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 1.6.0_03) on Mon Apr 12 16:25:48 EDT 2010 --> 6<TITLE> 7DoubleBinding (Oracle - Berkeley DB Java API) 8</TITLE> 9 10<META NAME="date" CONTENT="2010-04-12"> 11 12<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../style.css" TITLE="Style"> 13 14<SCRIPT type="text/javascript"> 15function windowTitle() 16{ 17 if (location.href.indexOf('is-external=true') == -1) { 18 parent.document.title="DoubleBinding (Oracle - Berkeley DB Java API)"; 19 } 20} 21</SCRIPT> 22<NOSCRIPT> 23</NOSCRIPT> 24 25</HEAD> 26 27<BODY BGCOLOR="white" onload="windowTitle();"> 28<HR> 29 30 31<!-- ========= START OF TOP NAVBAR ======= --> 32<A NAME="navbar_top"><!-- --></A> 33<A HREF="#skip-navbar_top" title="Skip navigation links"></A> 34<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> 35<TR> 36<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> 37<A NAME="navbar_top_firstrow"><!-- --></A> 38<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> 39 <TR ALIGN="center" VALIGN="top"> 40 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> 41 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> 42 <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> 43 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/DoubleBinding.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> 44 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> 45 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> 46 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> 47 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> 48 </TR> 49</TABLE> 50</TD> 51<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM> 52<b>Berkeley DB</b><br><font size="-1"> version 4.8.30</font></EM> 53</TD> 54</TR> 55 56<TR> 57<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> 58 <A HREF="../../../../com/sleepycat/bind/tuple/CharacterBinding.html" title="class in com.sleepycat.bind.tuple"><B>PREV CLASS</B></A> 59 <A HREF="../../../../com/sleepycat/bind/tuple/FloatBinding.html" title="class in com.sleepycat.bind.tuple"><B>NEXT CLASS</B></A></FONT></TD> 60<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> 61 <A HREF="../../../../index.html?com/sleepycat/bind/tuple/DoubleBinding.html" target="_top"><B>FRAMES</B></A> 62 <A HREF="DoubleBinding.html" target="_top"><B>NO FRAMES</B></A> 63 <SCRIPT type="text/javascript"> 64 <!-- 65 if(window==top) { 66 document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); 67 } 68 //--> 69</SCRIPT> 70<NOSCRIPT> 71 <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A> 72</NOSCRIPT> 73 74 75</FONT></TD> 76</TR> 77<TR> 78<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> 79 SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD> 80<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> 81DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD> 82</TR> 83</TABLE> 84<A NAME="skip-navbar_top"></A> 85<!-- ========= END OF TOP NAVBAR ========= --> 86 87<HR> 88<!-- ======== START OF CLASS DATA ======== --> 89<H2> 90<FONT SIZE="-1"> 91com.sleepycat.bind.tuple</FONT> 92<BR> 93Class DoubleBinding</H2> 94<PRE> 95<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A> 96 <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../com/sleepycat/bind/tuple/TupleBase.html" title="class in com.sleepycat.bind.tuple">com.sleepycat.bind.tuple.TupleBase</A><E> 97 <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../com/sleepycat/bind/tuple/TupleBinding.html" title="class in com.sleepycat.bind.tuple">com.sleepycat.bind.tuple.TupleBinding</A><<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</A>> 98 <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>com.sleepycat.bind.tuple.DoubleBinding</B> 99</PRE> 100<DL> 101<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../com/sleepycat/bind/EntryBinding.html" title="interface in com.sleepycat.bind">EntryBinding</A><<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</A>></DD> 102</DL> 103<HR> 104<DL> 105<DT><PRE>public class <B>DoubleBinding</B><DT>extends <A HREF="../../../../com/sleepycat/bind/tuple/TupleBinding.html" title="class in com.sleepycat.bind.tuple">TupleBinding</A><<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</A>></DL> 106</PRE> 107 108<P> 109A concrete <code>TupleBinding</code> for a <code>Double</code> primitive 110 wrapper or a <code>double</code> primitive. 