<a name="line.54"></a>
-<span class="sourceLineNo">055</span> * assume that we need to fetch all users that performed certain action (encoded as "99") in Jan of<a name="line.55"></a>
-<span class="sourceLineNo">056</span> * any year. Then the pair (row key, fuzzy info) would be the following: row key = "????_99_????_01"<a name="line.56"></a>
-<span class="sourceLineNo">057</span> * (one can use any value instead of "?") fuzzy info =<a name="line.57"></a>
-<span class="sourceLineNo">058</span> * "\x01\x01\x01\x01\x00\x00\x00\x00\x01\x01\x01\x01\x00\x00\x00" I.e. fuzzy info tells the matching<a name="line.58"></a>
-<span class="sourceLineNo">059</span> * mask is "????_99_????_01", where at ? can be any value.<a name="line.59"></a>
-<span class="sourceLineNo">060</span> */<a name="line.60"></a>
-<span class="sourceLineNo">061</span>@InterfaceAudience.Public<a name="line.61"></a>
-<span class="sourceLineNo">062</span>public class FuzzyRowFilter extends FilterBase {<a name="line.62"></a>
-<span class="sourceLineNo">063</span> private static final boolean UNSAFE_UNALIGNED = UnsafeAvailChecker.unaligned();<a name="line.63"></a>
-<span class="sourceLineNo">064</span> private List<Pair<byte[], byte[]>> fuzzyKeysData;<a name="line.64"></a>
-<span class="sourceLineNo">065</span> private boolean done = false;<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> * The index of a last successfully found matching fuzzy string (in fuzzyKeysData). We will start<a name="line.68"></a>
-<span class="sourceLineNo">069</span> * matching next KV with this one. If they do not match then we will return back to the one-by-one<a name="line.69"></a>
-<span class="sourceLineNo">070</span> * iteration over fuzzyKeysData.<a name="line.70"></a>
-<span class="sourceLineNo">071</span> */<a name="line.71"></a>
-<span class="sourceLineNo">072</span> private int lastFoundIndex = -1;<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> * Row tracker (keeps all next rows after SEEK_NEXT_USING_HINT was returned)<a name="line.75"></a>
-<span class="sourceLineNo">076</span> */<a name="line.76"></a>
-<span class="sourceLineNo">077</span> private RowTracker tracker;<a name="line.77"></a>
-<span class="sourceLineNo">078</span><a name="line.78"></a>
-<span class="sourceLineNo">079</span> public FuzzyRowFilter(List<Pair<byte[], byte[]>> fuzzyKeysData) {<a name="line.79"></a>
-<span class="sourceLineNo">080</span> List<Pair<byte[], byte[]>> fuzzyKeyDataCopy = new ArrayList<>(fuzzyKeysData.size());<a name="line.80"></a>
-<span class="sourceLineNo">081</span><a name="line.81"></a>
-<span class="sourceLineNo">082</span> for (Pair<byte[], byte[]> aFuzzyKeysData : fuzzyKeysData) {<a name="line.82"></a>
-<span class="sourceLineNo">083</span> if (aFuzzyKeysData.getFirst().length != aFuzzyKeysData.getSecond().length) {<a name="line.83"></a>
-<span class="sourceLineNo">084</span> Pair<String, String> readable =<a name="line.84"></a>
-<span class="sourceLineNo">085</span> new Pair<>(Bytes.toStringBinary(aFuzzyKeysData.getFirst()), Bytes.toStringBinary(aFuzzyKeysData.getSecond()));<a name="line.85"></a>
-<span class="sourceLineNo">086</span> throw new IllegalArgumentException("Fuzzy pair lengths do not match: " + readable);<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> Pair<byte[], byte[]> p = new Pair<>();<a name="line.89"></a>
-<span class="sourceLineNo">090</span> // create a copy of pair bytes so that they are not modified by the filter.<a name="line.90"></a>
-<span class="sourceLineNo">091</span> p.setFirst(Arrays.copyOf(aFuzzyKeysData.getFirst(), aFuzzyKeysData.getFirst().length));<a name="line.91"></a>
-<span class="sourceLineNo">092</span> p.setSecond(Arrays.copyOf(aFuzzyKeysData.getSecond(), aFuzzyKeysData.getSecond().length));<a name="line.92"></a>
-<span class="sourceLineNo">093</span><a name="line.93"></a>
-<span class="sourceLineNo">094</span> // update mask ( 0 -> -1 (0xff), 1 -> 2)<a name="line.94"></a>
-<span class="sourceLineNo">095</span> p.setSecond(preprocessMask(p.getSecond()));<a name="line.95"></a>
-<span class="sourceLineNo">096</span> preprocessSearchKey(p);<a name="line.96"></a>
-<span class="sourceLineNo">097</span><a name="line.97"></a>
-<span class="sourceLineNo">098</span> fuzzyKeyDataCopy.add(p);<a name="line.98"></a>
-<span class="sourceLineNo">099</span> }<a name="line.99"></a>
