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only check and clear write locks (not commit locks)

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git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2424 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Andrew Hind
2006-02-17 11:12:36 +00:00
parent f63e898993
commit 2d1258dd7c
1 changed files with 33 additions and 6 deletions
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39
source/java/org/alfresco/repo/search/impl/lucene/LuceneBase.java
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@@ -860,6 +860,20 @@ public abstract class LuceneBase implements Lockable
getLuceneIndexLock().getReadLock(store);
}
public static boolean isWriteLocked(String directory) throws IOException
{
Directory dir = FSDirectory.getDirectory(directory, false);
boolean result = isWriteLocked(dir);
dir.close();
return result;
}
public static boolean isWriteLocked(Directory directory) throws IOException
{
return directory.makeLock(IndexWriter.WRITE_LOCK_NAME).isLocked();
}
private int writeLockCount = 0;
public void getWriteLock() throws LuceneIndexException
@@ -870,11 +884,18 @@ public abstract class LuceneBase implements Lockable
// We must have the lock
try
{
if (((writeLockCount == 1) && IndexReader.indexExists(baseDir) && (IndexReader.isLocked(baseDir.getPath()))))
if (((writeLockCount == 1) && IndexReader.indexExists(baseDir) && (LuceneBase.isWriteLocked(baseDir
.getPath()))))
{
Directory dir = FSDirectory.getDirectory(baseDir, false);
IndexReader.unlock(dir);
dir.close();
try
{
dir.makeLock(IndexWriter.WRITE_LOCK_NAME).release();
}
finally
{
dir.close();
}
s_logger.warn("Releasing unexpected lucene index write lock for " + baseDir);
StackTraceElement[] trace = Thread.currentThread().getStackTrace();
for (StackTraceElement el : trace)
@@ -902,12 +923,18 @@ public abstract class LuceneBase implements Lockable
{
try
{
if (((writeLockCount == 1) && IndexReader.indexExists(baseDir) && (IndexReader.isLocked(baseDir
if (((writeLockCount == 1) && IndexReader.indexExists(baseDir) && (LuceneBase.isWriteLocked(baseDir
.getPath()))))
{
Directory dir = FSDirectory.getDirectory(baseDir, false);
IndexReader.unlock(dir);
dir.close();
try
{
dir.makeLock(IndexWriter.WRITE_LOCK_NAME).release();
}
finally
{
dir.close();
}
}
}
catch (IOException e)