indexsearcher.html

Lucene是apache软件基金会[4] jakarta项目组的一个子项目

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Expert: Returns one greater than the largest possible document number.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../org/apache/lucene/search/Query.html" title="class in org.apache.lucene.search">Query</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/lucene/search/IndexSearcher.html#rewrite(org.apache.lucene.search.Query)">rewrite</A></B>(<A HREF="../../../../org/apache/lucene/search/Query.html" title="class in org.apache.lucene.search">Query</A>&nbsp;original)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Expert: called to re-write queries into primitive queries.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/lucene/search/IndexSearcher.html#search(org.apache.lucene.search.Weight, org.apache.lucene.search.Filter, org.apache.lucene.search.HitCollector)">search</A></B>(<A HREF="../../../../org/apache/lucene/search/Weight.html" title="interface in org.apache.lucene.search">Weight</A>&nbsp;weight,
       <A HREF="../../../../org/apache/lucene/search/Filter.html" title="class in org.apache.lucene.search">Filter</A>&nbsp;filter,
       <A HREF="../../../../org/apache/lucene/search/HitCollector.html" title="class in org.apache.lucene.search">HitCollector</A>&nbsp;results)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Lower-level search API.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../org/apache/lucene/search/TopDocs.html" title="class in org.apache.lucene.search">TopDocs</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/lucene/search/IndexSearcher.html#search(org.apache.lucene.search.Weight, org.apache.lucene.search.Filter, int)">search</A></B>(<A HREF="../../../../org/apache/lucene/search/Weight.html" title="interface in org.apache.lucene.search">Weight</A>&nbsp;weight,
       <A HREF="../../../../org/apache/lucene/search/Filter.html" title="class in org.apache.lucene.search">Filter</A>&nbsp;filter,
       int&nbsp;nDocs)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Expert: Low-level search implementation.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../org/apache/lucene/search/TopFieldDocs.html" title="class in org.apache.lucene.search">TopFieldDocs</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/lucene/search/IndexSearcher.html#search(org.apache.lucene.search.Weight, org.apache.lucene.search.Filter, int, org.apache.lucene.search.Sort)">search</A></B>(<A HREF="../../../../org/apache/lucene/search/Weight.html" title="interface in org.apache.lucene.search">Weight</A>&nbsp;weight,
       <A HREF="../../../../org/apache/lucene/search/Filter.html" title="class in org.apache.lucene.search">Filter</A>&nbsp;filter,
       int&nbsp;nDocs,
       <A HREF="../../../../org/apache/lucene/search/Sort.html" title="class in org.apache.lucene.search">Sort</A>&nbsp;sort)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Expert: Low-level search implementation with arbitrary sorting.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.apache.lucene.search.Searcher"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class org.apache.lucene.search.<A HREF="../../../../org/apache/lucene/search/Searcher.html" title="class in org.apache.lucene.search">Searcher</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/lucene/search/Searcher.html#createWeight(org.apache.lucene.search.Query)">createWeight</A>, <A HREF="../../../../org/apache/lucene/search/Searcher.html#docFreqs(org.apache.lucene.index.Term[])">docFreqs</A>, <A HREF="../../../../org/apache/lucene/search/Searcher.html#explain(org.apache.lucene.search.Query, int)">explain</A>, <A HREF="../../../../org/apache/lucene/search/Searcher.html#getSimilarity()">getSimilarity</A>, <A HREF="../../../../org/apache/lucene/search/Searcher.html#search(org.apache.lucene.search.Query)">search</A>, <A HREF="../../../../org/apache/lucene/search/Searcher.html#search(org.apache.lucene.search.Query, org.apache.lucene.search.Filter)">search</A>, <A HREF="../../../../org/apache/lucene/search/Searcher.html#search(org.apache.lucene.search.Query, org.apache.lucene.search.Filter, org.apache.lucene.search.HitCollector)">search</A>, <A HREF="../../../../org/apache/lucene/search/Searcher.html#search(org.apache.lucene.search.Query, org.apache.lucene.search.Filter, int)">search</A>, <A HREF="../../../../org/apache/lucene/search/Searcher.html#search(org.apache.lucene.search.Query, org.apache.lucene.search.Filter, int, org.apache.lucene.search.Sort)">search</A>, <A HREF="../../../../org/apache/lucene/search/Searcher.html#search(org.apache.lucene.search.Query, org.apache.lucene.search.Filter, org.apache.lucene.search.Sort)">search</A>, <A HREF="../../../../org/apache/lucene/search/Searcher.html#search(org.apache.lucene.search.Query, org.apache.lucene.search.HitCollector)">search</A>, <A HREF="../../../../org/apache/lucene/search/Searcher.html#search(org.apache.lucene.search.Query, org.apache.lucene.search.Sort)">search</A>, <A HREF="../../../../org/apache/lucene/search/Searcher.html#setSimilarity(org.apache.lucene.search.Similarity)">setSimilarity</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.4/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/1.4/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>

