/* | |
* 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.iptopology.api; | |
import java.util.Objects; | |
import org.onosproject.net.DeviceId; | |
import org.onosproject.net.ElementId; | |
import com.google.common.base.MoreObjects; | |
/** | |
* Abstraction of a network termination point expressed as a pair of the network element identifier and device | |
* interface. | |
*/ | |
public class TerminationPoint { | |
private final ElementId elementId; | |
private final DeviceInterface deviceInterface; | |
/** | |
* Constructor to initialize its parameters. | |
* | |
* @param elementId network element identifier | |
* @param deviceInterface device interface | |
*/ | |
public TerminationPoint(ElementId elementId, DeviceInterface deviceInterface) { | |
this.elementId = elementId; | |
this.deviceInterface = deviceInterface; | |
} | |
/** | |
* Returns the network element identifier. | |
* | |
* @return element identifier | |
*/ | |
public ElementId elementId() { | |
return elementId; | |
} | |
/** | |
* Returns the identifier of the infrastructure device if the termination | |
* point belongs to a network element which is indeed an ip | |
* device. | |
* | |
* @return network element identifier as a device identifier | |
* @throws java.lang.IllegalStateException if termination point is not | |
* associated with a device | |
*/ | |
public DeviceId deviceId() { | |
if (elementId instanceof DeviceId) { | |
return (DeviceId) elementId; | |
} | |
throw new IllegalStateException("Termination point not associated " + | |
"with an ip device"); | |
} | |
/** | |
* Returns Device interface details. | |
* | |
* @return device interface details | |
*/ | |
public DeviceInterface deviceInterface() { | |
return deviceInterface; | |
} | |
@Override | |
public int hashCode() { | |
return Objects.hash(elementId, deviceInterface); | |
} | |
@Override | |
public boolean equals(Object obj) { | |
if (this == obj) { | |
return true; | |
} | |
if (obj instanceof TerminationPoint) { | |
final TerminationPoint other = (TerminationPoint) obj; | |
return Objects.equals(this.elementId, other.elementId) | |
&& Objects.equals(this.deviceInterface, other.deviceInterface); | |
} | |
return false; | |
} | |
@Override | |
public String toString() { | |
return MoreObjects.toStringHelper(this) | |
.add("elementId", elementId) | |
.add("deviceInterface", deviceInterface) | |
.toString(); | |
} | |
} |