//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private boolean luceneDirectoryExists(java.io.File folder) throws java.io.IOException
private bool LuceneDirectoryExists(File folder)
{
using (Directory directory = IndexStorage.openDirectory(folder))
{
return(DirectoryReader.indexExists(directory));
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private static boolean hasCommits(org.apache.lucene.store.Directory directory) throws java.io.IOException
private static bool HasCommits(Directory directory)
{
return(DirectoryReader.indexExists(directory) && SegmentInfos.readLatestCommit(directory) != null);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @SuppressWarnings("deprecation") public static void main(String[] args) throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
public static void Main(string[] args)
{
if (args.Length < 5)
{
Console.Error.WriteLine("Usage: MultiPassIndexSplitter -out <outputDir> -num <numParts> [-seq] <inputIndex1> [<inputIndex2 ...]");
Console.Error.WriteLine("\tinputIndex\tpath to input index, multiple values are ok");
Console.Error.WriteLine("\t-out ouputDir\tpath to output directory to contain partial indexes");
Console.Error.WriteLine("\t-num numParts\tnumber of parts to produce");
Console.Error.WriteLine("\t-seq\tsequential docid-range split (default is round-robin)");
Environment.Exit(-1);
}
List <IndexReader> indexes = new List <IndexReader>();
string outDir = null;
int numParts = -1;
bool seq = false;
for (int i = 0; i < args.Length; i++)
{
if (args[i].Equals("-out"))
{
outDir = args[++i];
}
else if (args[i].Equals("-num"))
{
numParts = Convert.ToInt32(args[++i]);
}
else if (args[i].Equals("-seq"))
{
seq = true;
}
else
{
File file = new File(args[i]);
if (!file.exists() || !file.Directory)
{
Console.Error.WriteLine("Invalid input path - skipping: " + file);
continue;
}
Directory dir = FSDirectory.open(new File(args[i]));
try
{
if (!DirectoryReader.indexExists(dir))
{
Console.Error.WriteLine("Invalid input index - skipping: " + file);
continue;
}
}
catch (Exception)
{
Console.Error.WriteLine("Invalid input index - skipping: " + file);
continue;
}
indexes.Add(DirectoryReader.open(dir));
}
}
if (outDir == null)
{
throw new Exception("Required argument missing: -out outputDir");
}
if (numParts < 2)
{
throw new Exception("Invalid value of required argument: -num numParts");
}
if (indexes.Count == 0)
{
throw new Exception("No input indexes to process");
}
File @out = new File(outDir);
if ([email protected]())
{
throw new Exception("Can't create output directory: " + @out);
}
Directory[] dirs = new Directory[numParts];
for (int i = 0; i < numParts; i++)
{
dirs[i] = FSDirectory.open(new File(@out, "part-" + i));
}
MultiPassIndexSplitter splitter = new MultiPassIndexSplitter();
IndexReader input;
if (indexes.Count == 1)
{
input = indexes[0];
}
else
{
input = new MultiReader(indexes.ToArray());
}
splitter.Split(Version.LUCENE_CURRENT, input, dirs, seq);
}
