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/*
* 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.
*/
package org.apache.solr.search;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import org.apache.solr.common.params.SolrParams;
import org.apache.solr.common.util.NamedList;
import org.apache.solr.core.SolrInfoBean;
import org.apache.solr.request.SolrQueryRequest;
import org.apache.solr.search.join.BlockJoinChildQParserPlugin;
import org.apache.solr.search.join.BlockJoinParentQParserPlugin;
import org.apache.solr.search.join.FiltersQParserPlugin;
import org.apache.solr.search.join.GraphQParserPlugin;
import org.apache.solr.search.mlt.MLTQParserPlugin;
import org.apache.solr.util.plugin.NamedListInitializedPlugin;
public abstract class QParserPlugin implements NamedListInitializedPlugin, SolrInfoBean {
/** internal use - name of the default parser */
public static final String DEFAULT_QTYPE = LuceneQParserPlugin.NAME;
/**
* Internal use - name to parser for the builtin parsers.
* Each query parser plugin extending {@link QParserPlugin} has own instance of standardPlugins.
* This leads to cyclic dependencies of static fields and to case when NAME field is not yet initialized.
* This result to NPE during initialization.
* For every plugin, listed here, NAME field has to be final and static.
*/
public static final Map standardPlugins;
static {
HashMap map = new HashMap<>(30, 1);
map.put(LuceneQParserPlugin.NAME, new LuceneQParserPlugin());
map.put(FunctionQParserPlugin.NAME, new FunctionQParserPlugin());
map.put(PrefixQParserPlugin.NAME, new PrefixQParserPlugin());
map.put(BoostQParserPlugin.NAME, new BoostQParserPlugin());
map.put(DisMaxQParserPlugin.NAME, new DisMaxQParserPlugin());
map.put(ExtendedDismaxQParserPlugin.NAME, new ExtendedDismaxQParserPlugin());
map.put(FieldQParserPlugin.NAME, new FieldQParserPlugin());
map.put(RawQParserPlugin.NAME, new RawQParserPlugin());
map.put(TermQParserPlugin.NAME, new TermQParserPlugin());
map.put(TermsQParserPlugin.NAME, new TermsQParserPlugin());
map.put(NestedQParserPlugin.NAME, new NestedQParserPlugin());
map.put(FunctionRangeQParserPlugin.NAME, new FunctionRangeQParserPlugin());
map.put(SpatialFilterQParserPlugin.NAME, new SpatialFilterQParserPlugin());
map.put(SpatialBoxQParserPlugin.NAME, new SpatialBoxQParserPlugin());
map.put(JoinQParserPlugin.NAME, new JoinQParserPlugin());
map.put(SurroundQParserPlugin.NAME, new SurroundQParserPlugin());
map.put(SwitchQParserPlugin.NAME, new SwitchQParserPlugin());
map.put(MaxScoreQParserPlugin.NAME, new MaxScoreQParserPlugin());
map.put(BlockJoinParentQParserPlugin.NAME, new BlockJoinParentQParserPlugin());
map.put(BlockJoinChildQParserPlugin.NAME, new BlockJoinChildQParserPlugin());
map.put(FiltersQParserPlugin.NAME, new FiltersQParserPlugin());
map.put(CollapsingQParserPlugin.NAME, new CollapsingQParserPlugin());
map.put(SimpleQParserPlugin.NAME, new SimpleQParserPlugin());
map.put(ComplexPhraseQParserPlugin.NAME, new ComplexPhraseQParserPlugin());
map.put(ReRankQParserPlugin.NAME, new ReRankQParserPlugin());
map.put(ExportQParserPlugin.NAME, new ExportQParserPlugin());
map.put(MLTQParserPlugin.NAME, new MLTQParserPlugin());
map.put(HashQParserPlugin.NAME, new HashQParserPlugin());
map.put(GraphQParserPlugin.NAME, new GraphQParserPlugin());
map.put(XmlQParserPlugin.NAME, new XmlQParserPlugin());
map.put(GraphTermsQParserPlugin.NAME, new GraphTermsQParserPlugin());
map.put(IGainTermsQParserPlugin.NAME, new IGainTermsQParserPlugin());
map.put(TextLogisticRegressionQParserPlugin.NAME, new TextLogisticRegressionQParserPlugin());
map.put(SignificantTermsQParserPlugin.NAME, new SignificantTermsQParserPlugin());
map.put(PayloadScoreQParserPlugin.NAME, new PayloadScoreQParserPlugin());
map.put(PayloadCheckQParserPlugin.NAME, new PayloadCheckQParserPlugin());
map.put(BoolQParserPlugin.NAME, new BoolQParserPlugin());
map.put(MinHashQParserPlugin.NAME, new MinHashQParserPlugin());
standardPlugins = Collections.unmodifiableMap(map);
}
/** return a {@link QParser} */
public abstract QParser createParser(String qstr, SolrParams localParams, SolrParams params, SolrQueryRequest req);
@Override
public void init( NamedList args ) {
}
@Override
public String getName() {
// TODO: ideally use the NAME property that each qparser plugin has
return this.getClass().getName();
}
@Override
public String getDescription() {
return ""; // UI required non-null to work
}
@Override
public Category getCategory() {
return Category.QUERYPARSER;
}
@Override
public Set getMetricNames() {
return null;
}
}
