http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e9a81b89/devapidocs/src-html/org/apache/hadoop/hbase/filter/RegexStringComparator.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/filter/RegexStringComparator.html b/devapidocs/src-html/org/apache/hadoop/hbase/filter/RegexStringComparator.html index ce6ff26..577439c 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/filter/RegexStringComparator.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/filter/RegexStringComparator.html @@ -77,353 +77,354 @@ <span class="sourceLineNo">069</span> * @see java.util.regex.Pattern<a name="line.69"></a> <span class="sourceLineNo">070</span> */<a name="line.70"></a> <span class="sourceLineNo">071</span>@InterfaceAudience.Public<a name="line.71"></a> -<span class="sourceLineNo">072</span>public class RegexStringComparator extends ByteArrayComparable {<a name="line.72"></a> -<span class="sourceLineNo">073</span><a name="line.73"></a> -<span class="sourceLineNo">074</span> private static final Logger LOG = LoggerFactory.getLogger(RegexStringComparator.class);<a name="line.74"></a> -<span class="sourceLineNo">075</span><a name="line.75"></a> -<span class="sourceLineNo">076</span> private Engine engine;<a name="line.76"></a> -<span class="sourceLineNo">077</span><a name="line.77"></a> -<span class="sourceLineNo">078</span> /** Engine implementation type (default=JAVA) */<a name="line.78"></a> -<span class="sourceLineNo">079</span> @InterfaceAudience.Public<a name="line.79"></a> -<span class="sourceLineNo">080</span> public enum EngineType {<a name="line.80"></a> -<span class="sourceLineNo">081</span> JAVA,<a name="line.81"></a> -<span class="sourceLineNo">082</span> JONI<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> /**<a 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class="sourceLineNo">120</span> super(Bytes.toBytes(expr));<a name="line.120"></a> -<span class="sourceLineNo">121</span> switch (engine) {<a name="line.121"></a> -<span class="sourceLineNo">122</span> case JAVA:<a name="line.122"></a> -<span class="sourceLineNo">123</span> this.engine = new JavaRegexEngine(expr, flags);<a name="line.123"></a> -<span class="sourceLineNo">124</span> break;<a name="line.124"></a> -<span class="sourceLineNo">125</span> case JONI:<a name="line.125"></a> -<span class="sourceLineNo">126</span> this.engine = new JoniRegexEngine(expr, flags);<a name="line.126"></a> -<span class="sourceLineNo">127</span> break;<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><a name="line.130"></a> -<span class="sourceLineNo">131</span> /**<a name="line.131"></a> -<span class="sourceLineNo">132</span> * Specifies the {@link Charset} to use to convert the row key to a String.<a name="line.132"></a> -<span class="sourceLineNo">133</span> * <p><a name="line.133"></a> -<span class="sourceLineNo">134</span> * The row key needs to be converted to a String in order to be matched<a name="line.134"></a> -<span class="sourceLineNo">135</span> * against the regular expression. 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name="line.287"></a> -<span class="sourceLineNo">288</span><a name="line.288"></a> -<span class="sourceLineNo">289</span> @Override<a name="line.289"></a> -<span class="sourceLineNo">290</span> public int compareTo(byte[] value, int offset, int length) {<a name="line.290"></a> -<span class="sourceLineNo">291</span> // Use find() for subsequence match instead of matches() (full sequence<a name="line.291"></a> -<span class="sourceLineNo">292</span> // match) to adhere to the principle of least surprise.<a name="line.292"></a> -<span class="sourceLineNo">293</span> String tmp;<a name="line.293"></a> -<span class="sourceLineNo">294</span> if (length < value.length / 2) {<a name="line.294"></a> -<span class="sourceLineNo">295</span> // See HBASE-9428. 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class="sourceLineNo">306</span> ComparatorProtos.RegexStringComparator.Builder builder =<a name="line.306"></a> -<span class="sourceLineNo">307</span> ComparatorProtos.RegexStringComparator.newBuilder();<a name="line.307"></a> -<span class="sourceLineNo">308</span> builder.setPattern(pattern.pattern());<a name="line.308"></a> -<span class="sourceLineNo">309</span> builder.setPatternFlags(pattern.flags());<a name="line.309"></a> -<span class="sourceLineNo">310</span> builder.setCharset(charset.name());<a name="line.310"></a> -<span class="sourceLineNo">311</span> builder.setEngine(EngineType.JAVA.name());<a name="line.311"></a> -<span class="sourceLineNo">312</span> return builder.build().toByteArray();<a name="line.312"></a> -<span class="sourceLineNo">313</span> }<a name="line.313"></a> -<span class="sourceLineNo">314</span> }<a name="line.314"></a> -<span class="sourceLineNo">315</span><a name="line.315"></a> -<span class="sourceLineNo">316</span> /**<a name="line.316"></a> -<span class="sourceLineNo">317</span> * Implementation of the Engine interface using Jruby's joni regex engine.