package-info.java

/**
 * 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.
 */
/**
 * Set of {@link org.apache.lucene.queryparser.flexible.core.processors.QueryNodeProcessor}
 * used to alter the {@link org.apache.lucene.queryparser.flexible.core.nodes.QueryNode}
 * tree created by the {@link org.sindice.siren.qparser.keyword.KeywordSyntaxParser}.
 * 
 * The processors are used in sequence in a pipeline {@link org.sindice.siren.qparser.keyword.processors.KeywordQueryNodeProcessorPipeline}.
 * The order of the processors are crucial for the processing, and it is the
 * following:
 * <ul>
 * <li> {@link org.sindice.siren.qparser.keyword.processors.TopLevelQueryNodeProcessor} </li>
 * <li> {@link org.sindice.siren.qparser.keyword.processors.AllowTwigProcessor} </li>
 * <li> {@link org.sindice.siren.qparser.keyword.processors.WildcardNodeQueryNodeProcessor} </li>
 * <li> {@link org.sindice.siren.qparser.keyword.processors.RootLevelTwigQueryNodeProcessor} </li>
 * <li> {@link org.sindice.siren.qparser.keyword.processors.ChangeDefaultOperatorNodeProcessor} </li>
 * <li> {@link org.sindice.siren.qparser.keyword.processors.WildcardQueryNodeProcessor} </li>
 * <li> {@link org.apache.lucene.queryparser.flexible.standard.processors.OpenRangeQueryNodeProcessor} </li>
 * <li> {@link org.sindice.siren.qparser.keyword.processors.PhraseQueryNodeProcessor} </li>
 * <li> {@link org.sindice.siren.qparser.keyword.processors.DatatypeQueryNodeProcessor} </li>
 * <li> {@link org.apache.lucene.queryparser.flexible.standard.processors.OpenRangeQueryNodeProcessor} </li>
 * <li> {@link org.sindice.siren.qparser.keyword.processors.NodeNumericQueryNodeProcessor} </li>
 * <li> {@link org.sindice.siren.qparser.keyword.processors.NodeNumericRangeQueryNodeProcessor} </li>
 * <li> {@link org.apache.lucene.queryparser.flexible.standard.processors.TermRangeQueryNodeProcessor} </li>
 * <li> {@link org.apache.lucene.queryparser.flexible.standard.processors.LowercaseExpandedTermsQueryNodeProcessor} </li>
 * <li> {@link org.sindice.siren.qparser.keyword.processors.DatatypeAnalyzerProcessor} </li>
 * <li> {@link org.apache.lucene.queryparser.flexible.standard.processors.PhraseSlopQueryNodeProcessor} </li>
 * <li> {@link org.apache.lucene.queryparser.flexible.standard.processors.DefaultPhraseSlopQueryNodeProcessor} </li>
 * <li> {@link org.sindice.siren.qparser.keyword.processors.AllowFuzzyAndWildcardProcessor} </li>
 * <li> {@link org.apache.lucene.queryparser.flexible.standard.processors.AllowLeadingWildcardProcessor} </li>
 * <li> {@link org.sindice.siren.qparser.keyword.processors.GroupQueryNodeProcessor} </li>
 * <li> {@link org.apache.lucene.queryparser.flexible.core.processors.NoChildOptimizationQueryNodeProcessor} </li>
 * <li> {@link org.apache.lucene.queryparser.flexible.core.processors.RemoveDeletedQueryNodesProcessor} </li>
 * <li> {@link org.apache.lucene.queryparser.flexible.standard.processors.RemoveEmptyNonLeafQueryNodeProcessor} </li>
 * <li> {@link org.apache.lucene.queryparser.flexible.standard.processors.BooleanSingleChildOptimizationQueryNodeProcessor} </li>
 * <li> {@link org.sindice.siren.qparser.keyword.processors.MultiNodeTermRewriteMethodProcessor} </li>
 * <li> {@link org.sindice.siren.qparser.keyword.processors.NodeBooleanQueryNodeProcessor} </li>
 * <li> {@link org.sindice.siren.qparser.keyword.processors.QNamesProcessor} </li>
 * <li> {@link org.sindice.siren.qparser.keyword.processors.NotSupportedQueryProcessor} </li>
 * </ul>
 *
 */
package org.sindice.siren.qparser.keyword.processors;