/// <summary> Open an index with write access.
///
/// </summary>
/// <param name="file">the index directory
/// </param>
/// <param name="analyzer">the analyzer to use for adding new documents
/// </param>
/// <param name="create"><code>true</code> to create the index or overwrite the existing one;
/// <code>false</code> to append to the existing index
/// </param>
/// <throws> CorruptIndexException if the index is corrupt </throws>
/// <throws> LockObtainFailedException if another writer </throws>
/// <summary> has this index open (<code>write.lock</code> could not
/// be obtained)
/// </summary>
/// <throws> IOException if there is a low-level IO error </throws>
public IndexModifier(System.IO.FileInfo file, Analyzer analyzer, bool create)
{
InitBlock();
Directory dir = FSDirectory.GetDirectory(file);
this.closeDir = true;
Init(dir, analyzer, create);
}
/// <summary> Open an index with write access.
///
/// </summary>
/// <param name="dirName">the index directory
/// </param>
/// <param name="analyzer">the analyzer to use for adding new documents
/// </param>
/// <param name="create"><code>true</code> to create the index or overwrite the existing one;
/// <code>false</code> to append to the existing index
/// </param>
/// <throws> CorruptIndexException if the index is corrupt </throws>
/// <throws> LockObtainFailedException if another writer </throws>
/// <summary> has this index open (<code>write.lock</code> could not
/// be obtained)
/// </summary>
/// <throws> IOException if there is a low-level IO error </throws>
public IndexModifier(System.String dirName, Analyzer analyzer, bool create)
{
InitBlock();
Directory dir = FSDirectory.GetDirectory(dirName);
this.closeDir = true;
Init(dir, analyzer, create);
}