Examples with Fetch org.molgenis.data.Fetch used on opensource projects

Example 36 with Fetch

use of org.molgenis.data.Fetch in project molgenis by molgenis.

the class AttributeFilterToFetchConverter method createDefaultAttributeFetch.

/**
 * Create default fetch for the given attribute. For attributes referencing entities the id and label value are
 * fetched. Additionally for file entities the URL is fetched. For other attributes the default fetch is null;
 *
 * @return default attribute fetch or null
 */
public static Fetch createDefaultAttributeFetch(Attribute attr, String languageCode) {
    Fetch fetch;
    if (isReferenceType(attr)) {
        fetch = new Fetch();
        EntityType refEntityType = attr.getRefEntity();
        String idAttrName = refEntityType.getIdAttribute().getName();
        fetch.field(idAttrName);
        String labelAttrName = refEntityType.getLabelAttribute(languageCode).getName();
        if (!labelAttrName.equals(idAttrName)) {
            fetch.field(labelAttrName);
        }
        if (attr.getDataType() == FILE) {
            fetch.field(FileMetaMetaData.URL);
        }
    } else {
        fetch = null;
    }
    return fetch;
}