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Posted to commits@hbase.apache.org by mi...@apache.org on 2016/08/29 15:33:14 UTC
[24/52] [partial] hbase-site git commit: Published site at
950d547dae684155020edb879a343bee1bf18e97.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/45a663dd/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.OnheapDecodedCell.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.OnheapDecodedCell.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.OnheapDecodedCell.html
index 66dbcf3..7293a11 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.OnheapDecodedCell.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.OnheapDecodedCell.html
@@ -130,7 +130,7 @@
<span class="sourceLineNo">122</span><a name="line.122"></a>
<span class="sourceLineNo">123</span> /** We need to store a copy of the key. */<a name="line.123"></a>
<span class="sourceLineNo">124</span> protected byte[] keyBuffer = new byte[INITIAL_KEY_BUFFER_SIZE];<a name="line.124"></a>
-<span class="sourceLineNo">125</span> protected byte[] tagsBuffer = new byte[INITIAL_KEY_BUFFER_SIZE];<a name="line.125"></a>
+<span class="sourceLineNo">125</span> protected byte[] tagsBuffer = null;<a name="line.125"></a>
<span class="sourceLineNo">126</span><a name="line.126"></a>
<span class="sourceLineNo">127</span> protected long memstoreTS;<a name="line.127"></a>
<span class="sourceLineNo">128</span> protected int nextKvOffset;<a name="line.128"></a>
@@ -140,1035 +140,1046 @@
<span class="sourceLineNo">132</span> private final ObjectIntPair<ByteBuffer> tmpPair;<a name="line.132"></a>
<span class="sourceLineNo">133</span> private final boolean includeTags;<a name="line.133"></a>
<span class="sourceLineNo">134</span><a name="line.134"></a>
-<span class="sourceLineNo">135</span> public SeekerState(ObjectIntPair<ByteBuffer> tmpPair, boolean includeTags) {<a name="line.135"></a>
-<span class="sourceLineNo">136</span> this.tmpPair = tmpPair;<a name="line.136"></a>
-<span class="sourceLineNo">137</span> this.includeTags = includeTags;<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> protected boolean isValid() {<a name="line.140"></a>
-<span class="sourceLineNo">141</span> return valueOffset != -1;<a name="line.141"></a>
-<span class="sourceLineNo">142</span> }<a name="line.142"></a>
-<span class="sourceLineNo">143</span><a name="line.143"></a>
-<span class="sourceLineNo">144</span> protected void invalidate() {<a name="line.144"></a>
-<span class="sourceLineNo">145</span> valueOffset = -1;<a name="line.145"></a>
-<span class="sourceLineNo">146</span> tagsCompressedLength = 0;<a name="line.146"></a>
-<span class="sourceLineNo">147</span> currentKey = new KeyValue.KeyOnlyKeyValue();<a name="line.147"></a>
-<span class="sourceLineNo">148</span> uncompressTags = true;<a name="line.148"></a>
-<span class="sourceLineNo">149</span> currentBuffer = null;<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> protected void ensureSpaceForKey() {<a name="line.152"></a>
-<span class="sourceLineNo">153</span> if (keyLength > keyBuffer.length) {<a name="line.153"></a>
-<span class="sourceLineNo">154</span> // rare case, but we need to handle arbitrary length of key<a name="line.154"></a>
-<span class="sourceLineNo">155</span> int newKeyBufferLength = Math.max(keyBuffer.length, 1) * 2;<a name="line.155"></a>
-<span class="sourceLineNo">156</span> while (keyLength > newKeyBufferLength) {<a name="line.156"></a>
-<span class="sourceLineNo">157</span> newKeyBufferLength *= 2;<a name="line.157"></a>
-<span class="sourceLineNo">158</span> }<a name="line.158"></a>
-<span class="sourceLineNo">159</span> byte[] newKeyBuffer = new byte[newKeyBufferLength];<a name="line.159"></a>
-<span class="sourceLineNo">160</span> System.arraycopy(keyBuffer, 0, newKeyBuffer, 0, keyBuffer.length);<a name="line.160"></a>
-<span class="sourceLineNo">161</span> keyBuffer = newKeyBuffer;<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><a name="line.164"></a>
