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Fix NPE when there's no secondary path.

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Change-Id: I3bb8eeb2abf140d44cf4dc7186cf1bf316c23f70
This commit is contained in:
Yuta HIGUCHI 2016-08-08 11:52:52 -07:00 committed by Gerrit Code Review
parent 6a1ee2d82b
commit c3d69f52e5
3 changed files with 8 additions and 2 deletions
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2
core/api/src/main/java/org/onosproject/net/DisjointPath.java
View File

@ -43,7 +43,7 @@ public interface DisjointPath extends Path {
/**
* Gets secondary path.
*
* @return secondary path
* @return secondary path, or null if there is no secondary path available.
*/
Path backup();
}

6
core/common/src/main/java/org/onosproject/common/DefaultTopology.java
View File

@ -482,6 +482,12 @@ public class DefaultTopology extends AbstractModel implements Topology {
}
private DisjointPath networkDisjointPath(DisjointPathPair<TopologyVertex, TopologyEdge> path) {
if (!path.hasBackup()) {
// There was no secondary path available.
return new DefaultDisjointPath(CORE_PROVIDER_ID,
(DefaultPath) networkPath(path.primary()),
null);
}
return new DefaultDisjointPath(CORE_PROVIDER_ID,
(DefaultPath) networkPath(path.primary()),
(DefaultPath) networkPath(path.secondary()));

2
utils/misc/src/main/java/org/onlab/graph/DisjointPathPair.java
View File

@ -66,7 +66,7 @@ public class DisjointPathPair<V extends Vertex, E extends Edge<V>> implements Pa
/**
* Returns the secondary path.
*
* @return primary path
* @return secondary path, or null if there is no secondary path available.
*/
public Path<V, E> secondary() {
return secondary;