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 enumeration of all the documents which contain <code>term</code>. For each document, the document number, the frequency of the term in that document is also provided, for use in search scoring. Thus, this method implements the mapping: <p><ul> Term &nbsp;&nbsp; =&gt; &nbsp;&nbsp; &lt;docNum, freq&gt;<sup>*</sup> </ul> <p>The enumeration is ordered by document number.  Each document number is greater than all that precede it in the enumeration.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/lucene/index/IndexReader.html#termDocs(org.apache.lucene.index.Term)">termDocs</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="termDocs()"><!-- --></A><H3>
termDocs</H3>
<PRE>
public <A HREF="../../../../org/apache/lucene/index/TermDocs.html" title="interface in org.apache.lucene.index">TermDocs</A> <B>termDocs</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/TermDocs.html" title="interface in org.apache.lucene.index"><CODE>TermDocs</CODE></A> enumerator.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/index/IndexReader.html#termDocs()">termDocs</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="termPositions(org.apache.lucene.index.Term)"><!-- --></A><H3>
termPositions</H3>
<PRE>
public <A HREF="../../../../org/apache/lucene/index/TermPositions.html" title="interface in org.apache.lucene.index">TermPositions</A> <B>termPositions</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 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 enumeration of all the documents which contain <code>term</code>.  For each document, in addition to the document number and frequency of the term in that document, a list of all of the ordinal positions of the term in the document is available.  Thus, this method implements the mapping: <p><ul> Term &nbsp;&nbsp; =&gt; &nbsp;&nbsp; &lt;docNum, freq, &lt;pos<sub>1</sub>, pos<sub>2</sub>, ... pos<sub>freq-1</sub>&gt; &gt;<sup>*</sup> </ul> <p> This positional information faciliates phrase and proximity searching. <p>The enumeration is ordered by document number.  Each document number is greater than all that precede it in the enumeration.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/lucene/index/IndexReader.html#termPositions(org.apache.lucene.index.Term)">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="termPositions()"><!-- --></A><H3>
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="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>
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