<a name="line.317"></a> -<span class="sourceLineNo">318</span> * <p><a name="line.318"></a> -<span class="sourceLineNo">319</span> * This engine operates on byte arrays directly so is expected to be more GC<a name="line.319"></a> -<span class="sourceLineNo">320</span> * friendly, and reportedly is twice as fast as Java's Pattern engine.<a name="line.320"></a> -<span class="sourceLineNo">321</span> * <p><a name="line.321"></a> -<span class="sourceLineNo">322</span> * NOTE: Only the {@link Pattern} flags CASE_INSENSITIVE, DOTALL, and<a name="line.322"></a> -<span class="sourceLineNo">323</span> * MULTILINE are supported.<a name="line.323"></a> -<span class="sourceLineNo">324</span> */<a name="line.324"></a> -<span class="sourceLineNo">325</span> static class JoniRegexEngine implements Engine {<a name="line.325"></a> -<span class="sourceLineNo">326</span> private Encoding encoding = 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name="line.337"></a> -<span class="sourceLineNo">338</span> return regex;<a name="line.338"></a> -<span class="sourceLineNo">339</span> }<a name="line.339"></a> -<span class="sourceLineNo">340</span><a name="line.340"></a> -<span class="sourceLineNo">341</span> @Override<a name="line.341"></a> -<span class="sourceLineNo">342</span> public int getFlags() {<a name="line.342"></a> -<span class="sourceLineNo">343</span> return pattern.getOptions();<a name="line.343"></a> -<span class="sourceLineNo">344</span> }<a name="line.344"></a> -<span class="sourceLineNo">345</span><a name="line.345"></a> -<span class="sourceLineNo">346</span> @Override<a name="line.346"></a> -<span class="sourceLineNo">347</span> public String getCharset() {<a name="line.347"></a> -<span class="sourceLineNo">348</span> return encoding.getCharsetName();<a name="line.348"></a> -<span class="sourceLineNo">349</span> }<a name="line.349"></a> -<span class="sourceLineNo">350</span><a name="line.350"></a> -<span class="sourceLineNo">351</span> @Override<a name="line.351"></a> -<span class="sourceLineNo">352</span> public void setCharset(String name) {<a name="line.352"></a> -<span class="sourceLineNo">353</span> setEncoding(name);<a name="line.353"></a> -<span class="sourceLineNo">354</span> }<a name="line.354"></a> -<span class="sourceLineNo">355</span><a name="line.355"></a> -<span class="sourceLineNo">356</span> @Override<a name="line.356"></a> -<span class="sourceLineNo">357</span> public int compareTo(byte[] value, int offset, int length) {<a name="line.357"></a> -<span class="sourceLineNo">358</span> // Use subsequence match instead of full sequence match to adhere to the<a name="line.358"></a> -<span class="sourceLineNo">359</span> // principle of least surprise.<a name="line.359"></a> -<span class="sourceLineNo">360</span> Matcher m = pattern.matcher(value);<a name="line.360"></a> -<span class="sourceLineNo">361</span> return m.search(offset, length, pattern.getOptions()) < 0 ? 1 : 0;<a name="line.361"></a> -<span class="sourceLineNo">362</span> }<a name="line.362"></a> -<span class="sourceLineNo">363</span><a name="line.363"></a> -<span class="sourceLineNo">364</span> @Override<a name="line.364"></a> -<span class="sourceLineNo">365</span> public byte[] toByteArray() {<a name="line.365"></a> -<span class="sourceLineNo">366</span> ComparatorProtos.RegexStringComparator.Builder builder =<a name="line.366"></a> -<span class="sourceLineNo">367</span> ComparatorProtos.RegexStringComparator.newBuilder();<a name="line.367"></a> -<span class="sourceLineNo">368</span> builder.setPattern(regex);<a name="line.368"></a> -<span class="sourceLineNo">369</span> builder.setPatternFlags(joniToPatternFlags(pattern.getOptions()));<a name="line.369"></a> -<span class="sourceLineNo">370</span> builder.setCharset(encoding.getCharsetName());<a name="line.370"></a> -<span class="sourceLineNo">371</span> builder.setEngine(EngineType.JONI.name());<a name="line.371"></a> -<span 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class="sourceLineNo">414</span> throw new IllegalCharsetNameException(name);<a name="line.414"></a> -<span class="sourceLineNo">415</span> }<a name="line.415"></a> -<span class="sourceLineNo">416</span> }<a name="line.416"></a> -<span class="sourceLineNo">417</span> }<a name="line.417"></a> -<span class="sourceLineNo">418</span>}<a name="line.418"></a> +<span class="sourceLineNo">072</span>@SuppressWarnings("ComparableType") // Should this move to Comparator usage?