FM2-642: Improve performance of loading locations by tag (#547)

api/src/main/java/org/openmrs/module/fhir2/FhirActivator.java

@@ -27,6 +27,7 @@
 import ca.uhn.fhir.rest.server.IResourceProvider;
 import lombok.Getter;
 import lombok.extern.slf4j.Slf4j;
+import org.openmrs.api.context.Context;
 import org.openmrs.module.BaseModuleActivator;
 import org.openmrs.module.Module;
 import org.openmrs.module.ModuleException;
@@ -36,6 +37,7 @@
 import org.openmrs.module.fhir2.api.spi.ModuleLifecycleListener;
 import org.openmrs.module.fhir2.api.spi.ServiceClassLoader;
 import org.openmrs.module.fhir2.api.translators.FhirTranslator;
+import org.openmrs.module.fhir2.api.util.FhirGlobalPropertyHolder;
 import org.openmrs.module.fhir2.model.GroupMember;
 import org.springframework.beans.BeansException;
 import org.springframework.context.ApplicationContext;
@@ -53,6 +55,8 @@ public class FhirActivator extends BaseModuleActivator implements ApplicationCon
 	@Getter
 	private static ConfigurableApplicationContext applicationContext;
 
+	private static FhirGlobalPropertyHolder globalPropertyHolder = null;
+
 	private final Map<String, Set<Class<?>>> services = new HashMap<>();
 
 	private final List<ModuleLifecycleListener> lifecycleListeners = new ArrayList<>();
@@ -65,8 +69,6 @@ public void started() {
 			throw new ModuleException("Cannot load FHIR2 module as the main application context is not available");
 		}
 
-		applicationContext.getBean("fhirR4", FhirContext.class).registerCustomType(GroupMember.class);
-
 		loadModules();
 		started = true;
 		log.info("Started FHIR");
@@ -86,6 +88,13 @@ public void contextRefreshed() {
 			return;
 		}
 
+		if (globalPropertyHolder == null) {
+			globalPropertyHolder = new FhirGlobalPropertyHolder();
+			Context.getAdministrationService().addGlobalPropertyListener(globalPropertyHolder);
+		}
+
+		FhirGlobalPropertyHolder.reset();
+
 		applicationContext.getBean("fhirR4", FhirContext.class).registerCustomType(GroupMember.class);
 		loadModules();
 
@@ -95,13 +104,18 @@ public void contextRefreshed() {
 	@Override
 	public void willStop() {
 		lifecycleListeners.forEach(ModuleLifecycleListener::willStop);
-		unloadModules();
+
+		if (globalPropertyHolder != null) {
+			Context.getAdministrationService().removeGlobalPropertyListener(globalPropertyHolder);
+		}
 	}
 
 	@Override
 	public void stopped() {
 		lifecycleListeners.forEach(ModuleLifecycleListener::stopped);
+		unloadModules();
 
+		globalPropertyHolder = null;
 		started = false;
 		log.info("Shutdown FHIR");
 	}
@@ -117,7 +131,7 @@ public void removeModuleLifecycleLister(@Nonnull ModuleLifecycleListener lifecyc
 	}
 
 	@Override
-	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
+	public void setApplicationContext(@Nonnull ApplicationContext applicationContext) throws BeansException {
 		if (applicationContext instanceof ConfigurableApplicationContext) {
 			FhirActivator.applicationContext = (ConfigurableApplicationContext) applicationContext;
 		}

api/src/main/java/org/openmrs/module/fhir2/api/FhirGlobalPropertyService.java

@@ -17,7 +17,7 @@ public interface FhirGlobalPropertyService {
 
 	String getGlobalProperty(String property) throws APIException;
 
-	Integer getGlobalProperty(String property, Integer defaultValue);
+	int getGlobalPropertyAsInteger(String property, int defaultValue);
 
 	String getGlobalProperty(String property, String defaultValue);
 

api/src/main/java/org/openmrs/module/fhir2/api/impl/FhirGlobalPropertyServiceImpl.java

@@ -15,45 +15,30 @@
 import lombok.Setter;
 import org.openmrs.api.APIException;
 import org.openmrs.module.fhir2.api.FhirGlobalPropertyService;
-import org.openmrs.module.fhir2.api.dao.FhirGlobalPropertyDao;
-import org.springframework.beans.factory.annotation.Autowired;
+import org.openmrs.module.fhir2.api.util.FhirGlobalPropertyHolder;
 import org.springframework.stereotype.Component;
-import org.springframework.transaction.annotation.Transactional;
 
