int () { int result = myUpNodeIndex != null ? myUpNodeIndex.hashCode() : 0; result = 31 * result + (myDownNodeIndex != null ? myDownNodeIndex.hashCode() : 0); result = 31 * result + (myTargetId != null ? myTargetId.hashCode() : 0); result = 31 * result + myType.hashCode(); return result; }