package eu.dnetlib.dhp.schema.solr; import java.io.Serializable; import java.util.List; public class Instance implements Serializable { private String license; private AccessRight accessright; private String instancetype; private Provenance hostedby; private List url; // other research products specifc private String distributionlocation; private Provenance collectedfrom; private List pid; private List alternateIdentifier; private String dateofacceptance; // ( article | book ) processing charges. Defined here to cope with possible wrongly typed // results private APC processingcharges; private String refereed; // peer-review status private List measures; /** * Direct fulltext URL. */ private String fulltext; }