Package org.sindice.siren.qparser.keyword.builders

Source Code of org.sindice.siren.qparser.keyword.builders.MatchAllDocsQueryNodeBuilder

/**
* Copyright 2014 National University of Ireland, Galway.
*
* This file is part of the SIREn project. Project and contact information:
*
*  https://github.com/rdelbru/SIREn
*
* 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.
*/
package org.sindice.siren.qparser.keyword.builders;

import org.apache.commons.lang.NotImplementedException;
import org.apache.lucene.queryparser.flexible.core.QueryNodeException;
import org.apache.lucene.queryparser.flexible.core.nodes.MatchAllDocsQueryNode;
import org.apache.lucene.queryparser.flexible.core.nodes.QueryNode;
import org.apache.lucene.search.MatchAllDocsQuery;

/**
* Builds a {@link MatchAllDocsQuery} object from a
* {@link MatchAllDocsQueryNode} object.
*/
public class MatchAllDocsQueryNodeBuilder implements KeywordQueryBuilder {

  public MatchAllDocsQueryNodeBuilder() {
    // empty constructor
  }

  public MatchAllDocsQuery build(QueryNode queryNode) throws QueryNodeException {
    throw new NotImplementedException("MatchAllDocsQueries are not supported yet");
   
//TODO: To implement when Siren will support MatchAllDocs queries
//    // validates node
//    if (!(queryNode instanceof MatchAllDocsQueryNode)) {
//      throw new QueryNodeException(new MessageImpl(
//          QueryParserMessages.LUCENE_QUERY_CONVERSION_ERROR, queryNode
//              .toQueryString(new EscapeQuerySyntaxImpl()), queryNode.getClass()
//              .getName()));
//    }
//
//    return new MatchAllDocsQuery();

  }

}
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