+++ /dev/null
-package org.apache.lucene.search.highlight;
-
-
-/**
- * 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.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-
-
-/**
- * Lightweight class to hold term, weight, and positions used for scoring this
- * term.
- */
-public class WeightedSpanTerm extends WeightedTerm{
- boolean positionSensitive;
- private List<PositionSpan> positionSpans = new ArrayList<PositionSpan>();
-
- /**
- * @param weight
- * @param term
- */
- public WeightedSpanTerm(float weight, String term) {
- super(weight, term);
- this.positionSpans = new ArrayList<PositionSpan>();
- }
-
- /**
- * @param weight
- * @param term
- * @param positionSensitive
- */
- public WeightedSpanTerm(float weight, String term, boolean positionSensitive) {
- super(weight, term);
- this.positionSensitive = positionSensitive;
- }
-
- /**
- * Checks to see if this term is valid at <code>position</code>.
- *
- * @param position
- * to check against valid term positions
- * @return true iff this term is a hit at this position
- */
- public boolean checkPosition(int position) {
- // There would probably be a slight speed improvement if PositionSpans
- // where kept in some sort of priority queue - that way this method
- // could
- // bail early without checking each PositionSpan.
- Iterator<PositionSpan> positionSpanIt = positionSpans.iterator();
-
- while (positionSpanIt.hasNext()) {
- PositionSpan posSpan = positionSpanIt.next();
-
- if (((position >= posSpan.start) && (position <= posSpan.end))) {
- return true;
- }
- }
-
- return false;
- }
-
- public void addPositionSpans(List<PositionSpan> positionSpans) {
- this.positionSpans.addAll(positionSpans);
- }
-
- public boolean isPositionSensitive() {
- return positionSensitive;
- }
-
- public void setPositionSensitive(boolean positionSensitive) {
- this.positionSensitive = positionSensitive;
- }
-
- public List<PositionSpan> getPositionSpans() {
- return positionSpans;
- }
-}
-
-
-// Utility class to store a Span
-class PositionSpan {
- int start;
- int end;
-
- public PositionSpan(int start, int end) {
- this.start = start;
- this.end = end;
- }
-}