source: sandbox/expresso-solr/solr/docs/api/org/apache/solr/search/function/distance/VectorDistanceFunction.html @ 7588

Revision 7588, 29.9 KB checked in by adir, 11 years ago (diff)

Ticket #000 - Adicionando a integracao de buscas com Solr na base a ser isnerida na comunidade
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7<TITLE>
8VectorDistanceFunction (Solr 4.0.0-ALPHA API)
9</TITLE>
10
11<META NAME="date" CONTENT="2012-06-25">
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16function windowTitle()
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19        parent.document.title="VectorDistanceFunction (Solr 4.0.0-ALPHA API)";
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43  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>
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79  SUMMARY:&nbsp;NESTED&nbsp;|&nbsp;<A HREF="#field_summary">FIELD</A>&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
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88<!-- ======== START OF CLASS DATA ======== -->
89<H2>
90<FONT SIZE="-1">
91org.apache.solr.search.function.distance</FONT>
92<BR>
93Class VectorDistanceFunction</H2>
94<PRE>
95<A HREF="http://download.oracle.com/javase/6/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="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/ValueSource.html?is-external=true" title="class or interface in org.apache.lucene.queries.function">org.apache.lucene.queries.function.ValueSource</A>
97      <IMG SRC="../../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.solr.search.function.distance.VectorDistanceFunction</B>
98</PRE>
99<DL>
100<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../../../org/apache/solr/search/function/distance/SquaredEuclideanFunction.html" title="class in org.apache.solr.search.function.distance">SquaredEuclideanFunction</A></DD>
101</DL>
102<HR>
103<DL>
104<DT><PRE>public class <B>VectorDistanceFunction</B><DT>extends <A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/ValueSource.html?is-external=true" title="class or interface in org.apache.lucene.queries.function">ValueSource</A></DL>
105</PRE>
106
107<P>
108Calculate the p-norm for a Vector.  See http://en.wikipedia.org/wiki/Lp_space
109 <p/>
110 Common cases:
111 <ul>
112 <li>0 = Sparseness calculation</li>
113 <li>1 = Manhattan distance</li>
114 <li>2 = Euclidean distance</li>
115 <li>Integer.MAX_VALUE = infinite norm</li>
116 </ul>
117<P>
118
119<P>
120<DL>
121<DT><B>See Also:</B><DD><A HREF="../../../../../../org/apache/solr/search/function/distance/SquaredEuclideanFunction.html" title="class in org.apache.solr.search.function.distance"><CODE>for the special case</CODE></A></DL>
122<HR>
123
124<P>
125<!-- =========== FIELD SUMMARY =========== -->
126
127<A NAME="field_summary"><!-- --></A>
128<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
129<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
130<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
131<B>Field Summary</B></FONT></TH>
132</TR>
133<TR BGCOLOR="white" CLASS="TableRowColor">
134<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
135<CODE>protected &nbsp;float</CODE></FONT></TD>
136<TD><CODE><B><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#oneOverPower">oneOverPower</A></B></CODE>
137
138<BR>
139&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
140</TR>
141<TR BGCOLOR="white" CLASS="TableRowColor">
142<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
143<CODE>protected &nbsp;float</CODE></FONT></TD>
144<TD><CODE><B><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#power">power</A></B></CODE>
145
146<BR>
147&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
148</TR>
149<TR BGCOLOR="white" CLASS="TableRowColor">
150<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
151<CODE>protected &nbsp;<A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/valuesource/MultiValueSource.html?is-external=true" title="class or interface in org.apache.lucene.queries.function.valuesource">MultiValueSource</A></CODE></FONT></TD>
152<TD><CODE><B><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#source1">source1</A></B></CODE>
153
154<BR>
155&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
156</TR>
157<TR BGCOLOR="white" CLASS="TableRowColor">
158<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
159<CODE>protected &nbsp;<A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/valuesource/MultiValueSource.html?is-external=true" title="class or interface in org.apache.lucene.queries.function.valuesource">MultiValueSource</A></CODE></FONT></TD>
160<TD><CODE><B><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#source2">source2</A></B></CODE>
161
162<BR>
163&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
164</TR>
165</TABLE>
166&nbsp;
167<!-- ======== CONSTRUCTOR SUMMARY ======== -->
168
169<A NAME="constructor_summary"><!-- --></A>
170<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
171<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
172<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
173<B>Constructor Summary</B></FONT></TH>
174</TR>
175<TR BGCOLOR="white" CLASS="TableRowColor">