-<span class="sourceLineNo">165</span> protected void ensureSpaceForTags() {<a name="line.165"></a>
-<span class="sourceLineNo">166</span> if (tagsLength > tagsBuffer.length) {<a name="line.166"></a>
-<span class="sourceLineNo">167</span> // rare case, but we need to handle arbitrary length of tags<a name="line.167"></a>
-<span class="sourceLineNo">168</span> int newTagsBufferLength = Math.max(tagsBuffer.length, 1) * 2;<a name="line.168"></a>
-<span class="sourceLineNo">169</span> while (tagsLength > newTagsBufferLength) {<a name="line.169"></a>
-<span class="sourceLineNo">170</span> newTagsBufferLength *= 2;<a name="line.170"></a>
-<span class="sourceLineNo">171</span> }<a name="line.171"></a>
-<span class="sourceLineNo">172</span> byte[] newTagsBuffer = new byte[newTagsBufferLength];<a name="line.172"></a>
-<span class="sourceLineNo">173</span> System.arraycopy(tagsBuffer, 0, newTagsBuffer, 0, tagsBuffer.length);<a name="line.173"></a>
-<span class="sourceLineNo">174</span> tagsBuffer = newTagsBuffer;<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><a name="line.177"></a>
-<span class="sourceLineNo">178</span> protected void setKey(byte[] keyBuffer, long memTS) {<a name="line.178"></a>
-<span class="sourceLineNo">179</span> currentKey.setKey(keyBuffer, 0, keyLength);<a name="line.179"></a>
-<span class="sourceLineNo">180</span> memstoreTS = memTS;<a name="line.180"></a>
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-<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> * Copy the state from the next one into this instance (the previous state<a name="line.184"></a>
-<span class="sourceLineNo">185</span> * placeholder). Used to save the previous state when we are advancing the<a name="line.185"></a>
-<span class="sourceLineNo">186</span> * seeker to the next key/value.<a name="line.186"></a>
-<span class="sourceLineNo">187</span> */<a name="line.187"></a>
-<span class="sourceLineNo">188</span> protected void copyFromNext(SeekerState nextState) {<a name="line.188"></a>
-<span class="sourceLineNo">189</span> if (keyBuffer.length != nextState.keyBuffer.length) {<a name="line.189"></a>
-<span class="sourceLineNo">190</span> keyBuffer = nextState.keyBuffer.clone();<a name="line.190"></a>
-<span class="sourceLineNo">191</span> } else if (!isValid()) {<a name="line.191"></a>
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-<span class="sourceLineNo">194</span> System.arraycopy(nextState.keyBuffer, 0, keyBuffer, 0,<a name="line.194"></a>
-<span class="sourceLineNo">195</span> nextState.keyLength);<a name="line.195"></a>
-<span class="sourceLineNo">196</span> } else {<a name="line.196"></a>
-<span class="sourceLineNo">197</span> // don't copy the common prefix between this key and the previous one<a name="line.197"></a>
-<span class="sourceLineNo">198</span> System.arraycopy(nextState.keyBuffer, nextState.lastCommonPrefix,<a name="line.198"></a>
-<span class="sourceLineNo">199</span> keyBuffer, nextState.lastCommonPrefix, nextState.keyLength<a name="line.199"></a>
-<span class="sourceLineNo">200</span> - nextState.lastCommonPrefix);<a name="line.200"></a>
-<span class="sourceLineNo">201</span> }<a name="line.201"></a>
-<span class="sourceLineNo">202</span> currentKey = nextState.currentKey;<a name="line.202"></a>
-<span class="sourceLineNo">203</span><a name="line.203"></a>
-<span class="sourceLineNo">204</span> valueOffset = nextState.valueOffset;<a name="line.204"></a>
-<span class="sourceLineNo">205</span> keyLength = nextState.keyLength;<a name="line.205"></a>
-<span class="sourceLineNo">206</span> valueLength = nextState.valueLength;<a name="line.206"></a>
-<span class="sourceLineNo">207</span> lastCommonPrefix = nextState.lastCommonPrefix;<a name="line.207"></a>
-<span class="sourceLineNo">208</span> nextKvOffset = nextState.nextKvOffset;<a name="line.208"></a>
-<span class="sourceLineNo">209</span> memstoreTS = nextState.memstoreTS;<a name="line.209"></a>
