/* | |
* Copyright 2015 Open Networking Laboratory | |
* | |
* 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.onosproject.net.statistic; | |
import org.onosproject.net.ConnectPoint; | |
import org.onosproject.net.flow.FlowEntry; | |
import org.onosproject.net.flow.FlowRule; | |
import java.util.Set; | |
/** | |
* Flow Store to house the computed statistics. | |
*/ | |
public interface FlowStatisticStore { | |
/** | |
* Remove entries associated with this rule. | |
* | |
* @param rule {@link org.onosproject.net.flow.FlowRule} | |
*/ | |
void removeFlowStatistic(FlowRule rule); | |
/** | |
* Adds a flow stats observation for a flow rule. The previous flow will be removed. | |
* | |
* @param rule a {@link org.onosproject.net.flow.FlowEntry} | |
*/ | |
void addFlowStatistic(FlowEntry rule); | |
/** | |
* Updates a stats observation for a flow rule. The old flow stats will be moved to previous stats. | |
* | |
* @param rule a {@link org.onosproject.net.flow.FlowEntry} | |
*/ | |
void updateFlowStatistic(FlowEntry rule); | |
/** | |
* Fetches the current observed flow stats values. | |
* | |
* @param connectPoint the port to fetch information for | |
* @return set of current flow rules | |
*/ | |
Set<FlowEntry> getCurrentFlowStatistic(ConnectPoint connectPoint); | |
/** | |
* Fetches the current observed flow stats values. | |
* | |
* @param connectPoint the port to fetch information for | |
* @return set of current values | |
*/ | |
Set<FlowEntry> getPreviousFlowStatistic(ConnectPoint connectPoint); | |
} |