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Lucene example source code file (GroupDocs.java)

This example Lucene source code file (GroupDocs.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Lucene tags/keywords

group_value_type, group_value_type, groupdocs, groupdocs, object, object, scoredoc, scoredoc

The Lucene GroupDocs.java source code

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 org.apache.lucene.search.ScoreDoc;

/** Represents one group in the results.
 * 
 * @lucene.experimental */
public class GroupDocs<GROUP_VALUE_TYPE> {
  /** The groupField value for all docs in this group; this
   *  may be null if hits did not have the groupField. */
  public final GROUP_VALUE_TYPE groupValue;

  /** Max score in this group */
  public final float maxScore;

  /** Hits; this may be {@link
   * org.apache.lucene.search.FieldDoc} instances if the
   * withinGroupSort sorted by fields. */
  public final ScoreDoc[] scoreDocs;

  /** Total hits within this group */
  public final int totalHits;

  /** Matches the groupSort passed to {@link
   *  AbstractFirstPassGroupingCollector}. */
  public final Object[] groupSortValues;

  public GroupDocs(float maxScore,
                   int totalHits,
                   ScoreDoc[] scoreDocs,
                   GROUP_VALUE_TYPE groupValue,
                   Object[] groupSortValues) {
    this.maxScore = maxScore;
    this.totalHits = totalHits;
    this.scoreDocs = scoreDocs;
    this.groupValue = groupValue;
    this.groupSortValues = groupSortValues;
  }
}

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