Application manages the IP layer topology information - Interfaces

Change-Id: Ie1dea035674ee98583e98a82cca7e33ab0858b92
diff --git a/apps/iptopology-api/src/main/java/org/onosproject/iptopology/api/AsNumber.java b/apps/iptopology-api/src/main/java/org/onosproject/iptopology/api/AsNumber.java
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+++ b/apps/iptopology-api/src/main/java/org/onosproject/iptopology/api/AsNumber.java
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+/*

+ * 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.iptopology.api;

+

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

+

+import java.util.Objects;

+

+/**

+ * Autonomous system Number class (32 Bit ASNumber).

+ */

+public class AsNumber {

+    private final int asNum;

+

+    /**

+     * Constructor to set As number.

+     *

+     * @param asNum As number

+     */

+    public AsNumber(int asNum) {

+        this.asNum = asNum;

+    }

+

+    /**

+     * Obtain autonomous system number.

+     *

+     * @return autonomous system number

+     */

+    public int asNum() {

+        return asNum;

+    }

+

+    @Override

+    public int hashCode() {

+        return Objects.hash(asNum);

+    }

+

+    @Override

+    public boolean equals(Object obj) {

+        if (this == obj) {

+            return true;

+        }

+

+        if (obj instanceof AsNumber) {

+            AsNumber other = (AsNumber) obj;

+            return Objects.equals(asNum, other.asNum);

+        }

+        return false;

+    }

+

+    @Override

+    public String toString() {

+        return toStringHelper(this)

+                .add("asNum", asNum)

+                .toString();

+    }

+}
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