lldp discovery independent of OF
Change-Id: I720f727f6628e30e5d732e6d7bf742d1b7050812
diff --git a/utils/misc/src/main/java/org/onlab/packet/ChassisId.java b/utils/misc/src/main/java/org/onlab/packet/ChassisId.java
new file mode 100644
index 0000000..3029647
--- /dev/null
+++ b/utils/misc/src/main/java/org/onlab/packet/ChassisId.java
@@ -0,0 +1,74 @@
+package org.onlab.packet;
+
+/**
+ * The class representing a network device chassisId.
+ * This class is immutable.
+ */
+// TODO: Move this to a reasonable place.
+public final class ChassisId {
+
+ private static final long UNKNOWN = 0;
+ private final long value;
+
+ /**
+ * Default constructor.
+ */
+ public ChassisId() {
+ this.value = ChassisId.UNKNOWN;
+ }
+
+ /**
+ * Constructor from a long value.
+ *
+ * @param value the value to use.
+ */
+ public ChassisId(long value) {
+ this.value = value;
+ }
+
+ /**
+ * Constructor from a string.
+ *
+ * @param value the value to use.
+ */
+ public ChassisId(String value) {
+ this.value = Long.valueOf(value);
+ }
+
+ /**
+ * Get the value of the chassis id.
+ *
+ * @return the value of the chassis id.
+ */
+ public long value() {
+ return value;
+ }
+
+ /**
+ * Convert the Chassis Id value to a ':' separated hexadecimal string.
+ *
+ * @return the Chassis Id value as a ':' separated hexadecimal string.
+ */
+ @Override
+ public String toString() {
+ return Long.toHexString(this.value);
+ }
+
+ @Override
+ public boolean equals(Object other) {
+ if (!(other instanceof ChassisId)) {
+ return false;
+ }
+
+ ChassisId otherChassisId = (ChassisId) other;
+
+ return value == otherChassisId.value;
+ }
+
+ @Override
+ public int hashCode() {
+ int hash = 17;
+ hash += 31 * hash + (int) (value ^ value >>> 32);
+ return hash;
+ }
+}