Exemplo n.º 1
0
		/* 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 Mono.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("Mono.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);
				}
			}
		}
Exemplo n.º 2
0
        /* 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 Mono.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("Mono.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);
                }
            }
        }