/*
* 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 ยง105). 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.clauses;
//~--- JDK imports ------------------------------------------------------------
import java.util.EnumSet;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
//~--- non-JDK imports --------------------------------------------------------
import sh.isaac.api.collections.NidSet;
import sh.isaac.api.component.concept.ConceptVersion;
import sh.isaac.provider.query.ClauseComputeType;
import sh.isaac.provider.query.ClauseSemantic;
import sh.isaac.provider.query.LeafClause;
import sh.isaac.provider.query.Query;
import sh.isaac.provider.query.WhereClause;
//~--- classes ----------------------------------------------------------------
/**
* Computes the components that have been modified since the version specified
* by the <code>ViewCoordinate</code>. Currently only retrieves descriptions
* that were modified since the specified <code>ViewCoordinate</code>.
*
* @author dylangrald
*/
@XmlRootElement
@XmlAccessorType(value = XmlAccessType.NONE)
public class ChangedFromPreviousVersion
extends LeafClause {
/**
* Cached set of incoming components. Used to optimize speed in
* getQueryMatches method.
*/
NidSet cache = new NidSet();
/**
* The <code>ViewCoordinate</code> used to specify the previous version.
*/
@XmlElement
String previousViewCoordinateKey;
//~--- constructors --------------------------------------------------------
/**
* Instantiates a new changed from previous version.
*/
protected ChangedFromPreviousVersion() {}
/**
* Creates an instance of a ChangedFromPreviousVersion <code>Clause</code>
* from the enclosing query and key used in let declarations for a previous
* <code>ViewCoordinate</code>.
*
* @param enclosingQuery the enclosing query
* @param previousViewCoordinateKey the previous view coordinate key
*/
public ChangedFromPreviousVersion(Query enclosingQuery, String previousViewCoordinateKey) {
super(enclosingQuery);
this.previousViewCoordinateKey = previousViewCoordinateKey;
}
//~--- methods -------------------------------------------------------------
/**
* Compute possible components.
*
* @param incomingPossibleComponents the incoming possible components
* @return the nid set
*/
@Override
public NidSet computePossibleComponents(NidSet incomingPossibleComponents) {
// System.out.println(incomingPossibleComponents.size());
this.cache = incomingPossibleComponents;
return incomingPossibleComponents;
}
//~--- get methods ---------------------------------------------------------
/**
* Gets the compute phases.
*
* @return the compute phases
*/
@Override
public EnumSet<ClauseComputeType> getComputePhases() {
return ITERATION;
}
/**
* Gets the query matches.
*
* @param conceptVersion the concept version
* @return the query matches
*/
@Override
public void getQueryMatches(ConceptVersion conceptVersion) {
this.enclosingQuery.getLetDeclarations()
.get(this.previousViewCoordinateKey);
throw new UnsupportedOperationException();
// TODO FIX BACK UP
// for (DescriptionVersionBI desc : conceptVersion.getDescriptionsActive()) {
// if (desc.getVersion(previousViewCoordinate) != null) {
// if (!desc.getVersion(previousViewCoordinate).equals(desc.getVersion(ViewCoordinates.getDevelopmentInferredLatestActiveOnly()))) {
// getResultsCache().add(desc.getConceptNid());
// }
// }
// }
}
/**
* Gets the where clause.
*
* @return the where clause
*/
@Override
public WhereClause getWhereClause() {
final WhereClause whereClause = new WhereClause();
whereClause.setSemantic(ClauseSemantic.CHANGED_FROM_PREVIOUS_VERSION);
whereClause.getLetKeys()
.add(this.previousViewCoordinateKey);
return whereClause;
}
}