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91 | org.apache.hadoop.io.file.tfile</FONT> |
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93 | Class Utils</H2> |
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100 | <DT><PRE>public final class <B>Utils</B><DT>extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></DL> |
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101 | </PRE> |
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102 | |
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103 | <P> |
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104 | Supporting Utility classes used by TFile, and shared by users of TFile. |
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105 | <P> |
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121 | <CODE>static class</CODE></FONT></TD> |
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122 | <TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/io/file/tfile/Utils.Version.html" title="class in org.apache.hadoop.io.file.tfile">Utils.Version</A></B></CODE> |
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123 | |
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124 | <BR> |
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125 | A generic Version class.</TD> |
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143 | <CODE><T> int</CODE></FONT></TD> |
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144 | </TR> |
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145 | </TABLE> |
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146 | </CODE></FONT></TD> |
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147 | <TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/io/file/tfile/Utils.html#lowerBound(java.util.List, T)">lowerBound</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><? extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</A><? super T>> list, |
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148 | T key)</CODE> |
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149 | |
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150 | <BR> |
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151 | Lower bound binary search.</TD> |
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152 | </TR> |
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153 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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154 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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155 | <CODE>static |
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157 | <TR ALIGN="right" VALIGN=""> |
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158 | <TD NOWRAP><FONT SIZE="-1"> |
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159 | <CODE><T> int</CODE></FONT></TD> |
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160 | </TR> |
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161 | </TABLE> |
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162 | </CODE></FONT></TD> |
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163 | <TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/io/file/tfile/Utils.html#lowerBound(java.util.List, T, java.util.Comparator)">lowerBound</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><? extends T> list, |
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164 | T key, |
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165 | <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</A><? super T> cmp)</CODE> |
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166 | |
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167 | <BR> |
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168 | Lower bound binary search.</TD> |
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169 | </TR> |
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170 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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171 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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172 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
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173 | <TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/io/file/tfile/Utils.html#readString(java.io.DataInput)">readString</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</A> in)</CODE> |
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174 | |
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175 | <BR> |
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176 | Read a String as a VInt n, followed by n Bytes in Text format.</TD> |
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177 | </TR> |
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178 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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179 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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180 | <CODE>static int</CODE></FONT></TD> |
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181 | <TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/io/file/tfile/Utils.html#readVInt(java.io.DataInput)">readVInt</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</A> in)</CODE> |
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182 | |
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183 | <BR> |
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184 | Decoding the variable-length integer.</TD> |
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185 | </TR> |
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186 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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187 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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188 | <CODE>static long</CODE></FONT></TD> |
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189 | <TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/io/file/tfile/Utils.html#readVLong(java.io.DataInput)">readVLong</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</A> in)</CODE> |
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190 | |
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191 | <BR> |
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192 | Decoding the variable-length integer.</TD> |
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193 | </TR> |
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194 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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195 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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196 | <CODE>static |
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198 | <TR ALIGN="right" VALIGN=""> |
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199 | <TD NOWRAP><FONT SIZE="-1"> |
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200 | <CODE><T> int</CODE></FONT></TD> |
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201 | </TR> |
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202 | </TABLE> |
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203 | </CODE></FONT></TD> |
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204 | <TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/io/file/tfile/Utils.html#upperBound(java.util.List, T)">upperBound</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><? extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</A><? super T>> list, |
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205 | T key)</CODE> |
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206 | |
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207 | <BR> |
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208 | Upper bound binary search.</TD> |
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209 | </TR> |
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210 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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211 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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212 | <CODE>static |
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213 | <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY=""> |
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214 | <TR ALIGN="right" VALIGN=""> |
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215 | <TD NOWRAP><FONT SIZE="-1"> |
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216 | <CODE><T> int</CODE></FONT></TD> |
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217 | </TR> |
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218 | </TABLE> |
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219 | </CODE></FONT></TD> |
