odata2-annotation-processor/annotation-processor-core/src/main/java/org/apache/olingo/odata2/annotation/processor/core/ListsProcessor.java [612:633]:
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  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();
  }
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odata2-lib/odata-ref/src/main/java/org/apache/olingo/odata2/ref/processor/ListsProcessor.java [622:643]:
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  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();
  }
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