/*_############################################################################
  _## 
  _##  SNMP4J-Agent 3 - NotificationOriginator.java  
  _## 
  _##  Copyright (C) 2005-2025  Frank Fock (SNMP4J.org)
  _##  
  _##  Licensed under the Apache License, Version 2.0 (the "License");
  _##  you may not use this file except in compliance with the License.
  _##  You may obtain a copy of the License at
  _##  
  _##      http://www.apache.org/licenses/LICENSE-2.0
  _##  
  _##  Unless required by applicable law or agreed to in writing, software
  _##  distributed under the License is distributed on an "AS IS" BASIS,
  _##  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  _##  See the License for the specific language governing permissions and
  _##  limitations under the License.
  _##  
  _##########################################################################*/

package org.snmp4j.agent;

import org.snmp4j.smi.OID;
import org.snmp4j.smi.OctetString;
import org.snmp4j.smi.TimeTicks;
import org.snmp4j.smi.VariableBinding;

/**
 * The {@code NotificationOriginator} specifies the interface for classes providing notification sending.
 *
 * <p>
 * See also RFC 3411 for a description of notification originators.
 * </p>
 *
 * @author Frank Fock
 * @version 1.0
 */
public interface NotificationOriginator {

    /**
     * Sends notifications (traps) to all appropriate notification targets. The targets to notify are determined through
     * the SNMP-TARGET-MIB and the SNMP-NOTIFICATION-MIB.
     *
     * @param context
     *         the context name of the context on whose behalf this notification has been generated.
     * @param notificationID
     *         the object ID that uniquely identifies this notification. For SNMPv1 traps, the notification ID has to be
     *         build using the rules provided by RFC 2576.
     * @param vbs
     *         an array of {@code VariableBinding} instances representing the payload of the notification.
     *
     * @return an array of ResponseEvent instances. Since the
     * {@code NotificationOriginator} determines on behalf of the
     * SNMP-NOTIFICTON-MIB contents whether a notification is sent as trap/notification or as inform request, the
     * returned array contains an element for each addressed target, but only a response PDU for inform targets.
     */
    Object notify(OctetString context, OID notificationID, VariableBinding[] vbs);

    /**
     * Sends notifications (traps) to all appropriate notification targets. The targets to notify are determined through
     * the SNMP-TARGET-MIB and the SNMP-NOTIFICATION-MIB.
     *
     * @param context
     *         the context name of the context on whose behalf this notification has been generated.
     * @param notificationID
     *         the object ID that uniquely identifies this notification. For SNMPv1 traps, the notification ID has to be
     *         build using the rules provided by RFC 2576.
     * @param sysUpTime
     *         the value of the sysUpTime for the context {@code context}. This value will be included in the
     *         generated notification as
     *         {@code sysUpTime.0}.
     * @param vbs
     *         an array of {@code VariableBinding} instances representing the payload of the notification.
     *
     * @return an array of ResponseEvent instances. Since the
     * {@code NotificationOriginator} determines on behalf of the
     * SNMP-NOTIFICATON-MIB contents whether a notification is sent as trap/notification or as inform request, the
     * returned array contains an element for each addressed target, but only a response PDU for inform targets.
     */
    Object notify(OctetString context, OID notificationID, TimeTicks sysUpTime, VariableBinding[] vbs);

}
