Added private default constructors for serialization.
diff --git a/core/api/src/main/java/org/onlab/onos/net/DefaultDevice.java b/core/api/src/main/java/org/onlab/onos/net/DefaultDevice.java
index 69c10b7..c6e65f5 100644
--- a/core/api/src/main/java/org/onlab/onos/net/DefaultDevice.java
+++ b/core/api/src/main/java/org/onlab/onos/net/DefaultDevice.java
@@ -17,6 +17,15 @@
private final String hwVersion;
private final String swVersion;
+ // For serialization
+ private DefaultDevice() {
+ this.type = null;
+ this.manufacturer = null;
+ this.hwVersion = null;
+ this.swVersion = null;
+ this.serialNumber = null;
+ }
+
/**
* Creates a network element attributed to the specified provider.
*