pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.4.0 / lucene / contrib / grouping / src / java / org / apache / lucene / search / grouping / TermFirstPassGroupingCollector.java

diff --git a/lucene-java-3.4.0/lucene/contrib/grouping/src/java/org/apache/lucene/search/grouping/TermFirstPassGroupingCollector.java b/lucene-java-3.4.0/lucene/contrib/grouping/src/java/org/apache/lucene/search/grouping/TermFirstPassGroupingCollector.java
deleted file mode 100644 (file)
index efde4bb..0000000
--- a/lucene-java-3.4.0/lucene/contrib/grouping/src/java/org/apache/lucene/search/grouping/TermFirstPassGroupingCollector.java
+++ /dev/null
@@ -1,76 +0,0 @@
-package org.apache.lucene.search.grouping;
-
-/**
- * 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.
- */
-
-import java.io.IOException;
-
-import org.apache.lucene.index.IndexReader;
-import org.apache.lucene.search.FieldCache;
-import org.apache.lucene.search.Sort;
-
-/**
- * Concrete implementation of {@link AbstractFirstPassGroupingCollector} that groups based on
- * field values and more specifically uses {@link org.apache.lucene.search.FieldCache.StringIndex}
- * to collect groups.
- *
- * @lucene.experimental
- */
-public class TermFirstPassGroupingCollector extends AbstractFirstPassGroupingCollector<String> {
-
-  private FieldCache.StringIndex index;
-
-  private String groupField;
-
-  /**
-   * Create the first pass collector.
-   *
-   *  @param groupField The field used to group
-   *    documents. This field must be single-valued and
-   *    indexed (FieldCache is used to access its value
-   *    per-document).
-   *  @param groupSort The {@link Sort} used to sort the
-   *    groups.  The top sorted document within each group
-   *    according to groupSort, determines how that group
-   *    sorts against other groups.  This must be non-null,
-   *    ie, if you want to groupSort by relevance use
-   *    Sort.RELEVANCE.
-   *  @param topNGroups How many top groups to keep.
-   *  @throws IOException When I/O related errors occur
-   */
-  public TermFirstPassGroupingCollector(String groupField, Sort groupSort, int topNGroups) throws IOException {
-    super(groupSort, topNGroups);
-    this.groupField = groupField;
-  }
-
-  @Override
-  protected String getDocGroupValue(int doc) {
-    final int ord = index.order[doc];
-    return ord == 0 ? null : index.lookup[ord];
-  }
-
-  @Override
-  protected String copyDocGroupValue(String groupValue, String reuse) {
-    return groupValue;
-  }
-
-  @Override
-  public void setNextReader(IndexReader reader, int docBase) throws IOException {
-    super.setNextReader(reader, docBase);
-    index = FieldCache.DEFAULT.getStringIndex(reader, groupField);
-  }
-}