public override void SetLockFactory(LockFactory lockFactory)
{
base.SetLockFactory(lockFactory);
// for filesystem based LockFactory, delete the lockPrefix, if the locks are placed
// in index dir. If no index dir is given, set ourselves
if (lockFactory is FSLockFactory)
{
FSLockFactory lf = (FSLockFactory)lockFactory;
DirectoryInfo dir = lf.LockDir;
// if the lock factory has no lockDir set, use the this directory as lockDir
if (dir == null)
{
lf.SetLockDir(m_directory);
lf.LockPrefix = null;
}
else if (dir.FullName.Equals(m_directory.FullName, StringComparison.Ordinal))
{
lf.LockPrefix = null;
}
}
}
/// <summary>Create a new FSDirectory for the named location (ctor for subclasses).</summary>
/// <param name="path">the path of the directory
/// </param>
/// <param name="lockFactory">the lock factory to use, or null for the default
/// (<see cref="NativeFSLockFactory" />);
/// </param>
/// <throws> IOException </throws>
protected internal FSDirectory(System.IO.DirectoryInfo path, LockFactory lockFactory)
{
// new ctors use always NativeFSLockFactory as default:
if (lockFactory == null)
{
lockFactory = new NativeFSLockFactory();
}
// Set up lockFactory with cascaded defaults: if an instance was passed in,
// use that; else if locks are disabled, use NoLockFactory; else if the
// system property Lucene.Net.Store.FSDirectoryLockFactoryClass is set,
// instantiate that; else, use SimpleFSLockFactory:
internalDirectory = path;
// due to differences in how Java & .NET refer to files, the checks are a bit different
if (!internalDirectory.Exists && System.IO.File.Exists(internalDirectory.FullName))
{
throw new NoSuchDirectoryException("file '" + internalDirectory.FullName + "' exists but is not a directory");
}
SetLockFactory(lockFactory);
// for filesystem based LockFactory, delete the lockPrefix, if the locks are placed
// in index dir. If no index dir is given, set ourselves
if (lockFactory is FSLockFactory)
{
FSLockFactory lf = (FSLockFactory)lockFactory;
System.IO.DirectoryInfo dir = lf.LockDir;
// if the lock factory has no lockDir set, use the this directory as lockDir
if (dir == null)
{
lf.LockDir = this.internalDirectory;
lf.LockPrefix = null;
}
else if (dir.FullName.Equals(this.internalDirectory.FullName))
{
lf.LockPrefix = null;
}
}
}
/* will move to ctor, when reflection is removed in 3.0 */
private void Init(System.IO.DirectoryInfo path, LockFactory lockFactory)
{
// Set up lockFactory with cascaded defaults: if an instance was passed in,
// use that; else if locks are disabled, use NoLockFactory; else if the
// system property Lucene.Net.Store.FSDirectoryLockFactoryClass is set,
// instantiate that; else, use SimpleFSLockFactory:
directory = path;
// due to differences in how Java & .NET refer to files, the checks are a bit different
if (!directory.Exists && System.IO.File.Exists(directory.FullName))
{
throw new NoSuchDirectoryException("file '" + directory.FullName + "' exists but is not a directory");
}
if (lockFactory == null)
{
if (disableLocks)
{
// Locks are disabled:
lockFactory = NoLockFactory.GetNoLockFactory();
}
else
{
System.String lockClassName = SupportClass.AppSettings.Get("Lucene.Net.Store.FSDirectoryLockFactoryClass", "");
if (lockClassName != null && !lockClassName.Equals(""))
{
System.Type c;
try
{
c = System.Type.GetType(lockClassName);
}
catch (System.Exception e)
{
throw new System.IO.IOException("unable to find LockClass " + lockClassName);
}
try
{
lockFactory = (LockFactory)System.Activator.CreateInstance(c, true);
}
catch (System.UnauthorizedAccessException e)
{
throw new System.IO.IOException("IllegalAccessException when instantiating LockClass " + lockClassName);
}
catch (System.InvalidCastException e)
{
throw new System.IO.IOException("unable to cast LockClass " + lockClassName + " instance to a LockFactory");
}
catch (System.Exception e)
{
throw new System.IO.IOException("InstantiationException when instantiating LockClass " + lockClassName);
}
}
else
{
// Our default lock is SimpleFSLockFactory;
// default lockDir is our index directory:
lockFactory = new SimpleFSLockFactory();
}
}
}
SetLockFactory(lockFactory);
// for filesystem based LockFactory, delete the lockPrefix, if the locks are placed
// in index dir. If no index dir is given, set ourselves
if (lockFactory is FSLockFactory)
{
FSLockFactory lf = (FSLockFactory)lockFactory;
System.IO.DirectoryInfo dir = lf.GetLockDir();
// if the lock factory has no lockDir set, use the this directory as lockDir
if (dir == null)
{
lf.SetLockDir(this.directory);
lf.SetLockPrefix(null);
}
else if (dir.FullName.Equals(this.directory.FullName))
{
lf.SetLockPrefix(null);
}
}
}
