/**
* Copyright 2013, Big Switch Networks, Inc.
*
* 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 net.floodlightcontroller.flowcache;
public interface IFlowQueryHandler {
/**
* This callback function is called in response to a flow query request
* submitted to the flow cache service. The module handling this callback
* can be different from the one that submitted the query. In the flow
* query object used for submitting the flow query, the identity of the
* callback handler is passed. When flow cache service has all or some
* of the flows that needs to be returned then this callback is called
* for the appropriate module. The respone contains a boolean more flag
* that indicates if there are additional flows that may be returned
* via additional callback calls.
*
* @param resp the response object containing the original flow query
* object, partial or complete list of flows that we queried and some
* metadata such as the more flag described aboce.
*
*/
public void flowQueryRespHandler(FlowCacheQueryResp resp);
}