http://git-wip-us.apache.org/repos/asf/hbase-site/blob/c9ebe686/apidocs/src-html/org/apache/hadoop/hbase/util/Bytes.ByteArrayComparator.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/util/Bytes.ByteArrayComparator.html b/apidocs/src-html/org/apache/hadoop/hbase/util/Bytes.ByteArrayComparator.html index e999ddb..03e4728 100644 --- a/apidocs/src-html/org/apache/hadoop/hbase/util/Bytes.ByteArrayComparator.html +++ b/apidocs/src-html/org/apache/hadoop/hbase/util/Bytes.ByteArrayComparator.html @@ -820,1810 +820,1909 @@ <span class="sourceLineNo">812</span> if (length != SIZEOF_LONG || offset + length > bytes.length) {<a name="line.812"></a> <span class="sourceLineNo">813</span> throw explainWrongLengthOrOffset(bytes, offset, length, SIZEOF_LONG);<a name="line.813"></a> <span class="sourceLineNo">814</span> }<a name="line.814"></a> -<span class="sourceLineNo">815</span> if (UNSAFE_UNALIGNED) {<a 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throw new IllegalArgumentException("Not enough room to put an int at"<a name="line.1061"></a> +<span class="sourceLineNo">1062</span> + " offset " + offset + " in a " + bytes.length + " byte array");<a name="line.1062"></a> +<span class="sourceLineNo">1063</span> }<a name="line.1063"></a> +<span class="sourceLineNo">1064</span> return ConverterHolder.BEST_CONVERTER.putInt(bytes, offset, val);<a name="line.1064"></a> +<span class="sourceLineNo">1065</span> }<a name="line.1065"></a> +<span class="sourceLineNo">1066</span><a name="line.1066"></a> +<span class="sourceLineNo">1067</span> /**<a name="line.1067"></a> +<span class="sourceLineNo">1068</span> * Put an int value out to the specified byte array position (Unsafe).<a name="line.1068"></a> +<span class="sourceLineNo">1069</span> * @param bytes the byte array<a name="line.1069"></a> +<span class="sourceLineNo">1070</span> * @param offset position in the array<a name="line.1070"></a> +<span class="sourceLineNo">1071</span> * @param val 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class="sourceLineNo">1125</span> return ConverterHolder.BEST_CONVERTER.toShort(bytes, offset, length);<a name="line.1125"></a> +<span class="sourceLineNo">1126</span> }<a name="line.1126"></a> +<span class="sourceLineNo">1127</span><a name="line.1127"></a> +<span class="sourceLineNo">1128</span> /**<a name="line.1128"></a> +<span class="sourceLineNo">1129</span> * Returns a new byte array, copied from the given {@code buf},<a name="line.1129"></a> +<span class="sourceLineNo">1130</span> * from the position (inclusive) to the limit (exclusive).<a name="line.1130"></a> +<span class="sourceLineNo">1131</span> * The position and the other index parameters are not changed.<a name="line.1131"></a> +<span class="sourceLineNo">1132</span> *<a name="line.1132"></a> +<span class="sourceLineNo">1133</span> * @param buf a byte buffer<a name="line.1133"></a> +<span class="sourceLineNo">1134</span> * @return the byte array<a name="line.1134"></a> +<span class="sourceLineNo">1135</span> * @see #toBytes(ByteBuffer)<a name="line.1135"></a> +<span class="sourceLineNo">1136</span> */<a name="line.1136"></a> +<span class="sourceLineNo">1137</span> public static byte[] getBytes(ByteBuffer buf) {<a name="line.1137"></a> +<span class="sourceLineNo">1138</span> return readBytes(buf.duplicate());<a name="line.1138"></a> +<span class="sourceLineNo">1139</span> }<a name="line.1139"></a> +<span class="sourceLineNo">1140</span><a name="line.1140"></a> +<span class="sourceLineNo">1141</span> /**<a name="line.1141"></a> +<span class="sourceLineNo">1142</span> * Put a short value out to the specified byte array position.