<a name="line.72"></a> +<span class="sourceLineNo">073</span>public class RegexStringComparator extends ByteArrayComparable {<a name="line.73"></a> +<span class="sourceLineNo">074</span><a name="line.74"></a> +<span class="sourceLineNo">075</span> private static final Logger LOG = LoggerFactory.getLogger(RegexStringComparator.class);<a name="line.75"></a> +<span class="sourceLineNo">076</span><a name="line.76"></a> +<span class="sourceLineNo">077</span> private Engine engine;<a name="line.77"></a> +<span class="sourceLineNo">078</span><a name="line.78"></a> +<span class="sourceLineNo">079</span> /** Engine implementation type (default=JAVA) */<a name="line.79"></a> +<span class="sourceLineNo">080</span> @InterfaceAudience.Public<a name="line.80"></a> +<span class="sourceLineNo">081</span> public enum EngineType {<a name="line.81"></a> +<span class="sourceLineNo">082</span> JAVA,<a name="line.82"></a> +<span class="sourceLineNo">083</span> JONI<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> * Constructor<a name="line.87"></a> +<span class="sourceLineNo">088</span> * Adds Pattern.DOTALL to the underlying Pattern<a name="line.88"></a> +<span class="sourceLineNo">089</span> * @param expr a valid regular expression<a name="line.89"></a> +<span class="sourceLineNo">090</span> */<a 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class="sourceLineNo">114</span> /**<a name="line.114"></a> +<span class="sourceLineNo">115</span> * Constructor<a name="line.115"></a> +<span class="sourceLineNo">116</span> * @param expr a valid regular expression<a name="line.116"></a> +<span class="sourceLineNo">117</span> * @param flags java.util.regex.Pattern flags<a name="line.117"></a> +<span class="sourceLineNo">118</span> * @param engine engine implementation type<a name="line.118"></a> +<span class="sourceLineNo">119</span> */<a name="line.119"></a> +<span class="sourceLineNo">120</span> public RegexStringComparator(String expr, int flags, EngineType engine) {<a name="line.120"></a> +<span class="sourceLineNo">121</span> super(Bytes.toBytes(expr));<a name="line.121"></a> +<span class="sourceLineNo">122</span> switch (engine) {<a name="line.122"></a> +<span class="sourceLineNo">123</span> case JAVA:<a name="line.123"></a> +<span class="sourceLineNo">124</span> this.engine = new JavaRegexEngine(expr, flags);<a 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expression. 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name="line.147"></a> +<span class="sourceLineNo">148</span> public int compareTo(byte[] value, int offset, int length) {<a name="line.148"></a> +<span class="sourceLineNo">149</span> return engine.compareTo(value, offset, length);<a name="line.149"></a> +<span class="sourceLineNo">150</span> }<a name="line.150"></a> +<span class="sourceLineNo">151</span><a name="line.151"></a> +<span class="sourceLineNo">152</span> /**<a name="line.152"></a> +<span class="sourceLineNo">153</span> * @return The comparator serialized using pb<a name="line.153"></a> +<span class="sourceLineNo">154</span> */<a name="line.154"></a> +<span class="sourceLineNo">155</span> @Override<a name="line.155"></a> +<span class="sourceLineNo">156</span> public byte [] toByteArray() {<a name="line.156"></a> +<span class="sourceLineNo">157</span> return engine.toByteArray();<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> * @param pbBytes A pb serialized {@link RegexStringComparator} instance<a name="line.161"></a> +<span class="sourceLineNo">162</span> * @return An instance of {@link RegexStringComparator} made from <code>bytes</code><a name="line.162"></a> +<span class="sourceLineNo">163</span> * @throws DeserializationException<a name="line.163"></a> +<span class="sourceLineNo">164</span> * @see #toByteArray<a name="line.164"></a> +<span class="sourceLineNo">165</span> */<a name="line.165"></a> +<span class="sourceLineNo">166</span> public static RegexStringComparator parseFrom(final byte [] pbBytes)<a name="line.166"></a> +<span class="sourceLineNo">167</span> throws DeserializationException {<a name="line.167"></a> +<span class="sourceLineNo">168</span> ComparatorProtos.RegexStringComparator proto;<a name="line.168"></a> +<span class="sourceLineNo">169</span> try {<a name="line.169"></a> +<span class="sourceLineNo">170</span> proto = ComparatorProtos.RegexStringComparator.parseFrom(pbBytes);<a name="line.170"></a> +<span class="sourceLineNo">171</span> } catch (InvalidProtocolBufferException e) {<a name="line.171"></a> +<span class="sourceLineNo">172</span> throw new DeserializationException(e);<a name="line.172"></a> +<span class="sourceLineNo">173</span> }<a name="line.173"></a> +<span class="sourceLineNo">174</span> RegexStringComparator comparator;<a name="line.174"></a> +<span class="sourceLineNo">175</span> if (proto.hasEngine()) {<a name="line.175"></a> +<span