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/*
* 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.vtnrsc.portpair;
import org.onosproject.vtnrsc.PortPair;
import org.onosproject.vtnrsc.PortPairId;
/**
* Service for interacting with the inventory of port pairs.
*/
public interface PortPairService {
/**
* Returns if the port pair is existed.
*
* @param portPairId port pair identifier
* @return true or false if one with the given identifier exists.
*/
boolean exists(PortPairId portPairId);
/**
* Returns the number of port pairs known to the system.
*
* @return number of port pairs.
*/
int getPortPairCount();
/**
* Returns an iterable collection of the currently known port pairs.
*
* @return collection of port pairs.
*/
Iterable<PortPair> getPortPairs();
/**
* Returns the portPair with the given identifier.
*
* @param portPairId port pair identifier
* @return PortPair or null if port pair with the given identifier is not
* known.
*/
PortPair getPortPair(PortPairId portPairId);
/**
* Creates a PortPair in the store.
*
* @param portPair the port pair to create
* @return true if given port pair is created successfully.
*/
boolean createPortPair(PortPair portPair);
/**
* Updates the portPair in the store.
*
* @param portPair the port pair to update
* @return true if given port pair is updated successfully.
*/
boolean updatePortPair(PortPair portPair);
/**
* Deletes portPair by given portPairId.
*
* @param portPairId id of port pair to remove
* @return true if the give port pair is deleted successfully.
*/
boolean removePortPair(PortPairId portPairId);
/**
* Adds the specified listener to Port-Pair manager.
*
* @param listener Port-Pair listener
*/
void addListener(PortPairListener listener);
/**
* Removes the specified listener to Port-Pair manager.
*
* @param listener Port-Pair listener
*/
void removeListener(PortPairListener listener);
}
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