[ONOS-5565]Implementation of QosConfig and QueueConfig

Change-Id: I6a367b53cfca2e85e8aaa6cddb541d7b3ffccbc0
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/QosId.java b/core/api/src/main/java/org/onosproject/net/behaviour/QosId.java
new file mode 100644
index 0000000..db98970
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/QosId.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2017-present 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.net.behaviour;
+
+import com.google.common.annotations.Beta;
+import java.util.Objects;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Immutable representation of a Qos identity.
+ */
+@Beta
+public final class QosId {
+
+    private final String name;
+
+    private QosId(String name) {
+        this.name = checkNotNull(name);
+    }
+
+    public static QosId qosId(String name) {
+        return new QosId(name);
+    }
+
+    public String name() {
+        return name;
+    }
+
+    @Override
+    public int hashCode() {
+        return name.hashCode();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof QosId) {
+            final QosId that = (QosId) obj;
+            return this.getClass() == that.getClass() &&
+                    Objects.equals(this.name, that.name);
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return name;
+    }
+}