Package org.apache.lucene.queryParser.standard.builders

Source Code of org.apache.lucene.queryParser.standard.builders.FuzzyQueryNodeBuilder

package org.apache.lucene.queryParser.standard.builders;

/**
* 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.index.Term;
import org.apache.lucene.queryParser.core.QueryNodeException;
import org.apache.lucene.queryParser.core.nodes.FuzzyQueryNode;
import org.apache.lucene.queryParser.core.nodes.QueryNode;
import org.apache.lucene.search.FuzzyQuery;

/**
* Builds a {@link FuzzyQuery} object from a {@link FuzzyQueryNode} object.
*/
public class FuzzyQueryNodeBuilder implements StandardQueryBuilder {

  public FuzzyQueryNodeBuilder() {
    // empty constructor
  }

  public FuzzyQuery build(QueryNode queryNode) throws QueryNodeException {
    FuzzyQueryNode fuzzyNode = (FuzzyQueryNode) queryNode;

    return new FuzzyQuery(new Term(fuzzyNode.getFieldAsString(), fuzzyNode
        .getTextAsString()), fuzzyNode.getSimilarity(), fuzzyNode
        .getPrefixLength());

  }

}
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