 @Component
-@Transactional
 @Setter(AccessLevel.PACKAGE)
 public class FhirGlobalPropertyServiceImpl implements FhirGlobalPropertyService {
 
-	@Autowired
-	private FhirGlobalPropertyDao dao;
-
 	@Override
-	@Transactional(readOnly = true)
 	public String getGlobalProperty(String property) throws APIException {
-		return dao.getGlobalProperty(property);
+		return FhirGlobalPropertyHolder.getGlobalProperty(property);
 	}
 
 	@Override
-	@Transactional(readOnly = true)
-	public Integer getGlobalProperty(String property, Integer defaultValue) {
-		try {
-			return Integer.valueOf(getGlobalProperty(property, String.valueOf(defaultValue)));
-		}
-		catch (NumberFormatException e) {
-			return defaultValue;
-		}
+	public int getGlobalPropertyAsInteger(String property, int defaultValue) {
+		return FhirGlobalPropertyHolder.getGlobalPropertyAsInteger(property, defaultValue);
 	}
 
 	@Override
-	@Transactional(readOnly = true)
 	public String getGlobalProperty(String property, String defaultValue) {
-		return this.getGlobalProperty(property) == null ? defaultValue : this.getGlobalProperty(property);
+		return FhirGlobalPropertyHolder.getGlobalProperty(property, defaultValue);
 	}
 
 	@Override
-	@Transactional(readOnly = true)
 	public Map<String, String> getGlobalProperties(String... properties) {
-		return dao.getGlobalProperties(properties);
+		return FhirGlobalPropertyHolder.getGlobalProperties(properties);
 	}
 }

api/src/main/java/org/openmrs/module/fhir2/api/search/SearchQueryBundleProvider.java

@@ -93,7 +93,7 @@ public List<IBaseResource> getResources(int fromIndex, int toIndex) {
 	@Override
 	public Integer preferredPageSize() {
 		if (pageSize == null) {
-			pageSize = globalPropertyService.getGlobalProperty(FhirConstants.OPENMRS_FHIR_DEFAULT_PAGE_SIZE, 10);
+			pageSize = globalPropertyService.getGlobalPropertyAsInteger(FhirConstants.OPENMRS_FHIR_DEFAULT_PAGE_SIZE, 10);
 		}
 
 		return pageSize;

api/src/main/java/org/openmrs/module/fhir2/api/search/TwoSearchQueryBundleProvider.java

@@ -122,7 +122,7 @@ public List<IBaseResource> getResources(int fromIndex, int toIndex) {
 	@Override
 	public Integer preferredPageSize() {
 		if (pageSize == null) {
-			pageSize = globalPropertyService.getGlobalProperty(FhirConstants.OPENMRS_FHIR_DEFAULT_PAGE_SIZE, 10);
+			pageSize = globalPropertyService.getGlobalPropertyAsInteger(FhirConstants.OPENMRS_FHIR_DEFAULT_PAGE_SIZE, 10);
 		}
 
 		return pageSize;

api/src/main/java/org/openmrs/module/fhir2/api/translators/impl/AllergyIntoleranceTranslatorImpl.java

@@ -39,7 +39,7 @@
 
 @Component
 @Setter(AccessLevel.PACKAGE)
-public class AllergyIntoleranceTranslatorImpl extends BaseReferenceHandlingTranslator implements AllergyIntoleranceTranslator {
+public class AllergyIntoleranceTranslatorImpl implements AllergyIntoleranceTranslator {
 
 	@Autowired
 	private PractitionerReferenceTranslator<User> practitionerReferenceTranslator;

api/src/main/java/org/openmrs/module/fhir2/api/translators/impl/DiagnosticReportTranslatorImpl.java

@@ -60,8 +60,13 @@ public DiagnosticReport toFhirResource(@Nonnull FhirDiagnosticReport fhirDiagnos
 		diagnosticReport.setId(fhirDiagnosticReport.getUuid());
 
 		if (fhirDiagnosticReport.getStatus() != null) {
-			diagnosticReport
-			        .setStatus(DiagnosticReport.DiagnosticReportStatus.valueOf(fhirDiagnosticReport.getStatus().toString()));
+			try {
+				diagnosticReport.setStatus(
+				    DiagnosticReport.DiagnosticReportStatus.valueOf(fhirDiagnosticReport.getStatus().toString()));
+			}
+			catch (IllegalArgumentException e) {
+				diagnosticReport.setStatus(DiagnosticReport.DiagnosticReportStatus.UNKNOWN);
+			}
 		} else {
 			diagnosticReport.setStatus(DiagnosticReport.DiagnosticReportStatus.UNKNOWN);
 		}

api/src/main/java/org/openmrs/module/fhir2/api/translators/impl/EncounterLocationTranslatorImpl.java

