1 files changed, 72 insertions, 0 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/net/meter/MeterKey.java b/framework/src/onos/core/api/src/main/java/org/onosproject/net/meter/MeterKey.java
new file mode 100644
index 00000000..5bc01b02
--- /dev/null
+++ b/framework/src/onos/core/api/src/main/java/org/onosproject/net/meter/MeterKey.java
@@ -0,0 +1,72 @@
+/*
+ * 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.net.meter;
+
+import com.google.common.base.Objects;
+import org.onosproject.net.DeviceId;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+
+/**
+ * A meter key represents a meter uniquely.
+ */
+public final class MeterKey {
+
+    private final DeviceId deviceId;
+    private final MeterId id;
+
+    private MeterKey(DeviceId deviceId, MeterId id) {
+        this.deviceId = deviceId;
+        this.id = id;
+    }
+
+    public DeviceId deviceId() {
+        return deviceId;
+    }
+
+    public MeterId meterId() {
+        return id;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        MeterKey meterKey = (MeterKey) o;
+        return Objects.equal(deviceId, meterKey.deviceId) &&
+                Objects.equal(id, meterKey.id);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hashCode(deviceId, id);
+    }
+
+    @Override
+    public String toString() {
+        return toStringHelper(this)
+                .add("deviceId", deviceId)
+                .add("meterId", id).toString();
+    }
+
+    public static MeterKey key(DeviceId deviceId, MeterId id) {
+        return new MeterKey(deviceId, id);
+    }
+}