[ONOS-4176] Implement influxdb retriever for querying metrics
Change-Id: Ia1f3fc4fb3c76fafd003320940b8fe16b039ddae
diff --git a/apps/influxdbmetrics/src/main/java/org/onosproject/influxdbmetrics/InfluxMetric.java b/apps/influxdbmetrics/src/main/java/org/onosproject/influxdbmetrics/InfluxMetric.java
new file mode 100644
index 0000000..1f77b4b
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+++ b/apps/influxdbmetrics/src/main/java/org/onosproject/influxdbmetrics/InfluxMetric.java
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+/*
+ * Copyright 2016 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.influxdbmetrics;
+
+import org.joda.time.DateTime;
+
+/**
+ * Metric that represents all values queried from influx database.
+ */
+public interface InfluxMetric {
+
+ /**
+ * Returns one minute rate of the given metric.
+ *
+ * @return one minute rate of the given metric
+ */
+ double oneMinRate();
+
+
+ /**
+ * Returns collected timestamp of the given metric.
+ *
+ * @return collected timestamp of the given metric
+ */
+ DateTime time();
+
+ /**
+ * A builder of InfluxMetric.
+ */
+ interface Builder {
+
+ /**
+ * Sets one minute rate.
+ *
+ * @param rate one minute rate
+ * @return builder object
+ */
+ Builder oneMinRate(double rate);
+
+ /**
+ * Sets collected timestamp.
+ *
+ * @param time timestamp
+ * @return builder object
+ */
+ Builder time(String time);
+
+ /**
+ * Builds a influx metric instance.
+ *
+ * @return influx metric instance
+ */
+ InfluxMetric build();
+ }
+}