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<A NAME="ConstantScoreQuery.ConstantScorer(org.apache.lucene.search.Similarity, org.apache.lucene.index.IndexReader, org.apache.lucene.search.Weight)"><!-- --></A><H3>
ConstantScoreQuery.ConstantScorer</H3>
<PRE>
public <B>ConstantScoreQuery.ConstantScorer</B>(<A HREF="../../../../org/apache/lucene/search/Similarity.html" title="class in org.apache.lucene.search">Similarity</A>&nbsp;similarity,                                         <A HREF="../../../../org/apache/lucene/index/IndexReader.html" title="class in org.apache.lucene.index">IndexReader</A>&nbsp;reader,                                         <A HREF="../../../../org/apache/lucene/search/Weight.html" title="interface in org.apache.lucene.search">Weight</A>&nbsp;w)                                  throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
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<A NAME="next()"><!-- --></A><H3>
next</H3>
<PRE>
public boolean <B>next</B>()             throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/apache/lucene/search/Scorer.html" title="class in org.apache.lucene.search">Scorer</A></CODE></B></DD>
<DD>Advances to the next document matching the query.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/search/Scorer.html#next()">next</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/search/Scorer.html" title="class in org.apache.lucene.search">Scorer</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>true iff there is another document matching the query. <br>When this method is used the <A HREF="../../../../org/apache/lucene/search/Scorer.html#explain(int)"><CODE>Scorer.explain(int)</CODE></A> method should not be used.<DT><B>Throws:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE></DL>
</DD>
</DL>
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<A NAME="doc()"><!-- --></A><H3>
doc</H3>
<PRE>
public int <B>doc</B>()</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/apache/lucene/search/Scorer.html" title="class in org.apache.lucene.search">Scorer</A></CODE></B></DD>
<DD>Returns the current document number matching the query. Initially invalid, until <A HREF="../../../../org/apache/lucene/search/Scorer.html#next()"><CODE>Scorer.next()</CODE></A> is called the first time.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/search/Scorer.html#doc()">doc</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/search/Scorer.html" title="class in org.apache.lucene.search">Scorer</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
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<HR>

<A NAME="score()"><!-- --></A><H3>
score</H3>
<PRE>
public float <B>score</B>()            throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/apache/lucene/search/Scorer.html" title="class in org.apache.lucene.search">Scorer</A></CODE></B></DD>
<DD>Returns the score of the current document matching the query. Initially invalid, until <A HREF="../../../../org/apache/lucene/search/Scorer.html#next()"><CODE>Scorer.next()</CODE></A> or <A HREF="../../../../org/apache/lucene/search/Scorer.html#skipTo(int)"><CODE>Scorer.skipTo(int)</CODE></A> is called the first time.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/search/Scorer.html#score()">score</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/search/Scorer.html" title="class in org.apache.lucene.search">Scorer</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Throws:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE></DL>
</DD>
</DL>
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<A NAME="skipTo(int)"><!-- --></A><H3>
skipTo</H3>
<PRE>
public boolean <B>skipTo</B>(int&nbsp;target)               throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/apache/lucene/search/Scorer.html" title="class in org.apache.lucene.search">Scorer</A></CODE></B></DD>
<DD>Skips to the first match beyond the current whose document number is greater than or equal to a given target. <br>When this method is used the <A HREF="../../../../org/apache/lucene/search/Scorer.html#explain(int)"><CODE>Scorer.explain(int)</CODE></A> method should not be used.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/search/Scorer.html#skipTo(int)">skipTo</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/search/Scorer.html" title="class in org.apache.lucene.search">Scorer</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>target</CODE> - The target document number.<DT><B>Returns:</B><DD>true iff there is such a match. <p>Behaves as if written: <pre>   boolean skipTo(int target) {     do {       if (!next()) 	     return false;     } while (target > doc());     return true;   } </pre>Most implementations are considerably more efficient than that.<DT><B>Throws:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="explain(int)"><!-- --></A><H3>
explain</H3>
<PRE>
public <A HREF="../../../../org/apache/lucene/search/Explanation.html" title="class in org.apache.lucene.search">Explanation</A> <B>explain</B>(int&nbsp;doc)                    throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/apache/lucene/search/Scorer.html" title="class in org.apache.lucene.search">Scorer</A></CODE></B></DD>
<DD>Returns an explanation of the score for a document. <br>When this method is used, the <A HREF="../../../../org/apache/lucene/search/Scorer.html#next()"><CODE>Scorer.next()</CODE></A>, <A HREF="../../../../org/apache/lucene/search/Scorer.html#skipTo(int)"><CODE>Scorer.skipTo(int)</CODE></A> and <A HREF="../../../../org/apache/lucene/search/Scorer.html#score(org.apache.lucene.search.HitCollector)"><CODE>Scorer.score(HitCollector)</CODE></A> methods should not be used.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/search/Scorer.html#explain(int)">explain</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/search/Scorer.html" title="class in org.apache.lucene.search">Scorer</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>doc</CODE> - The document number for the explanation.<DT><B>Throws:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE></DL>
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