1 files changed, 86 insertions, 0 deletions
diff --git a/framework/src/onos/utils/misc/src/main/java/org/onlab/packet/ChassisId.java b/framework/src/onos/utils/misc/src/main/java/org/onlab/packet/ChassisId.java
new file mode 100644
index 00000000..23c9859f
--- /dev/null
+++ b/framework/src/onos/utils/misc/src/main/java/org/onlab/packet/ChassisId.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2014 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onlab.packet;
+
+/**
+ * The class representing a network device chassisId.
+ * This class is immutable.
+ */
+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.parseLong(value, 16);
+    }
+
+    /**
+     * 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() {
+        return Long.hashCode(value);
+    }
+}