class="sourceLineNo">176</span> EngineType engine = EngineType.valueOf(proto.getEngine());<a name="line.176"></a> +<span class="sourceLineNo">177</span> comparator = new RegexStringComparator(proto.getPattern(), proto.getPatternFlags(),<a name="line.177"></a> +<span class="sourceLineNo">178</span> engine);<a name="line.178"></a> +<span class="sourceLineNo">179</span> } else {<a name="line.179"></a> +<span class="sourceLineNo">180</span> comparator = new RegexStringComparator(proto.getPattern(), proto.getPatternFlags());<a name="line.180"></a> +<span class="sourceLineNo">181</span> }<a name="line.181"></a> +<span class="sourceLineNo">182</span> String charset = proto.getCharset();<a name="line.182"></a> +<span class="sourceLineNo">183</span> if (charset.length() > 0) {<a name="line.183"></a> +<span class="sourceLineNo">184</span> try {<a name="line.184"></a> +<span class="sourceLineNo">185</span> comparator.getEngine().setCharset(charset);<a name="line.185"></a> +<span class="sourceLineNo">186</span> } catch (IllegalCharsetNameException e) {<a name="line.186"></a> +<span class="sourceLineNo">187</span> LOG.error("invalid charset", e);<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> +<span class="sourceLineNo">190</span> return comparator;<a name="line.190"></a> +<span class="sourceLineNo">191</span> }<a name="line.191"></a> +<span class="sourceLineNo">192</span><a name="line.192"></a> +<span class="sourceLineNo">193</span> /**<a name="line.193"></a> +<span class="sourceLineNo">194</span> * @param other<a name="line.194"></a> +<span class="sourceLineNo">195</span> * @return true if and only if the fields of the comparator that are serialized<a name="line.195"></a> +<span class="sourceLineNo">196</span> * are equal to the corresponding fields in other. Used for testing.<a name="line.196"></a> +<span class="sourceLineNo">197</span> */<a name="line.197"></a> +<span class="sourceLineNo">198</span> @Override<a name="line.198"></a> +<span class="sourceLineNo">199</span> boolean areSerializedFieldsEqual(ByteArrayComparable other) {<a name="line.199"></a> +<span class="sourceLineNo">200</span> if (other == this) return true;<a name="line.200"></a> +<span class="sourceLineNo">201</span> if (!(other instanceof RegexStringComparator)) return false;<a name="line.201"></a> +<span class="sourceLineNo">202</span> RegexStringComparator comparator = (RegexStringComparator)other;<a name="line.202"></a> +<span class="sourceLineNo">203</span> return super.areSerializedFieldsEqual(comparator)<a name="line.203"></a> +<span class="sourceLineNo">204</span> && engine.getClass().isInstance(comparator.getEngine())<a name="line.204"></a> +<span class="sourceLineNo">205</span> && engine.getPattern().equals(comparator.getEngine().getPattern())<a 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class="sourceLineNo">229</span> int getFlags();<a name="line.229"></a> +<span class="sourceLineNo">230</span><a name="line.230"></a> +<span class="sourceLineNo">231</span> /**<a name="line.231"></a> +<span class="sourceLineNo">232</span> * Returns the name of the configured charset<a name="line.232"></a> +<span class="sourceLineNo">233</span> */<a name="line.233"></a> +<span class="sourceLineNo">234</span> String getCharset();<a name="line.234"></a> +<span class="sourceLineNo">235</span><a name="line.235"></a> +<span class="sourceLineNo">236</span> /**<a name="line.236"></a> +<span class="sourceLineNo">237</span> * Set the charset used when matching<a name="line.237"></a> +<span class="sourceLineNo">238</span> * @param charset the name of the desired charset for matching<a name="line.238"></a> +<span class="sourceLineNo">239</span> */<a name="line.239"></a> +<span class="sourceLineNo">240</span> void setCharset(final String charset);<a name="line.240"></a> +<span 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class="sourceLineNo">276</span> public int getFlags() {<a name="line.276"></a> +<span class="sourceLineNo">277</span> return pattern.flags();<a name="line.277"></a> +<span class="sourceLineNo">278</span> }<a name="line.278"></a> +<span class="sourceLineNo">279</span><a name="line.279"></a> +<span class="sourceLineNo">280</span> @Override<a name="line.280"></a> +<span class="sourceLineNo">281</span> public String getCharset() {<a name="line.281"></a> +<span class="sourceLineNo">282</span> return charset.name();<a name="line.282"></a> +<span class="sourceLineNo">283</span> }<a name="line.283"></a> +<span class="sourceLineNo">284</span><a name="line.284"></a> +<span class="sourceLineNo">285</span> @Override<a name="line.285"></a> +<span class="sourceLineNo">286</span> public void setCharset(String charset) {<a name="line.286"></a> +<span class="sourceLineNo">287</span> this.charset = Charset.forName(charset);<a name="line.287"></a> +<span class="sourceLineNo">288</span> }<a name="line.288"></a> +<span class="sourceLineNo">289</span><a name="line.289"></a> +<span class="sourceLineNo">290</span> @Override<a name="line.290"></a> +<span class="sourceLineNo">291</span> public int compareTo(byte[] value, int offset, int length) {<a name="line.291"></a> +<span class="sourceLineNo">292</span> // Use find() for subsequence match instead of matches() (full sequence<a name="line.292"></a> +<span class="sourceLineNo">293</span> // match) to adhere to the principle of least surprise.