-<span class="sourceLineNo">100</span> this.fuzzyKeysData = fuzzyKeyDataCopy;<a name="line.100"></a>
-<span class="sourceLineNo">101</span> this.tracker = new RowTracker();<a name="line.101"></a>
-<span class="sourceLineNo">102</span> }<a name="line.102"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.UnsafeAvailChecker;<a name="line.38"></a>
+<span class="sourceLineNo">039</span><a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.40"></a>
+<span class="sourceLineNo">041</span><a name="line.41"></a>
+<span class="sourceLineNo">042</span>/**<a name="line.42"></a>
+<span class="sourceLineNo">043</span> * This is optimized version of a standard FuzzyRowFilter Filters data based on fuzzy row key.<a name="line.43"></a>
+<span class="sourceLineNo">044</span> * Performs fast-forwards during scanning. It takes pairs (row key, fuzzy info) to match row keys.<a name="line.44"></a>
+<span class="sourceLineNo">045</span> * Where fuzzy info is a byte array with 0 or 1 as its values:<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * <ul><a name="line.46"></a>
+<span class="sourceLineNo">047</span> * <li>0 - means that this byte in provided row key is fixed, i.e. row key's byte at same position<a name="line.47"></a>
+<span class="sourceLineNo">048</span> * must match</li><a name="line.48"></a>
+<span class="sourceLineNo">049</span> * <li>1 - means that this byte in provided row key is NOT fixed, i.e. row key's byte at this<a name="line.49"></a>
+<span class="sourceLineNo">050</span> * position can be different from the one in provided row key</li><a name="line.50"></a>
+<span class="sourceLineNo">051</span> * </ul><a name="line.51"></a>
+<span class="sourceLineNo">052</span> * Example: Let's assume row key format is userId_actionId_year_month. Length of userId is fixed and<a name="line.52"></a>
+<span class="sourceLineNo">053</span> * is 4, length of actionId is 2 and year and month are 4 and 2 bytes long respectively. Let's<a name="line.53"></a>
+<span class="sourceLineNo">054</span> * assume that we need to fetch all users that performed certain action (encoded as "99") in Jan of<a name="line.54"></a>
+<span class="sourceLineNo">055</span> * any year. Then the pair (row key, fuzzy info) would be the following: row key = "????_99_????_01"<a name="line.55"></a>
+<span class="sourceLineNo">056</span> * (one can use any value instead of "?") fuzzy info =<a name="line.56"></a>
+<span class="sourceLineNo">057</span> * "\x01\x01\x01\x01\x00\x00\x00\x00\x01\x01\x01\x01\x00\x00\x00" I.e. fuzzy info tells the matching<a name="line.57"></a>
+<span class="sourceLineNo">058</span> * mask is "????_99_????_01", where at ? can be any value.<a name="line.58"></a>
+<span class="sourceLineNo">059</span> */<a name="line.59"></a>
+<span class="sourceLineNo">060</span>@InterfaceAudience.Public<a name="line.60"></a>
+<span class="sourceLineNo">061</span>public class FuzzyRowFilter extends FilterBase {<a name="line.61"></a>
+<span class="sourceLineNo">062</span> private static final boolean UNSAFE_UNALIGNED = UnsafeAvailChecker.unaligned();<a name="line.62"></a>
+<span class="sourceLineNo">063</span> private List<Pair<byte[], byte[]>> fuzzyKeysData;<a name="line.63"></a>
+<span class="sourceLineNo">064</span> private boolean done = false;<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> * The index of a last successfully found matching fuzzy string (in fuzzyKeysData). We will start<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * matching next KV with this one. If they do not match then we will return back to the one-by-one<a name="line.68"></a>
+<span class="sourceLineNo">069</span> * iteration over fuzzyKeysData.<a name="line.69"></a>
+<span class="sourceLineNo">070</span> */<a name="line.70"></a>
+<span class="sourceLineNo">071</span> private int lastFoundIndex = -1;<a name="line.71"></a>
+<span class="sourceLineNo">072</span><a name="line.72"></a>
+<span class="sourceLineNo">073</span> /**<a name="line.73"></a>
+<span class="sourceLineNo">074</span> * Row tracker (keeps all next rows after SEEK_NEXT_USING_HINT was returned)<a name="line.74"></a>
+<span class="sourceLineNo">075</span> */<a name="line.75"></a>
+<span class="sourceLineNo">076</span> private RowTracker tracker;<a name="line.76"></a>
+<span class="sourceLineNo">077</span><a name="line.77"></a>