<!-- ============ FIELD DETAIL =========== -->


<!-- ========= CONSTRUCTOR DETAIL ======== -->

<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="IndexSearcher(java.lang.String)"><!-- --></A><H3>
IndexSearcher</H3>
<PRE>
public <B>IndexSearcher</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;path)
              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>Creates a searcher searching the index in the named directory.
<P>
</DL>
<HR>

<A NAME="IndexSearcher(org.apache.lucene.store.Directory)"><!-- --></A><H3>
IndexSearcher</H3>
<PRE>
public <B>IndexSearcher</B>(<A HREF="../../../../org/apache/lucene/store/Directory.html" title="class in org.apache.lucene.store">Directory</A>&nbsp;directory)
              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>Creates a searcher searching the index in the provided directory.
<P>
</DL>
<HR>

<A NAME="IndexSearcher(org.apache.lucene.index.IndexReader)"><!-- --></A><H3>
IndexSearcher</H3>
<PRE>
public <B>IndexSearcher</B>(<A HREF="../../../../org/apache/lucene/index/IndexReader.html" title="class in org.apache.lucene.index">IndexReader</A>&nbsp;r)</PRE>
<DL>
<DD>Creates a searcher searching the provided index.
<P>
</DL>

<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Method Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="getIndexReader()"><!-- --></A><H3>
getIndexReader</H3>
<PRE>
public <A HREF="../../../../org/apache/lucene/index/IndexReader.html" title="class in org.apache.lucene.index">IndexReader</A> <B>getIndexReader</B>()</PRE>
<DL>
<DD>Return the <A HREF="../../../../org/apache/lucene/index/IndexReader.html" title="class in org.apache.lucene.index"><CODE>IndexReader</CODE></A> this searches.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="close()"><!-- --></A><H3>
close</H3>
<PRE>
public void <B>close</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>Note that the underlying IndexReader is not closed, if
 IndexSearcher was constructed with IndexSearcher(IndexReader r).
 If the IndexReader was supplied implicitly by specifying a directory, then
 the IndexReader gets closed.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/search/Searchable.html#close()">close</A></CODE> in interface <CODE><A HREF="../../../../org/apache/lucene/search/Searchable.html" title="interface in org.apache.lucene.search">Searchable</A></CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/search/Searcher.html#close()">close</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/search/Searcher.html" title="class in org.apache.lucene.search">Searcher</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>
<HR>

<A NAME="docFreq(org.apache.lucene.index.Term)"><!-- --></A><H3>
docFreq</H3>
<PRE>
public int <B>docFreq</B>(<A HREF="../../../../org/apache/lucene/index/Term.html" title="class in org.apache.lucene.index">Term</A>&nbsp;term)
            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 interface: <CODE><A HREF="../../../../org/apache/lucene/search/Searchable.html" title="interface in org.apache.lucene.search">Searchable</A></CODE></B></DD>
<DD>Expert: Returns the number of documents containing <code>term</code>.
 Called by search code to compute term weights.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/search/Searchable.html#docFreq(org.apache.lucene.index.Term)">docFreq</A></CODE> in interface <CODE><A HREF="../../../../org/apache/lucene/search/Searchable.html" title="interface in org.apache.lucene.search">Searchable</A></CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/search/Searcher.html#docFreq(org.apache.lucene.index.Term)">docFreq</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/search/Searcher.html" title="class in org.apache.lucene.search">Searcher</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>
<HR>

<A NAME="doc(int)"><!-- --></A><H3>
doc</H3>
<PRE>
public <A HREF="../../../../org/apache/lucene/document/Document.html" title="class in org.apache.lucene.document">Document</A> <B>doc</B>(int&nbsp;i)
             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 interface: <CODE><A HREF="../../../../org/apache/lucene/search/Searchable.html" title="interface in org.apache.lucene.search">Searchable</A></CODE></B></DD>
<DD>Expert: Returns the stored fields of document <code>i</code>.
 Called by <A HREF="../../../../org/apache/lucene/search/HitCollector.html" title="class in org.apache.lucene.search"><CODE>HitCollector</CODE></A> implementations.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/search/Searchable.html#doc(int)">doc</A></CODE> in interface <CODE><A HREF="../../../../org/apache/lucene/search/Searchable.html" title="interface in org.apache.lucene.search">Searchable</A></CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/search/Searcher.html#doc(int)">doc</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/search/Searcher.html" title="class in org.apache.lucene.search">Searcher</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>
<HR>

<A NAME="maxDoc()"><!-- --></A><H3>
maxDoc</H3>
<PRE>
public int <B>maxDoc</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 interface: <CODE><A HREF="../../../../org/apache/lucene/search/Searchable.html" title="interface in org.apache.lucene.search">Searchable</A></CODE></B></DD>
<DD>Expert: Returns one greater than the largest possible document number.
 Called by search code to compute term weights.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/search/Searchable.html#maxDoc()">maxDoc</A></CODE> in interface <CODE><A HREF="../../../../org/apache/lucene/search/Searchable.html" title="interface in org.apache.lucene.search">Searchable</A></CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/search/Searcher.html#maxDoc()">maxDoc</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/search/Searcher.html" title="class in org.apache.lucene.search">Searcher</A></CODE></DL>