Examples with DeleteRequest org.datanucleus.store.rdbms.request.DeleteRequest used on opensource projects

Example 1 with DeleteRequest

use of org.datanucleus.store.rdbms.request.DeleteRequest in project datanucleus-rdbms by datanucleus.

the class RDBMSPersistenceHandler method getDeleteRequest.

/**
 * Returns a request object that will delete a row from the given table.
 * The store manager will cache the request object for re-use by subsequent requests to the same table.
 * @param table The table from which to delete.
 * @param acmd ClassMetaData of the object of the request
 * @param clr ClassLoader resolver
 * @return A deletion request object.
 */
private Request getDeleteRequest(DatastoreClass table, AbstractClassMetaData acmd, ClassLoaderResolver clr) {
    RequestIdentifier reqID = new RequestIdentifier(table, null, RequestType.DELETE, acmd.getFullClassName());
    Request req = requestsByID.get(reqID);
    if (req == null) {
        req = new DeleteRequest(table, acmd, clr);
        requestsByID.put(reqID, req);
    }
    return req;
}