<a name="line.1142"></a> +<span class="sourceLineNo">1143</span> * @param bytes the byte array<a name="line.1143"></a> +<span class="sourceLineNo">1144</span> * @param offset position in the array<a name="line.1144"></a> +<span class="sourceLineNo">1145</span> * @param val short to write out<a name="line.1145"></a> +<span class="sourceLineNo">1146</span> * @return incremented offset<a name="line.1146"></a> +<span class="sourceLineNo">1147</span> * @throws IllegalArgumentException if the byte array given doesn't have<a name="line.1147"></a> +<span class="sourceLineNo">1148</span> * enough room at the offset specified.<a name="line.1148"></a> +<span class="sourceLineNo">1149</span> */<a name="line.1149"></a> +<span class="sourceLineNo">1150</span> public static int putShort(byte[] bytes, int offset, short val) {<a name="line.1150"></a> +<span class="sourceLineNo">1151</span> if (bytes.length - offset < SIZEOF_SHORT) {<a name="line.1151"></a> +<span class="sourceLineNo">1152</span> throw new IllegalArgumentException("Not enough room to put a short at"<a name="line.1152"></a> +<span class="sourceLineNo">1153</span> + " offset " + offset + " in a " + bytes.length + " byte array");<a name="line.1153"></a> +<span class="sourceLineNo">1154</span> }<a name="line.1154"></a> +<span class="sourceLineNo">1155</span> return ConverterHolder.BEST_CONVERTER.putShort(bytes, offset, val);<a name="line.1155"></a> +<span class="sourceLineNo">1156</span> }<a name="line.1156"></a> +<span class="sourceLineNo">1157</span><a name="line.1157"></a> +<span class="sourceLineNo">1158</span> /**<a name="line.1158"></a> +<span class="sourceLineNo">1159</span> * Put a short value out to the specified byte array position (Unsafe).<a name="line.1159"></a> +<span class="sourceLineNo">1160</span> * @param bytes the byte array<a name="line.1160"></a> +<span class="sourceLineNo">1161</span> * @param offset position in the array<a name="line.1161"></a> +<span class="sourceLineNo">1162</span> * @param val short to write out<a name="line.1162"></a> +<span class="sourceLineNo">1163</span> * @return incremented offset<a name="line.1163"></a> +<span class="sourceLineNo">1164</span> * @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0.<a name="line.1164"></a> +<span class="sourceLineNo">1165</span> */<a name="line.1165"></a> +<span class="sourceLineNo">1166</span> @Deprecated<a name="line.1166"></a> +<span class="sourceLineNo">1167</span> public static int putShortUnsafe(byte[] bytes, int offset, short val) {<a name="line.1167"></a> +<span class="sourceLineNo">1168</span> return UnsafeAccess.putShort(bytes, offset, val);<a name="line.1168"></a> +<span class="sourceLineNo">1169</span> }<a name="line.1169"></a> +<span class="sourceLineNo">1170</span><a name="line.1170"></a> +<span class="sourceLineNo">1171</span> /**<a name="line.1171"></a> +<span class="sourceLineNo">1172</span> * Put an int value as short out to the specified byte array position. Only the lower 2 bytes of<a name="line.1172"></a> +<span class="sourceLineNo">1173</span> * the short will be put into the array. The caller of the API need to make sure they will not<a name="line.1173"></a> +<span class="sourceLineNo">1174</span> * loose the value by doing so. This is useful to store an unsigned short which is represented as<a name="line.1174"></a> +<span class="sourceLineNo">1175</span> * int in other parts.<a name="line.1175"></a> +<span class="sourceLineNo">1176</span> * @param bytes the byte array<a name="line.1176"></a> +<span class="sourceLineNo">1177</span> * @param offset position in the array<a name="line.1177"></a> +<span class="sourceLineNo">1178</span> * @param val value to write out<a name="line.1178"></a> +<span class="sourceLineNo">1179</span> * @return incremented offset<a name="line.1179"></a> +<span class="sourceLineNo">1180</span> * @throws IllegalArgumentException if the byte array given doesn't have<a name="line.1180"></a> +<span class="sourceLineNo">1181</span> * enough room at the offset specified.