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

Revision 7588, 24.5 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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8SquaredEuclideanFunction (Solr 4.0.0-ALPHA API)
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90<FONT SIZE="-1">
91org.apache.solr.search.function.distance</FONT>
92<BR>
93Class SquaredEuclideanFunction</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 "><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html" title="class in org.apache.solr.search.function.distance">org.apache.solr.search.function.distance.VectorDistanceFunction</A>
98          <IMG SRC="../../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.solr.search.function.distance.SquaredEuclideanFunction</B>
99</PRE>
100<HR>
101<DL>
102<DT><PRE>public class <B>SquaredEuclideanFunction</B><DT>extends <A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html" title="class in org.apache.solr.search.function.distance">VectorDistanceFunction</A></DL>
103</PRE>
104
105<P>
106While not strictly a distance, the Sq. Euclidean Distance is often all that is needed in many applications
107 that require a distance, thus saving a sq. rt. calculation
108<P>
109
110<P>
111<HR>
112
113<P>
114<!-- =========== FIELD SUMMARY =========== -->
115
116<A NAME="field_summary"><!-- --></A>
117<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
118<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
119<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
120<B>Field Summary</B></FONT></TH>
121</TR>
122<TR BGCOLOR="white" CLASS="TableRowColor">
123<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
124<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>
125<TD><CODE><B><A HREF="../../../../../../org/apache/solr/search/function/distance/SquaredEuclideanFunction.html#name">name</A></B></CODE>
126
127<BR>
128&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
129</TR>
130</TABLE>
131&nbsp;<A NAME="fields_inherited_from_class_org.apache.solr.search.function.distance.VectorDistanceFunction"><!-- --></A>
132<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
133<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
134<TH ALIGN="left"><B>Fields inherited from class org.apache.solr.search.function.distance.<A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html" title="class in org.apache.solr.search.function.distance">VectorDistanceFunction</A></B></TH>
135</TR>
136<TR BGCOLOR="white" CLASS="TableRowColor">
137<TD><CODE><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#oneOverPower">oneOverPower</A>, <A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#power">power</A>, <A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#source1">source1</A>, <A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#source2">source2</A></CODE></TD>
138</TR>
139</TABLE>
140&nbsp;
141<!-- ======== CONSTRUCTOR SUMMARY ======== -->
142
143<A NAME="constructor_summary"><!-- --></A>
144<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
145<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
146<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
147<B>Constructor Summary</B></FONT></TH>
148</TR>
149<TR BGCOLOR="white" CLASS="TableRowColor">
150<TD><CODE><B><A HREF="../../../../../../org/apache/solr/search/function/distance/SquaredEuclideanFunction.html#SquaredEuclideanFunction(org.apache.lucene.queries.function.valuesource.MultiValueSource, org.apache.lucene.queries.function.valuesource.MultiValueSource)">SquaredEuclideanFunction</A></B>(<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,
151                         <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>
152
153<BR>
154&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
155</TR>
156</TABLE>
157&nbsp;
158<!-- ========== METHOD SUMMARY =========== -->
159
160<A NAME="method_summary"><!-- --></A>
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164<B>Method Summary</B></FONT></TH>
165</TR>
166<TR BGCOLOR="white" CLASS="TableRowColor">
167<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
168<CODE>protected &nbsp;double</CODE></FONT></TD>
169<TD><CODE><B><A HREF="../../../../../../org/apache/solr/search/function/distance/SquaredEuclideanFunction.html#distance(int, org.apache.lucene.queries.function.FunctionValues, org.apache.lucene.queries.function.FunctionValues)">distance</A></B>(int&nbsp;doc,
170         <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,
171         <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>
172
173<BR>
174&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Calculate the distance</TD>
175</TR>
176<TR BGCOLOR="white" CLASS="TableRowColor">
177<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
178<CODE>&nbsp;boolean</CODE></FONT></TD>
179<TD><CODE><B><A HREF="../../../../../../org/apache/solr/search/function/distance/SquaredEuclideanFunction.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>
180
181<BR>
182&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
183</TR>
184<TR BGCOLOR="white" CLASS="TableRowColor">
185<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
186<CODE>&nbsp;int</CODE></FONT></TD>
187<TD><CODE><B><A HREF="../../../../../../org/apache/solr/search/function/distance/SquaredEuclideanFunction.html#hashCode()">hashCode</A></B>()</CODE>
188
189<BR>
190&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
191</TR>
192<TR BGCOLOR="white" CLASS="TableRowColor">
193<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
194<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>
195<TD><CODE><B><A HREF="../../../../../../org/apache/solr/search/function/distance/SquaredEuclideanFunction.html#name()">name</A></B>()</CODE>
196
197<BR>
198&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
