/// <summary>
/// Create a new <seealso cref="EarlyTerminatingSortingCollector"/> instance.
/// </summary>
/// <param name="in">
/// the collector to wrap </param>
/// <param name="sort">
/// the sort you are sorting the search results on </param>
/// <param name="numDocsToCollect">
/// the number of documents to collect on each segment. When wrapping
/// a <seealso cref="TopDocsCollector"/>, this number should be the number of
/// hits. </param>
public EarlyTerminatingSortingCollector(Collector @in, Sort sort, int numDocsToCollect)
{
if (numDocsToCollect <= 0)
{
throw new IllegalStateException("numDocsToCollect must always be > 0, got " + segmentTotalCollect);
}
this.@in = @in;
this.sort = sort;
this.numDocsToCollect = numDocsToCollect;
}
/// <summary>
/// Return a sorted view of <code>reader</code> according to the order
/// defined by <code>sort</code>. If the reader is already sorted, this
/// method might return the reader as-is.
/// </summary>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public static org.apache.lucene.index.AtomicReader wrap(org.apache.lucene.index.AtomicReader reader, org.apache.lucene.search.Sort sort) throws java.io.IOException
public static AtomicReader wrap(AtomicReader reader, Sort sort)
{
return wrap(reader, (new Sorter(sort)).sort(reader));
}
/// <summary>
/// Returns {@code true} if the given {@code reader} is sorted by the specified {@code sort}. </summary>
public static bool isSorted(AtomicReader reader, Sort sort)
{
if (reader is SegmentReader)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.apache.lucene.index.SegmentReader segReader = (org.apache.lucene.index.SegmentReader) reader;
SegmentReader segReader = (SegmentReader) reader;
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.Map<String, String> diagnostics = segReader.getSegmentInfo().info.getDiagnostics();
IDictionary<string, string> diagnostics = segReader.SegmentInfo.info.Diagnostics;
if (diagnostics != null && sort.ToString().Equals(diagnostics[SORTER_ID_PROP]))
{
return true;
}
}
return false;
}
/// <summary>
/// Create a new {@code MergePolicy} that sorts documents with the given {@code sort}. </summary>
public SortingMergePolicy(MergePolicy @in, Sort sort)
{
this.@in = @in;
this.sorter = new Sorter(sort);
this.sort = sort;
}
/// <summary>
/// Create a new <seealso cref="EarlyTerminatingSortingCollector"/> instance.
/// </summary>
/// <param name="in">
/// the collector to wrap </param>
/// <param name="sort">
/// the sort you are sorting the search results on </param>
/// <param name="numDocsToCollect">
/// the number of documents to collect on each segment. When wrapping
/// a <seealso cref="TopDocsCollector"/>, this number should be the number of
/// hits. </param>
public EarlyTerminatingSortingCollector(Collector @in, Sort sort, int numDocsToCollect)
{
if (numDocsToCollect <= 0)
{
throw new IllegalStateException("numDocsToCollect must always be > 0, got " + segmentTotalCollect);
}
this.@in = @in;
this.sort = sort;
this.numDocsToCollect = numDocsToCollect;
}