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220 | <TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/io/file/tfile/Utils.html#upperBound(java.util.List, T, java.util.Comparator)">upperBound</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><? extends T> list, |
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221 | T key, |
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222 | <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</A><? super T> cmp)</CODE> |
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223 | |
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224 | <BR> |
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225 | Upper bound binary search.</TD> |
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226 | </TR> |
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227 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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228 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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229 | <CODE>static void</CODE></FONT></TD> |
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230 | <TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/io/file/tfile/Utils.html#writeString(java.io.DataOutput, java.lang.String)">writeString</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</A> out, |
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231 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> s)</CODE> |
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232 | |
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233 | <BR> |
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234 | Write a String as a VInt n, followed by n Bytes as in Text format.</TD> |
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235 | </TR> |
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236 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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237 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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238 | <CODE>static void</CODE></FONT></TD> |
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239 | <TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/io/file/tfile/Utils.html#writeVInt(java.io.DataOutput, int)">writeVInt</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</A> out, |
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240 | int n)</CODE> |
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241 | |
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242 | <BR> |
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243 | Encoding an integer into a variable-length encoding format.</TD> |
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244 | </TR> |
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245 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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246 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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247 | <CODE>static void</CODE></FONT></TD> |
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248 | <TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/io/file/tfile/Utils.html#writeVLong(java.io.DataOutput, long)">writeVLong</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</A> out, |
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249 | long n)</CODE> |
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250 | |
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251 | <BR> |
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252 | Encoding a Long integer into a variable-length encoding format.</TD> |
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253 | </TR> |
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254 | </TABLE> |
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255 | <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
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257 | <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
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258 | <TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH> |
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259 | </TR> |
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261 | <TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD> |
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262 | </TR> |
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263 | </TABLE> |
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264 | |
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265 | <P> |
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266 | |
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267 | <!-- ============ METHOD DETAIL ========== --> |
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268 | |
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269 | <A NAME="method_detail"><!-- --></A> |
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270 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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272 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
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273 | <B>Method Detail</B></FONT></TH> |
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274 | </TR> |
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275 | </TABLE> |
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276 | |
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277 | <A NAME="writeVInt(java.io.DataOutput, int)"><!-- --></A><H3> |
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278 | writeVInt</H3> |
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279 | <PRE> |
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280 | public static void <B>writeVInt</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</A> out, |
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281 | int n) |
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282 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
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283 | <DL> |
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284 | <DD>Encoding an integer into a variable-length encoding format. Synonymous to |
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285 | <code>Utils#writeVLong(out, n)</code>. |
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286 | <P> |
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287 | <DD><DL> |
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288 | <DT><B>Parameters:</B><DD><CODE>out</CODE> - output stream<DD><CODE>n</CODE> - The integer to be encoded |
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289 | <DT><B>Throws:</B> |
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290 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE><DT><B>See Also:</B><DD><A HREF="../../../../../../org/apache/hadoop/io/file/tfile/Utils.html#writeVLong(java.io.DataOutput, long)"><CODE>writeVLong(DataOutput, long)</CODE></A></DL> |
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291 | </DD> |
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292 | </DL> |
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293 | <HR> |
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294 | |
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295 | <A NAME="writeVLong(java.io.DataOutput, long)"><!-- --></A><H3> |
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296 | writeVLong</H3> |
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297 | <PRE> |
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298 | public static void <B>writeVLong</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</A> out, |
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299 | long n) |
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300 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
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301 | <DL> |
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302 | <DD>Encoding a Long integer into a variable-length encoding format. |
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303 | <ul> |
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304 | <li>if n in [-32, 127): encode in one byte with the actual value. |
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305 | Otherwise, |
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306 | <li>if n in [-20*2^8, 20*2^8): encode in two bytes: byte[0] = n/256 - 52; |
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307 | byte[1]=n&0xff. Otherwise, |
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308 | <li>if n IN [-16*2^16, 16*2^16): encode in three bytes: byte[0]=n/2^16 - |
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309 | 88; byte[1]=(n>>8)&0xff; byte[2]=n&0xff. Otherwise, |
