/**
* Update the metadata field in the database.
*
* @param context dspace context
* @throws SQLException
* @throws AuthorizeException
* @throws NonUniqueMetadataException
* @throws IOException
*/
public void update(Context context)
throws SQLException, AuthorizeException, NonUniqueMetadataException, IOException {
// Check authorisation: Only admins may update the metadata registry
if (!AuthorizeManager.isAdmin(context)) {
throw new AuthorizeException("Only administrators may modiffy the Dublin Core registry");
}
// Check to see if the schema ID was altered. If is was then we will
// query to ensure that there is not already a duplicate name field.
if (row.getIntColumn("metadata_schema_id") != schemaID) {
if (MetadataField.hasElement(context, schemaID, element, qualifier)) {
throw new NonUniqueMetadataException("Duplcate field name found in target schema");
}
}
// Ensure the element and qualifier are unique within a given schema.
if (!unique(context, schemaID, element, qualifier)) {
throw new NonUniqueMetadataException("Please make " + element + "." + qualifier);
}
row.setColumn("metadata_schema_id", schemaID);
row.setColumn("element", element);
row.setColumn("qualifier", qualifier);
row.setColumn("scope_note", scopeNote);
DatabaseManager.update(context, row);
decache();
log.info(
LogManager.getHeader(
context,
"update_metadatafieldregistry",
"metadata_field_id="
+ getFieldID()
+ "element="
+ getElement()
+ "qualifier="
+ getQualifier()));
}