176<TD><CODE><B><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#VectorDistanceFunction(float, org.apache.lucene.queries.function.valuesource.MultiValueSource, org.apache.lucene.queries.function.valuesource.MultiValueSource)">VectorDistanceFunction</A></B>(float&nbsp;power,
177                       <A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/valuesource/MultiValueSource.html?is-external=true" title="class or interface in org.apache.lucene.queries.function.valuesource">MultiValueSource</A>&nbsp;source1,
178                       <A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/valuesource/MultiValueSource.html?is-external=true" title="class or interface in org.apache.lucene.queries.function.valuesource">MultiValueSource</A>&nbsp;source2)</CODE>
179
180<BR>
181&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
182</TR>
183</TABLE>
184&nbsp;
185<!-- ========== METHOD SUMMARY =========== -->
186
187<A NAME="method_summary"><!-- --></A>
188<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
189<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
190<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
191<B>Method Summary</B></FONT></TH>
192</TR>
193<TR BGCOLOR="white" CLASS="TableRowColor">
194<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
195<CODE>&nbsp;void</CODE></FONT></TD>
196<TD><CODE><B><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#createWeight(java.util.Map, org.apache.lucene.search.IndexSearcher)">createWeight</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A>&nbsp;context,
197             <A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//core/org/apache/lucene/search/IndexSearcher.html?is-external=true" title="class or interface in org.apache.lucene.search">IndexSearcher</A>&nbsp;searcher)</CODE>
198
199<BR>
200&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
201</TR>
202<TR BGCOLOR="white" CLASS="TableRowColor">
203<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
204<CODE>&nbsp;<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
205<TD><CODE><B><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#description()">description</A></B>()</CODE>
206
207<BR>
208&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
209</TR>
210<TR BGCOLOR="white" CLASS="TableRowColor">
211<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
212<CODE>protected &nbsp;double</CODE></FONT></TD>
213<TD><CODE><B><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#distance(int, org.apache.lucene.queries.function.FunctionValues, org.apache.lucene.queries.function.FunctionValues)">distance</A></B>(int&nbsp;doc,
214         <A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/FunctionValues.html?is-external=true" title="class or interface in org.apache.lucene.queries.function">FunctionValues</A>&nbsp;dv1,
215         <A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/FunctionValues.html?is-external=true" title="class or interface in org.apache.lucene.queries.function">FunctionValues</A>&nbsp;dv2)</CODE>
216
217<BR>
218&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Calculate the distance</TD>
219</TR>
220<TR BGCOLOR="white" CLASS="TableRowColor">
221<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
222<CODE>&nbsp;boolean</CODE></FONT></TD>
223<TD><CODE><B><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#equals(java.lang.Object)">equals</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>&nbsp;o)</CODE>
224
225<BR>
226&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
227</TR>
228<TR BGCOLOR="white" CLASS="TableRowColor">
229<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
230<CODE>&nbsp;<A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/FunctionValues.html?is-external=true" title="class or interface in org.apache.lucene.queries.function">FunctionValues</A></CODE></FONT></TD>
231<TD><CODE><B><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#getValues(java.util.Map, org.apache.lucene.index.AtomicReaderContext)">getValues</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A>&nbsp;context,
232          <A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//core/org/apache/lucene/index/AtomicReaderContext.html?is-external=true" title="class or interface in org.apache.lucene.index">AtomicReaderContext</A>&nbsp;readerContext)</CODE>
233
234<BR>
235&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
236</TR>
237<TR BGCOLOR="white" CLASS="TableRowColor">
238<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
239<CODE>&nbsp;int</CODE></FONT></TD>
240<TD><CODE><B><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#hashCode()">hashCode</A></B>()</CODE>
241
242<BR>
243&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
244</TR>
245<TR BGCOLOR="white" CLASS="TableRowColor">
246<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
247<CODE>protected &nbsp;<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
248<TD><CODE><B><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#name()">name</A></B>()</CODE>
249
250<BR>
251&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
252</TR>
253</TABLE>
254&nbsp;<A NAME="methods_inherited_from_class_org.apache.lucene.queries.function.ValueSource"><!-- --></A>
255<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
256<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
