/**
* 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.json.builders;
import org.apache.lucene.queryparser.flexible.core.QueryNodeException;
import org.apache.lucene.queryparser.flexible.core.builders.QueryTreeBuilder;
import org.apache.lucene.queryparser.flexible.core.nodes.ModifierQueryNode;
import org.apache.lucene.queryparser.flexible.core.nodes.QueryNode;
import org.apache.lucene.queryparser.flexible.standard.builders.ModifierQueryNodeBuilder;
import org.apache.lucene.search.Query;
import org.sindice.siren.qparser.json.nodes.BooleanQueryNode;
import org.sindice.siren.qparser.json.nodes.ChildQueryNode;
import org.sindice.siren.qparser.json.nodes.DescendantQueryNode;
import org.sindice.siren.qparser.json.nodes.NodeQueryNode;
import org.sindice.siren.qparser.json.nodes.TopLevelQueryNode;
import org.sindice.siren.qparser.json.nodes.TwigQueryNode;
import org.sindice.siren.qparser.json.processors.JsonQueryNodeProcessorPipeline;
import org.sindice.siren.qparser.keyword.KeywordQueryParser;
/**
* This query tree builder defines the necessary map to build a
* {@link Query} tree object.
*
* <p>
*
* It should be used to generate a {@link Query} tree
* object from a query node tree processed by a
* {@link JsonQueryNodeProcessorPipeline}.
*
* @see QueryTreeBuilder
* @see JsonQueryNodeProcessorPipeline
*/
public class JsonQueryTreeBuilder extends QueryTreeBuilder
implements JsonQueryBuilder {
public JsonQueryTreeBuilder(final KeywordQueryParser keywordParser) {
this.setBuilders(keywordParser);
}
@Override
public Query build(final QueryNode queryNode) throws QueryNodeException {
return (Query) super.build(queryNode);
}
public void setBuilders(final KeywordQueryParser keywordParser) {
this.setBuilder(TopLevelQueryNode.class, new TopLevelQueryNodeBuilder());
this.setBuilder(NodeQueryNode.class, new NodeQueryNodeBuilder(keywordParser));
this.setBuilder(ModifierQueryNode.class, new ModifierQueryNodeBuilder());
this.setBuilder(DescendantQueryNode.class, new ModifierQueryNodeBuilder());
this.setBuilder(ChildQueryNode.class, new ModifierQueryNodeBuilder());
this.setBuilder(BooleanQueryNode.class, new BooleanQueryNodeBuilder());
this.setBuilder(TwigQueryNode.class, new TwigQueryNodeBuilder(keywordParser));
}
}