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310 | <li>if n in [-8*2^24, 8*2^24): encode in four bytes: byte[0]=n/2^24 - 112; |
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311 | byte[1] = (n>>16)&0xff; byte[2] = (n>>8)&0xff; byte[3]=n&0xff. Otherwise: |
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312 | <li>if n in [-2^31, 2^31): encode in five bytes: byte[0]=-125; byte[1] = |
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313 | (n>>24)&0xff; byte[2]=(n>>16)&0xff; byte[3]=(n>>8)&0xff; byte[4]=n&0xff; |
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314 | <li>if n in [-2^39, 2^39): encode in six bytes: byte[0]=-124; byte[1] = |
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315 | (n>>32)&0xff; byte[2]=(n>>24)&0xff; byte[3]=(n>>16)&0xff; |
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316 | byte[4]=(n>>8)&0xff; byte[5]=n&0xff |
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317 | <li>if n in [-2^47, 2^47): encode in seven bytes: byte[0]=-123; byte[1] = |
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318 | (n>>40)&0xff; byte[2]=(n>>32)&0xff; byte[3]=(n>>24)&0xff; |
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319 | byte[4]=(n>>16)&0xff; byte[5]=(n>>8)&0xff; byte[6]=n&0xff; |
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320 | <li>if n in [-2^55, 2^55): encode in eight bytes: byte[0]=-122; byte[1] = |
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321 | (n>>48)&0xff; byte[2] = (n>>40)&0xff; byte[3]=(n>>32)&0xff; |
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322 | byte[4]=(n>>24)&0xff; byte[5]=(n>>16)&0xff; byte[6]=(n>>8)&0xff; |
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323 | byte[7]=n&0xff; |
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324 | <li>if n in [-2^63, 2^63): encode in nine bytes: byte[0]=-121; byte[1] = |
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325 | (n>>54)&0xff; byte[2] = (n>>48)&0xff; byte[3] = (n>>40)&0xff; |
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326 | byte[4]=(n>>32)&0xff; byte[5]=(n>>24)&0xff; byte[6]=(n>>16)&0xff; |
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327 | byte[7]=(n>>8)&0xff; byte[8]=n&0xff; |
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328 | </ul> |
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329 | <P> |
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330 | <DD><DL> |
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331 | <DT><B>Parameters:</B><DD><CODE>out</CODE> - output stream<DD><CODE>n</CODE> - the integer number |
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332 | <DT><B>Throws:</B> |
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333 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
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334 | </DD> |
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335 | </DL> |
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336 | <HR> |
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337 | |
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338 | <A NAME="readVInt(java.io.DataInput)"><!-- --></A><H3> |
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339 | readVInt</H3> |
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340 | <PRE> |
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341 | public static int <B>readVInt</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</A> in) |
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342 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
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343 | <DL> |
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344 | <DD>Decoding the variable-length integer. Synonymous to |
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345 | <code>(int)Utils#readVLong(in)</code>. |
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346 | <P> |
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347 | <DD><DL> |
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348 | <DT><B>Parameters:</B><DD><CODE>in</CODE> - input stream |
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349 | <DT><B>Returns:</B><DD>the decoded integer |
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350 | <DT><B>Throws:</B> |
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351 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE><DT><B>See Also:</B><DD><A HREF="../../../../../../org/apache/hadoop/io/file/tfile/Utils.html#readVLong(java.io.DataInput)"><CODE>readVLong(DataInput)</CODE></A></DL> |
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352 | </DD> |
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353 | </DL> |
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354 | <HR> |
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355 | |
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356 | <A NAME="readVLong(java.io.DataInput)"><!-- --></A><H3> |
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357 | readVLong</H3> |
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358 | <PRE> |
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359 | public static long <B>readVLong</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</A> in) |
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360 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
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361 | <DL> |
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362 | <DD>Decoding the variable-length integer. Suppose the value of the first byte |
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363 | is FB, and the following bytes are NB[*]. |
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364 | <ul> |
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365 | <li>if (FB >= -32), return (long)FB; |
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366 | <li>if (FB in [-72, -33]), return (FB+52)<<8 + NB[0]&0xff; |
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367 | <li>if (FB in [-104, -73]), return (FB+88)<<16 + (NB[0]&0xff)<<8 + |
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368 | NB[1]&0xff; |
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369 | <li>if (FB in [-120, -105]), return (FB+112)<<24 + (NB[0]&0xff)<<16 + |
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370 | (NB[1]&0xff)<<8 + NB[2]&0xff; |
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371 | <li>if (FB in [-128, -121]), return interpret NB[FB+129] as a signed |
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372 | big-endian integer. |
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373 | <P> |
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374 | <DD><DL> |
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375 | <DT><B>Parameters:</B><DD><CODE>in</CODE> - input stream |
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376 | <DT><B>Returns:</B><DD>the decoded long integer. |
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377 | <DT><B>Throws:</B> |
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378 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
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379 | </DD> |
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380 | </DL> |
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381 | <HR> |
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382 | |
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383 | <A NAME="writeString(java.io.DataOutput, java.lang.String)"><!-- --></A><H3> |
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384 | writeString</H3> |
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385 | <PRE> |
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386 | public static void <B>writeString</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</A> out, |
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387 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> s) |
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388 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
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389 | <DL> |
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390 | <DD>Write a String as a VInt n, followed by n Bytes as in Text format. |
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391 | <P> |
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392 | <DD><DL> |
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393 | <DT><B>Parameters:</B><DD><CODE>out</CODE> - <DD><CODE>s</CODE> - |
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394 | <DT><B>Throws:</B> |
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395 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
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396 | </DD> |
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397 | </DL> |
