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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.certsrv.request;
import com.netscape.certsrv.base.EBaseException;
/**
* This interface defines storage of request objects in the local database.
* <p>
*
* @version $Revision$, $Date$
*/
public interface IRequestSubsystem {
public static final String SUB_ID = "request";
/**
* Creates a new request queue. (Currently unimplemented. Just use
* getRequestQueue to create an in-memory queue.)
* <p>
*
* @param name The name of the queue object. This name can be used in
* getRequestQueue to retrieve the queue later.
* @exception EBaseException failed to create request queue
*/
public void createRequestQueue(String name) throws EBaseException;
/**
* Retrieves a request queue. This operation should only be done once on
* each queue. For example, the RA subsystem should retrieve its queue, and
* store it somewhere for use by related services, and servlets.
* <p>
* WARNING: retrieving the same queue twice with result in multi-thread race
* conditions.
* <p>
*
* @param name the name of the request queue. (Ex: "ca" "ra")
* @param p A policy enforcement module. This object is called to make
* adjustments to the request, and decide whether it needs agent
* approval.
* @param s The service object. This object actually performs the request
* after it is finalized and approved.
* @param n A notifier object (optional). The notify() method of this object
* is invoked when the request is completed (COMPLETE, REJECTED
* or CANCELED states).
* @exception EBaseException failed to retrieve request queue
*/
public IRequestQueue getRequestQueue(String name, int increment, IPolicy p,
IService s, INotify n) throws EBaseException;
/**
* Retrieves a request queue. This operation should only be done once on
* each queue. For example, the RA subsystem should retrieve its queue, and
* store it somewhere for use by related services, and servlets.
* <p>
* WARNING: retrieving the same queue twice with result in multi-thread race
* conditions.
* <p>
*
* @param name the name of the request queue. (Ex: "ca" "ra")
* @param p A policy enforcement module. This object is called to make
* adjustments to the request, and decide whether it needs agent
* approval.
* @param s The service object. This object actually performs the request
* after it is finalized and approved.
* @param n A notifier object (optional). The notify() method of this object
* is invoked when the request is completed (COMPLETE, REJECTED
* or CANCELED states).
* @param pendingNotifier A notifier object (optional). Like the 'n'
* argument, except the notification happens if the request is
* made PENDING. May be the same as the 'n' argument if desired.
* @exception EBaseException failed to retrieve request queue
*/
public IRequestQueue getRequestQueue(String name, int increment, IPolicy p,
IService s, INotify n, INotify pendingNotifier)
throws EBaseException;
}
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