pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.4.0 / lucene / contrib / analyzers / smartcn / src / java / org / apache / lucene / analysis / cn / smart / WordSegmenter.java

diff --git a/lucene-java-3.4.0/lucene/contrib/analyzers/smartcn/src/java/org/apache/lucene/analysis/cn/smart/WordSegmenter.java b/lucene-java-3.4.0/lucene/contrib/analyzers/smartcn/src/java/org/apache/lucene/analysis/cn/smart/WordSegmenter.java
deleted file mode 100644 (file)
index 7a557f7..0000000
--- a/lucene-java-3.4.0/lucene/contrib/analyzers/smartcn/src/java/org/apache/lucene/analysis/cn/smart/WordSegmenter.java
+++ /dev/null
@@ -1,89 +0,0 @@
-/**
- * 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.
- */
-
-package org.apache.lucene.analysis.cn.smart;
-
-import java.util.Collections;
-import java.util.List;
-
-import org.apache.lucene.analysis.cn.smart.hhmm.HHMMSegmenter;
-import org.apache.lucene.analysis.cn.smart.hhmm.SegToken;
-import org.apache.lucene.analysis.cn.smart.hhmm.SegTokenFilter;
-
-/**
- * Segment a sentence of Chinese text into words.
- * @lucene.experimental
- */
-class WordSegmenter {
-
-  private HHMMSegmenter hhmmSegmenter = new HHMMSegmenter();
-
-  private SegTokenFilter tokenFilter = new SegTokenFilter();
-
-  /**
-   * Segment a sentence into words with {@link HHMMSegmenter}
-   * 
-   * @param sentence input sentence
-   * @param startOffset start offset of sentence
-   * @return {@link List} of {@link SegToken}
-   */
-  public List<SegToken> segmentSentence(String sentence, int startOffset) {
-
-    List<SegToken> segTokenList = hhmmSegmenter.process(sentence);
-    // tokens from sentence, excluding WordType.SENTENCE_BEGIN and WordType.SENTENCE_END
-    List<SegToken> result = Collections.emptyList();
-    
-    if (segTokenList.size() > 2) // if its not an empty sentence
-      result = segTokenList.subList(1, segTokenList.size() - 1);
-    
-    for (SegToken st : result)
-      convertSegToken(st, sentence, startOffset);
-    
-    return result;
-  }
-
-  /**
-   * Process a {@link SegToken} so that it is ready for indexing.
-   * 
-   * This method calculates offsets and normalizes the token with {@link SegTokenFilter}.
-   * 
-   * @param st input {@link SegToken}
-   * @param sentence associated Sentence
-   * @param sentenceStartOffset offset into sentence
-   * @return Lucene {@link SegToken}
-   */
-  public SegToken convertSegToken(SegToken st, String sentence,
-      int sentenceStartOffset) {
-
-    switch (st.wordType) {
-      case WordType.STRING:
-      case WordType.NUMBER:
-      case WordType.FULLWIDTH_NUMBER:
-      case WordType.FULLWIDTH_STRING:
-        st.charArray = sentence.substring(st.startOffset, st.endOffset)
-            .toCharArray();
-        break;
-      default:
-        break;
-    }
-
-    st = tokenFilter.filter(st);
-    st.startOffset += sentenceStartOffset;
-    st.endOffset += sentenceStartOffset;
-    return st;
-  }
-}