<a name="line.293"></a> +<span class="sourceLineNo">294</span> String tmp;<a name="line.294"></a> +<span class="sourceLineNo">295</span> if (length < value.length / 2) {<a name="line.295"></a> +<span class="sourceLineNo">296</span> // See HBASE-9428. 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class="sourceLineNo">307</span> ComparatorProtos.RegexStringComparator.Builder builder =<a name="line.307"></a> +<span class="sourceLineNo">308</span> ComparatorProtos.RegexStringComparator.newBuilder();<a name="line.308"></a> +<span class="sourceLineNo">309</span> builder.setPattern(pattern.pattern());<a name="line.309"></a> +<span class="sourceLineNo">310</span> builder.setPatternFlags(pattern.flags());<a name="line.310"></a> +<span class="sourceLineNo">311</span> builder.setCharset(charset.name());<a name="line.311"></a> +<span class="sourceLineNo">312</span> builder.setEngine(EngineType.JAVA.name());<a name="line.312"></a> +<span class="sourceLineNo">313</span> return builder.build().toByteArray();<a name="line.313"></a> +<span class="sourceLineNo">314</span> }<a name="line.314"></a> +<span class="sourceLineNo">315</span> }<a name="line.315"></a> +<span class="sourceLineNo">316</span><a name="line.316"></a> +<span class="sourceLineNo">317</span> /**<a name="line.317"></a> +<span 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class="sourceLineNo">352</span> @Override<a name="line.352"></a> +<span class="sourceLineNo">353</span> public void setCharset(String name) {<a name="line.353"></a> +<span class="sourceLineNo">354</span> setEncoding(name);<a name="line.354"></a> +<span class="sourceLineNo">355</span> }<a name="line.355"></a> +<span class="sourceLineNo">356</span><a name="line.356"></a> +<span class="sourceLineNo">357</span> @Override<a name="line.357"></a> +<span class="sourceLineNo">358</span> public int compareTo(byte[] value, int offset, int length) {<a name="line.358"></a> +<span class="sourceLineNo">359</span> // Use subsequence match instead of full sequence match to adhere to the<a name="line.359"></a> +<span class="sourceLineNo">360</span> // principle of least surprise.<a name="line.360"></a> +<span class="sourceLineNo">361</span> Matcher m = pattern.matcher(value);<a name="line.361"></a> +<span class="sourceLineNo">362</span> return m.search(offset, length, pattern.getOptions()) < 0 ? 1 : 0;<a name="line.362"></a> +<span class="sourceLineNo">363</span> }<a name="line.363"></a> +<span class="sourceLineNo">364</span><a name="line.364"></a> +<span class="sourceLineNo">365</span> @Override<a name="line.365"></a> +<span class="sourceLineNo">366</span> public byte[] toByteArray() {<a name="line.366"></a> +<span class="sourceLineNo">367</span> ComparatorProtos.RegexStringComparator.Builder builder =<a name="line.367"></a> +<span class="sourceLineNo">368</span> ComparatorProtos.RegexStringComparator.newBuilder();<a name="line.368"></a> +<span class="sourceLineNo">369</span> builder.setPattern(regex);<a name="line.369"></a> +<span class="sourceLineNo">370</span> builder.setPatternFlags(joniToPatternFlags(pattern.getOptions()));<a name="line.370"></a> +<span class="sourceLineNo">371</span> builder.setCharset(encoding.getCharsetName());<a name="line.371"></a> +<span class="sourceLineNo">372</span> builder.setEngine(EngineType.JONI.name());<a name="line.372"></a> +<span class="sourceLineNo">373</span> return builder.build().toByteArray();<a name="line.373"></a> +<span class="sourceLineNo">374</span> }<a name="line.374"></a> +<span class="sourceLineNo">375</span><a name="line.375"></a> +<span class="sourceLineNo">376</span> private int patternToJoniFlags(int flags) {<a name="line.376"></a> +<span class="sourceLineNo">377</span> int newFlags = 0;<a name="line.377"></a> +<span class="sourceLineNo">378</span> if ((flags & Pattern.CASE_INSENSITIVE) != 0) {<a name="line.378"></a> +<span class="sourceLineNo">379</span> newFlags |= Option.IGNORECASE;<a name="line.379"></a> +<span class="sourceLineNo">380</span> }<a name="line.380"></a> +<span class="sourceLineNo">381</span> if ((flags & Pattern.DOTALL) != 0) {<a name="line.381"></a> +<span class="sourceLineNo">382</span> // This does NOT mean Pattern.MULTILINE<a