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un-deprecate lastModified() and getCurrentVersion() 

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@188856 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Daniel Naber 2005-06-07 20:21:26 +00:00
parent 4fd3b6899d
commit af42440fc0
1 changed files with 19 additions and 37 deletions
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54
src/java/org/apache/lucene/index/IndexReader.java
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@ -175,70 +175,52 @@ public abstract class IndexReader {
/**
* Returns the time the index in the named directory was last modified.
*
* <p>Synchronization of IndexReader and IndexWriter instances is
* no longer done via time stamps of the segments file since the time resolution
* depends on the hardware platform. Instead, a version number is maintained
* within the segments file, which is incremented everytime when the index is
* changed.</p>
*
* @deprecated Replaced by {@link #getCurrentVersion(String)}
* */
* Do not use this to check whether the reader is still up-to-date, use
* {@link #isCurrent()} instead.
*/
public static long lastModified(String directory) throws IOException {
return lastModified(new File(directory));
}
/**
* Returns the time the index in the named directory was last modified.
*
* <p>Synchronization of IndexReader and IndexWriter instances is
* no longer done via time stamps of the segments file since the time resolution
* depends on the hardware platform. Instead, a version number is maintained
* within the segments file, which is incremented everytime when the index is
* changed.</p>
*
* @deprecated Replaced by {@link #getCurrentVersion(File)}
* */
* Do not use this to check whether the reader is still up-to-date, use
* {@link #isCurrent()} instead.
*/
public static long lastModified(File directory) throws IOException {
return FSDirectory.fileModified(directory, Constants.INDEX_SEGMENTS_FILENAME);
}
/**
* Returns the time the index in the named directory was last modified.
*
* <p>Synchronization of IndexReader and IndexWriter instances is
* no longer done via time stamps of the segments file since the time resolution
* depends on the hardware platform. Instead, a version number is maintained
* within the segments file, which is incremented everytime when the index is
* changed.</p>
*
* @deprecated Replaced by {@link #getCurrentVersion(Directory)}
* */
* Do not use this to check whether the reader is still up-to-date, use
* {@link #isCurrent()} instead.
*/
public static long lastModified(Directory directory) throws IOException {
return directory.fileModified(Constants.INDEX_SEGMENTS_FILENAME);
}
/**
* Reads version number from segments files. The version number counts the
* number of changes of the index.
* Reads version number from segments files. The version number is
* initialized with a timestamp and then increased by one for each change of
* the index.
*
* @param directory where the index resides.
* @return version number.
* @throws IOException if segments file cannot be read
* @deprecated use {@link #isCurrent()} instead
*/
public static long getCurrentVersion(String directory) throws IOException {
return getCurrentVersion(new File(directory));
}
/**
* Reads version number from segments files. The version number counts the
* number of changes of the index.
* Reads version number from segments files. The version number is
* initialized with a timestamp and then increased by one for each change of
* the index.
*
* @param directory where the index resides.
* @return version number.
* @throws IOException if segments file cannot be read
* @deprecated use {@link #isCurrent()} instead
*/
public static long getCurrentVersion(File directory) throws IOException {
Directory dir = FSDirectory.getDirectory(directory, false);
@ -248,13 +230,13 @@ public abstract class IndexReader {
}
/**
* Reads version number from segments files. The version number counts the
* number of changes of the index.
* Reads version number from segments files. The version number is
* initialized with a timestamp and then increased by one for each change of
* the index.
*
* @param directory where the index resides.
* @return version number.
* @throws IOException if segments file cannot be read.
* @deprecated use {@link #isCurrent()} instead
*/
public static long getCurrentVersion(Directory directory) throws IOException {
return SegmentInfos.readCurrentVersion(directory);