Package org.openehealth.ipf.commons.ihe.fhir

Class FhirSearchAndSortParameters<T extends IBaseResource>

java.lang.Object

org.openehealth.ipf.commons.ihe.fhir.FhirSearchAndSortParameters<T>

Type Parameters:

T -

All Implemented Interfaces:

FhirSearchParameters

Direct Known Subclasses:

AllergyIntoleranceSearchParameters, ConditionSearchParameters, DiagnosticReportSearchParameters, EncounterSearchParameters, ImmunizationSearchParameters, Iti66SearchParameters, Iti67SearchParameters, Iti78SearchParameters, Iti81SearchParameters, MedicationRequestSearchParameters, MedicationStatementSearchParameters, ObservationSearchParameters, Pharm5SearchParameters, ProcedureSearchParameters

public abstract class FhirSearchAndSortParameters<T extends IBaseResource>
extends Object
implements FhirSearchParameters

Extension of FhirSearchParameters that add sorting capabilities. Implementing classes must overwrite comparatorFor(String) to provide explicit sorting before a search response bundle is returned.

Constructor Summary

Constructors

Constructor	Description
FhirSearchAndSortParameters()

Method Summary

Modifier and Type	Method	Description
protected Optional<Comparator<T>>	comparatorFor(String paramName)	Returns a Comparator to sort resources of type T by given sort parameter name.
abstract SortSpec	getSortSpec()
static <K> Comparator<K>	noop()
void	sort(List<T> resultList)	Can be called to sort a result list according to its SortSpec as indicated in the query

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.openehealth.ipf.commons.ihe.fhir.FhirSearchParameters

getFhirContext, getIncludeSpec, getPatientIdParam

Constructor Details

FhirSearchAndSortParameters

public FhirSearchAndSortParameters()

Method Details

getSortSpec

public abstract SortSpec getSortSpec()

Returns:

the sort specification as requested by the client

sort

public void sort(List<T> resultList)

Can be called to sort a result list according to its SortSpec as indicated in the query

Parameters:

resultList - (unsorted) result list

comparatorFor

protected Optional<Comparator<T>> comparatorFor(String paramName)

Returns a Comparator to sort resources of type T by given sort parameter name. This default implementation keeps the current order, i.e. to implement actual sorting you MUST overwrite this method.

Parameters:

paramName - sort parameter

Returns:

comparator

noop

public static <K> Comparator<K> noop()