filterindexreader.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 1,016 行 · 第 1/5 页
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termPositions</H3>
<PRE>
public <A HREF="../../../../org/apache/lucene/index/TermPositions.html" title="interface in org.apache.lucene.index">TermPositions</A> <B>termPositions</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/index/IndexReader.html" title="class in org.apache.lucene.index">IndexReader</A></CODE></B></DD>
<DD>Returns an unpositioned <A HREF="../../../../org/apache/lucene/index/TermPositions.html" title="interface in org.apache.lucene.index"><CODE>TermPositions</CODE></A> enumerator.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/index/IndexReader.html#termPositions()">termPositions</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/index/IndexReader.html" title="class in org.apache.lucene.index">IndexReader</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="doDelete(int)"><!-- --></A><H3>
doDelete</H3>
<PRE>
protected void <B>doDelete</B>(int&nbsp;n)                 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/index/IndexReader.html" title="class in org.apache.lucene.index">IndexReader</A></CODE></B></DD>
<DD>Implements deletion of the document numbered <code>docNum</code>. Applications should call <A HREF="../../../../org/apache/lucene/index/IndexReader.html#deleteDocument(int)"><CODE>IndexReader.deleteDocument(int)</CODE></A> or <A HREF="../../../../org/apache/lucene/index/IndexReader.html#deleteDocuments(org.apache.lucene.index.Term)"><CODE>IndexReader.deleteDocuments(Term)</CODE></A>.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/index/IndexReader.html#doDelete(int)">doDelete</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/index/IndexReader.html" title="class in org.apache.lucene.index">IndexReader</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="doCommit()"><!-- --></A><H3>
doCommit</H3>
<PRE>
protected void <B>doCommit</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/index/IndexReader.html" title="class in org.apache.lucene.index">IndexReader</A></CODE></B></DD>
<DD>Implements commit.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/index/IndexReader.html#doCommit()">doCommit</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/index/IndexReader.html" title="class in org.apache.lucene.index">IndexReader</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="doClose()"><!-- --></A><H3>
doClose</H3>
<PRE>
protected void <B>doClose</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/index/IndexReader.html" title="class in org.apache.lucene.index">IndexReader</A></CODE></B></DD>
<DD>Implements close.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/index/IndexReader.html#doClose()">doClose</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/index/IndexReader.html" title="class in org.apache.lucene.index">IndexReader</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="getFieldNames(org.apache.lucene.index.IndexReader.FieldOption)"><!-- --></A><H3>
getFieldNames</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A> <B>getFieldNames</B>(<A HREF="../../../../org/apache/lucene/index/IndexReader.FieldOption.html" title="class in org.apache.lucene.index">IndexReader.FieldOption</A>&nbsp;fieldNames)</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/apache/lucene/index/IndexReader.html" title="class in org.apache.lucene.index">IndexReader</A></CODE></B></DD>
<DD>Get a list of unique field names that exist in this index and have the specified field option information.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/index/IndexReader.html#getFieldNames(org.apache.lucene.index.IndexReader.FieldOption)">getFieldNames</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/index/IndexReader.html" title="class in org.apache.lucene.index">IndexReader</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>fieldNames</CODE> - specifies which field option should be available for the returned fields<DT><B>Returns:</B><DD>Collection of Strings indicating the names of the fields.<DT><B>See Also:</B><DD><A HREF="../../../../org/apache/lucene/index/IndexReader.FieldOption.html" title="class in org.apache.lucene.index"><CODE>IndexReader.FieldOption</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getVersion()"><!-- --></A><H3>
getVersion</H3>
<PRE>
public long <B>getVersion</B>()</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/apache/lucene/index/IndexReader.html" title="class in org.apache.lucene.index">IndexReader</A></CODE></B></DD>
<DD>Version number when this IndexReader was opened.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/lucene/index/IndexReader.html#getVersion()">getVersion</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/index/IndexReader.html" title="class in org.apache.lucene.index">IndexReader</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="isCurrent()"><!-- --></A><H3>
isCurrent</H3>
<PRE>
public boolean <B>isCurrent</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/index/IndexReader.html" title="class in org.apache.lucene.index">IndexReader</A></CODE></B></DD>
<DD>Check whether this IndexReader still works on a current version of the index. If this is not the case you will need to re-open the IndexReader to make sure you see the latest changes made to the index.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/lucene/index/IndexReader.html#isCurrent()">isCurrent</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/index/IndexReader.html" title="class in org.apache.lucene.index">IndexReader</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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