<a name="line.1181"></a> +<span class="sourceLineNo">1182</span> */<a name="line.1182"></a> +<span class="sourceLineNo">1183</span> public static int putAsShort(byte[] bytes, int offset, int val) {<a name="line.1183"></a> +<span class="sourceLineNo">1184</span> if (bytes.length - offset < SIZEOF_SHORT) {<a name="line.1184"></a> +<span class="sourceLineNo">1185</span> throw new IllegalArgumentException("Not enough room to put a short at"<a name="line.1185"></a> +<span class="sourceLineNo">1186</span> + " offset " + offset + " in a " + bytes.length + " byte array");<a name="line.1186"></a> +<span class="sourceLineNo">1187</span> }<a name="line.1187"></a> +<span class="sourceLineNo">1188</span> bytes[offset+1] = (byte) val;<a name="line.1188"></a> +<span class="sourceLineNo">1189</span> val >>= 8;<a name="line.1189"></a> +<span class="sourceLineNo">1190</span> bytes[offset] = (byte) val;<a name="line.1190"></a> +<span class="sourceLineNo">1191</span> return offset + SIZEOF_SHORT;<a name="line.1191"></a> +<span class="sourceLineNo">1192</span> }<a name="line.1192"></a> +<span class="sourceLineNo">1193</span><a name="line.1193"></a> +<span class="sourceLineNo">1194</span> /**<a name="line.1194"></a> +<span class="sourceLineNo">1195</span> * Convert a BigDecimal value to a byte array<a name="line.1195"></a> +<span class="sourceLineNo">1196</span> *<a name="line.1196"></a> +<span class="sourceLineNo">1197</span> * @param val<a name="line.1197"></a> +<span class="sourceLineNo">1198</span> * @return the byte array<a name="line.1198"></a> +<span class="sourceLineNo">1199</span> */<a name="line.1199"></a> +<span class="sourceLineNo">1200</span> public static byte[] toBytes(BigDecimal val) {<a name="line.1200"></a> +<span class="sourceLineNo">1201</span> byte[] valueBytes = val.unscaledValue().toByteArray();<a name="line.1201"></a> +<span class="sourceLineNo">1202</span> byte[] result = new byte[valueBytes.length + SIZEOF_INT];<a name="line.1202"></a> +<span class="sourceLineNo">1203</span> int offset = putInt(result, 0, val.scale());<a name="line.1203"></a> +<span class="sourceLineNo">1204</span> putBytes(result, offset, valueBytes, 0, valueBytes.length);<a name="line.1204"></a> +<span class="sourceLineNo">1205</span> return result;<a name="line.1205"></a> +<span class="sourceLineNo">1206</span> }<a name="line.1206"></a> +<span class="sourceLineNo">1207</span><a name="line.1207"></a> <span class="sourceLineNo">1208</span><a name="line.1208"></a> <span class="sourceLineNo">1209</span> /**<a name="line.1209"></a> -<span class="sourceLineNo">1210</span> * Put a short value out to the specified byte array position (Unsafe).<a name="line.1210"></a> -<span class="sourceLineNo">1211</span> * @param bytes the byte array<a name="line.1211"></a> -<span class="sourceLineNo">1212</span> * @param offset position in the array<a name="line.1212"></a> -<span class="sourceLineNo">1213</span> * @param val short to write out<a name="line.1213"></a> -<span class="sourceLineNo">1214</span> * @return incremented offset<a name="line.1214"></a> -<span class="sourceLineNo">1215</span> * @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0.<a name="line.1215"></a> -<span class="sourceLineNo">1216</span> */<a name="line.1216"></a> -<span class="sourceLineNo">1217</span> @Deprecated<a name="line.1217"></a> -<span class="sourceLineNo">1218</span> public static int putShortUnsafe(byte[] bytes, int offset, short val) {<a name="line.1218"></a> -<span class="sourceLineNo">1219</span> return UnsafeAccess.putShort(bytes, offset, val);<a name="line.1219"></a> -<span class="sourceLineNo">1220</span> }<a name="line.1220"></a> -<span class="sourceLineNo">1221</span><a name="line.1221"></a> -<span class="sourceLineNo">1222</span> /**<a name="line.1222"></a> -<span class="sourceLineNo">1223</span> * Put an int value as short out to the specified byte array position. 