diff options
Diffstat (limited to 'graphx')
-rw-r--r-- | graphx/src/main/scala/org/apache/spark/graphx/impl/GraphImpl.scala | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/graphx/src/main/scala/org/apache/spark/graphx/impl/GraphImpl.scala b/graphx/src/main/scala/org/apache/spark/graphx/impl/GraphImpl.scala index c21f8935d9..916eb9763c 100644 --- a/graphx/src/main/scala/org/apache/spark/graphx/impl/GraphImpl.scala +++ b/graphx/src/main/scala/org/apache/spark/graphx/impl/GraphImpl.scala @@ -32,6 +32,9 @@ class GraphImpl[VD: ClassTag, ED: ClassTag] protected ( @transient val replicatedVertexView: ReplicatedVertexView[VD]) extends Graph[VD, ED] with Serializable { + /** Default construct is provided to support serialization */ + protected def this() = this(null, null, null, null) + /** Return a RDD that brings edges together with their source and destination vertices. */ @transient override val triplets: RDD[EdgeTriplet[VD, ED]] = { val vdTag = classTag[VD] |