Package org.odata4j.edm

Examples of org.odata4j.edm.EdmMultiplicity

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          try {
            if (queryInfo != null && queryInfo.expand != null && queryInfo.expand.size() > 0) {
              for (EntitySimpleProperty esp : queryInfo.expand) {
                if (esp.getPropertyName().equals(propName)) {
                  EdmEntitySet eesNavProp = metadata.getEdmEntitySet(navProp.getToRole().getRole());
                  EdmMultiplicity emNavProp = navProp.getRelationship().getEnd2().getMultiplicity();
                  if (emNavProp == EdmMultiplicity.ZERO_TO_ONE) {
                    Entity e = datastore.get((Key) propValue);
                    expandedProps.add(toOEntity(eesNavProp, e, queryInfo, propName));
                  } else if (emNavProp == EdmMultiplicity.MANY) {
                    @SuppressWarnings("unchecked")
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        String entitySetName = e.getKind();
        String key = uri.substring(uri.lastIndexOf('('));
        EdmEntitySet ees = metadata.getEdmEntitySet(entitySetName);
        EdmEntityType eet = ees.getType();
        EdmNavigationProperty enp = eet.findNavigationProperty(link.getRelation());
        EdmMultiplicity em = enp.getRelationship().getEnd2().getMultiplicity();
        Entity entity = findEntity(enp.getToRole().getType().getName(), OEntityKey.parse(key));
        if (em == EdmMultiplicity.ZERO_TO_ONE) {
          e.setProperty(link.getRelation(), entity.getKey());
        } else {
          e.setProperty(link.getRelation(), new ArrayList<Key>(Arrays.asList(entity.getKey())));
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    EdmNavigationProperty enp = eet.findNavigationProperty(navProp);
    if (enp == null) {
      throw new NotFoundException("EdmNavigationProperty " + navProp + " not found.");
    }
    final EdmEntitySet eesNavProp = metadata.getEdmEntitySet(enp.getToRole().getRole());
    EdmMultiplicity relMultiplicity = enp.getRelationship().getEnd2().getMultiplicity();

    Entity entity = findEntity(entitySetName, entityKey);
    Object navPropValue = entity.getProperties().get(navProp);
    if (navPropValue == null) {
      return Responses.entities(new ArrayList<OEntity>(), eesNavProp, 0, null);
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      if (!newEntity.getKind().equals(targetEntityKind)) {
        throw new NotImplementedException("EdmNavigationProperty " + targetNavProp + " is not of expected kind. Expecting " + targetEntityKind + ", got " + newEntity.getKind() + ".");
      }
    }

    EdmMultiplicity multiplicity = ees.getType().findNavigationProperty(targetNavProp).getToRole().getMultiplicity();
    if (multiplicity == EdmMultiplicity.ZERO_TO_ONE) {
      entity.setProperty(targetNavProp, newEntity != null ? newEntity.getKey() : null);
    } else {
      @SuppressWarnings("unchecked")
      Collection<Key> keys = (Collection<Key>) entity.getProperty(targetNavProp);
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Related Classes of org.odata4j.edm.EdmMultiplicity

  • org.odata.appengine.Producer
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