fieldsortedhitqueue.html

来自「 Lucene是apache软件基金会[4] jakarta项目组的一个子项目」· HTML 代码 · 共 437 行 · 第 1/2 页

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<TD><CODE><A HREF="../../../../org/apache/lucene/util/PriorityQueue.html#adjustTop()">adjustTop</A>, <A HREF="../../../../org/apache/lucene/util/PriorityQueue.html#clear()">clear</A>, <A HREF="../../../../org/apache/lucene/util/PriorityQueue.html#initialize(int)">initialize</A>, <A HREF="../../../../org/apache/lucene/util/PriorityQueue.html#pop()">pop</A>, <A HREF="../../../../org/apache/lucene/util/PriorityQueue.html#put(java.lang.Object)">put</A>, <A HREF="../../../../org/apache/lucene/util/PriorityQueue.html#size()">size</A>, <A HREF="../../../../org/apache/lucene/util/PriorityQueue.html#top()">top</A></CODE></TD>
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<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>
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<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>
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<!-- ============ FIELD DETAIL =========== -->

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<B>Field Detail</B></FONT></TD>
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<A NAME="comparators"><!-- --></A><H3>
comparators</H3>
<PRE>
protected <A HREF="../../../../org/apache/lucene/search/ScoreDocComparator.html" title="interface in org.apache.lucene.search">ScoreDocComparator</A>[] <B>comparators</B></PRE>
<DL>
<DD>Stores a comparator corresponding to each field being sorted by
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="fields"><!-- --></A><H3>
fields</H3>
<PRE>
protected <A HREF="../../../../org/apache/lucene/search/SortField.html" title="class in org.apache.lucene.search">SortField</A>[] <B>fields</B></PRE>
<DL>
<DD>Stores the sort criteria being used.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="maxscore"><!-- --></A><H3>
maxscore</H3>
<PRE>
protected float <B>maxscore</B></PRE>
<DL>
<DD>Stores the maximum score value encountered, needed for normalizing.
<P>
<DL>
</DL>
</DL>

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<A NAME="FieldSortedHitQueue(org.apache.lucene.index.IndexReader, org.apache.lucene.search.SortField[], int)"><!-- --></A><H3>
FieldSortedHitQueue</H3>
<PRE>
public <B>FieldSortedHitQueue</B>(<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/SortField.html" title="class in org.apache.lucene.search">SortField</A>[]&nbsp;fields,
                           int&nbsp;size)
                    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 hit queue sorted by the given list of fields.
<P>
<DT><B>Parameters:</B><DD><CODE>reader</CODE> - Index to use.<DD><CODE>fields</CODE> - Fieldable names, in priority order (highest priority first).  Cannot be <code>null</code> or empty.<DD><CODE>size</CODE> - The number of hits to retain.  Must be greater than zero.
<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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<A NAME="getMaxScore()"><!-- --></A><H3>
getMaxScore</H3>
<PRE>
public float <B>getMaxScore</B>()</PRE>
<DL>
<DD>returns the maximum score encountered by elements inserted via insert()
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="insert(org.apache.lucene.search.FieldDoc)"><!-- --></A><H3>
insert</H3>
<PRE>
public boolean <B>insert</B>(<A HREF="../../../../org/apache/lucene/search/FieldDoc.html" title="class in org.apache.lucene.search">FieldDoc</A>&nbsp;fdoc)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
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<A NAME="insert(java.lang.Object)"><!-- --></A><H3>
insert</H3>
<PRE>
public boolean <B>insert</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;fdoc)</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/apache/lucene/util/PriorityQueue.html" title="class in org.apache.lucene.util">PriorityQueue</A></CODE></B></DD>
<DD>Adds element to the PriorityQueue in log(size) time if either
 the PriorityQueue is not full, or not lessThan(element, top()).
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/lucene/util/PriorityQueue.html#insert(java.lang.Object)">insert</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/util/PriorityQueue.html" title="class in org.apache.lucene.util">PriorityQueue</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>fdoc</CODE> - 
<DT><B>Returns:</B><DD>true if element is added, false otherwise.</DL>
</DD>
</DL>
<HR>

<A NAME="lessThan(java.lang.Object, java.lang.Object)"><!-- --></A><H3>
lessThan</H3>
<PRE>
protected boolean <B>lessThan</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;a,
                           <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;b)</PRE>
<DL>
<DD>Returns whether <code>a</code> is less relevant than <code>b</code>.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/util/PriorityQueue.html#lessThan(java.lang.Object, java.lang.Object)">lessThan</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/util/PriorityQueue.html" title="class in org.apache.lucene.util">PriorityQueue</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>a</CODE> - ScoreDoc<DD><CODE>b</CODE> - ScoreDoc
<DT><B>Returns:</B><DD><code>true</code> if document <code>a</code> should be sorted after document <code>b</code>.</DL>
</DD>
</DL>
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