Span.java

package org.apache.lucene.search.spans;


/**
 * Copyright 2005 The Apache Software Foundation
 *
 * Licensed 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.
 */

/**
 * Data holder to keep track of a single matching span.
 */
public class Span implements Cloneable 
{
  /** Score of the span */
  public float score;

  /** Rank - zero for top hit, 1 for next, etc. */
  public int rank;

  /** Word position of the span start */
  public int start;

  /** Word position of the span end */
  public int end;

  /** Make an exact copy of this Span */
  public Object clone() 
  {
    try {
      return super.clone();
    }
    catch (CloneNotSupportedException e) {
      return new RuntimeException(e);
    }
  }
}