name="line.382"></a> +<span class="sourceLineNo">383</span> newFlags |= Option.MULTILINE;<a name="line.383"></a> +<span 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newFlags = 0;<a name="line.395"></a> +<span class="sourceLineNo">396</span> if ((flags & Option.IGNORECASE) != 0) {<a name="line.396"></a> +<span class="sourceLineNo">397</span> newFlags |= Pattern.CASE_INSENSITIVE;<a name="line.397"></a> +<span class="sourceLineNo">398</span> }<a name="line.398"></a> +<span class="sourceLineNo">399</span> // This does NOT mean Pattern.MULTILINE, this is equivalent to Pattern.DOTALL<a name="line.399"></a> +<span class="sourceLineNo">400</span> if ((flags & Option.MULTILINE) != 0) {<a name="line.400"></a> +<span class="sourceLineNo">401</span> newFlags |= Pattern.DOTALL;<a name="line.401"></a> +<span class="sourceLineNo">402</span> }<a name="line.402"></a> +<span class="sourceLineNo">403</span> // This means Pattern.MULTILINE. Nice<a name="line.403"></a> +<span class="sourceLineNo">404</span> if ((flags & Option.NEGATE_SINGLELINE) != 0) {<a name="line.404"></a> +<span class="sourceLineNo">405</span> newFlags |= Pattern.MULTILINE;<a name="line.405"></a> +<span class="sourceLineNo">406</span> }<a name="line.406"></a> +<span class="sourceLineNo">407</span> return newFlags;<a name="line.407"></a> +<span class="sourceLineNo">408</span> }<a name="line.408"></a> +<span class="sourceLineNo">409</span><a name="line.409"></a> +<span class="sourceLineNo">410</span> private void setEncoding(String name) {<a name="line.410"></a> +<span class="sourceLineNo">411</span> EncodingDB.Entry e = EncodingDB.getEncodings().get(Bytes.toBytes(name));<a name="line.411"></a> +<span class="sourceLineNo">412</span> if (e != null) {<a name="line.412"></a> +<span class="sourceLineNo">413</span> encoding = e.getEncoding();<a name="line.413"></a> +<span class="sourceLineNo">414</span> } else {<a name="line.414"></a> +<span class="sourceLineNo">415</span> throw new IllegalCharsetNameException(name);<a name="line.415"></a> +<span class="sourceLineNo">416</span> }<a name="line.416"></a> +<span class="sourceLineNo">417</span> }<a name="line.417"></a> +<span class="sourceLineNo">418</span> }<a name="line.418"></a> +<span class="sourceLineNo">419</span>}<a name="line.419"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e9a81b89/devapidocs/src-html/org/apache/hadoop/hbase/filter/SubstringComparator.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/filter/SubstringComparator.html b/devapidocs/src-html/org/apache/hadoop/hbase/filter/SubstringComparator.html index 2fd419e..3ec71cf 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/filter/SubstringComparator.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/filter/SubstringComparator.html @@ -51,74 +51,75 @@ <span class="sourceLineNo">043</span> * </pre><a name="line.43"></a> <span class="sourceLineNo">044</span> */<a name="line.44"></a> <span class="sourceLineNo">045</span>@InterfaceAudience.Public<a name="line.45"></a> -<span class="sourceLineNo">046</span>public class SubstringComparator extends ByteArrayComparable {<a name="line.46"></a> -<span class="sourceLineNo">047</span><a name="line.47"></a> -<span class="sourceLineNo">048</span> private String substr;<a name="line.48"></a> -<span class="sourceLineNo">049</span><a name="line.49"></a> -<span class="sourceLineNo">050</span> /**<a name="line.50"></a> -<span class="sourceLineNo">051</span> * Constructor<a name="line.51"></a> -<span class="sourceLineNo">052</span> * @param substr the substring<a name="line.52"></a> -<span class="sourceLineNo">053</span> */<a name="line.53"></a> -<span class="sourceLineNo">054</span> public SubstringComparator(String substr) {<a name="line.54"></a> -<span class="sourceLineNo">055</span> super(Bytes.toBytes(substr.toLowerCase(Locale.ROOT)));<a name="line.55"></a> -<span class="sourceLineNo">056</span> this.substr = substr.toLowerCase(Locale.ROOT);<a name="line.56"></a> -<span class="sourceLineNo">057</span> }<a name="line.57"></a> -<span class="sourceLineNo">058</span><a name="line.58"></a> -<span class="sourceLineNo">059</span> @Override<a name="line.59"></a> -<span class="sourceLineNo">060</span> public byte[] getValue() {<a name="line.60"></a> -<span class="sourceLineNo">061</span> return Bytes.toBytes(substr);<a name="line.61"></a> -<span class="sourceLineNo">062</span> }<a name="line.62"></a> -<span class="sourceLineNo">063</span><a name="line.63"></a> -<span class="sourceLineNo">064</span> @Override<a name="line.64"></a> -<span class="sourceLineNo">065</span> public int compareTo(byte[] value, int offset, int length) {<a name="line.65"></a> -<span class="sourceLineNo">066</span> return Bytes.toString(value, offset, length).toLowerCase(Locale.ROOT).contains(substr) ? 