1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<!--NewPage--> 3<HTML> 4<HEAD> 5<!-- Generated by javadoc (build 1.5.0) on Thu May 15 17:17:32 EDT 2008 --> 6<TITLE> 7StatsConfig (Oracle - Berkeley DB Java API) 8</TITLE> 9 10<META NAME="keywords" CONTENT="com.sleepycat.db.StatsConfig class"> 11 12<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../style.css" TITLE="Style"> 13 14<SCRIPT type="text/javascript"> 15function windowTitle() 16{ 17 parent.document.title="StatsConfig (Oracle - Berkeley DB Java API)"; 18} 19</SCRIPT> 20<NOSCRIPT> 21</NOSCRIPT> 22 23</HEAD> 24 25<BODY BGCOLOR="white" onload="windowTitle();"> 26 27 28<!-- ========= START OF TOP NAVBAR ======= --> 29<A NAME="navbar_top"><!-- --></A> 30<A HREF="#skip-navbar_top" title="Skip navigation links"></A> 31<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> 32<TR> 33<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> 34<A 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HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>'); 64 } 65 //--> 66</SCRIPT> 67<NOSCRIPT> 68 <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A> 69</NOSCRIPT> 70 71 72</FONT></TD> 73</TR> 74<TR> 75<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> 76 SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD> 77<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> 78DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD> 79</TR> 80</TABLE> 81<A NAME="skip-navbar_top"></A> 82<!-- ========= END OF TOP NAVBAR ========= --> 83 84<HR> 85<!-- ======== START OF CLASS DATA ======== --> 86<H2> 87<FONT SIZE="-1"> 88com.sleepycat.db</FONT> 89<BR> 90Class StatsConfig</H2> 91<PRE> 92<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A> 93 <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>com.sleepycat.db.StatsConfig</B> 94</PRE> 95<HR> 96<DL> 97<DT><PRE>public class <B>StatsConfig</B><DT>extends <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></DL> 98</PRE> 99 100<P> 101Specifies the attributes of a statistics retrieval operation. 102<P> 103 104<P> 105<HR> 106 107<P> 108<!-- =========== FIELD SUMMARY =========== --> 109 110<A NAME="field_summary"><!-- --></A> 111<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 112<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 113<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> 114<B>Field Summary</B></FONT></TH> 115</TR> 116<TR BGCOLOR="white" CLASS="TableRowColor"> 117<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 118<CODE>static <A HREF="../../../com/sleepycat/db/StatsConfig.html" title="class in com.sleepycat.db">StatsConfig</A></CODE></FONT></TD> 119<TD><CODE><B><A HREF="../../../com/sleepycat/db/StatsConfig.html#DEFAULT">DEFAULT</A></B></CODE> 120 121<BR> 122 </TD> 123</TR> 124</TABLE> 125 126<!-- ======== CONSTRUCTOR SUMMARY ======== --> 127 128<A NAME="constructor_summary"><!-- --></A> 129<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 130<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 131<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> 132<B>Constructor Summary</B></FONT></TH> 133</TR> 134<TR BGCOLOR="white" CLASS="TableRowColor"> 135<TD><CODE><B><A HREF="../../../com/sleepycat/db/StatsConfig.html#StatsConfig()">StatsConfig</A></B>()</CODE> 136 137<BR> 138 An instance created using the default constructor is initialized 139 with the system's default settings.</TD> 140</TR> 141</TABLE> 142 143<!-- ========== METHOD SUMMARY =========== --> 144 145<A NAME="method_summary"><!-- --></A> 146<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 147<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 148<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> 149<B>Method Summary</B></FONT></TH> 150</TR> 151<TR BGCOLOR="white" CLASS="TableRowColor"> 152<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 153<CODE> boolean</CODE></FONT></TD> 154<TD><CODE><B><A HREF="../../../com/sleepycat/db/StatsConfig.html#getClear()">getClear</A></B>()</CODE> 155 156<BR> 157 Return if the statistics operation is configured to reset 158 statistics after they are returned.