sortcomparator.html
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SortComparator (Lucene 2.1.0 API)
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org.apache.lucene.search</FONT>
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Class SortComparator</H2>
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<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><B>org.apache.lucene.search.SortComparator</B>
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<DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/Serializable.html" title="class or interface in java.io">Serializable</A>, <A HREF="../../../../org/apache/lucene/search/SortComparatorSource.html" title="interface in org.apache.lucene.search">SortComparatorSource</A></DD>
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<DT>public abstract class <B>SortComparator</B><DT>extends <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A><DT>implements <A HREF="../../../../org/apache/lucene/search/SortComparatorSource.html" title="interface in org.apache.lucene.search">SortComparatorSource</A></DL>
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Abstract base class for sorting hits returned by a Query. <p>This class should only be used if the other SortField types (SCORE, DOC, STRING, INT, FLOAT) do not provide an adequate sorting. It maintains an internal cache of values which could be quite large. The cache is an array of Comparable, one for each document in the index. There is a distinct Comparable for each unique term in the field - if some documents have the same term in the field, the cache array will have entries which reference the same Comparable. <p>Created: Apr 21, 2004 5:08:38 PM
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<DT><B>Since:</B></DT> <DD>1.4</DD><DT><B>Version:</B></DT> <DD>$Id: SortComparator.java 150541 2004-09-29 15:09:02Z goller $</DD><DT><B>Author:</B></DT> <DD>Tim Jones</DD><DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#org.apache.lucene.search.SortComparator">Serialized Form</A></DL>
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<TD><CODE><B><A HREF="../../../../org/apache/lucene/search/SortComparator.html#SortComparator()">SortComparator</A></B>()</CODE>
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<CODE>protected abstract <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Comparable.html" title="class or interface in java.lang">Comparable</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/lucene/search/SortComparator.html#getComparable(java.lang.String)">getComparable</A></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> termtext)</CODE>
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Returns an object which, when sorted according to natural order,⌨️ 快捷键说明
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