au.csiro.pathling.support.r4.R4FhirConversionSupport Maven / Gradle / Ivy

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Encoders for transforming FHIR data into Spark Datasets.

There is a newer version: 7.0.1

/*
 * This is a modified version of the Bunsen library, originally published at
 * https://github.com/cerner/bunsen.
 *
 * Bunsen is copyright 2017 Cerner Innovation, Inc., and is licensed under
 * the Apache License, version 2.0 (http://www.apache.org/licenses/LICENSE-2.0).
 *
 * These modifications are copyright © 2018-2022, Commonwealth Scientific
 * and Industrial Research Organisation (CSIRO) ABN 41 687 119 230. Licensed
 * under the CSIRO Open Source Software Licence Agreement.
 *
 */

package au.csiro.pathling.support.r4;

import au.csiro.pathling.support.FhirConversionSupport;
import java.util.List;
import java.util.stream.Collectors;
import org.hl7.fhir.instance.model.api.IBase;
import org.hl7.fhir.instance.model.api.IBaseBundle;
import org.hl7.fhir.instance.model.api.IBaseResource;
import org.hl7.fhir.r4.model.Bundle;
import org.hl7.fhir.r4.model.Bundle.BundleEntryComponent;

public class R4FhirConversionSupport extends FhirConversionSupport {

  private static final long serialVersionUID = -367070946615790595L;

  @Override
  public String fhirType(IBase base) {

    return base.fhirType();
  }

  @Override
  public  List extractEntryFromBundle(IBaseBundle bundle,
      Class resourceClass) {
    Bundle r4Bundle = (Bundle) bundle;

    return r4Bundle.getEntry().stream()
        .map(BundleEntryComponent::getResource)
        .filter(resourceClass::isInstance)
        .collect(Collectors.toList());
  }
}