[ONOS-5565]Implementation of QosConfig and QueueConfig

Change-Id: I6a367b53cfca2e85e8aaa6cddb541d7b3ffccbc0
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/DefaultQosDescription.java b/core/api/src/main/java/org/onosproject/net/behaviour/DefaultQosDescription.java
new file mode 100644
index 0000000..39bd548
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/DefaultQosDescription.java
@@ -0,0 +1,180 @@
+/*
+ * 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 com.google.common.base.MoreObjects;
+import org.onlab.util.Bandwidth;
+import org.onosproject.net.AbstractDescription;
+import org.onosproject.net.SparseAnnotations;
+
+import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+
+/**
+ * Default implementation of Qos description entity.
+ */
+@Beta
+public final class DefaultQosDescription extends AbstractDescription
+        implements QosDescription {
+
+    private final QosId qosId;
+    private final Type type;
+    private final Optional<Bandwidth> maxRate;
+    private final Optional<Long> cir;
+    private final Optional<Long> cbs;
+    private final Optional<Map<Long, QueueDescription>> queues;
+
+    private DefaultQosDescription(QosId qosId, Type type, Optional<Bandwidth> maxRate,
+                                  Optional<Long> cir, Optional<Long> cbs,
+                                  Optional<Map<Long, QueueDescription>> queues,
+                                  SparseAnnotations... annotations) {
+        super(annotations);
+        this.qosId = checkNotNull(qosId);
+        this.type = checkNotNull(type);
+        this.maxRate = maxRate;
+        this.cir = cir;
+        this.cbs = cbs;
+        this.queues = queues;
+    }
+
+    @Override
+    public QosId qosId() {
+        return qosId;
+    }
+
+    @Override
+    public Type type() {
+        return type;
+    }
+
+    @Override
+    public Optional<Bandwidth> maxRate() {
+        return maxRate;
+    }
+
+    @Override
+    public Optional<Long> cir() {
+        return cir;
+    }
+
+    @Override
+    public Optional<Long> cbs() {
+        return cbs;
+    }
+
+    @Override
+    public Optional<Map<Long, QueueDescription>> queues() {
+        return queues;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(qosId, type, maxRate, cir, cbs, queues);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof DefaultQosDescription) {
+            final DefaultQosDescription other = (DefaultQosDescription) obj;
+            return Objects.equals(this.qosId, other.qosId) &&
+                    Objects.equals(this.type, other.type) &&
+                    Objects.equals(this.maxRate, other.maxRate) &&
+                    Objects.equals(this.cir, other.cir) &&
+                    Objects.equals(this.cbs, other.cbs) &&
+                    Objects.equals(this.queues, other.queues);
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(this)
+                .add("qosId", qosId())
+                .add("type", type())
+                .add("maxRate", maxRate().orElse(null))
+                .add("cir", cir().orElse(0L))
+                .add("cbs", cbs().orElse(0L))
+                .add("queues", queues().orElse(null))
+                .toString();
+    }
+
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    public static final class Builder implements QosDescription.Builder {
+
+        private QosId qosId;
+        private Type type;
+        private Optional<Bandwidth> maxRate = Optional.empty();
+        private Optional<Long> cir = Optional.empty();
+        private Optional<Long> cbs = Optional.empty();
+        private Optional<Map<Long, QueueDescription>> queues = Optional.empty();
+
+        private Builder() {
+        }
+
+        @Override
+        public QosDescription build() {
+            return new DefaultQosDescription(qosId, type, maxRate, cir, cbs, queues);
+        }
+
+        @Override
+        public Builder qosId(QosId qosId) {
+            this.qosId = qosId;
+            return this;
+        }
+
+        @Override
+        public Builder type(Type type) {
+            this.type = type;
+            return this;
+        }
+
+        @Override
+        public Builder maxRate(Bandwidth maxRate) {
+            this.maxRate = Optional.ofNullable(maxRate);
+            return this;
+        }
+
+        @Override
+        public Builder cir(Long cir) {
+            this.cir = Optional.ofNullable(cir);
+            return this;
+        }
+
+        @Override
+        public Builder cbs(Long cbs) {
+            this.cbs = Optional.ofNullable(cbs);
+            return this;
+        }
+
+        @Override
+        public Builder queues(Map<Long, QueueDescription> queues) {
+            this.queues = Optional.ofNullable(queues);
+            return this;
+        }
+    }
+}
+