</TD> 159</TR> 160<TR BGCOLOR="white" CLASS="TableRowColor"> 161<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 162<CODE> boolean</CODE></FONT></TD> 163<TD><CODE><B><A HREF="../../../com/sleepycat/db/StatsConfig.html#getFast()">getFast</A></B>()</CODE> 164 165<BR> 166 Return if the statistics operation is configured to return only the 167 values which do not require expensive actions.</TD> 168</TR> 169<TR BGCOLOR="white" CLASS="TableRowColor"> 170<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 171<CODE> void</CODE></FONT></TD> 172<TD><CODE><B><A HREF="../../../com/sleepycat/db/StatsConfig.html#setClear(boolean)">setClear</A></B>(boolean clear)</CODE> 173 174<BR> 175 Configure the statistics operation to reset statistics after they 176 are returned.</TD> 177</TR> 178<TR BGCOLOR="white" CLASS="TableRowColor"> 179<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 180<CODE> void</CODE></FONT></TD> 181<TD><CODE><B><A HREF="../../../com/sleepycat/db/StatsConfig.html#setFast(boolean)">setFast</A></B>(boolean fast)</CODE> 182 183<BR> 184 Configure the statistics operation to return only the values which 185 do not incur some performance penalty.</TD> 186</TR> 187</TABLE> 188 <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> 189<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 190<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> 191<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TH> 192</TR> 193<TR BGCOLOR="white" CLASS="TableRowColor"> 194<TD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD> 195</TR> 196</TABLE> 197 198<P> 199 200<!-- ============ FIELD DETAIL =========== --> 201 202<A NAME="field_detail"><!-- --></A> 203<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 204<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 205<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> 206<B>Field Detail</B></FONT></TH> 207</TR> 208</TABLE> 209 210<A NAME="DEFAULT"><!-- --></A><H3> 211DEFAULT</H3> 212<PRE> 213public static final <A HREF="../../../com/sleepycat/db/StatsConfig.html" title="class in com.sleepycat.db">StatsConfig</A> <B>DEFAULT</B></PRE> 214<DL> 215<DL> 216</DL> 217</DL> 218 219<!-- ========= CONSTRUCTOR DETAIL ======== --> 220 221<A NAME="constructor_detail"><!-- --></A> 222<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 223<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 224<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> 225<B>Constructor Detail</B></FONT></TH> 226</TR> 227</TABLE> 228 229<A NAME="StatsConfig()"><!-- --></A><H3> 230StatsConfig</H3> 231<PRE> 232public <B>StatsConfig</B>()</PRE> 233<DL> 234<DD>An instance created using the default constructor is initialized 235 with the system's default settings. 236<P> 237</DL> 238 239<!-- ============ METHOD DETAIL ========== --> 240 241<A NAME="method_detail"><!-- --></A> 242<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 243<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 244<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> 245<B>Method Detail</B></FONT></TH> 246</TR> 247</TABLE> 248 249<A NAME="setClear(boolean)"><!-- --></A><H3> 250setClear</H3> 251<PRE> 252public void <B>setClear</B>(boolean clear)</PRE> 253<DL> 254<DD>Configure the statistics operation to reset statistics after they 255 are returned. The default value is false. 256 <p> 257<P> 258<DD><DL> 259<DT><B>Parameters:</B><DD><CODE>clear</CODE> - If set to true, configure the statistics operation to reset 260 statistics after they are returned.</DL> 261</DD> 262</DL> 263<HR> 264 265<A NAME="getClear()"><!-- --></A><H3> 266getClear</H3> 267<PRE> 268public boolean <B>getClear</B>()</PRE> 269<DL> 270<DD>Return if the statistics operation is configured to reset 271 statistics after they are returned. 272 <p> 273<P> 274<DD><DL> 275 276<DT><B>Returns:</B><DD>If the statistics operation is configured to reset statistics after 277 they are returned.</DL> 278</DD> 279</DL> 280<HR> 281 282<A NAME="setFast(boolean)"><!-- --></A><H3> 283setFast</H3> 284<PRE> 285public void <B>setFast</B>(boolean fast)</PRE> 286<DL> 287<DD>Configure the statistics operation to return only the values which 288 do not incur some performance penalty. 