-<span class="sourceLineNo">210</span> currentBuffer = nextState.currentBuffer;<a name="line.210"></a>
-<span class="sourceLineNo">211</span> tagsOffset = nextState.tagsOffset;<a name="line.211"></a>
-<span class="sourceLineNo">212</span> tagsLength = nextState.tagsLength;<a name="line.212"></a>
-<span class="sourceLineNo">213</span> if (nextState.tagCompressionContext != null) {<a name="line.213"></a>
-<span class="sourceLineNo">214</span> tagCompressionContext = nextState.tagCompressionContext;<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><a name="line.217"></a>
-<span class="sourceLineNo">218</span> public Cell toCell() {<a name="line.218"></a>
-<span class="sourceLineNo">219</span> // Buffer backing the value and tags part from the HFileBlock's buffer<a name="line.219"></a>
-<span class="sourceLineNo">220</span> // When tag compression in use, this will be only the value bytes area.<a name="line.220"></a>
-<span class="sourceLineNo">221</span> ByteBuffer valAndTagsBuffer;<a name="line.221"></a>
-<span class="sourceLineNo">222</span> int vOffset;<a name="line.222"></a>
-<span class="sourceLineNo">223</span> int valAndTagsLength = this.valueLength;<a name="line.223"></a>
-<span class="sourceLineNo">224</span> int tagsLenSerializationSize = 0;<a name="line.224"></a>
-<span class="sourceLineNo">225</span> if (this.includeTags && this.tagCompressionContext == null) {<a name="line.225"></a>
-<span class="sourceLineNo">226</span> // Include the tags part also. This will be the tags bytes + 2 bytes of for storing tags<a name="line.226"></a>
-<span class="sourceLineNo">227</span> // length<a name="line.227"></a>
-<span class="sourceLineNo">228</span> tagsLenSerializationSize = this.tagsOffset - (this.valueOffset + this.valueLength);<a name="line.228"></a>
-<span class="sourceLineNo">229</span> valAndTagsLength += tagsLenSerializationSize + this.tagsLength;<a name="line.229"></a>
-<span class="sourceLineNo">230</span> }<a name="line.230"></a>
-<span class="sourceLineNo">231</span> this.currentBuffer.asSubByteBuffer(this.valueOffset, valAndTagsLength, this.tmpPair);<a name="line.231"></a>
-<span class="sourceLineNo">232</span> valAndTagsBuffer = this.tmpPair.getFirst();<a name="line.232"></a>
-<span class="sourceLineNo">233</span> vOffset = this.tmpPair.getSecond();// This is the offset to value part in the BB<a name="line.233"></a>
-<span class="sourceLineNo">234</span> if (valAndTagsBuffer.hasArray()) {<a name="line.234"></a>
-<span class="sourceLineNo">235</span> return toOnheapCell(valAndTagsBuffer, vOffset, tagsLenSerializationSize);<a name="line.235"></a>
-<span class="sourceLineNo">236</span> } else {<a name="line.236"></a>
-<span class="sourceLineNo">237</span> return toOffheapCell(valAndTagsBuffer, vOffset, tagsLenSerializationSize);<a name="line.237"></a>
-<span class="sourceLineNo">238</span> }<a name="line.238"></a>
-<span class="sourceLineNo">239</span> }<a name="line.239"></a>
-<span class="sourceLineNo">240</span><a name="line.240"></a>
-<span class="sourceLineNo">241</span> private Cell toOnheapCell(ByteBuffer valAndTagsBuffer, int vOffset,<a name="line.241"></a>
-<span class="sourceLineNo">242</span> int tagsLenSerializationSize) {<a name="line.242"></a>
-<span class="sourceLineNo">243</span> byte[] tagsArray = HConstants.EMPTY_BYTE_ARRAY;<a name="line.243"></a>
-<span class="sourceLineNo">244</span> int tOffset = 0;<a name="line.244"></a>
-<span class="sourceLineNo">245</span> if (this.includeTags) {<a name="line.245"></a>
-<span class="sourceLineNo">246</span> if (this.tagCompressionContext == null) {<a name="line.246"></a>
-<span class="sourceLineNo">247</span> tagsArray = valAndTagsBuffer.array();<a name="line.247"></a>
-<span class="sourceLineNo">248</span> tOffset = valAndTagsBuffer.arrayOffset() + vOffset + this.valueLength<a name="line.248"></a>
-<span class="sourceLineNo">249</span> + tagsLenSerializationSize;<a name="line.249"></a>
-<span class="sourceLineNo">250</span> } else {<a name="line.250"></a>