+<span class="sourceLineNo">078</span> public FuzzyRowFilter(List<Pair<byte[], byte[]>> fuzzyKeysData) {<a name="line.78"></a>
+<span class="sourceLineNo">079</span> List<Pair<byte[], byte[]>> fuzzyKeyDataCopy = new ArrayList<>(fuzzyKeysData.size());<a name="line.79"></a>
+<span class="sourceLineNo">080</span><a name="line.80"></a>
+<span class="sourceLineNo">081</span> for (Pair<byte[], byte[]> aFuzzyKeysData : fuzzyKeysData) {<a name="line.81"></a>
+<span class="sourceLineNo">082</span> if (aFuzzyKeysData.getFirst().length != aFuzzyKeysData.getSecond().length) {<a name="line.82"></a>
+<span class="sourceLineNo">083</span> Pair<String, String> readable =<a name="line.83"></a>
+<span class="sourceLineNo">084</span> new Pair<>(Bytes.toStringBinary(aFuzzyKeysData.getFirst()), Bytes.toStringBinary(aFuzzyKeysData.getSecond()));<a name="line.84"></a>
+<span class="sourceLineNo">085</span> throw new IllegalArgumentException("Fuzzy pair lengths do not match: " + readable);<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> Pair<byte[], byte[]> p = new Pair<>();<a name="line.88"></a>
+<span class="sourceLineNo">089</span> // create a copy of pair bytes so that they are not modified by the filter.<a name="line.89"></a>
+<span class="sourceLineNo">090</span> p.setFirst(Arrays.copyOf(aFuzzyKeysData.getFirst(), aFuzzyKeysData.getFirst().length));<a name="line.90"></a>
+<span class="sourceLineNo">091</span> p.setSecond(Arrays.copyOf(aFuzzyKeysData.getSecond(), aFuzzyKeysData.getSecond().length));<a name="line.91"></a>
+<span class="sourceLineNo">092</span><a name="line.92"></a>
+<span class="sourceLineNo">093</span> // update mask ( 0 -> -1 (0xff), 1 -> 2)<a name="line.93"></a>
+<span class="sourceLineNo">094</span> p.setSecond(preprocessMask(p.getSecond()));<a name="line.94"></a>
+<span class="sourceLineNo">095</span> preprocessSearchKey(p);<a name="line.95"></a>
+<span class="sourceLineNo">096</span><a name="line.96"></a>
+<span class="sourceLineNo">097</span> fuzzyKeyDataCopy.add(p);<a name="line.97"></a>
+<span class="sourceLineNo">098</span> }<a name="line.98"></a>
+<span class="sourceLineNo">099</span> this.fuzzyKeysData = fuzzyKeyDataCopy;<a name="line.99"></a>
+<span class="sourceLineNo">100</span> this.tracker = new RowTracker();<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><a name="line.103"></a>
-<span class="sourceLineNo">104</span><a name="line.104"></a>
-<span class="sourceLineNo">105</span> private void preprocessSearchKey(Pair<byte[], byte[]> p) {<a name="line.105"></a>
-<span class="sourceLineNo">106</span> if (!UNSAFE_UNALIGNED) {<a name="line.106"></a>
-<span class="sourceLineNo">107</span> // do nothing<a name="line.107"></a>
-<span class="sourceLineNo">108</span> return;<a name="line.108"></a>
-<span class="sourceLineNo">109</span> }<a name="line.109"></a>
-<span class="sourceLineNo">110</span> byte[] key = p.getFirst();<a name="line.110"></a>
-<span class="sourceLineNo">111</span> byte[] mask = p.getSecond();<a name="line.111"></a>
-<span class="sourceLineNo">112</span> for (int i = 0; i < mask.length; i++) {<a name="line.112"></a>
-<span class="sourceLineNo">113</span> // set non-fixed part of a search key to 0.<a name="line.113"></a>
-<span class="sourceLineNo">114</span> if (mask[i] == 2) {<a name="line.114"></a>
-<span class="sourceLineNo">115</span> key[i] = 0;<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><a name="line.119"></a>
-<span class="sourceLineNo">120</span> /**<a name="line.120"></a>
-<span class="sourceLineNo">121</span> * We need to preprocess mask array, as since we treat 2's as unfixed positions and -1 (0xff) as<a name="line.121"></a>
-<span class="sourceLineNo">122</span> * fixed positions<a name="line.122"></a>
-<span class="sourceLineNo">123</span> * @param mask<a name="line.123"></a>
-<span class="sourceLineNo">124</span> * @return mask array<a name="line.124"></a>
-<span class="sourceLineNo">125</span> */<a name="line.125"></a>
-<span class="sourceLineNo">126</span> private byte[] preprocessMask(byte[] mask) {<a name="line.126"></a>
-<span class="sourceLineNo">127</span> if (!UNSAFE_UNALIGNED) {<a name="line.127"></a>
-<span class="sourceLineNo">128</span> // do nothing<a name="line.128"></a>
-<span class="sourceLineNo">129</span> return mask;<a name="line.129"></a>