289 <p> 290 The default value is false. 291 <p> 292 For example, skip stats that require a traversal of the database or 293 in-memory tree, or which lock down the lock table for a period of 294 time. 295 <p> 296 Among other things, this flag makes it possible for applications to 297 request key and record counts without incurring the performance 298 penalty of traversing the entire database. If the underlying 299 database is of type Recno, or of type Btree and the database was 300 configured to support retrieval by record number, the count of keys 301 will be exact. Otherwise, the count of keys will be the value saved 302 the last time the database was traversed, or 0 if no count of keys 303 has ever been made. If the underlying database is of type Recno, 304 the count of data items will be exact, otherwise, the count of data 305 items will be the value saved the last time the database was 306 traversed, or 0 if no count of data items has ever been done. 307 <p> 308<P> 309<DD><DL> 310<DT><B>Parameters:</B><DD><CODE>fast</CODE> - If set to true, configure the statistics operation to return only 311 the values which do not incur some performance penalty.</DL> 312</DD> 313</DL> 314<HR> 315 316<A NAME="getFast()"><!-- --></A><H3> 317getFast</H3> 318<PRE> 319public boolean <B>getFast</B>()</PRE> 320<DL> 321<DD>Return if the statistics operation is configured to return only the 322 values which do not require expensive actions. 323 <p> 324<P> 325<DD><DL> 326 327<DT><B>Returns:</B><DD>If the statistics operation is configured to return only the values 328 which do not require expensive actions.</DL> 329</DD> 330</DL> 331<!-- ========= END OF CLASS DATA ========= --> 332<HR> 333 334 335<!-- ======= START OF BOTTOM NAVBAR ====== --> 336<A NAME="navbar_bottom"><!-- --></A> 337<A HREF="#skip-navbar_bottom" title="Skip navigation links"></A> 338<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> 339<TR> 340<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> 341<A NAME="navbar_bottom_firstrow"><!-- --></A> 342<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> 343 <TR ALIGN="center" VALIGN="top"> 344 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> 345 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> 346 <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> 347 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/StatsConfig.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> 348 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> 349 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> 350 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> 351 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> 352 </TR> 353</TABLE> 354</TD> 355<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM> 356<b>Berkeley DB</b><br><font size="-1"> version 4.7.25</font></EM> 357</TD> 358</TR> 359 360<TR> 361<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> 362 <A HREF="../../../com/sleepycat/db/SequenceStats.html" title="class in com.sleepycat.db"><B>PREV CLASS</B></A> 363 <A HREF="../../../com/sleepycat/db/Transaction.html" title="class in com.sleepycat.db"><B>NEXT CLASS</B></A></FONT></TD> 364<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> 365 <A HREF="../../../index.html?com/sleepycat/db/StatsConfig.html" target="_top"><B>FRAMES</B></A> 366 <A HREF="StatsConfig.html" target="_top"><B>NO FRAMES</B></A> 367 <SCRIPT type="text/javascript"> 368 <!-- 369 if(window==top) { 370 document.writeln('<A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>'); 371 } 372 //--> 373</SCRIPT> 374<NOSCRIPT> 375 <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A> 376</NOSCRIPT> 377 378 379</FONT></TD> 380</TR> 381<TR> 382<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> 383 SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD> 384<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> 385DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD> 386</TR> 387</TABLE> 388<A NAME="skip-navbar_bottom"></A> 389<!-- ======== END OF BOTTOM NAVBAR ======= --> 390 391<HR> 392<font size=1>Copyright (c) 1996,2008 Oracle. 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