fsdirectory.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 892 行 · 第 1/4 页

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<A NAME="fileLength(java.lang.String)"><!-- --></A><H3>
fileLength</H3>
<PRE>
public long <B>fileLength</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;name)</PRE>
<DL>
<DD>Returns the length in bytes of a file in the directory.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/store/Directory.html#fileLength(java.lang.String)">fileLength</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/store/Directory.html" title="class in org.apache.lucene.store">Directory</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="deleteFile(java.lang.String)"><!-- --></A><H3>
deleteFile</H3>
<PRE>
public void <B>deleteFile</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;name)
                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>Removes an existing file in the directory.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/store/Directory.html#deleteFile(java.lang.String)">deleteFile</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/store/Directory.html" title="class in org.apache.lucene.store">Directory</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="renameFile(java.lang.String, java.lang.String)"><!-- --></A><H3>
renameFile</H3>
<PRE>
public void <B>renameFile</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;from,
                       <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;to)
                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>Deprecated.</B>&nbsp;<I></I>&nbsp;
<P>
<DD>Renames an existing file in the directory. 
 Warning: This is not atomic.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/store/Directory.html#renameFile(java.lang.String, java.lang.String)">renameFile</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/store/Directory.html" title="class in org.apache.lucene.store">Directory</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="createOutput(java.lang.String)"><!-- --></A><H3>
createOutput</H3>
<PRE>
public <A HREF="../../../../org/apache/lucene/store/IndexOutput.html" title="class in org.apache.lucene.store">IndexOutput</A> <B>createOutput</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;name)
                         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 new, empty file in the directory with the given name.
      Returns a stream writing this file.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/store/Directory.html#createOutput(java.lang.String)">createOutput</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/store/Directory.html" title="class in org.apache.lucene.store">Directory</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="openInput(java.lang.String)"><!-- --></A><H3>
openInput</H3>
<PRE>
public <A HREF="../../../../org/apache/lucene/store/IndexInput.html" title="class in org.apache.lucene.store">IndexInput</A> <B>openInput</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;name)
                     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>Returns a stream reading an existing file.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/store/Directory.html#openInput(java.lang.String)">openInput</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/store/Directory.html" title="class in org.apache.lucene.store">Directory</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="getLockID()"><!-- --></A><H3>
getLockID</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getLockID</B>()</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/apache/lucene/store/Directory.html" title="class in org.apache.lucene.store">Directory</A></CODE></B></DD>
<DD>Return a string identifier that uniquely differentiates
 this Directory instance from other Directory instances.
 This ID should be the same if two Directory instances
 (even in different JVMs and/or on different machines)
 are considered "the same index".  This is how locking
 "scopes" to the right index.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/lucene/store/Directory.html#getLockID()">getLockID</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/store/Directory.html" title="class in org.apache.lucene.store">Directory</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="close()"><!-- --></A><H3>
close</H3>
<PRE>
public void <B>close</B>()</PRE>
<DL>
<DD>Closes the store to future operations.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/lucene/store/Directory.html#close()">close</A></CODE> in class <CODE><A HREF="../../../../org/apache/lucene/store/Directory.html" title="class in org.apache.lucene.store">Directory</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getFile()"><!-- --></A><H3>
getFile</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/File.html" title="class or interface in java.io">File</A> <B>getFile</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>toString</B>()</PRE>
<DL>
<DD>For debug output.
<P>
<DD><DL>
</DL>
</DD>
</DL>
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