-<span class="sourceLineNo">251</span> tagsArray = Bytes.copy(tagsBuffer, 0, this.tagsLength);<a name="line.251"></a>
-<span class="sourceLineNo">252</span> tOffset = 0;<a name="line.252"></a>
-<span class="sourceLineNo">253</span> }<a name="line.253"></a>
-<span class="sourceLineNo">254</span> }<a name="line.254"></a>
-<span class="sourceLineNo">255</span> return new OnheapDecodedCell(Bytes.copy(keyBuffer, 0, this.keyLength),<a name="line.255"></a>
-<span class="sourceLineNo">256</span> currentKey.getRowLength(), currentKey.getFamilyOffset(), currentKey.getFamilyLength(),<a name="line.256"></a>
-<span class="sourceLineNo">257</span> currentKey.getQualifierOffset(), currentKey.getQualifierLength(),<a name="line.257"></a>
-<span class="sourceLineNo">258</span> currentKey.getTimestamp(), currentKey.getTypeByte(), valAndTagsBuffer.array(),<a name="line.258"></a>
-<span class="sourceLineNo">259</span> valAndTagsBuffer.arrayOffset() + vOffset, this.valueLength, memstoreTS, tagsArray,<a name="line.259"></a>
-<span class="sourceLineNo">260</span> tOffset, this.tagsLength);<a name="line.260"></a>
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-<span class="sourceLineNo">262</span><a name="line.262"></a>
-<span class="sourceLineNo">263</span> private Cell toOffheapCell(ByteBuffer valAndTagsBuffer, int vOffset,<a name="line.263"></a>
-<span class="sourceLineNo">264</span> int tagsLenSerializationSize) {<a name="line.264"></a>
-<span class="sourceLineNo">265</span> ByteBuffer tagsBuf = HConstants.EMPTY_BYTE_BUFFER;<a name="line.265"></a>
-<span class="sourceLineNo">266</span> int tOffset = 0;<a name="line.266"></a>
-<span class="sourceLineNo">267</span> if (this.includeTags) {<a name="line.267"></a>
-<span class="sourceLineNo">268</span> if (this.tagCompressionContext == null) {<a name="line.268"></a>
-<span class="sourceLineNo">269</span> tagsBuf = valAndTagsBuffer;<a name="line.269"></a>
-<span class="sourceLineNo">270</span> tOffset = vOffset + this.valueLength + tagsLenSerializationSize;<a name="line.270"></a>
-<span class="sourceLineNo">271</span> } else {<a name="line.271"></a>
-<span class="sourceLineNo">272</span> tagsBuf = ByteBuffer.wrap(Bytes.copy(tagsBuffer, 0, this.tagsLength));<a name="line.272"></a>
-<span class="sourceLineNo">273</span> tOffset = 0;<a name="line.273"></a>
-<span class="sourceLineNo">274</span> }<a name="line.274"></a>
-<span class="sourceLineNo">275</span> }<a name="line.275"></a>
-<span class="sourceLineNo">276</span> return new OffheapDecodedCell(ByteBuffer.wrap(Bytes.copy(keyBuffer, 0, this.keyLength)),<a name="line.276"></a>
-<span class="sourceLineNo">277</span> currentKey.getRowLength(), currentKey.getFamilyOffset(), currentKey.getFamilyLength(),<a name="line.277"></a>
-<span class="sourceLineNo">278</span> currentKey.getQualifierOffset(), currentKey.getQualifierLength(),<a name="line.278"></a>
-<span class="sourceLineNo">279</span> currentKey.getTimestamp(), currentKey.getTypeByte(), valAndTagsBuffer, vOffset,<a name="line.279"></a>
-<span class="sourceLineNo">280</span> this.valueLength, memstoreTS, tagsBuf, tOffset, this.tagsLength);<a name="line.280"></a>
-<span class="sourceLineNo">281</span> }<a name="line.281"></a>
-<span class="sourceLineNo">282</span> }<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> * Copies only the key part of the keybuffer by doing a deep copy and passes the<a name="line.285"></a>
-<span class="sourceLineNo">286</span> * seeker state members for taking a clone.<a name="line.286"></a>
-<span class="sourceLineNo">287</span> * Note that the value byte[] part is still pointing to the currentBuffer and<a name="line.287"></a>
-<span class="sourceLineNo">288</span> * represented by the valueOffset and valueLength<a name="line.288"></a>
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-<span class="sourceLineNo">291</span> // there. So this has to be an instance of SettableSequenceId.<a name="line.291"></a>
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