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class="sourceLineNo">1246</span> * Convert a BigDecimal value to a byte array<a name="line.1246"></a> -<span class="sourceLineNo">1247</span> *<a name="line.1247"></a> -<span class="sourceLineNo">1248</span> * @param val<a name="line.1248"></a> -<span class="sourceLineNo">1249</span> * @return the byte array<a name="line.1249"></a> -<span class="sourceLineNo">1250</span> */<a name="line.1250"></a> -<span class="sourceLineNo">1251</span> public static byte[] toBytes(BigDecimal val) {<a name="line.1251"></a> +<span class="sourceLineNo">1210</span> * Converts a byte array to a BigDecimal<a name="line.1210"></a> +<span class="sourceLineNo">1211</span> *<a name="line.1211"></a> +<span class="sourceLineNo">1212</span> * @param bytes<a name="line.1212"></a> +<span class="sourceLineNo">1213</span> * @return the char value<a name="line.1213"></a> +<span class="sourceLineNo">1214</span> */<a name="line.1214"></a> +<span class="sourceLineNo">1215</span> public static BigDecimal toBigDecimal(byte[] bytes) {<a name="line.1215"></a> +<span class="sourceLineNo">1216</span> return toBigDecimal(bytes, 0, bytes.length);<a name="line.1216"></a> +<span class="sourceLineNo">1217</span> }<a name="line.1217"></a> +<span class="sourceLineNo">1218</span><a name="line.1218"></a> +<span class="sourceLineNo">1219</span> /**<a name="line.1219"></a> +<span class="sourceLineNo">1220</span> * Converts a byte array to a BigDecimal value<a name="line.1220"></a> +<span class="sourceLineNo">1221</span> *<a name="line.1221"></a> +<span class="sourceLineNo">1222</span> * @param bytes<a name="line.1222"></a> +<span class="sourceLineNo">1223</span> * @param offset<a name="line.1223"></a> +<span class="sourceLineNo">1224</span> * @param length<a name="line.1224"></a> +<span class="sourceLineNo">1225</span> * @return the char value<a name="line.1225"></a> +<span class="sourceLineNo">1226</span> */<a name="line.1226"></a> +<span class="sourceLineNo">1227</span> public static BigDecimal toBigDecimal(byte[] bytes, int offset, final int length) {<a name="line.1227"></a> +<span class="sourceLineNo">1228</span> if (bytes == null || length < SIZEOF_INT + 1 ||<a name="line.1228"></a> +<span class="sourceLineNo">1229</span> (offset + length > bytes.length)) {<a name="line.1229"></a> +<span class="sourceLineNo">1230</span> return null;<a name="line.1230"></a> +<span class="sourceLineNo">1231</span> }<a name="line.1231"></a> +<span class="sourceLineNo">1232</span><a name="line.1232"></a> +<span class="sourceLineNo">1233</span> int scale = toInt(bytes, offset);<a name="line.1233"></a> +<span class="sourceLineNo">1234</span> byte[] tcBytes = new byte[length - SIZEOF_INT];<a name="line.1234"></a> +<span class="sourceLineNo">1235</span> System.arraycopy(bytes, offset + SIZEOF_INT, tcBytes, 0, length - SIZEOF_INT);<a name="line.1235"></a> +<span class="sourceLineNo">1236</span> return new BigDecimal(new BigInteger(tcBytes), scale);<a name="line.1236"></a> +<span class="sourceLineNo">1237</span> }<a name="line.1237"></a> +<span class="sourceLineNo">1238</span><a name="line.1238"></a> +<span class="sourceLineNo">1239</span> /**<a name="line.1239"></a> +<span class="sourceLineNo">1240</span> * Put a BigDecimal value out to the specified byte array position.