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398 | <HR> |
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399 | |
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400 | <A NAME="readString(java.io.DataInput)"><!-- --></A><H3> |
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401 | readString</H3> |
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402 | <PRE> |
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403 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>readString</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</A> in) |
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404 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
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405 | <DL> |
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406 | <DD>Read a String as a VInt n, followed by n Bytes in Text format. |
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407 | <P> |
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408 | <DD><DL> |
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409 | <DT><B>Parameters:</B><DD><CODE>in</CODE> - The input stream. |
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410 | <DT><B>Returns:</B><DD>The string |
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411 | <DT><B>Throws:</B> |
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412 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
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413 | </DD> |
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414 | </DL> |
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415 | <HR> |
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416 | |
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417 | <A NAME="lowerBound(java.util.List,java.lang.Object,java.util.Comparator)"><!-- --></A><A NAME="lowerBound(java.util.List, T, java.util.Comparator)"><!-- --></A><H3> |
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418 | lowerBound</H3> |
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419 | <PRE> |
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420 | public static <T> int <B>lowerBound</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><? extends T> list, |
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421 | T key, |
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422 | <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</A><? super T> cmp)</PRE> |
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423 | <DL> |
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424 | <DD>Lower bound binary search. Find the index to the first element in the list |
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425 | that compares greater than or equal to key. |
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426 | <P> |
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427 | <DD><DL> |
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428 | <DT><B>Type Parameters:</B><DD><CODE>T</CODE> - Type of the input key.<DT><B>Parameters:</B><DD><CODE>list</CODE> - The list<DD><CODE>key</CODE> - The input key.<DD><CODE>cmp</CODE> - Comparator for the key. |
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429 | <DT><B>Returns:</B><DD>The index to the desired element if it exists; or list.size() |
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430 | otherwise.</DL> |
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431 | </DD> |
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432 | </DL> |
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433 | <HR> |
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434 | |
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435 | <A NAME="upperBound(java.util.List,java.lang.Object,java.util.Comparator)"><!-- --></A><A NAME="upperBound(java.util.List, T, java.util.Comparator)"><!-- --></A><H3> |
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436 | upperBound</H3> |
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437 | <PRE> |
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438 | public static <T> int <B>upperBound</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><? extends T> list, |
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439 | T key, |
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440 | <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</A><? super T> cmp)</PRE> |
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441 | <DL> |
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442 | <DD>Upper bound binary search. Find the index to the first element in the list |
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443 | that compares greater than the input key. |
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444 | <P> |
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445 | <DD><DL> |
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446 | <DT><B>Type Parameters:</B><DD><CODE>T</CODE> - Type of the input key.<DT><B>Parameters:</B><DD><CODE>list</CODE> - The list<DD><CODE>key</CODE> - The input key.<DD><CODE>cmp</CODE> - Comparator for the key. |
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447 | <DT><B>Returns:</B><DD>The index to the desired element if it exists; or list.size() |
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448 | otherwise.</DL> |
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449 | </DD> |
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450 | </DL> |
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451 | <HR> |
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452 | |
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453 | <A NAME="lowerBound(java.util.List,java.lang.Object)"><!-- --></A><A NAME="lowerBound(java.util.List, T)"><!-- --></A><H3> |
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454 | lowerBound</H3> |
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455 | <PRE> |
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456 | public static <T> int <B>lowerBound</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><? extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</A><? super T>> list, |
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457 | T key)</PRE> |
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458 | <DL> |
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459 | <DD>Lower bound binary search. Find the index to the first element in the list |
---|
460 | that compares greater than or equal to key. |
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461 | <P> |
---|
462 | <DD><DL> |
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463 | <DT><B>Type Parameters:</B><DD><CODE>T</CODE> - Type of the input key.<DT><B>Parameters:</B><DD><CODE>list</CODE> - The list<DD><CODE>key</CODE> - The input key. |
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464 | <DT><B>Returns:</B><DD>The index to the desired element if it exists; or list.size() |
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465 | otherwise.</DL> |
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466 | </DD> |
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467 | </DL> |
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468 | <HR> |
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469 | |
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470 | <A NAME="upperBound(java.util.List,java.lang.Object)"><!-- --></A><A NAME="upperBound(java.util.List, T)"><!-- --></A><H3> |
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471 | upperBound</H3> |
---|
472 | <PRE> |
---|
473 | public static <T> int <B>upperBound</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><? extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</A><? super T>> list, |
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474 | T key)</PRE> |
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475 | <DL> |
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476 | <DD>Upper bound binary search. Find the index to the first element in the list |
---|
477 | that compares greater than the input key. |
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478 | <P> |
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479 | <DD><DL> |
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480 | <DT><B>Type Parameters:</B><DD><CODE>T</CODE> - Type of the input key.<DT><B>Parameters:</B><DD><CODE>list</CODE> - The list<DD><CODE>key</CODE> - The input key. |
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481 | <DT><B>Returns:</B><DD>The index to the desired element if it exists; or list.size() |
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482 | otherwise.</DL> |
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483 | </DD> |
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484 | </DL> |
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