111 112 <p><em>Note:</em> This class produces byte array values that by default 113 (without a custom comparator) do <em>not</em> sort correctly for negative 114 values. Only non-negative values are sorted correctly by default. To sort 115 all values correctly by default, use <A HREF="../../../../com/sleepycat/bind/tuple/SortedDoubleBinding.html" title="class in com.sleepycat.bind.tuple"><CODE>SortedDoubleBinding</CODE></A>.</p> 116 117 <p>There are two ways to use this class:</p> 118 <ol> 119 <li>When using the <A HREF="../../../../com/sleepycat/db/package-summary.html"><CODE>com.sleepycat.db</CODE></A> package directly, the static 120 methods in this class can be used to convert between primitive values and 121 <A HREF="../../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db"><CODE>DatabaseEntry</CODE></A> objects.</li> 122 <li>When using the <A HREF="../../../../com/sleepycat/collections/package-summary.html"><CODE>com.sleepycat.collections</CODE></A> package, an instance of 123 this class can be used with any stored collection. The easiest way to 124 obtain a binding instance is with the <A HREF="../../../../com/sleepycat/bind/tuple/TupleBinding.html#getPrimitiveBinding(java.lang.Class)"><CODE>TupleBinding.getPrimitiveBinding(java.lang.Class<T>)</CODE></A> method.</li> 125 </ol> 126<P> 127 128<P> 129<HR> 130 131<P> 132 133<!-- ======== CONSTRUCTOR SUMMARY ======== --> 134 135<A NAME="constructor_summary"><!-- --></A> 136<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 137<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 138<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> 139<B>Constructor Summary</B></FONT></TH> 140</TR> 141<TR BGCOLOR="white" CLASS="TableRowColor"> 142<TD><CODE><B><A HREF="../../../../com/sleepycat/bind/tuple/DoubleBinding.html#DoubleBinding()">DoubleBinding</A></B>()</CODE> 143 144<BR> 145 </TD> 146</TR> 147</TABLE> 148 149<!-- ========== METHOD SUMMARY =========== --> 150 151<A NAME="method_summary"><!-- --></A> 152<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 153<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 154<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> 155<B>Method Summary</B></FONT></TH> 156</TR> 157<TR BGCOLOR="white" CLASS="TableRowColor"> 158<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 159<CODE>static void</CODE></FONT></TD> 160<TD><CODE><B><A HREF="../../../../com/sleepycat/bind/tuple/DoubleBinding.html#doubleToEntry(double, com.sleepycat.db.DatabaseEntry)">doubleToEntry</A></B>(double val, 161 <A HREF="../../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A> entry)</CODE> 162 163<BR> 164 Converts a simple <code>double</code> value into an entry buffer.</TD> 165</TR> 166<TR BGCOLOR="white" CLASS="TableRowColor"> 167<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 168<CODE>static double</CODE></FONT></TD> 169<TD><CODE><B><A HREF="../../../../com/sleepycat/bind/tuple/DoubleBinding.html#entryToDouble(com.sleepycat.db.DatabaseEntry)">entryToDouble</A></B>(<A HREF="../../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A> entry)</CODE> 170 171<BR> 172 Converts an entry buffer into a simple <code>double</code> value.</TD> 173</TR> 174<TR BGCOLOR="white" CLASS="TableRowColor"> 175<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 176<CODE> <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</A></CODE></FONT></TD> 177<TD><CODE><B><A HREF="../../../../com/sleepycat/bind/tuple/DoubleBinding.html#entryToObject(com.sleepycat.bind.tuple.TupleInput)">entryToObject</A></B>(<A HREF="../../../../com/sleepycat/bind/tuple/TupleInput.html" title="class in com.sleepycat.bind.tuple">TupleInput</A> input)</CODE> 178 179<BR> 180 Constructs a key or data object from a <A HREF="../../../../com/sleepycat/bind/tuple/TupleInput.html" title="class in com.sleepycat.bind.tuple"><CODE>TupleInput</CODE></A> entry.</TD> 181</TR> 182<TR BGCOLOR="white" CLASS="TableRowColor"> 183<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 184<CODE>protected <A HREF="../../../../com/sleepycat/bind/tuple/TupleOutput.html" title="class in com.sleepycat.bind.tuple">TupleOutput</A></CODE></FONT></TD> 185<TD><CODE><B><A HREF="../../../../com/sleepycat/bind/tuple/DoubleBinding.html#getTupleOutput(java.lang.Double)">getTupleOutput</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</A> object)</CODE> 186 187<BR> 188 Returns an empty TupleOutput instance that will be used by the tuple 189 binding or key creator.