odata2-annotation-processor/annotation-processor-core/src/main/java/org/apache/olingo/odata2/annotation/processor/core/ListsProcessor.java [248:297]:
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  public ODataResponse readEntityLinks(final GetEntitySetLinksUriInfo uriInfo, final String contentType)
      throws ODataException {
    ArrayList<Object> data = new ArrayList<Object>();
    try {
      data.addAll((List<?>) retrieveData(
          uriInfo.getStartEntitySet(),
          uriInfo.getKeyPredicates(),
          uriInfo.getFunctionImport(),
          mapFunctionParameters(uriInfo.getFunctionImportParameters()),
          uriInfo.getNavigationSegments()));
    } catch (final ODataNotFoundException e) {
      data.clear();
    }

    final Integer count = applySystemQueryOptions(
        uriInfo.getTargetEntitySet(),
        data,
        uriInfo.getFilter(),
        uriInfo.getInlineCount(),
        null, // uriInfo.getOrderBy(),
        uriInfo.getSkipToken(),
        uriInfo.getSkip(),
        uriInfo.getTop());

    final EdmEntitySet entitySet = uriInfo.getTargetEntitySet();

    List<Map<String, Object>> values = new ArrayList<Map<String, Object>>();
    for (final Object entryData : data) {
      Map<String, Object> entryValues = new HashMap<String, Object>();
      for (final EdmProperty property : entitySet.getEntityType().getKeyProperties()) {
        entryValues.put(property.getName(), valueAccess.getPropertyValue(entryData, property));
      }
      values.add(entryValues);
    }

    ODataContext context = getContext();
    final EntityProviderWriteProperties entryProperties = EntityProviderWriteProperties
        .serviceRoot(context.getPathInfo().getServiceRoot())
        .inlineCountType(uriInfo.getInlineCount())
        .inlineCount(count)
        .build();

    final int timingHandle = context.startRuntimeMeasurement("EntityProvider", "writeLinks");

    final ODataResponse response = EntityProvider.writeLinks(contentType, entitySet, values, entryProperties);

    context.stopRuntimeMeasurement(timingHandle);

    return ODataResponse.fromResponse(response).build();
  }
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odata2-lib/odata-ref/src/main/java/org/apache/olingo/odata2/ref/processor/ListsProcessor.java [254:303]:
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  public ODataResponse readEntityLinks(final GetEntitySetLinksUriInfo uriInfo, final String contentType)
      throws ODataException {
    ArrayList<Object> data = new ArrayList<Object>();
    try {
      data.addAll((List<?>) retrieveData(
          uriInfo.getStartEntitySet(),
          uriInfo.getKeyPredicates(),
          uriInfo.getFunctionImport(),
          mapFunctionParameters(uriInfo.getFunctionImportParameters()),
          uriInfo.getNavigationSegments()));
    } catch (final ODataNotFoundException e) {
      data.clear();
    }

    final Integer count = applySystemQueryOptions(
        uriInfo.getTargetEntitySet(),
        data,
        uriInfo.getFilter(),
        uriInfo.getInlineCount(),
        null, // uriInfo.getOrderBy(),
        uriInfo.getSkipToken(),
        uriInfo.getSkip(),
        uriInfo.getTop());

    final EdmEntitySet entitySet = uriInfo.getTargetEntitySet();

    List<Map<String, Object>> values = new ArrayList<Map<String, Object>>();
    for (final Object entryData : data) {
      Map<String, Object> entryValues = new HashMap<String, Object>();
      for (final EdmProperty property : entitySet.getEntityType().getKeyProperties()) {
        entryValues.put(property.getName(), valueAccess.getPropertyValue(entryData, property));
      }
      values.add(entryValues);
    }

    ODataContext context = getContext();
    final EntityProviderWriteProperties entryProperties = EntityProviderWriteProperties
        .serviceRoot(context.getPathInfo().getServiceRoot())
        .inlineCountType(uriInfo.getInlineCount())
        .inlineCount(count)
        .build();

    final int timingHandle = context.startRuntimeMeasurement("EntityProvider", "writeLinks");

    final ODataResponse response = EntityProvider.writeLinks(contentType, entitySet, values, entryProperties);

    context.stopRuntimeMeasurement(timingHandle);

    return ODataResponse.fromResponse(response).build();
  }
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