199</TR>
200</TABLE>
201&nbsp;<A NAME="methods_inherited_from_class_org.apache.solr.search.function.distance.VectorDistanceFunction"><!-- --></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 org.apache.solr.search.function.distance.<A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html" title="class in org.apache.solr.search.function.distance">VectorDistanceFunction</A></B></TH>
205</TR>
206<TR BGCOLOR="white" CLASS="TableRowColor">
207<TD><CODE><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#createWeight(java.util.Map, org.apache.lucene.search.IndexSearcher)">createWeight</A>, <A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#description()">description</A>, <A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#getValues(java.util.Map, org.apache.lucene.index.AtomicReaderContext)">getValues</A></CODE></TD>
208</TR>
209</TABLE>
210&nbsp;<A NAME="methods_inherited_from_class_org.apache.lucene.queries.function.ValueSource"><!-- --></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 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>
214</TR>
215<TR BGCOLOR="white" CLASS="TableRowColor">
216<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>
217</TR>
218</TABLE>
219&nbsp;<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://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>
223</TR>
224<TR BGCOLOR="white" CLASS="TableRowColor">
225<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>
226</TR>
227</TABLE>
228&nbsp;
229<P>
230
231<!-- ============ FIELD DETAIL =========== -->
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237<B>Field Detail</B></FONT></TH>
238</TR>
239</TABLE>
240
241<A NAME="name"><!-- --></A><H3>
242name</H3>
243<PRE>
244protected <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>
245<DL>
246<DL>
247</DL>
248</DL>
249
250<!-- ========= CONSTRUCTOR DETAIL ======== -->
251
252<A NAME="constructor_detail"><!-- --></A>
253<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
254<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
255<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
256<B>Constructor Detail</B></FONT></TH>
257</TR>
258</TABLE>
259
260<A NAME="SquaredEuclideanFunction(org.apache.lucene.queries.function.valuesource.MultiValueSource, org.apache.lucene.queries.function.valuesource.MultiValueSource)"><!-- --></A><H3>
261SquaredEuclideanFunction</H3>
262<PRE>
263public <B>SquaredEuclideanFunction</B>(<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,
264                                <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>
265<DL>
266</DL>
267
268<!-- ============ METHOD DETAIL ========== -->
269
270<A NAME="method_detail"><!-- --></A>
271<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
272<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
273<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
274<B>Method Detail</B></FONT></TH>
275</TR>
276</TABLE>
277
278<A NAME="name()"><!-- --></A><H3>
279name</H3>
280<PRE>
281protected <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>
282<DL>
283<DD><DL>
284<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#name()">name</A></CODE> in class <CODE><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html" title="class in org.apache.solr.search.function.distance">VectorDistanceFunction</A></CODE></DL>
285</DD>
286<DD><DL>
287</DL>
288</DD>
289</DL>
290<HR>
291
292<A NAME="distance(int, org.apache.lucene.queries.function.FunctionValues, org.apache.lucene.queries.function.FunctionValues)"><!-- --></A><H3>
293distance</H3>
294<PRE>
295protected double <B>distance</B>(int&nbsp;doc,
296                          <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,
297                          <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>
298<DL>
299<DD><B>Description copied from class: <CODE><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#distance(int, org.apache.lucene.queries.function.FunctionValues, org.apache.lucene.queries.function.FunctionValues)">VectorDistanceFunction</A></CODE></B></DD>
300<DD>Calculate the distance
301<P>
302<DD><DL>
303<DT><B>Overrides:</B><DD><CODE><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></CODE> in class <CODE><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html" title="class in org.apache.solr.search.function.distance">VectorDistanceFunction</A></CODE></DL>
304</DD>
305<DD><DL>
306<DT><B>Parameters:</B><DD><CODE>doc</CODE> - The doc to score<DD><CODE>dv1</CODE> - The values from the first MultiValueSource<DD><CODE>dv2</CODE> - The values from the second MultiValueSource
307<DT><B>Returns:</B><DD>The distance</DL>
308</DD>
309</DL>
310<HR>
311
312<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
313equals</H3>
314<PRE>
315public 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>
316<DL>
317<DD><DL>
318<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#equals(java.lang.Object)">equals</A></CODE> in class <CODE><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html" title="class in org.apache.solr.search.function.distance">VectorDistanceFunction</A></CODE></DL>
319</DD>
320<DD><DL>
321</DL>
322</DD>
323</DL>
324<HR>
325
326<A NAME="hashCode()"><!-- --></A><H3>
327hashCode</H3>
328<PRE>
329public int <B>hashCode</B>()</PRE>
330<DL>
331<DD><DL>
332<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html#hashCode()">hashCode</A></CODE> in class <CODE><A HREF="../../../../../../org/apache/solr/search/function/distance/VectorDistanceFunction.html" title="class in org.apache.solr.search.function.distance">VectorDistanceFunction</A></CODE></DL>
333</DD>
334<DD><DL>
335</DL>
336</DD>
337</DL>
338<!-- ========= END OF CLASS DATA ========= -->
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