0<a name="line.66"></a> -<span class="sourceLineNo">067</span> : 1;<a name="line.67"></a> -<span class="sourceLineNo">068</span> }<a name="line.68"></a> -<span class="sourceLineNo">069</span><a name="line.69"></a> -<span class="sourceLineNo">070</span> /**<a name="line.70"></a> -<span class="sourceLineNo">071</span> * @return The comparator serialized using pb<a name="line.71"></a> -<span class="sourceLineNo">072</span> */<a name="line.72"></a> -<span class="sourceLineNo">073</span> @Override<a name="line.73"></a> -<span class="sourceLineNo">074</span> public byte [] toByteArray() {<a name="line.74"></a> -<span class="sourceLineNo">075</span> ComparatorProtos.SubstringComparator.Builder builder =<a name="line.75"></a> -<span class="sourceLineNo">076</span> ComparatorProtos.SubstringComparator.newBuilder();<a name="line.76"></a> -<span class="sourceLineNo">077</span> builder.setSubstr(this.substr);<a name="line.77"></a> -<span class="sourceLineNo">078</span> return builder.build().toByteArray();<a name="line.78"></a> -<span class="sourceLineNo">079</span> }<a name="line.79"></a> -<span class="sourceLineNo">080</span><a name="line.80"></a> -<span class="sourceLineNo">081</span> /**<a name="line.81"></a> -<span class="sourceLineNo">082</span> * @param pbBytes A pb serialized {@link SubstringComparator} instance<a name="line.82"></a> -<span class="sourceLineNo">083</span> * @return An instance of {@link SubstringComparator} made from <code>bytes</code><a name="line.83"></a> -<span class="sourceLineNo">084</span> * @throws DeserializationException<a name="line.84"></a> -<span class="sourceLineNo">085</span> * @see #toByteArray<a name="line.85"></a> -<span class="sourceLineNo">086</span> */<a name="line.86"></a> -<span class="sourceLineNo">087</span> public static SubstringComparator parseFrom(final byte [] pbBytes)<a name="line.87"></a> -<span class="sourceLineNo">088</span> throws DeserializationException {<a name="line.88"></a> -<span class="sourceLineNo">089</span> ComparatorProtos.SubstringComparator proto;<a name="line.89"></a> -<span class="sourceLineNo">090</span> try {<a name="line.90"></a> -<span class="sourceLineNo">091</span> proto = ComparatorProtos.SubstringComparator.parseFrom(pbBytes);<a name="line.91"></a> -<span class="sourceLineNo">092</span> } catch (InvalidProtocolBufferException e) {<a name="line.92"></a> -<span class="sourceLineNo">093</span> throw new DeserializationException(e);<a name="line.93"></a> -<span class="sourceLineNo">094</span> }<a name="line.94"></a> -<span class="sourceLineNo">095</span> return new SubstringComparator(proto.getSubstr());<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> * @param other<a name="line.99"></a> -<span class="sourceLineNo">100</span> * @return true if and only if the fields of the comparator that are serialized<a name="line.100"></a> -<span class="sourceLineNo">101</span> * are equal to the corresponding fields in other. Used for testing.<a name="line.101"></a> -<span class="sourceLineNo">102</span> */<a name="line.102"></a> -<span class="sourceLineNo">103</span> @Override<a name="line.103"></a> -<span class="sourceLineNo">104</span> boolean areSerializedFieldsEqual(ByteArrayComparable other) {<a name="line.104"></a> -<span class="sourceLineNo">105</span> if (other == this) return true;<a name="line.105"></a> -<span class="sourceLineNo">106</span> if (!(other instanceof SubstringComparator)) return false;<a name="line.106"></a> -<span class="sourceLineNo">107</span><a name="line.107"></a> -<span class="sourceLineNo">108</span> SubstringComparator comparator = (SubstringComparator)other;<a name="line.108"></a> -<span class="sourceLineNo">109</span> return super.areSerializedFieldsEqual(comparator)<a name="line.109"></a> -<span class="sourceLineNo">110</span> && this.substr.equals(comparator.substr);<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>}<a name="line.113"></a> +<span class="sourceLineNo">046</span>@SuppressWarnings("ComparableType") // Should this move to Comparator usage?<a name="line.46"></a> +<span class="sourceLineNo">047</span>public class SubstringComparator extends ByteArrayComparable {<a name="line.47"></a> +<span class="sourceLineNo">048</span><a name="line.48"></a> +<span class="sourceLineNo">049</span> private String substr;<a name="line.49"></a> +<span class="sourceLineNo">050</span><a name="line.50"></a> +<span class="sourceLineNo">051</span> /**<a name="line.51"></a> +<span class="sourceLineNo">052</span> * Constructor<a name="line.52"></a> +<span class="sourceLineNo">053</span> * @param substr the substring<a name="line.53"></a> +<span class="sourceLineNo">054</span> */<a name="line.54"></a> +<span class="sourceLineNo">055</span> public SubstringComparator(String