</TD> 190</TR> 191<TR BGCOLOR="white" CLASS="TableRowColor"> 192<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 193<CODE> void</CODE></FONT></TD> 194<TD><CODE><B><A HREF="../../../../com/sleepycat/bind/tuple/DoubleBinding.html#objectToEntry(java.lang.Double, com.sleepycat.bind.tuple.TupleOutput)">objectToEntry</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</A> object, 195 <A HREF="../../../../com/sleepycat/bind/tuple/TupleOutput.html" title="class in com.sleepycat.bind.tuple">TupleOutput</A> output)</CODE> 196 197<BR> 198 Converts a key or data object to a tuple entry.</TD> 199</TR> 200</TABLE> 201 <A NAME="methods_inherited_from_class_com.sleepycat.bind.tuple.TupleBinding"><!-- --></A> 202<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 203<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> 204<TH ALIGN="left"><B>Methods inherited from class com.sleepycat.bind.tuple.<A HREF="../../../../com/sleepycat/bind/tuple/TupleBinding.html" title="class in com.sleepycat.bind.tuple">TupleBinding</A></B></TH> 205</TR> 206<TR BGCOLOR="white" CLASS="TableRowColor"> 207<TD><CODE><A HREF="../../../../com/sleepycat/bind/tuple/TupleBinding.html#entryToObject(com.sleepycat.db.DatabaseEntry)">entryToObject</A>, <A HREF="../../../../com/sleepycat/bind/tuple/TupleBinding.html#getPrimitiveBinding(java.lang.Class)">getPrimitiveBinding</A>, <A HREF="../../../../com/sleepycat/bind/tuple/TupleBinding.html#objectToEntry(E, com.sleepycat.db.DatabaseEntry)">objectToEntry</A></CODE></TD> 208</TR> 209</TABLE> 210 <A NAME="methods_inherited_from_class_com.sleepycat.bind.tuple.TupleBase"><!-- --></A> 211<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 212<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> 213<TH ALIGN="left"><B>Methods inherited from class com.sleepycat.bind.tuple.<A HREF="../../../../com/sleepycat/bind/tuple/TupleBase.html" title="class in com.sleepycat.bind.tuple">TupleBase</A></B></TH> 214</TR> 215<TR BGCOLOR="white" CLASS="TableRowColor"> 216<TD><CODE><A HREF="../../../../com/sleepycat/bind/tuple/TupleBase.html#entryToInput(com.sleepycat.db.DatabaseEntry)">entryToInput</A>, <A HREF="../../../../com/sleepycat/bind/tuple/TupleBase.html#getTupleBufferSize()">getTupleBufferSize</A>, <A HREF="../../../../com/sleepycat/bind/tuple/TupleBase.html#inputToEntry(com.sleepycat.bind.tuple.TupleInput, com.sleepycat.db.DatabaseEntry)">inputToEntry</A>, <A HREF="../../../../com/sleepycat/bind/tuple/TupleBase.html#newOutput()">newOutput</A>, <A HREF="../../../../com/sleepycat/bind/tuple/TupleBase.html#newOutput(byte[])">newOutput</A>, <A HREF="../../../../com/sleepycat/bind/tuple/TupleBase.html#outputToEntry(com.sleepycat.bind.tuple.TupleOutput, com.sleepycat.db.DatabaseEntry)">outputToEntry</A>, <A HREF="../../../../com/sleepycat/bind/tuple/TupleBase.html#setTupleBufferSize(int)">setTupleBufferSize</A></CODE></TD> 217</TR> 218</TABLE> 219 <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> 220<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 221<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> 222<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?is-external=true" title="class or interface in java.lang">Object</A></B></TH> 223</TR> 224<TR BGCOLOR="white" CLASS="TableRowColor"> 225<TD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/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/j2se/1.5.0/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/j2se/1.5.0/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/j2se/1.5.0/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/j2se/1.5.0/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/j2se/1.5.0/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/j2se/1.5.0/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/j2se/1.5.0/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/j2se/1.5.0/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/j2se/1.5.0/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/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD> 226</TR> 227</TABLE> 228 229<P> 230 231<!