257<TH ALIGN="left"><B>Methods inherited from class org.apache.lucene.queries.function.<A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/ValueSource.html?is-external=true" title="class or interface in org.apache.lucene.queries.function">ValueSource</A></B></TH>
258</TR>
259<TR BGCOLOR="white" CLASS="TableRowColor">
260<TD><CODE><A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/ValueSource.html?is-external=true#getSortField(boolean)" title="class or interface in org.apache.lucene.queries.function">getSortField</A>, <A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/ValueSource.html?is-external=true#newContext(org.apache.lucene.search.IndexSearcher)" title="class or interface in org.apache.lucene.queries.function">newContext</A>, <A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/ValueSource.html?is-external=true#toString()" title="class or interface in org.apache.lucene.queries.function">toString</A></CODE></TD>
261</TR>
262</TABLE>
263&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
264<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
265<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
266<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
267</TR>
268<TR BGCOLOR="white" CLASS="TableRowColor">
269<TD><CODE><A HREF="http://download.oracle.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://download.oracle.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://download.oracle.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://download.oracle.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://download.oracle.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://download.oracle.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://download.oracle.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://download.oracle.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>
270</TR>
271</TABLE>
272&nbsp;
273<P>
274
275<!-- ============ FIELD DETAIL =========== -->
276
277<A NAME="field_detail"><!-- --></A>
278<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
279<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
280<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
281<B>Field Detail</B></FONT></TH>
282</TR>
283</TABLE>
284
285<A NAME="source1"><!-- --></A><H3>
286source1</H3>
287<PRE>
288protected <A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/valuesource/MultiValueSource.html?is-external=true" title="class or interface in org.apache.lucene.queries.function.valuesource">MultiValueSource</A> <B>source1</B></PRE>
289<DL>
290<DL>
291</DL>
292</DL>
293<HR>
294
295<A NAME="source2"><!-- --></A><H3>
296source2</H3>
297<PRE>
298protected <A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/valuesource/MultiValueSource.html?is-external=true" title="class or interface in org.apache.lucene.queries.function.valuesource">MultiValueSource</A> <B>source2</B></PRE>
299<DL>
300<DL>
301</DL>
302</DL>
303<HR>
304
305<A NAME="power"><!-- --></A><H3>
306power</H3>
307<PRE>
308protected float <B>power</B></PRE>
309<DL>
310<DL>
311</DL>
312</DL>
313<HR>
314
315<A NAME="oneOverPower"><!-- --></A><H3>
316oneOverPower</H3>
317<PRE>
318protected float <B>oneOverPower</B></PRE>
319<DL>
320<DL>
321</DL>
322</DL>
323
324<!-- ========= CONSTRUCTOR DETAIL ======== -->
325
326<A NAME="constructor_detail"><!-- --></A>
327<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
328<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
329<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
330<B>Constructor Detail</B></FONT></TH>
331</TR>
332</TABLE>
333
334<A NAME="VectorDistanceFunction(float, org.apache.lucene.queries.function.valuesource.MultiValueSource, org.apache.lucene.queries.function.valuesource.MultiValueSource)"><!-- --></A><H3>
335VectorDistanceFunction</H3>
336<PRE>
337public <B>VectorDistanceFunction</B>(float&nbsp;power,
338                              <A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/valuesource/MultiValueSource.html?is-external=true" title="class or interface in org.apache.lucene.queries.function.valuesource">MultiValueSource</A>&nbsp;source1,
339                              <A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/valuesource/MultiValueSource.html?is-external=true" title="class or interface in org.apache.lucene.queries.function.valuesource">MultiValueSource</A>&nbsp;source2)</PRE>
340<DL>
341</DL>
342
343<!-- ============ METHOD DETAIL ========== -->
344
345<A NAME="method_detail"><!-- --></A>
346<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
347<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
348<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
349<B>Method Detail</B></FONT></TH>
350</TR>
351</TABLE>
352
353<A NAME="name()"><!-- --></A><H3>
354name</H3>
355<PRE>
356protected <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>name</B>()</PRE>
357<DL>
358<DD><DL>
359</DL>
360</DD>
361</DL>
362<HR>
363
364<A NAME="distance(int, org.apache.lucene.queries.function.FunctionValues, org.apache.lucene.queries.function.FunctionValues)"><!-- --></A><H3>
365distance</H3>
366<PRE>
367protected double <B>distance</B>(int&nbsp;doc,
368                          <A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/FunctionValues.html?is-external=true" title="class or interface in org.apache.lucene.queries.function">FunctionValues</A>&nbsp;dv1,
