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/*
* Copyright 2014 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;
import org.onosproject.net.provider.ProviderId;
import java.util.Objects;
import static com.google.common.base.MoreObjects.toStringHelper;
import static org.onosproject.net.Link.State.ACTIVE;
/**
* Default infrastructure link model implementation.
*/
public class DefaultLink extends AbstractModel implements Link {
private final ConnectPoint src;
private final ConnectPoint dst;
private final Type type;
private final State state;
private final boolean isDurable;
/**
* Creates an active infrastructure link using the supplied information.
*
* @param providerId provider identity
* @param src link source
* @param dst link destination
* @param type link type
* @param annotations optional key/value annotations
*/
public DefaultLink(ProviderId providerId, ConnectPoint src, ConnectPoint dst,
Type type, Annotations... annotations) {
this(providerId, src, dst, type, ACTIVE, false, annotations);
}
/**
* Creates an infrastructure link using the supplied information.
* Links marked as durable will remain in the inventory when a vanish
* message is received and instead will be marked as inactive.
*
* @param providerId provider identity
* @param src link source
* @param dst link destination
* @param type link type
* @param state link state
* @param isDurable indicates if the link is to be considered durable
* @param annotations optional key/value annotations
*/
public DefaultLink(ProviderId providerId, ConnectPoint src, ConnectPoint dst,
Type type, State state,
boolean isDurable, Annotations... annotations) {
super(providerId, annotations);
this.src = src;
this.dst = dst;
this.type = type;
this.state = state;
this.isDurable = isDurable;
}
@Override
public ConnectPoint src() {
return src;
}
@Override
public ConnectPoint dst() {
return dst;
}
@Override
public Type type() {
return type;
}
@Override
public State state() {
return state;
}
@Override
public boolean isDurable() {
return isDurable;
}
// Note: Durability & state are purposefully omitted form equality & hashCode.
@Override
public int hashCode() {
return Objects.hash(src, dst, type);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof DefaultLink) {
final DefaultLink other = (DefaultLink) obj;
return Objects.equals(this.src, other.src) &&
Objects.equals(this.dst, other.dst) &&
Objects.equals(this.type, other.type);
}
return false;
}
@Override
public String toString() {
return toStringHelper(this)
.add("src", src)
.add("dst", dst)
.add("type", type)
.add("state", state)
.add("durable", isDurable)
.toString();
}
}
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