/*
* Copyright (C) 2004-2006 Jive Software. All rights reserved.
*
* 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.jivesoftware.xmpp.workgroup.dispatcher;
import org.jivesoftware.xmpp.workgroup.AgentSession;
import org.jivesoftware.xmpp.workgroup.Offer;
import java.util.List;
/**
* Algorithm that selects the best agent of the queue for receiving an offer.
*
* @author Gaston Dombiak
*/
public interface AgentSelector {
/**
* Returns true if an agent session may receive an offer. Once all the agent sessions of
* the queue have been validated
* {@link #bestAgentFrom(List, Offer)} will
* be invoked to select the agent that will effectively get the offer.
*
* @param session the session to check if it may receive an offer.
* @param offer the offer that the agent may receive.
* @return true if the agent session may receive an offer.
*/
boolean validateAgent(AgentSession session, Offer offer);
/**
* Returns the agent that will receive the offer from the previously validated list
* of agents.
*
* @param possibleSessions the list of agents that are in condition to get the offer.
* @param offer the offer that the agent may receive.
* @return the agent that will receive the offer from the previously validated list
* of agents.
*/
AgentSession bestAgentFrom(List<AgentSession> possibleSessions, Offer offer);
}