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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.querytransform;
import static com.yahoo.prelude.searcher.PosSearcher.POSITION_PARSING;
import com.yahoo.component.chain.dependencies.After;
import com.yahoo.component.chain.dependencies.Before;
import com.yahoo.prelude.IndexFacts;
import com.yahoo.prelude.Location;
import com.yahoo.search.Query;
import com.yahoo.search.Searcher;
import com.yahoo.search.searchchain.Execution;
import com.yahoo.search.searchchain.PhaseNames;
import java.util.List;
/**
* If default position has not been set, it will be set here.
*
* @author baldersheim
*/
@After({PhaseNames.RAW_QUERY, POSITION_PARSING})
@Before(PhaseNames.TRANSFORMED_QUERY)
public class DefaultPositionSearcher extends Searcher {
@Override
public com.yahoo.search.Result search(Query query, Execution execution) {
Location location = query.getRanking().getLocation();
if (location != null && (location.getAttribute() == null)) {
IndexFacts facts = execution.context().getIndexFacts();
List<String> search = facts.newSession(query.getModel().getSources(), query.getModel().getRestrict()).documentTypes();
for (String sd : search) {
String defaultPosition = facts.getDefaultPosition(sd);
if (defaultPosition != null) {
location.setAttribute(defaultPosition);
}
}
if (location.getAttribute() == null) {
location.setAttribute(facts.getDefaultPosition(null));
}
}
return execution.search(query);
}
}
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