@@ -10,6 +10,8 @@
 package org.openmrs.module.fhir2.api.translators.impl;
 
 import static org.apache.commons.lang3.Validate.notNull;
+import static org.openmrs.module.fhir2.api.translators.impl.ReferenceHandlingTranslator.createLocationReference;
+import static org.openmrs.module.fhir2.api.translators.impl.ReferenceHandlingTranslator.getReferenceId;
 
 import javax.annotation.Nonnull;
 
@@ -24,7 +26,7 @@
 
 @Component
 @Setter(AccessLevel.PACKAGE)
-public class EncounterLocationTranslatorImpl extends BaseReferenceHandlingTranslator implements EncounterLocationTranslator {
+public class EncounterLocationTranslatorImpl implements EncounterLocationTranslator {
 
 	@Autowired
 	private FhirLocationDao locationDao;

api/src/main/java/org/openmrs/module/fhir2/api/translators/impl/EncounterParticipantTranslatorImpl.java

@@ -10,6 +10,8 @@
 package org.openmrs.module.fhir2.api.translators.impl;
 
 import static org.apache.commons.lang3.Validate.notNull;
+import static org.openmrs.module.fhir2.api.translators.impl.ReferenceHandlingTranslator.createPractitionerReference;
+import static org.openmrs.module.fhir2.api.translators.impl.ReferenceHandlingTranslator.getReferenceId;
 
 import javax.annotation.Nonnull;
 
@@ -27,7 +29,7 @@
 
 @Component
 @Setter(AccessLevel.PACKAGE)
-public class EncounterParticipantTranslatorImpl extends BaseReferenceHandlingTranslator implements EncounterParticipantTranslator {
+public class EncounterParticipantTranslatorImpl implements EncounterParticipantTranslator {
 
 	private static final String DEFAULT_ENCOUNTER_ROLE_UUID_PROPERTY = "fhir2.encounterParticipantComponentUuid";
 

api/src/main/java/org/openmrs/module/fhir2/api/translators/impl/EncounterReferenceTranslatorImpl.java

@@ -9,6 +9,10 @@
  */
 package org.openmrs.module.fhir2.api.translators.impl;
 
+import static org.openmrs.module.fhir2.api.translators.impl.ReferenceHandlingTranslator.createEncounterReference;
+import static org.openmrs.module.fhir2.api.translators.impl.ReferenceHandlingTranslator.getReferenceId;
+import static org.openmrs.module.fhir2.api.translators.impl.ReferenceHandlingTranslator.getReferenceType;
+
 import javax.annotation.Nonnull;
 
 import lombok.AccessLevel;
@@ -23,7 +27,7 @@
 
 @Component
 @Setter(AccessLevel.PACKAGE)
-public class EncounterReferenceTranslatorImpl extends BaseReferenceHandlingTranslator implements EncounterReferenceTranslator<Encounter> {
+public class EncounterReferenceTranslatorImpl implements EncounterReferenceTranslator<Encounter> {
 
 	@Autowired
 	private FhirEncounterDao encounterDao;

api/src/main/java/org/openmrs/module/fhir2/api/translators/impl/LocationReferenceTranslatorImpl.java

@@ -9,6 +9,10 @@
  */
 package org.openmrs.module.fhir2.api.translators.impl;
 
+import static org.openmrs.module.fhir2.api.translators.impl.ReferenceHandlingTranslator.createLocationReference;
+import static org.openmrs.module.fhir2.api.translators.impl.ReferenceHandlingTranslator.getReferenceId;
+import static org.openmrs.module.fhir2.api.translators.impl.ReferenceHandlingTranslator.getReferenceType;
+
 import javax.annotation.Nonnull;
 
 import lombok.AccessLevel;
@@ -23,7 +27,7 @@
 
 @Component
 @Setter(AccessLevel.PACKAGE)
-public class LocationReferenceTranslatorImpl extends BaseReferenceHandlingTranslator implements LocationReferenceTranslator {
+public class LocationReferenceTranslatorImpl implements LocationReferenceTranslator {
 
 	@Autowired
 	private FhirLocationDao locationDao;