Implementation of PcInitate and PcUpdate messages

Change-Id: I746a5860a8b4a8022d747a02075ed3237741c53a
diff --git a/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PcepNaiIpv4NodeId.java b/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PcepNaiIpv4NodeId.java
new file mode 100644
index 0000000..b8d9860
--- /dev/null
+++ b/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PcepNaiIpv4NodeId.java
@@ -0,0 +1,96 @@
+/*

+ * Copyright 2015 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.onosproject.pcepio.types;

+

+import java.util.Objects;

+

+import org.jboss.netty.buffer.ChannelBuffer;

+import org.onosproject.pcepio.protocol.PcepNai;

+

+import com.google.common.base.MoreObjects;

+

+public class PcepNaiIpv4NodeId implements PcepNai {

+

+    public static final byte ST_TYPE = 0x01;

+

+    private final int ipv4NodeId;

+

+    /**

+     * Constructor to initialize ipv4NodeId.

+     *

+     * @param value ipv4 node id

+     */

+    public PcepNaiIpv4NodeId(int value) {

+        this.ipv4NodeId = value;

+    }

+

+    /**

+     * Returns an object of PcepNaiIpv4NodeId.

+     *

+     * @param value ipv4 node id

+     * @return object of PcepNaiIpv4NodeId

+     */

+    public static PcepNaiIpv4NodeId of(int value) {

+        return new PcepNaiIpv4NodeId(value);

+    }

+

+    @Override

+    public byte getType() {

+        return ST_TYPE;

+    }

+

+    @Override

+    public int write(ChannelBuffer bb) {

+        int iLenStartIndex = bb.writerIndex();

+        bb.writeInt(ipv4NodeId);

+        return bb.writerIndex() - iLenStartIndex;

+    }

+

+    /**

+     * Reads from the channel buffer and returns object of PcepNAIIpv4NodeIdVer1.

+     *

+     * @param bb of channel buffer.

+     * @return object of PcepNAIIpv4NodeIdVer1

+     */

+    public static PcepNaiIpv4NodeId read(ChannelBuffer bb) {

+        return new PcepNaiIpv4NodeId(bb.readInt());

+    }

+

+    @Override

+    public int hashCode() {

+        return Objects.hash(ipv4NodeId);

+    }

+

+    @Override

+    public boolean equals(Object obj) {

+        if (this == obj) {

+            return true;

+        }

+        if (obj instanceof PcepNaiIpv4NodeId) {

+            PcepNaiIpv4NodeId other = (PcepNaiIpv4NodeId) obj;

+            return Objects.equals(this.ipv4NodeId, other.ipv4NodeId);

+        }

+        return false;

+    }

+

+    @Override

+    public String toString() {

+        return MoreObjects.toStringHelper(getClass())

+                .add("IPv4 Node Id", ipv4NodeId)

+                .toString();

+    }

+}