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author | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:15:21 -0700 |
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committer | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:15:21 -0700 |
commit | 13d05bc8458758ee39cb829098241e89616717ee (patch) | |
tree | 22a4d1ce65f15952f07a3df5af4b462b4697cb3a /framework/src/onos/core/api/src/main/java/org/onosproject/net/DefaultPath.java | |
parent | 6139282e1e93c2322076de4b91b1c85d0bc4a8b3 (diff) |
ONOS checkin based on commit tag e796610b1f721d02f9b0e213cf6f7790c10ecd60
Change-Id: Ife8810491034fe7becdba75dda20de4267bd15cd
Diffstat (limited to 'framework/src/onos/core/api/src/main/java/org/onosproject/net/DefaultPath.java')
-rw-r--r-- | framework/src/onos/core/api/src/main/java/org/onosproject/net/DefaultPath.java | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/net/DefaultPath.java b/framework/src/onos/core/api/src/main/java/org/onosproject/net/DefaultPath.java new file mode 100644 index 00000000..a4789cac --- /dev/null +++ b/framework/src/onos/core/api/src/main/java/org/onosproject/net/DefaultPath.java @@ -0,0 +1,105 @@ +/* + * 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 com.google.common.base.MoreObjects; +import com.google.common.collect.ImmutableList; +import org.onosproject.net.provider.ProviderId; + +import java.util.List; +import java.util.Objects; + +import static com.google.common.base.Preconditions.checkArgument; +import static com.google.common.base.Preconditions.checkNotNull; + +/** + * Default implementation of a network path. + */ +public class DefaultPath extends DefaultLink implements Path { + + private final List<Link> links; + private final double cost; + + /** + * Creates a path from the specified source and destination using the + * supplied list of links. + * + * @param providerId provider identity + * @param links contiguous links that comprise the path + * @param cost unit-less path cost + * @param annotations optional key/value annotations + */ + public DefaultPath(ProviderId providerId, List<Link> links, double cost, + Annotations... annotations) { + super(providerId, source(links), destination(links), Type.INDIRECT, annotations); + this.links = ImmutableList.copyOf(links); + this.cost = cost; + } + + @Override + public List<Link> links() { + return links; + } + + @Override + public double cost() { + return cost; + } + + // Returns the source of the first link. + private static ConnectPoint source(List<Link> links) { + checkNotNull(links, "List of path links cannot be null"); + checkArgument(!links.isEmpty(), "List of path links cannot be empty"); + return links.get(0).src(); + } + + // Returns the destination of the last link. + private static ConnectPoint destination(List<Link> links) { + checkNotNull(links, "List of path links cannot be null"); + checkArgument(!links.isEmpty(), "List of path links cannot be empty"); + return links.get(links.size() - 1).dst(); + } + + @Override + public String toString() { + return MoreObjects.toStringHelper(this) + .add("src", src()) + .add("dst", dst()) + .add("type", type()) + .add("state", state()) + .add("durable", isDurable()) + .add("links", links) + .add("cost", cost) + .toString(); + } + + @Override + public int hashCode() { + return Objects.hash(links); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj instanceof DefaultPath) { + final DefaultPath other = (DefaultPath) obj; + return Objects.equals(this.links, other.links); + } + return false; + } +} |