/* The contents of this file are subject to the license and copyright terms
* detailed in the license directory at the root of the source tree (also
* available online at http://fedora-commons.org/license/).
*/
package fedora.oai;
import java.util.Date;
import java.util.Set;
/**
* Describes a record in the repository with the associated item identifier,
* record datestamp, item set membership, and record deletion indicator.
*
* @author Chris Wilper
* @see <a
* href="http://www.openarchives.org/OAI/2.0/openarchivesprotocol.htm#Record">
* http://www.openarchives.org/OAI/2.0/openarchivesprotocol.htm#Record</a>
*/
public interface Header {
/**
* Get the unique identifier of the item.
*/
public abstract String getIdentifier();
/**
* Get the date of creation, modification or deletion of the record (in UTC)
* for the purpose of selective harvesting.
*/
public abstract Date getDatestamp();
/**
* Get a (possibly empty) Set of Strings indicating the repository 'set'
* membership of the item, for the purpose of selective harvesting.
*/
public abstract Set getSetSpecs();
/**
* Tells whether the record is currently available. This should only return
* false if the repository supports deletions.
*/
public abstract boolean isAvailable();
}