-- ========= CONSTRUCTOR DETAIL ======== --> 232 233<A NAME="constructor_detail"><!-- --></A> 234<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 235<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 236<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> 237<B>Constructor Detail</B></FONT></TH> 238</TR> 239</TABLE> 240 241<A NAME="DoubleBinding()"><!-- --></A><H3> 242DoubleBinding</H3> 243<PRE> 244public <B>DoubleBinding</B>()</PRE> 245<DL> 246</DL> 247 248<!-- ============ METHOD DETAIL ========== --> 249 250<A NAME="method_detail"><!-- --></A> 251<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 252<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 253<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> 254<B>Method Detail</B></FONT></TH> 255</TR> 256</TABLE> 257 258<A NAME="entryToObject(com.sleepycat.bind.tuple.TupleInput)"><!-- --></A><H3> 259entryToObject</H3> 260<PRE> 261public <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</A> <B>entryToObject</B>(<A HREF="../../../../com/sleepycat/bind/tuple/TupleInput.html" title="class in com.sleepycat.bind.tuple">TupleInput</A> input)</PRE> 262<DL> 263<DD><B>Description copied from class: <CODE><A HREF="../../../../com/sleepycat/bind/tuple/TupleBinding.html#entryToObject(com.sleepycat.bind.tuple.TupleInput)">TupleBinding</A></CODE></B></DD> 264<DD>Constructs a key or data object from a <A HREF="../../../../com/sleepycat/bind/tuple/TupleInput.html" title="class in com.sleepycat.bind.tuple"><CODE>TupleInput</CODE></A> entry. 265<P> 266<DD><DL> 267<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../com/sleepycat/bind/tuple/TupleBinding.html#entryToObject(com.sleepycat.bind.tuple.TupleInput)">entryToObject</A></CODE> in class <CODE><A HREF="../../../../com/sleepycat/bind/tuple/TupleBinding.html" title="class in com.sleepycat.bind.tuple">TupleBinding</A><<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</A>></CODE></DL> 268</DD> 269<DD><DL> 270<DT><B>Parameters:</B><DD><CODE>input</CODE> - is the tuple key or data entry. 271<DT><B>Returns:</B><DD>the key or data object constructed from the entry.</DL> 272</DD> 273</DL> 274<HR> 275 276<A NAME="objectToEntry(java.lang.Double, com.sleepycat.bind.tuple.TupleOutput)"><!-- --></A><H3> 277objectToEntry</H3> 278<PRE> 279public void <B>objectToEntry</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</A> object, 280 <A HREF="../../../../com/sleepycat/bind/tuple/TupleOutput.html" title="class in com.sleepycat.bind.tuple">TupleOutput</A> output)</PRE> 281<DL> 282<DD><B>Description copied from class: <CODE><A HREF="../../../../com/sleepycat/bind/tuple/TupleBinding.html#objectToEntry(E, com.sleepycat.bind.tuple.TupleOutput)">TupleBinding</A></CODE></B></DD> 283<DD>Converts a key or data object to a tuple entry. 284<P> 285<DD><DL> 286<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../com/sleepycat/bind/tuple/TupleBinding.html#objectToEntry(E, com.sleepycat.bind.tuple.TupleOutput)">objectToEntry</A></CODE> in class <CODE><A HREF="../../../../com/sleepycat/bind/tuple/TupleBinding.html" title="class in com.sleepycat.bind.tuple">TupleBinding</A><<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</A>></CODE></DL> 287</DD> 288<DD><DL> 289<DT><B>Parameters:</B><DD><CODE>object</CODE> - is the key or data object.<DD><CODE>output</CODE> - is the tuple entry to which the key or data should be 290 written.</DL> 291</DD> 292</DL> 293<HR> 294 295<A NAME="getTupleOutput(java.lang.Double)"><!-- --></A><H3> 296getTupleOutput</H3> 297<PRE> 298protected <A HREF="../../../../com/sleepycat/bind/tuple/TupleOutput.html" title="class in com.sleepycat.bind.tuple">TupleOutput</A> <B>getTupleOutput</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</A> object)</PRE> 299<DL> 300<DD><B>Description copied from class: <CODE><A HREF="../../../../com/sleepycat/bind/tuple/TupleBase.html#getTupleOutput(E)">TupleBase</A></CODE></B></DD> 301<DD>Returns an empty TupleOutput instance that will be used by the tuple 302 binding or key creator. 303 304 <p>The default implementation of this method creates a new TupleOutput 305 with an initial buffer size that can be changed using the <A HREF="../../../../com/sleepycat/bind/tuple/TupleBase.html#setTupleBufferSize(int)"><CODE>TupleBase.setTupleBufferSize(int)</CODE></A> method.