/** * 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)); } }