odata2-annotation-processor/annotation-processor-core/src/main/java/org/apache/olingo/odata2/annotation/processor/core/ListsProcessor.java [539:643]:
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      throw new ODataNotFoundException(ODataNotFoundException.ENTITY);
    }

    dataSource.deleteRelation(entitySet, sourceData, targetEntitySet, keys);

    final Map<String, Object> newKeys = parseLink(targetEntitySet, content, requestContentType);

    dataSource.writeRelation(entitySet, sourceData, targetEntitySet, newKeys);

    return ODataResponse.newBuilder().build();
  }

  @Override
  public ODataResponse readEntityComplexProperty(final GetComplexPropertyUriInfo uriInfo, final String contentType)
      throws ODataException {
    Object data = retrieveData(
        uriInfo.getStartEntitySet(),
        uriInfo.getKeyPredicates(),
        uriInfo.getFunctionImport(),
        mapFunctionParameters(uriInfo.getFunctionImportParameters()),
        uriInfo.getNavigationSegments());

    if (data == null) {
      throw new ODataNotFoundException(ODataNotFoundException.ENTITY);
    }

    final List<EdmProperty> propertyPath = uriInfo.getPropertyPath();
    final EdmProperty property = propertyPath.get(propertyPath.size() - 1);
    final Object value = property.isSimple() ?
        property.getMapping() == null || property.getMapping().getMediaResourceMimeTypeKey() == null ?
            getPropertyValue(data, propertyPath) : getSimpleTypeValueMap(data, propertyPath) :
        getStructuralTypeValueMap(getPropertyValue(data, propertyPath), (EdmStructuralType) property.getType());

    ODataContext context = getContext();
    final int timingHandle = context.startRuntimeMeasurement("EntityProvider", "writeProperty");

    final ODataResponse response = EntityProvider.writeProperty(contentType, property, value);

    context.stopRuntimeMeasurement(timingHandle);

    return ODataResponse.fromResponse(response).eTag(constructETag(uriInfo.getTargetEntitySet(), data)).build();
  }

  @Override
  public ODataResponse readEntitySimpleProperty(final GetSimplePropertyUriInfo uriInfo, final String contentType)
      throws ODataException {
    return readEntityComplexProperty((GetComplexPropertyUriInfo) uriInfo, contentType);
  }

  @Override
  public ODataResponse readEntitySimplePropertyValue(final GetSimplePropertyUriInfo uriInfo, final String contentType)
      throws ODataException {
    Object data = retrieveData(
        uriInfo.getStartEntitySet(),
        uriInfo.getKeyPredicates(),
        uriInfo.getFunctionImport(),
        mapFunctionParameters(uriInfo.getFunctionImportParameters()),
        uriInfo.getNavigationSegments());

    if (data == null) {
      throw new ODataNotFoundException(ODataNotFoundException.ENTITY);
    }

    final List<EdmProperty> propertyPath = uriInfo.getPropertyPath();
    final EdmProperty property = propertyPath.get(propertyPath.size() - 1);
    final Object value = property.getMapping() == null || property.getMapping().getMediaResourceMimeTypeKey() == null ?
        getPropertyValue(data, propertyPath) : getSimpleTypeValueMap(data, propertyPath);

    return ODataResponse.fromResponse(EntityProvider.writePropertyValue(property, value)).eTag(
        constructETag(uriInfo.getTargetEntitySet(), data)).build();
  }

  @Override
  public ODataResponse deleteEntitySimplePropertyValue(final DeleteUriInfo uriInfo, final String contentType)
      throws ODataException {
    Object data = retrieveData(
        uriInfo.getStartEntitySet(),
        uriInfo.getKeyPredicates(),
        uriInfo.getFunctionImport(),
        mapFunctionParameters(uriInfo.getFunctionImportParameters()),
        uriInfo.getNavigationSegments());

    if (data == null) {
      throw new ODataNotFoundException(ODataNotFoundException.ENTITY);
    }

    final List<EdmProperty> propertyPath = uriInfo.getPropertyPath();
    final EdmProperty property = propertyPath.get(propertyPath.size() - 1);

    data = getPropertyValue(data, propertyPath.subList(0, propertyPath.size() - 1));
    valueAccess.setPropertyValue(data, property, null);
    valueAccess.setMappingValue(data, property.getMapping(), null);

    return ODataResponse.newBuilder().build();
  }

  @Override
  public ODataResponse updateEntityComplexProperty(final PutMergePatchUriInfo uriInfo, final InputStream content,
      final String requestContentType, final boolean merge, final String contentType) throws ODataException {
    Object data = retrieveData(
        uriInfo.getStartEntitySet(),
        uriInfo.getKeyPredicates(),
        uriInfo.getFunctionImport(),
        mapFunctionParameters(uriInfo.getFunctionImportParameters()),
        uriInfo.getNavigationSegments());
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odata2-lib/odata-ref/src/main/java/org/apache/olingo/odata2/ref/processor/ListsProcessor.java [547:653]:
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      throw new ODataNotFoundException(ODataNotFoundException.ENTITY);
    }

