[ONOS-4176] Implement influxdb retriever for querying metrics
Change-Id: Ia1f3fc4fb3c76fafd003320940b8fe16b039ddae
diff --git a/apps/influxdbmetrics/src/main/java/org/onosproject/influxdbmetrics/DefaultInfluxMetric.java b/apps/influxdbmetrics/src/main/java/org/onosproject/influxdbmetrics/DefaultInfluxMetric.java
new file mode 100644
index 0000000..509332b
--- /dev/null
+++ b/apps/influxdbmetrics/src/main/java/org/onosproject/influxdbmetrics/DefaultInfluxMetric.java
@@ -0,0 +1,84 @@
+/*
+ * 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.apache.commons.lang.StringUtils;
+import org.joda.time.DateTime;
+import org.joda.time.format.DateTimeFormat;
+import org.joda.time.format.DateTimeFormatter;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Default implementation of influx metric.
+ */
+public final class DefaultInfluxMetric implements InfluxMetric {
+
+ private double oneMinRate;
+ private DateTime time;
+
+ private DefaultInfluxMetric(double oneMinRate, DateTime time) {
+ this.oneMinRate = oneMinRate;
+ this.time = time;
+ }
+
+ @Override
+ public double oneMinRate() {
+ return oneMinRate;
+ }
+
+ @Override
+ public DateTime time() {
+ return time;
+ }
+
+ public static final class Builder implements InfluxMetric.Builder {
+
+ private double oneMinRate;
+ private String timestamp;
+ private static final String TIMESTAMP_MSG = "Must specify a timestamp.";
+ private static final String ONE_MIN_RATE_MSG = "Must specify one minute rate.";
+
+ public Builder() {
+ }
+
+ @Override
+ public InfluxMetric.Builder oneMinRate(double rate) {
+ this.oneMinRate = rate;
+ return this;
+ }
+
+ @Override
+ public InfluxMetric.Builder time(String time) {
+ this.timestamp = time;
+ return this;
+ }
+
+ @Override
+ public InfluxMetric build() {
+ checkNotNull(oneMinRate, ONE_MIN_RATE_MSG);
+ checkNotNull(timestamp, TIMESTAMP_MSG);
+
+ return new DefaultInfluxMetric(oneMinRate, parseTime(timestamp));
+ }
+
+ private DateTime parseTime(String time) {
+ String reformatTime = StringUtils.replace(StringUtils.replace(time, "T", " "), "Z", "");
+ DateTimeFormatter formatter = DateTimeFormat.forPattern("yyyy-MM-dd HH:mm:ss");
+ return formatter.parseDateTime(reformatTime);
+ }
+ }
+}