/*
* 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.model.observable;
//~--- JDK imports ------------------------------------------------------------
import java.util.UUID;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
//~--- non-JDK imports --------------------------------------------------------
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.glassfish.hk2.runlevel.RunLevel;
import org.jvnet.hk2.annotations.Service;
import sh.isaac.api.Get;
import sh.isaac.api.chronicle.ObjectChronologyType;
import sh.isaac.api.collections.jsr166y.ConcurrentReferenceHashMap;
import sh.isaac.api.commit.ChronologyChangeListener;
import sh.isaac.api.commit.CommitRecord;
import sh.isaac.api.component.concept.ConceptChronology;
import sh.isaac.api.component.sememe.SememeChronology;
import sh.isaac.api.component.sememe.version.SememeVersion;
import sh.isaac.api.identity.StampedVersion;
import sh.isaac.api.observable.ObservableChronologyService;
import sh.isaac.api.observable.concept.ObservableConceptChronology;
import sh.isaac.api.observable.sememe.ObservableSememeChronology;
//~--- classes ----------------------------------------------------------------
/**
* The Class ObservableChronologyProvider.
*
* @author kec
*/
@Service
@RunLevel(value = 1)
public class ObservableChronologyProvider
implements ObservableChronologyService, ChronologyChangeListener {
/** The Constant log. */
private static final Logger log = LogManager.getLogger();
//~--- fields --------------------------------------------------------------
/** The listener uuid. */
private final UUID listenerUuid = UUID.randomUUID();
/** The observable concept map. */
ConcurrentReferenceHashMap<Integer, ObservableConceptChronology<?>> observableConceptMap =
new ConcurrentReferenceHashMap<>(ConcurrentReferenceHashMap.ReferenceType.STRONG,
ConcurrentReferenceHashMap.ReferenceType.WEAK);
/** The observable sememe map. */
ConcurrentReferenceHashMap<Integer, ObservableSememeChronology<?>> observableSememeMap =
new ConcurrentReferenceHashMap<>(ConcurrentReferenceHashMap.ReferenceType.STRONG,
ConcurrentReferenceHashMap.ReferenceType.WEAK);
//~--- constructors --------------------------------------------------------
/**
* Instantiates a new observable chronology provider.
*/
private ObservableChronologyProvider() {
// for HK2
log.info("ObservableChronologyProvider constructed");
}
//~--- methods -------------------------------------------------------------
/**
* Handle change.
*
* @param cc the cc
*/
@Override
public void handleChange(ConceptChronology<? extends StampedVersion> cc) {
final ObservableConceptChronology<?> occ = this.observableConceptMap.get(cc.getNid());
if (occ != null) {
occ.handleChange(cc);
}
}
/**
* Handle change.
*
* @param sc the sc
*/
@Override
public void handleChange(SememeChronology<? extends SememeVersion<?>> sc) {
final ObservableSememeChronology<?> osc = this.observableSememeMap.get(sc.getNid());
if (osc != null) {
osc.handleChange(sc);
}
final ObservableConceptChronology<?> assemblageOcc = this.observableConceptMap.get(sc.getAssemblageSequence());
if (assemblageOcc != null) {
assemblageOcc.handleChange(sc);
}
// handle referenced component
// Concept, description, or sememe
final ObjectChronologyType oct = Get.identifierService()
.getChronologyTypeForNid(sc.getReferencedComponentNid());
ChronologyChangeListener referencedComponent = null;
switch (oct) {
case CONCEPT:
referencedComponent = this.observableConceptMap.get(sc.getReferencedComponentNid());
break;
case SEMEME:
referencedComponent = this.observableSememeMap.get(sc.getReferencedComponentNid());
break;
default:
throw new UnsupportedOperationException("Can't handle: " + oct);
}
if (referencedComponent != null) {
referencedComponent.handleChange(sc);
}
}
/**
* Handle commit.
*
* @param commitRecord the commit record
*/
@Override
public void handleCommit(CommitRecord commitRecord) {
// TODO implement handle commit...
}
/**
* Start me.
*/
@PostConstruct
private void startMe() {
log.info("Starting ObservableChronologyProvider post-construct");
}
/**
* Stop me.
*/
@PreDestroy
private void stopMe() {
log.info("Stopping ObservableChronologyProvider");
}
//~--- get methods ---------------------------------------------------------
/**
* Gets the listener uuid.
*
* @return the listener uuid
*/
@Override
public UUID getListenerUuid() {
return this.listenerUuid;
}
/**
* Gets the observable concept chronology.
*
* @param id the id
* @return the observable concept chronology
*/
@Override
public ObservableConceptChronology<?> getObservableConceptChronology(int id) {
if (id >= 0) {
id = Get.identifierService()
.getConceptNid(id);
}
final ObservableConceptChronology<?> occ = this.observableConceptMap.get(id);
if (occ != null) {
return occ;
}
throw new UnsupportedOperationException("Not supported yet.");
}
/**
* Gets the observable sememe chronology.
*
* @param id the id
* @return the observable sememe chronology
*/
@Override
public ObservableSememeChronology<?> getObservableSememeChronology(int id) {
if (id >= 0) {
id = Get.identifierService()
.getConceptNid(id);
}
final ObservableSememeChronology<?> osc = this.observableSememeMap.get(id);
if (osc != null) {
return osc;
}
throw new UnsupportedOperationException("Not supported yet.");
}
}