    dataSource.deleteRelation(entitySet, sourceData, targetEntitySet, keys);

    final Map<String, Object> newKeys = parseLink(targetEntitySet, content, requestContentType);

    dataSource.writeRelation(entitySet, sourceData, targetEntitySet, newKeys);

    return ODataResponse.newBuilder().build();
  }

  @Override
  public ODataResponse readEntityComplexProperty(final GetComplexPropertyUriInfo uriInfo, final String contentType)
      throws ODataException {
    Object data = retrieveData(
        uriInfo.getStartEntitySet(),
        uriInfo.getKeyPredicates(),
        uriInfo.getFunctionImport(),
        mapFunctionParameters(uriInfo.getFunctionImportParameters()),
        uriInfo.getNavigationSegments());

    // if (!appliesFilter(data, uriInfo.getFilter()))
    if (data == null) {
      throw new ODataNotFoundException(ODataNotFoundException.ENTITY);
    }

    final List<EdmProperty> propertyPath = uriInfo.getPropertyPath();
    final EdmProperty property = propertyPath.get(propertyPath.size() - 1);
    final Object value = property.isSimple() ?
        property.getMapping() == null || property.getMapping().getMediaResourceMimeTypeKey() == null ?
            getPropertyValue(data, propertyPath) : getSimpleTypeValueMap(data, propertyPath) :
        getStructuralTypeValueMap(getPropertyValue(data, propertyPath), (EdmStructuralType) property.getType());

    ODataContext context = getContext();
    final int timingHandle = context.startRuntimeMeasurement("EntityProvider", "writeProperty");

    final ODataResponse response = EntityProvider.writeProperty(contentType, property, value);

    context.stopRuntimeMeasurement(timingHandle);

    return ODataResponse.fromResponse(response).eTag(constructETag(uriInfo.getTargetEntitySet(), data)).build();
  }

  @Override
  public ODataResponse readEntitySimpleProperty(final GetSimplePropertyUriInfo uriInfo, final String contentType)
      throws ODataException {
    return readEntityComplexProperty((GetComplexPropertyUriInfo) uriInfo, contentType);
  }

  @Override
  public ODataResponse readEntitySimplePropertyValue(final GetSimplePropertyUriInfo uriInfo, final String contentType)
      throws ODataException {
    Object data = retrieveData(
        uriInfo.getStartEntitySet(),
        uriInfo.getKeyPredicates(),
        uriInfo.getFunctionImport(),
        mapFunctionParameters(uriInfo.getFunctionImportParameters()),
        uriInfo.getNavigationSegments());

    // if (!appliesFilter(data, uriInfo.getFilter()))
    if (data == null) {
      throw new ODataNotFoundException(ODataNotFoundException.ENTITY);
    }

    final List<EdmProperty> propertyPath = uriInfo.getPropertyPath();
    final EdmProperty property = propertyPath.get(propertyPath.size() - 1);
    final Object value = property.getMapping() == null || property.getMapping().getMediaResourceMimeTypeKey() == null ?
        getPropertyValue(data, propertyPath) : getSimpleTypeValueMap(data, propertyPath);

    return ODataResponse.fromResponse(EntityProvider.writePropertyValue(property, value)).eTag(
        constructETag(uriInfo.getTargetEntitySet(), data)).build();
  }

  @Override
  public ODataResponse deleteEntitySimplePropertyValue(final DeleteUriInfo uriInfo, final String contentType)
      throws ODataException {
    Object data = retrieveData(
        uriInfo.getStartEntitySet(),
        uriInfo.getKeyPredicates(),
        uriInfo.getFunctionImport(),
        mapFunctionParameters(uriInfo.getFunctionImportParameters()),
        uriInfo.getNavigationSegments());

    if (data == null) {
      throw new ODataNotFoundException(ODataNotFoundException.ENTITY);
    }

    final List<EdmProperty> propertyPath = uriInfo.getPropertyPath();
    final EdmProperty property = propertyPath.get(propertyPath.size() - 1);

    data = getPropertyValue(data, propertyPath.subList(0, propertyPath.size() - 1));
    valueAccess.setPropertyValue(data, property, null);
    valueAccess.setMappingValue(data, property.getMapping(), null);

    return ODataResponse.newBuilder().build();
  }

  @Override
  public ODataResponse updateEntityComplexProperty(final PutMergePatchUriInfo uriInfo, final InputStream content,
      final String requestContentType, final boolean merge, final String contentType) throws ODataException {
    Object data = retrieveData(
        uriInfo.getStartEntitySet(),
        uriInfo.getKeyPredicates(),
        uriInfo.getFunctionImport(),
        mapFunctionParameters(uriInfo.getFunctionImportParameters()),
        uriInfo.getNavigationSegments());
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