369                          <A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/FunctionValues.html?is-external=true" title="class or interface in org.apache.lucene.queries.function">FunctionValues</A>&nbsp;dv2)</PRE>
370<DL>
371<DD>Calculate the distance
372<P>
373<DD><DL>
374<DT><B>Parameters:</B><DD><CODE>doc</CODE> - The current doc<DD><CODE>dv1</CODE> - The values from the first MultiValueSource<DD><CODE>dv2</CODE> - The values from the second MultiValueSource
375<DT><B>Returns:</B><DD>The distance</DL>
376</DD>
377</DL>
378<HR>
379
380<A NAME="getValues(java.util.Map, org.apache.lucene.index.AtomicReaderContext)"><!-- --></A><H3>
381getValues</H3>
382<PRE>
383public <A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/FunctionValues.html?is-external=true" title="class or interface in org.apache.lucene.queries.function">FunctionValues</A> <B>getValues</B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A>&nbsp;context,
384                                <A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//core/org/apache/lucene/index/AtomicReaderContext.html?is-external=true" title="class or interface in org.apache.lucene.index">AtomicReaderContext</A>&nbsp;readerContext)
385                         throws <A HREF="http://download.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
386<DL>
387<DD><DL>
388<DT><B>Specified by:</B><DD><CODE><A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/ValueSource.html?is-external=true#getValues(java.util.Map, org.apache.lucene.index.AtomicReaderContext)" title="class or interface in org.apache.lucene.queries.function">getValues</A></CODE> in class <CODE><A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/ValueSource.html?is-external=true" title="class or interface in org.apache.lucene.queries.function">ValueSource</A></CODE></DL>
389</DD>
390<DD><DL>
391
392<DT><B>Throws:</B>
393<DD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL>
394</DD>
395</DL>
396<HR>
397
398<A NAME="createWeight(java.util.Map, org.apache.lucene.search.IndexSearcher)"><!-- --></A><H3>
399createWeight</H3>
400<PRE>
401public void <B>createWeight</B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A>&nbsp;context,
402                         <A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//core/org/apache/lucene/search/IndexSearcher.html?is-external=true" title="class or interface in org.apache.lucene.search">IndexSearcher</A>&nbsp;searcher)
403                  throws <A HREF="http://download.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
404<DL>
405<DD><DL>
406<DT><B>Overrides:</B><DD><CODE><A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/ValueSource.html?is-external=true#createWeight(java.util.Map, org.apache.lucene.search.IndexSearcher)" title="class or interface in org.apache.lucene.queries.function">createWeight</A></CODE> in class <CODE><A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/ValueSource.html?is-external=true" title="class or interface in org.apache.lucene.queries.function">ValueSource</A></CODE></DL>
407</DD>
408<DD><DL>
409
410<DT><B>Throws:</B>
411<DD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL>
412</DD>
413</DL>
414<HR>
415
416<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
417equals</H3>
418<PRE>
419public boolean <B>equals</B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>&nbsp;o)</PRE>
420<DL>
421<DD><DL>
422<DT><B>Specified by:</B><DD><CODE><A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/ValueSource.html?is-external=true#equals(java.lang.Object)" title="class or interface in org.apache.lucene.queries.function">equals</A></CODE> in class <CODE><A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/ValueSource.html?is-external=true" title="class or interface in org.apache.lucene.queries.function">ValueSource</A></CODE></DL>
423</DD>
424<DD><DL>
425</DL>
426</DD>
427</DL>
428<HR>
429
430<A NAME="hashCode()"><!-- --></A><H3>
431hashCode</H3>
432<PRE>
433public int <B>hashCode</B>()</PRE>
434<DL>
435<DD><DL>
436<DT><B>Specified by:</B><DD><CODE><A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/ValueSource.html?is-external=true#hashCode()" title="class or interface in org.apache.lucene.queries.function">hashCode</A></CODE> in class <CODE><A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/ValueSource.html?is-external=true" title="class or interface in org.apache.lucene.queries.function">ValueSource</A></CODE></DL>
437</DD>
438<DD><DL>
439</DL>
440</DD>
441</DL>
442<HR>
443
444<A NAME="description()"><!-- --></A><H3>
445description</H3>
446<PRE>
447public <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>description</B>()</PRE>
448<DL>
449<DD><DL>
450<DT><B>Specified by:</B><DD><CODE><A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/ValueSource.html?is-external=true#description()" title="class or interface in org.apache.lucene.queries.function">description</A></CODE> in class <CODE><A HREF="http://lucene.apache.org/java/4_0_0-ALPHA//queries/org/apache/lucene/queries/function/ValueSource.html?is-external=true" title="class or interface in org.apache.lucene.queries.function">ValueSource</A></CODE></DL>
451</DD>
452<DD><DL>
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