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Diffstat (limited to 'src/core/Index/TermVectorEntryFreqSortedComparator.cs')
-rw-r--r-- | src/core/Index/TermVectorEntryFreqSortedComparator.cs | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/core/Index/TermVectorEntryFreqSortedComparator.cs b/src/core/Index/TermVectorEntryFreqSortedComparator.cs new file mode 100644 index 0000000..e5de075 --- /dev/null +++ b/src/core/Index/TermVectorEntryFreqSortedComparator.cs @@ -0,0 +1,45 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +using System; + +namespace Lucene.Net.Index +{ + + /// <summary> Compares <see cref="Lucene.Net.Index.TermVectorEntry" />s first by frequency and then by + /// the term (case-sensitive) + /// + /// + /// </summary> + public class TermVectorEntryFreqSortedComparator : System.Collections.Generic.IComparer<TermVectorEntry> + { + public virtual int Compare(TermVectorEntry entry, TermVectorEntry entry1) + { + int result = 0; + result = entry1.Frequency - entry.Frequency; + if (result == 0) + { + result = String.CompareOrdinal(entry.Term, entry1.Term); + if (result == 0) + { + result = String.CompareOrdinal(entry.Field, entry1.Field); + } + } + return result; + } + } +}
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