-<span class="sourceLineNo">130</span> }<a name="line.130"></a>
-<span class="sourceLineNo">131</span> if (isPreprocessedMask(mask)) return mask;<a name="line.131"></a>
-<span class="sourceLineNo">132</span> for (int i = 0; i < mask.length; i++) {<a name="line.132"></a>
-<span class="sourceLineNo">133</span> if (mask[i] == 0) {<a name="line.133"></a>
-<span class="sourceLineNo">134</span> mask[i] = -1; // 0 -> -1<a name="line.134"></a>
-<span class="sourceLineNo">135</span> } else if (mask[i] == 1) {<a name="line.135"></a>
-<span class="sourceLineNo">136</span> mask[i] = 2;// 1 -> 2<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> return mask;<a name="line.139"></a>
-<span class="sourceLineNo">140</span> }<a name="line.140"></a>
-<span class="sourceLineNo">141</span><a name="line.141"></a>
-<span class="sourceLineNo">142</span> private boolean isPreprocessedMask(byte[] mask) {<a name="line.142"></a>
-<span class="sourceLineNo">143</span> for (int i = 0; i < mask.length; i++) {<a name="line.143"></a>
-<span class="sourceLineNo">144</span> if (mask[i] != -1 && mask[i] != 2) {<a name="line.144"></a>
-<span class="sourceLineNo">145</span> return false;<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 true;<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> @Deprecated<a name="line.151"></a>
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-<span class="sourceLineNo">153</span> public ReturnCode filterKeyValue(final Cell c) {<a name="line.153"></a>
-<span class="sourceLineNo">154</span> return filterCell(c);<a name="line.154"></a>
-<span class="sourceLineNo">155</span> }<a name="line.155"></a>
-<span class="sourceLineNo">156</span><a name="line.156"></a>
-<span class="sourceLineNo">157</span> @Override<a name="line.157"></a>
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-<span class="sourceLineNo">159</span> final int startIndex = lastFoundIndex >= 0 ? lastFoundIndex : 0;<a name="line.159"></a>
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-<span class="sourceLineNo">162</span> final int index = i % size;<a name="line.162"></a>
-<span class="sourceLineNo">163</span> Pair<byte[], byte[]> fuzzyData = fuzzyKeysData.get(index);<a name="line.163"></a>
-<span class="sourceLineNo">164</span> // This shift is idempotent - always end up with 0 and -1 as mask values.<a name="line.164"></a>
-<span class="sourceLineNo">165</span> for (int j = 0; j < fuzzyData.getSecond().length; j++) {<a name="line.165"></a>
-<span class="sourceLineNo">166</span> fuzzyData.getSecond()[j] >>= 2;<a name="line.166"></a>
-<span class="sourceLineNo">167</span> }<a name="line.167"></a>
-<span class="sourceLineNo">168</span> SatisfiesCode satisfiesCode =<a name="line.168"></a>
-<span class="sourceLineNo">169</span> satisfies(isReversed(), c.getRowArray(), c.getRowOffset(), c.getRowLength(),<a name="line.169"></a>
-<span class="sourceLineNo">170</span> fuzzyData.getFirst(), fuzzyData.getSecond());<a name="line.170"></a>
-<span class="sourceLineNo">171</span> if (satisfiesCode == SatisfiesCode.YES) {<a name="line.171"></a>
-<span class="sourceLineNo">172</span> lastFoundIndex = index;<a name="line.172"></a>
-<span class="sourceLineNo">173</span> return ReturnCode.INCLUDE;<a name="line.173"></a>
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-<span class="sourceLineNo">175</span> }<a name="line.175"></a>
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-<span class="sourceLineNo">177</span> lastFoundIndex = -1;<a name="line.177"></a>
-<span class="sourceLineNo">178</span><a name="line.178"></a>
-<span class="sourceLineNo">179</span> return ReturnCode.SEEK_NEXT_USING_HINT;<a name="line.179"></a>
-<span class="sourceLineNo">180</span><a name="line.180"></a>
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-<span class="sourceLineNo">183</span> @Override<a name="line.183"></a>
-<span class="sourceLineNo">184</span> public Cell getNextCellHint(Cell currentCell) {<a name="line.184"></a>
-<span class="sourceLineNo">185</span> boolean result = tracker.updateTracker(currentCell);<a name="line.185"></a>
-<span class="sourceLineNo">186</span> if (result == false) {<a name="line.186"></a>
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-<span class="sourceLineNo">188</span> return null;<a name="line.188"></a>
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