QueryExample.java

/* 
 * 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.
 *
 * Contributions from 2013-2017 where performed either by US government 
 * employees, or under US Veterans Health Administration contracts. 
 *
 * US Veterans Health Administration contributions by government employees
 * are work of the U.S. Government and are not subject to copyright
 * protection in the United States. Portions contributed by government 
 * employees are USGovWork (17USC §105). Not subject to copyright. 
 * 
 * Contribution by contractors to the US Veterans Health Administration
 * during this period are contractually contributed under the
 * Apache License, Version 2.0.
 *
 * See: https://www.usa.gov/government-works
 * 
 * Contributions prior to 2013:
 *
 * Copyright (C) International Health Terminology Standards Development Organisation.
 * Licensed under the Apache License, Version 2.0.
 *
 */



package sh.isaac.provider.query;

//~--- JDK imports ------------------------------------------------------------

import java.io.IOException;

//~--- non-JDK imports --------------------------------------------------------

import sh.isaac.api.ConceptProxy;
import sh.isaac.api.Get;
import sh.isaac.api.collections.NidSet;
import sh.isaac.model.configuration.StampCoordinates;
import sh.isaac.model.configuration.TaxonomyCoordinates;

//~--- classes ----------------------------------------------------------------

/**
 * Demonstrates the syntax to construct and compute a
 * <code>Query</code>.
 *
 * @author kec
 */
public class QueryExample {
   /** The q. */
   Query q;

   //~--- constructors --------------------------------------------------------

   /**
    * Instantiates a new query example.
    */
   public QueryExample() {
      this.q =
         new Query(TaxonomyCoordinates.getInferredTaxonomyCoordinate(StampCoordinates.getDevelopmentLatestActiveOnly(),
               Get.configurationService().getDefaultLanguageCoordinate())) {
         @Override
         protected ForSetSpecification ForSetSpecification() {
            return new ForSetSpecification(ComponentCollectionTypes.ALL_CONCEPTS);
         }
         @Override
         public void Let() {
            let("allergic-asthma", new ConceptProxy("Allergic asthma", "531abe20-8324-3db9-9104-8bcdbf251ac7"));
            let("asthma", new ConceptProxy("Asthma (disorder)", "c265cf22-2a11-3488-b71e-296ec0317f96"));
            let("mild asthma", new ConceptProxy("Mild asthma (disorder)", "51971ecc-9a54-3584-9c36-d647ab00b47f"));
         }
         @Override
         public Clause Where() {
            return And(ConceptIsKindOf("asthma"),
                       Not(ConceptIsChildOf("allergic-asthma")),
                       ConceptIs("allergic-asthma"));

//          Union(ConceptIsKindOf("allergic-asthma"),
//          ConceptIsKindOf("mild asthma")));
         }
      };
   }

   //~--- get methods ---------------------------------------------------------

   /**
    * Gets the results.
    *
    * @return the results
    * @throws IOException Signals that an I/O exception has occurred.
    * @throws Exception the exception
    */
   public NidSet getResults()
            throws IOException, Exception {
      return this.q.compute();
   }
}