<a name="line.1240"></a> +<span class="sourceLineNo">1241</span> *<a name="line.1241"></a> +<span class="sourceLineNo">1242</span> * @param bytes the byte array<a name="line.1242"></a> +<span class="sourceLineNo">1243</span> * @param offset position in the array<a name="line.1243"></a> +<span class="sourceLineNo">1244</span> * @param val BigDecimal to write out<a name="line.1244"></a> +<span class="sourceLineNo">1245</span> * @return incremented offset<a name="line.1245"></a> +<span class="sourceLineNo">1246</span> */<a name="line.1246"></a> +<span class="sourceLineNo">1247</span> public static int putBigDecimal(byte[] bytes, int offset, BigDecimal val) {<a name="line.1247"></a> +<span class="sourceLineNo">1248</span> if (bytes == null) {<a name="line.1248"></a> +<span class="sourceLineNo">1249</span> return offset;<a name="line.1249"></a> +<span class="sourceLineNo">1250</span> }<a name="line.1250"></a> +<span class="sourceLineNo">1251</span><a name="line.1251"></a> <span class="sourceLineNo">1252</span> byte[] valueBytes = val.unscaledValue().toByteArray();<a name="line.1252"></a> <span class="sourceLineNo">1253</span> byte[] result = new byte[valueBytes.length + SIZEOF_INT];<a name="line.1253"></a> -<span class="sourceLineNo">1254</span> int offset = putInt(result, 0, val.scale());<a name="line.1254"></a> -<span class="sourceLineNo">1255</span> putBytes(result, offset, valueBytes, 0, valueBytes.length);<a name="line.1255"></a> -<span class="sourceLineNo">1256</span> return result;<a name="line.1256"></a> -<span class="sourceLineNo">1257</span> }<a name="line.1257"></a> -<span class="sourceLineNo">1258</span><a name="line.1258"></a> -<span class="sourceLineNo">1259</span><a name="line.1259"></a> -<span class="sourceLineNo">1260</span> /**<a name="line.1260"></a> -<span class="sourceLineNo">1261</span> * Converts a byte array to a BigDecimal<a name="line.1261"></a> -<span class="sourceLineNo">1262</span> *<a name="line.1262"></a> -<span class="sourceLineNo">1263</span> * @param bytes<a name="line.1263"></a> -<span class="sourceLineNo">1264</span> * @return the char value<a name="line.1264"></a> -<span class="sourceLineNo">1265</span> */<a name="line.1265"></a> -<span class="sourceLineNo">1266</span> public static BigDecimal toBigDecimal(byte[] bytes) {<a name="line.1266"></a> -<span class="sourceLineNo">1267</span> return toBigDecimal(bytes, 0, bytes.length);<a name="line.1267"></a> -<span class="sourceLineNo">1268</span> }<a name="line.1268"></a> -<span class="sourceLineNo">1269</span><a name="line.1269"></a> -<span class="sourceLineNo">1270</span> /**<a name="line.1270"></a> -<span class="sourceLineNo">1271</span> * Converts a byte array to a BigDecimal value<a name="line.1271"></a> -<span class="sourceLineNo">1272</span> *<a name="line.1272"></a> -<span class="sourceLineNo">1273</span> * @param bytes<a name="line.1273"></a> -<span class="sourceLineNo">1274</span> * @param offset<a name="line.1274"></a> -<span class="sourceLineNo">1275</span> * @param length<a name="line.1275"></a> -<span class="sourceLineNo">1276</span> * @return the char value<a name="line.1276"></a> -<span class="sourceLineNo">1277</span> */<a name="line.1277"></a> -<span class="sourceLineNo">1278</span> public static BigDecimal toBigDecimal(byte[] bytes, int offset, final int length) {<a name="line.1278"></a> -<span class="sourceLineNo">1279</span> if (bytes == null || length < SIZEOF_INT + 1 ||<a name="line.1279"></a> -<span class="sourceLineNo">1280</span> (offset + length > bytes.length)) {<a name="line.1280"></a> -<span class="sourceLineNo">1281</span> return null;<a name="line.1281"></a> +<span class="sourceLineNo">1254</span> offset = putInt(result, offset, val.scale());<a name="line.1254"></a> +<span class="sourceLineNo">1255</span> return putBytes(result, offset, valueBytes, 0, valueBytes.length);<a name="line.1255"></a> +<span class="sourceLineNo">1256</span> }<a name="line.1256"></a> +<span class="sourceLineNo">1257</span><a name="line.1257"></a> +<span class="sourceLineNo">1258</span> /**<a name="line.1258"></a> +<span class="sourceLineNo">1259</span> * @param vint Integer to make a vint of.