substr) {<a name="line.55"></a> +<span class="sourceLineNo">056</span> super(Bytes.toBytes(substr.toLowerCase(Locale.ROOT)));<a name="line.56"></a> +<span class="sourceLineNo">057</span> this.substr = substr.toLowerCase(Locale.ROOT);<a name="line.57"></a> +<span class="sourceLineNo">058</span> }<a name="line.58"></a> +<span class="sourceLineNo">059</span><a name="line.59"></a> +<span class="sourceLineNo">060</span> @Override<a name="line.60"></a> +<span class="sourceLineNo">061</span> public byte[] getValue() {<a name="line.61"></a> +<span class="sourceLineNo">062</span> return Bytes.toBytes(substr);<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> @Override<a name="line.65"></a> +<span class="sourceLineNo">066</span> public int compareTo(byte[] value, int offset, int length) {<a name="line.66"></a> +<span class="sourceLineNo">067</span> return Bytes.toString(value, offset, length).toLowerCase(Locale.ROOT).contains(substr) ? 0<a name="line.67"></a> +<span class="sourceLineNo">068</span> : 1;<a name="line.68"></a> +<span class="sourceLineNo">069</span> }<a name="line.69"></a> +<span class="sourceLineNo">070</span><a name="line.70"></a> +<span class="sourceLineNo">071</span> /**<a name="line.71"></a> +<span class="sourceLineNo">072</span> * @return The comparator serialized using pb<a name="line.72"></a> +<span class="sourceLineNo">073</span> */<a name="line.73"></a> +<span class="sourceLineNo">074</span> @Override<a name="line.74"></a> +<span class="sourceLineNo">075</span> public byte [] toByteArray() {<a name="line.75"></a> +<span class="sourceLineNo">076</span> ComparatorProtos.SubstringComparator.Builder builder =<a name="line.76"></a> +<span class="sourceLineNo">077</span> ComparatorProtos.SubstringComparator.newBuilder();<a name="line.77"></a> +<span class="sourceLineNo">078</span> builder.setSubstr(this.substr);<a name="line.78"></a> +<span class="sourceLineNo">079</span> return builder.build().toByteArray();<a name="line.79"></a> +<span class="sourceLineNo">080</span> }<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> * @param pbBytes A pb serialized {@link SubstringComparator} instance<a name="line.83"></a> +<span class="sourceLineNo">084</span> * @return An instance of {@link SubstringComparator} made from <code>bytes</code><a name="line.84"></a> +<span class="sourceLineNo">085</span> * @throws DeserializationException<a name="line.85"></a> +<span class="sourceLineNo">086</span> * @see #toByteArray<a name="line.86"></a> +<span class="sourceLineNo">087</span> */<a name="line.87"></a> +<span class="sourceLineNo">088</span> public static SubstringComparator parseFrom(final byte [] pbBytes)<a name="line.88"></a> +<span class="sourceLineNo">089</span> throws DeserializationException {<a name="line.89"></a> +<span class="sourceLineNo">090</span> ComparatorProtos.SubstringComparator proto;<a name="line.90"></a> +<span class="sourceLineNo">091</span> try {<a name="line.91"></a> +<span class="sourceLineNo">092</span> proto = ComparatorProtos.SubstringComparator.parseFrom(pbBytes);<a name="line.92"></a> +<span class="sourceLineNo">093</span> } catch (InvalidProtocolBufferException e) {<a name="line.93"></a> +<span class="sourceLineNo">094</span> throw new DeserializationException(e);<a name="line.94"></a> +<span class="sourceLineNo">095</span> }<a name="line.95"></a> +<span class="sourceLineNo">096</span> return new SubstringComparator(proto.getSubstr());<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> /**<a name="line.99"></a> +<span class="sourceLineNo">100</span> * @param other<a name="line.100"></a> +<span class="sourceLineNo">101</span> * @return true if and only if the fields of the comparator that are serialized<a name="line.101"></a> +<span class="sourceLineNo">102</span> * are equal to the corresponding fields in other. Used for testing.<a name="line.102"></a> +<span class="sourceLineNo">103</span> */<a name="line.103"></a> +<span class="sourceLineNo">104</span> @Override<a name="line.104"></a> +<span class="sourceLineNo">105</span> boolean areSerializedFieldsEqual(ByteArrayComparable other) {<a name="line.105"></a> +<span class="sourceLineNo">106</span> if (other == this) return true;<a name="line.106"></a> +<span class="sourceLineNo">107</span> if (!(other instanceof SubstringComparator)) return false;<a name="line.107"></a> +<span class="sourceLineNo">108</span><a name="line.108"></a> +<span class="sourceLineNo">109</span> SubstringComparator comparator = (SubstringComparator)other;<a name="line.109"></a> +<span class="sourceLineNo">110</span> return super.areSerializedFieldsEqual(comparator)<a name="line.110"></a> +<span class="sourceLineNo">111</span> && this.substr.equals(comparator.substr);<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>