</p> 306 307 <p>This method may be overridden to return a TupleOutput instance. For 308 example, an instance per thread could be created and returned by this 309 method. If a TupleOutput instance is reused, be sure to call its 310 <A HREF="../../../../com/sleepycat/util/FastOutputStream.html#reset()"><CODE>FastOutputStream.reset()</CODE></A> method before each 311 use.</p> 312<P> 313<DD><DL> 314<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../com/sleepycat/bind/tuple/TupleBase.html#getTupleOutput(E)">getTupleOutput</A></CODE> in class <CODE><A HREF="../../../../com/sleepycat/bind/tuple/TupleBase.html" title="class in com.sleepycat.bind.tuple">TupleBase</A><<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</A>></CODE></DL> 315</DD> 316<DD><DL> 317<DT><B>Parameters:</B><DD><CODE>object</CODE> - is the object to be written to the tuple output, and may 318 be used by subclasses to determine the size of the output buffer. 319<DT><B>Returns:</B><DD>an empty TupleOutput instance.<DT><B>See Also:</B><DD><A HREF="../../../../com/sleepycat/bind/tuple/TupleBase.html#setTupleBufferSize(int)"><CODE>TupleBase.setTupleBufferSize(int)</CODE></A></DL> 320</DD> 321</DL> 322<HR> 323 324<A NAME="entryToDouble(com.sleepycat.db.DatabaseEntry)"><!-- --></A><H3> 325entryToDouble</H3> 326<PRE> 327public static double <B>entryToDouble</B>(<A HREF="../../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A> entry)</PRE> 328<DL> 329<DD>Converts an entry buffer into a simple <code>double</code> value. 330<P> 331<DD><DL> 332<DT><B>Parameters:</B><DD><CODE>entry</CODE> - is the source entry buffer. 333<DT><B>Returns:</B><DD>the resulting value.</DL> 334</DD> 335</DL> 336<HR> 337 338<A NAME="doubleToEntry(double, com.sleepycat.db.DatabaseEntry)"><!-- --></A><H3> 339doubleToEntry</H3> 340<PRE> 341public static void <B>doubleToEntry</B>(double val, 342 <A HREF="../../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A> entry)</PRE> 343<DL> 344<DD>Converts a simple <code>double</code> value into an entry buffer. 345<P> 346<DD><DL> 347<DT><B>Parameters:</B><DD><CODE>val</CODE> - is the source value.<DD><CODE>entry</CODE> - is the destination entry buffer.</DL> 348</DD> 349</DL> 350<!-- ========= END OF CLASS DATA ========= --> 351<HR> 352 353 354<!-- ======= START OF BOTTOM NAVBAR ====== --> 355<A NAME="navbar_bottom"><!-- --></A> 356<A HREF="#skip-navbar_bottom" title="Skip navigation links"></A> 357<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> 358<TR> 359<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> 360<A NAME="navbar_bottom_firstrow"><!-- --></A> 361<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> 362 <TR ALIGN="center" VALIGN="top"> 363 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> 364 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> 365 <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> 366 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/DoubleBinding.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> 367 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> 368 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> 369 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> 370 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> 371 </TR> 372</TABLE> 373</TD> 374<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM> 375<b>Berkeley DB</b><br><font size="-1"> version 4.8.30</font></EM> 376</TD> 377</TR> 378 379<TR> 380<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> 381 <A HREF="../../../../com/sleepycat/bind/tuple/CharacterBinding.html" title="class in com.sleepycat.bind.tuple"><B>PREV CLASS</B></A> 382 <A HREF="../../../../com/sleepycat/bind/tuple/FloatBinding.html" title="class in com.sleepycat.bind.tuple"><B>NEXT CLASS</B></A></FONT></TD> 383<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> 384 <A HREF="../../../../index.html?com/sleepycat/bind/tuple/DoubleBinding.html" target="_top"><B>FRAMES</B></A> 385 <A HREF="DoubleBinding.html" target="_top"><B>NO FRAMES</B></A> 386 <SCRIPT type="text/javascript"> 387 <!-- 388 if(window==top) { 389 document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); 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