<a name="line.1259"></a> +<span class="sourceLineNo">1260</span> * @return Vint as bytes array.<a name="line.1260"></a> +<span class="sourceLineNo">1261</span> */<a name="line.1261"></a> +<span class="sourceLineNo">1262</span> public static byte [] vintToBytes(final long vint) {<a name="line.1262"></a> +<span class="sourceLineNo">1263</span> long i = vint;<a name="line.1263"></a> +<span class="sourceLineNo">1264</span> int size = WritableUtils.getVIntSize(i);<a name="line.1264"></a> +<span class="sourceLineNo">1265</span> byte [] result = new byte[size];<a name="line.1265"></a> +<span class="sourceLineNo">1266</span> int offset = 0;<a name="line.1266"></a> +<span class="sourceLineNo">1267</span> if (i >= -112 && i <= 127) {<a name="line.1267"></a> +<span class="sourceLineNo">1268</span> result[offset] = (byte) i;<a name="line.1268"></a> +<span class="sourceLineNo">1269</span> return result;<a name="line.1269"></a> +<span class="sourceLineNo">1270</span> }<a name="line.1270"></a> +<span class="sourceLineNo">1271</span><a name="line.1271"></a> +<span class="sourceLineNo">1272</span> int len = -112;<a name="line.1272"></a> +<span class="sourceLineNo">1273</span> if (i < 0) {<a name="line.1273"></a> +<span class="sourceLineNo">1274</span> i ^= -1L; // take one's complement'<a name="line.1274"></a> +<span class="sourceLineNo">1275</span> len = -120;<a name="line.1275"></a> +<span class="sourceLineNo">1276</span> }<a name="line.1276"></a> +<span class="sourceLineNo">1277</span><a name="line.1277"></a> +<span class="sourceLineNo">1278</span> long tmp = i;<a name="line.1278"></a> +<span class="sourceLineNo">1279</span> while (tmp != 0) {<a name="line.1279"></a> +<span class="sourceLineNo">1280</span> tmp = tmp >> 8;<a name="line.1280"></a> +<span class="sourceLineNo">1281</span> len--;<a name="line.1281"></a> <span class="sourceLineNo">1282</span> }<a name="line.1282"></a> <span class="sourceLineNo">1283</span><a name="line.1283"></a> -<span class="sourceLineNo">1284</span> int scale = toInt(bytes, offset);<a name="line.1284"></a> -<span class="sourceLineNo">1285</span> byte[] tcBytes = new byte[length - SIZEOF_INT];<a name="line.1285"></a> -<span class="sourceLineNo">1286</span> System.arraycopy(bytes, offset + SIZEOF_INT, tcBytes, 0, length - SIZEOF_INT);<a name="line.1286"></a> -<span class="sourceLineNo">1287</span> return new BigDecimal(new BigInteger(tcBytes), scale);<a name="line.1287"></a> -<span class="sourceLineNo">1288</span> }<a name="line.1288"></a> -<span class="sourceLineNo">1289</span><a name="line.1289"></a> -<span class="sourceLineNo">1290</span> /**<a name="line.1290"></a> -<span class="sourceLineNo">1291</span> * Put a BigDecimal value out to the specified byte array position.<a name="line.1291"></a> -<span class="sourceLineNo">1292</span> *<a name="line.1292"></a> -<span class="sourceLineNo">1293</span> * @param bytes the byte array<a name="line.1293"></a> -<span class="sourceLineNo">1294</span> * @param offset position in the array<a name="line.1294"></a> -<span class="sourceLineNo">1295</span> * @param val BigDecimal to write out<a name="line.1295"></a> -<span class="sourceLineNo">1296</span> * @return incremented offset<a name="line.1296"></a> -<span class="sourceLineNo">1297</span> */<a name="line.1297"></a> -<span class="sourceLineNo">1298</span> public static int putBigDecimal(byte[] bytes, int offset, BigDecimal val) {<a name="line.1298"></a> -<span class="sourceLineNo">1299</span> if (bytes ==
<TRUNCATED>